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Professional</span> </div> </a> <ul id="toc-3DNow!_Professional-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-3DNow!_and_the_Geode_GX/LX" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#3DNow!_and_the_Geode_GX/LX"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>3DNow! and the Geode GX/LX</span> </div> </a> <ul id="toc-3DNow!_and_the_Geode_GX/LX-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Advantages_and_disadvantages" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Advantages_and_disadvantages"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Advantages and disadvantages</span> </div> </a> <ul id="toc-Advantages_and_disadvantages-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Processors_supporting_3DNow!" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Processors_supporting_3DNow!"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Processors supporting 3DNow!</span> </div> </a> <ul id="toc-Processors_supporting_3DNow!-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Further_reading" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Further_reading"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Further reading</span> </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">3DNow!</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 23 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-23" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">23 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/3DNow!" title="3DNow! – Bulgarian" lang="bg" hreflang="bg" data-title="3DNow!" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/3DNow!" title="3DNow! – Catalan" lang="ca" hreflang="ca" data-title="3DNow!" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/3DNow!" title="3DNow! – Czech" lang="cs" hreflang="cs" data-title="3DNow!" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/3DNow" title="3DNow – German" lang="de" hreflang="de" data-title="3DNow" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/3DNow!" title="3DNow! – Spanish" lang="es" hreflang="es" data-title="3DNow!" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/3DNow!" title="3DNow! – Esperanto" lang="eo" hreflang="eo" data-title="3DNow!" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/3DNow!" title="3DNow! – French" lang="fr" hreflang="fr" data-title="3DNow!" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/3D%EB%82%98%EC%9A%B0!" title="3D나우! – Korean" lang="ko" hreflang="ko" data-title="3D나우!" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/3DNow!" title="3DNow! – Indonesian" lang="id" hreflang="id" data-title="3DNow!" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/3DNow!" title="3DNow! – Italian" lang="it" hreflang="it" data-title="3DNow!" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/3DNow!" title="3DNow! – Hebrew" lang="he" hreflang="he" data-title="3DNow!" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/3D_NOW!" title="3D NOW! – Dutch" lang="nl" hreflang="nl" data-title="3D NOW!" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/3DNow!" title="3DNow! – Japanese" lang="ja" hreflang="ja" data-title="3DNow!" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/3DNow!" title="3DNow! – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="3DNow!" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/3DNow!" title="3DNow! – Uzbek" lang="uz" hreflang="uz" data-title="3DNow!" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/3DNow!" title="3DNow! – Polish" lang="pl" hreflang="pl" data-title="3DNow!" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/3DNow!" title="3DNow! – Portuguese" lang="pt" hreflang="pt" data-title="3DNow!" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/3DNow!" title="3DNow! – Russian" lang="ru" hreflang="ru" data-title="3DNow!" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/3DNow!" title="3DNow! – Slovak" lang="sk" hreflang="sk" data-title="3DNow!" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/3DNow!" title="3DNow! – Ukrainian" lang="uk" hreflang="uk" data-title="3DNow!" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/3DNow!" title="3DNow! – Vietnamese" lang="vi" hreflang="vi" data-title="3DNow!" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/3DNow!" title="3DNow! – Cantonese" lang="yue" hreflang="yue" data-title="3DNow!" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/3DNow!" title="3DNow! – Chinese" lang="zh" hreflang="zh" data-title="3DNow!" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q229427#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit 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</div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Extension to the x86 instruction set by AMD</div><style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title">3DNow!</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:3dnow-logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/3dnow-logo.svg/220px-3dnow-logo.svg.png" decoding="async" width="220" height="41" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/3dnow-logo.svg/330px-3dnow-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b8/3dnow-logo.svg/440px-3dnow-logo.svg.png 2x" data-file-width="166" data-file-height="31" /></a></span></td></tr><tr><th scope="row" class="infobox-label">Design firm</th><td class="infobox-data"><a href="/wiki/Advanced_Micro_Devices" class="mw-redirect" title="Advanced Micro Devices">Advanced Micro Devices</a></td></tr><tr><th scope="row" class="infobox-label">Introduced</th><td class="infobox-data">1998</td></tr><tr><th scope="row" class="infobox-label">Type</th><td class="infobox-data"><a href="/wiki/Instruction_set_architecture" title="Instruction set architecture">instruction set architecture</a></td></tr></tbody></table> <p><b>3DNow!</b> is a deprecated extension to the <a href="/wiki/X86" title="X86">x86</a> <a href="/wiki/Instruction_set" class="mw-redirect" title="Instruction set">instruction set</a> developed by <a href="/wiki/Advanced_Micro_Devices" class="mw-redirect" title="Advanced Micro Devices">Advanced Micro Devices</a> (AMD). It adds <a href="/wiki/SIMD" class="mw-redirect" title="SIMD">single instruction multiple data</a> (SIMD) instructions to the base x86 instruction set, enabling it to perform <a href="/wiki/Vector_processing" class="mw-redirect" title="Vector processing">vector processing</a> of <a href="/wiki/Floating_point_number" class="mw-redirect" title="Floating point number">floating-point</a> vector operations using <a href="/wiki/Vector_registers" class="mw-redirect" title="Vector registers">vector registers</a>. This improvement enhances the performance of many graphics-intensive applications. The first microprocessor to implement 3DNow! was the <a href="/wiki/AMD_K6-2" title="AMD K6-2">AMD K6-2</a>, introduced in 1998. In appropriate applications, this enhancement raised the speed by about 2–4 times.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>However, the instruction set never gained much popularity, and AMD announced in August 2010 that support for 3DNow! would be dropped in future AMD processors, except for two instructions, <code>PREFETCH</code> and <code>PREFETCHW</code>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> These two instructions are also available in Bay-Trail Intel processors.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=3DNow!&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>3DNow! was developed at a time when <a href="/wiki/3D_graphics" class="mw-redirect" title="3D graphics">3D graphics</a> were becoming mainstream in PC multimedia and games. Realtime display of 3D graphics depended heavily on the host CPU's floating-point unit (FPU) to perform <a href="/wiki/Floating-point" class="mw-redirect" title="Floating-point">floating-point</a> calculations, a task in which AMD's <a href="/wiki/AMD_K6" title="AMD K6">K6 processor</a> was easily outperformed by its competitor, the Intel Pentium II. </p><p>As an enhancement to the <a href="/wiki/MMX_(instruction_set)" title="MMX (instruction set)">MMX</a> instruction set, the 3DNow! instruction-set augmented the MMX SIMD registers to support common arithmetic operations (add/subtract/multiply) on single-precision (32-bit) floating-point data. Software written to use AMD's 3DNow! instead of the slower <a href="/wiki/X87" title="X87">x87 FPU</a> could execute up to four times faster, depending on the instruction mix. </p> <div class="mw-heading mw-heading2"><h2 id="Versions">Versions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=3DNow!&action=edit&section=2" title="Edit section: Versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="3DNow!"><span id="3DNow.21"></span>3DNow!</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=3DNow!&action=edit&section=3" title="Edit section: 3DNow!"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The first implementation of 3DNow! technology contains 21 new instructions that support <a href="/wiki/SIMD" class="mw-redirect" title="SIMD">SIMD</a> floating-point operations. The 3DNow! data format is packed, <a href="/wiki/Single-precision" class="mw-redirect" title="Single-precision">single-precision</a>, floating-point. The 3DNow! instruction set also includes operations for SIMD integer operations, data prefetch, and faster MMX-to-floating-point switching. Later, <a href="/wiki/Intel" title="Intel">Intel</a> would add similar (but incompatible) instructions to the <a href="/wiki/Pentium_III" title="Pentium III">Pentium III</a>, known as <a href="/wiki/Streaming_SIMD_Extensions" title="Streaming SIMD Extensions">SSE</a> (Streaming SIMD Extensions). </p><p>3DNow! floating-point instructions are the following: </p> <style data-mw-deduplicate="TemplateStyles:r1184024115">.mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column}</style><div class="div-col" style="column-width: 30em;"> <ul><li><code>PI2FD</code> –  Packed 32-bit integer to floating-point conversion</li> <li><code>PF2ID</code> –  Packed floating-point to 32-bit integer conversion</li> <li><code>PFCMPGE</code> –  Packed floating-point comparison, greater or equal</li> <li><code>PFCMPGT</code> –  Packed floating-point comparison, greater</li> <li><code>PFCMPEQ</code> –  Packed floating-point comparison, equal</li> <li><code>PFACC</code> –  Packed floating-point accumulate</li> <li><code>PFADD</code> –  Packed floating-point addition</li> <li><code>PFSUB</code> –  Packed floating-point subtraction</li> <li><code>PFSUBR</code> –  Packed floating-point reverse subtraction</li> <li><code>PFMIN</code> –  Packed floating-point minimum</li> <li><code>PFMAX</code> –  Packed floating-point maximum</li> <li><code>PFMUL</code> –  Packed floating-point multiplication</li> <li><code>PFRCP</code> –  Packed floating-point reciprocal approximation</li> <li><code>PFRSQRT</code> –  Packed floating-point reciprocal square root approximation</li> <li><code>PFRCPIT1</code> –  Packed floating-point reciprocal, first iteration step</li> <li><code>PFRSQIT1</code> –  Packed floating-point reciprocal square root, first iteration step</li> <li><code>PFRCPIT2</code> –  Packed floating-point reciprocal/reciprocal square root, second iteration step</li></ul> </div> <p>3DNow! integer instructions are the following: </p> <ul><li><code>PAVGUSB</code> –  Packed 8-bit unsigned integer averaging</li> <li><code>PMULHRW</code> –  Packed 16-bit integer multiply with rounding</li></ul> <p>3DNow! performance-enhancement instructions are the following: </p> <ul><li><code>FEMMS</code> –  Faster entry/exit of the MMX or floating-point state</li> <li><code>PREFETCH/PREFETCHW</code> –  Prefetch at least a 32-byte line into L1 data cache (this is the only non-deprecated instruction)</li></ul> <div class="mw-heading mw-heading3"><h3 id="3DNow!_extensions"><span id="3DNow.21_extensions"></span>3DNow! extensions</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=3DNow!&action=edit&section=4" title="Edit section: 3DNow! extensions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>There is little or no evidence that the second version of 3DNow! was ever officially given its own trade name. This has led to some confusion in documentation that refers to this new instruction set. The most common terms are <i>Extended 3DNow!</i>, <i>Enhanced 3DNow!</i> and <i>3DNow!+</i>. The phrase "Enhanced 3DNow!" can be found in a few locations on the AMD website but the capitalization of "Enhanced" appears to be either purely grammatical or used for emphasis on processors that may or may not have these extensions (the most notable of which references a benchmark page for the K6-III-P that does not have these extensions).<sup id="cite_ref-extman_4-0" class="reference"><a href="#cite_note-extman-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>This extension to the 3DNow! instruction set was introduced with the first-generation <a href="/wiki/Athlon" title="Athlon">Athlon</a> processors. The Athlon added five new 3DNow! instructions and 19 new MMX instructions. Later, the <a href="/wiki/AMD_K6-2" title="AMD K6-2">K6-2+</a> and <a href="/wiki/AMD_K6-III" title="AMD K6-III">K6-III+</a> (both targeted at the mobile market) included the five new 3DNow! instructions, leaving out the 19 new MMX instructions. The new 3DNow! instructions were added to boost <a href="/wiki/Digital_signal_processing" title="Digital signal processing">DSP</a>. The new MMX instructions were added to boost <a href="/wiki/Streaming_media" title="Streaming media">streaming media</a>. </p><p>The 19 new MMX instructions are a subset of Intel's SSE instruction set. In AMD technical manuals, AMD segregates these instructions apart from the 3DNow! extensions.<sup id="cite_ref-extman_4-1" class="reference"><a href="#cite_note-extman-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> In AMD customer product literature, however, this segregation is less clear where the benefits of all 24 new instructions are credited to enhanced 3DNow! technology.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> This has led programmers to come up with their own name for the 19 new MMX instructions. The most common appears to be <i>Integer SSE</i> (<i>ISSE</i>).<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> <i>SSEMMX</i> and <i>MMX2</i> are also found in video filter documentation from the public domain sector. ISSE could also refer to Internet SSE, an early name for SSE. </p><p>3DNow! extension DSP instructions are the following: </p> <ul><li><code>PF2IW</code> –  Packed floating-point to integer word conversion with sign extend</li> <li><code>PI2FW</code> –  Packed integer word to floating-point conversion</li> <li><code>PFNACC</code> –  Packed floating-point negative accumulate</li> <li><code>PFPNACC</code> –  Packed floating-point mixed positive-negative accumulate</li> <li><code>PSWAPD</code> –  Packed swap doubleword</li></ul> <p>MMX extension instructions (Integer SSE) are the following: </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1184024115" /><div class="div-col" style="column-width: 30em;"> <ul><li><code>MASKMOVQ</code> –  Streaming (cache bypass) store using byte mask</li> <li><code>MOVNTQ</code> –  Streaming (cache bypass) store</li> <li><code>PAVGB</code> –  Packed average of unsigned byte</li> <li><code>PAVGW</code> –  Packed average of unsigned word</li> <li><code>PMAXSW</code> –  Packed maximum signed word</li> <li><code>PMAXUB</code> –  Packed maximum unsigned byte</li> <li><code>PMINSW</code> –  Packed minimum signed word</li> <li><code>PMINUB</code> –  Packed minimum unsigned byte</li> <li><code>PMULHUW</code> –  Packed multiply high unsigned word</li> <li><code>PSADBW</code> –  Packed sum of absolute byte differences</li> <li><code>PSHUFW</code> –  Packed shuffle word</li> <li><code>PEXTRW</code> –  Extract word into integer register</li> <li><code>PINSRW</code> –  Insert word from integer register</li> <li><code>PMOVMSKB</code> –  Move byte mask to integer register</li> <li><code>PREFETCHNTA</code> –  Prefetch using the NTA reference</li> <li><code>PREFETCHT0</code> –  Prefetch using the T0 reference</li> <li><code>PREFETCHT1</code> –  Prefetch using the T1 reference</li> <li><code>PREFETCHT2</code> –  Prefetch using the T2 reference</li> <li><code>SFENCE</code> –  Store fence</li></ul> </div> <div class="mw-heading mw-heading3"><h3 id="3DNow!_Professional"><span id="3DNow.21_Professional"></span>3DNow! Professional</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=3DNow!&action=edit&section=5" title="Edit section: 3DNow! Professional"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>3DNow! Professional</i> is a trade name used to indicate processors that combine 3DNow! technology with a complete SSE instructions set (such as SSE, SSE2 or SSE3).<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> The <a href="/wiki/Athlon_XP" class="mw-redirect" title="Athlon XP">Athlon XP</a> was the first processor to carry the 3DNow! Professional trade name, and was the first product in the Athlon family to support the complete SSE instruction set (for the total of: 21 original 3DNow! instructions; five 3DNow! extension DSP instructions; 19 MMX extension instructions; and 52 additional SSE instructions for complete SSE compatibility).<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="3DNow!_and_the_Geode_GX/LX"><span id="3DNow.21_and_the_Geode_GX.2FLX"></span>3DNow! and the Geode GX/LX</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=3DNow!&action=edit&section=6" title="Edit section: 3DNow! and the Geode GX/LX"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Geode_(processor)" title="Geode (processor)">Geode GX and Geode LX</a> added two new 3DNow! instructions which is absent in all other processors. </p><p>3DNow! "professional" instructions unique to the Geode GX/LX are the following: </p> <ul><li><code>PFRSQRTV</code> –  Reciprocal square root approximation for a pair of 32-bit floats</li> <li><code>PFRCPV</code> –  Reciprocal approximation for a pair of 32-bit floats</li></ul> <div class="mw-heading mw-heading2"><h2 id="Advantages_and_disadvantages">Advantages and disadvantages</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=3DNow!&action=edit&section=7" title="Edit section: Advantages and disadvantages"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>One advantage of 3DNow! is that it is possible to add or multiply the two numbers that are stored in the same <a href="/wiki/Processor_register" title="Processor register">register</a>. With SSE, each number can only be combined with a number in the same position in another register. This capability, known as <i>horizontal</i> in Intel terminology, was the major addition to the <a href="/wiki/SSE3" title="SSE3">SSE3</a> instruction set. </p><p>A disadvantage with 3DNow! is that 3DNow! instructions and MMX instructions share the same register-file, whereas SSE adds 8 new independent registers (<code>XMM0</code>–<code>XMM7</code>). </p><p>Because MMX/3DNow! registers are shared by the standard <a href="/wiki/X87" title="X87">x87</a> FPU, 3DNow! instructions and x87 instructions cannot be executed simultaneously. However, because it is aliased to the x87 FPU, the 3DNow! and MMX register states can be saved and restored by the traditional x87 <code>F(N)SAVE</code> and <code>F(N)RSTOR</code> instructions. This arrangement allowed <a href="/wiki/Operating_system" title="Operating system">operating systems</a> to support 3DNow! with no explicit modifications, whereas SSE registers required explicit operating system support to properly save and restore the new XMM registers (via the added <code>FXSAVE</code> and <code>FXRSTOR</code> instructions.) </p><p>The FX* instructions from SSE provide a functional superset of the older x87 save and restore instructions. They can save not only SSE register states but also the x87 register states (hence are applicable also for MMX and 3DNow! operations where supported). </p><p>On AMD <a href="/wiki/Athlon_XP" class="mw-redirect" title="Athlon XP">Athlon XP</a> and K8-based cores (i.e. <a href="/wiki/Athlon_64" title="Athlon 64">Athlon 64</a>), assembly programmers have noted that it is possible to combine 3DNow! and SSE instructions to reduce <a href="/wiki/Register_pressure" class="mw-redirect" title="Register pressure">register pressure</a>, but in practice it is difficult to improve performance due to the instructions executing on shared functional units.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Processors_supporting_3DNow!"><span id="Processors_supporting_3DNow.21"></span>Processors supporting 3DNow!</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=3DNow!&action=edit&section=8" title="Edit section: Processors supporting 3DNow!"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>All <a href="/wiki/AMD" title="AMD">AMD</a> processors after <a href="/wiki/K6-2" class="mw-redirect" title="K6-2">K6-2</a> (based on K6), Athlon, Athlon 64 and Phenom architecture families. <ul><li>Not supported in Bulldozer, Bobcat and Zen architecture processors and their derivates.</li> <li>The last <a href="/wiki/AMD" title="AMD">AMD</a> <a href="/wiki/AMD_APU" title="AMD APU">APU</a> processor supporting 3DNow! is the A8-3870K, which is based on the <a href="/wiki/AMD_APU#K10_architecture_(2011):_Llano" title="AMD APU">Llano</a> architecture. It is also the only APU with 3DNow! instructions, as the Bobcat and up exclude support for it.</li></ul></li> <li>National Semiconductor <a href="/wiki/Geode_(processor)#Geode_GX2" title="Geode (processor)">Geode GX2</a>, later <a href="/wiki/Geode_(processor)#AMD_Geode" title="Geode (processor)">AMD Geode</a>.</li> <li><a href="/wiki/VIA_C3" title="VIA C3">VIA C3</a> (also known as <a href="/wiki/Cyrix_III" title="Cyrix III">Cyrix III</a>) "Samuel", "Samuel 2", "Ezra", and "Eden ESP" cores.</li> <li><a href="/wiki/WinChip" title="WinChip">IDT WinChip</a> 2, 3</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=3DNow!&action=edit&section=9" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.linuxjournal.com/article/3685">"Effectively Utilizing 3DNow in Linux"</a>. Linux Journal. December 1, 1999. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110607184325/http://www.linuxjournal.com/article/3685">Archived</a> from the original on 2011-06-07<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-10-03</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Effectively+Utilizing+3DNow+in+Linux&rft.pub=Linux+Journal&rft.date=1999-12-01&rft_id=http%3A%2F%2Fwww.linuxjournal.com%2Farticle%2F3685&rfr_id=info%3Asid%2Fen.wikipedia.org%3A3DNow%21" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20101024174505/http://developer.amd.com/2010/08/18/3dnow-deprecated/">"3DNow Instructions are Being Deprecated | AMD Developer Central"</a>. Blogs.amd.com. 2010-08-18. Archived from <a rel="nofollow" class="external text" href="http://developer.amd.com/2010/08/18/3dnow-deprecated/">the original</a> on 2010-10-24<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-10-03</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=3DNow+Instructions+are+Being+Deprecated+%26%23124%3B+AMD+Developer+Central&rft.pub=Blogs.amd.com&rft.date=2010-08-18&rft_id=http%3A%2F%2Fdeveloper.amd.com%2F2010%2F08%2F18%2F3dnow-deprecated%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3A3DNow%21" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20170211075815/http://wiki.minnowboard.org/IntelE38xx">"IntelE38xx - MinnowBoard Wiki"</a>. Archived from <a rel="nofollow" class="external text" href="http://wiki.minnowboard.org/IntelE38xx">the original</a> on 11 February 2017<span class="reference-accessdate">. Retrieved <span class="nowrap">13 February</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=IntelE38xx+-+MinnowBoard+Wiki&rft_id=http%3A%2F%2Fwiki.minnowboard.org%2FIntelE38xx&rfr_id=info%3Asid%2Fen.wikipedia.org%3A3DNow%21" class="Z3988"></span></span> </li> <li id="cite_note-extman-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-extman_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-extman_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/22466.pdf">"AMD Extensions to the 3DNow and MMX Instruction Sets Manual"</a> <span class="cs1-format">(PDF)</span>. <a href="/wiki/Advanced_Micro_Devices,_Inc." class="mw-redirect" title="Advanced Micro Devices, Inc.">Advanced Micro Devices, Inc.</a> March 2000. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080517014932/http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/22466.pdf">Archived</a> <span class="cs1-format">(PDF)</span> from the original on 2008-05-17<span class="reference-accessdate">. Retrieved <span class="nowrap">2008-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=AMD+Extensions+to+the+3DNow+and+MMX+Instruction+Sets+Manual&rft.pub=Advanced+Micro+Devices%2C+Inc.&rft.date=2000-03&rft_id=https%3A%2F%2Fwww.amd.com%2Fus-en%2Fassets%2Fcontent_type%2Fwhite_papers_and_tech_docs%2F22466.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3A3DNow%21" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_1260_1300%5E960,00.html">"Mobile AMD-K6-III-P Processor-Based Notebook: Ziff-Davis CPUmark 99"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080724223037/http://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_1260_1300%5E960,00.html">Archived</a> from the original on 2008-07-24<span class="reference-accessdate">. Retrieved <span class="nowrap">2008-06-07</span></span>. <q>Incorrect title on page: Mobile AMD-K6-III+ and Mobile AMD-K6-2+ Processors with Enchanced  [<i><a href="/wiki/Sic" title="Sic">sic</a></i>] 3DNow! Technology</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Mobile+AMD-K6-III-P+Processor-Based+Notebook%3A+Ziff-Davis+CPUmark+99&rft_id=https%3A%2F%2Fwww.amd.com%2Fus-en%2FProcessors%2FProductInformation%2F0%2C%2C30_118_1260_1300%255E960%2C00.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A3DNow%21" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_1260_759%5E1151,00.html">"AMD Athlon Processor Product Brief"</a>. <a href="/wiki/Advanced_Micro_Devices,_Inc." class="mw-redirect" title="Advanced Micro Devices, Inc.">Advanced Micro Devices, Inc.</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080225111905/http://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_1260_759%5E1151,00.html">Archived</a> from the original on 2008-02-25<span class="reference-accessdate">. Retrieved <span class="nowrap">2008-06-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=AMD+Athlon+Processor+Product+Brief&rft.pub=Advanced+Micro+Devices%2C+Inc.&rft_id=https%3A%2F%2Fwww.amd.com%2Fus-en%2FProcessors%2FProductInformation%2F0%2C%2C30_118_1260_759%255E1151%2C00.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A3DNow%21" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://avisynth.nl/index.php/ISSE">"ISSE"</a>. <i><a href="/wiki/AviSynth" title="AviSynth">AviSynth</a></i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170702204448/http://avisynth.nl/index.php/ISSE">Archived</a> from the original on 2017-07-02<span class="reference-accessdate">. Retrieved <span class="nowrap">2017-07-19</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=AviSynth&rft.atitle=ISSE&rft_id=http%3A%2F%2Favisynth.nl%2Findex.php%2FISSE&rfr_id=info%3Asid%2Fen.wikipedia.org%3A3DNow%21" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090121005440/http://www.amd.com/us-en/Processors/SellAMDProducts/0%2C%2C30_177_4458_4513%5E1413%5E2137%2C00.html">"Explaining the new 3DNow! Professional Technology"</a>. <a href="/wiki/Advanced_Micro_Devices,_Inc." class="mw-redirect" title="Advanced Micro Devices, Inc.">Advanced Micro Devices, Inc.</a> Archived from <a rel="nofollow" class="external text" href="https://www.amd.com/us-en/Processors/SellAMDProducts/0,,30_177_4458_4513%5E1413%5E2137,00.html">the original</a> on 2009-01-21<span class="reference-accessdate">. Retrieved <span class="nowrap">2008-06-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Explaining+the+new+3DNow%21+Professional+Technology&rft.pub=Advanced+Micro+Devices%2C+Inc.&rft_id=https%3A%2F%2Fwww.amd.com%2Fus-en%2FProcessors%2FSellAMDProducts%2F0%2C%2C30_177_4458_4513%255E1413%255E2137%2C00.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A3DNow%21" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amd.com/us-en/Processors/SellAMDProducts/0,,30_177_4458_3505%5E3785%5E3738,00.html">"AMD Athlon XP Architectural Features"</a>. <a href="/wiki/Advanced_Micro_Devices,_Inc." class="mw-redirect" title="Advanced Micro Devices, Inc.">Advanced Micro Devices, Inc.</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080225112033/http://www.amd.com/us-en/Processors/SellAMDProducts/0,,30_177_4458_3505%5E3785%5E3738,00.html">Archived</a> from the original on 2008-02-25<span class="reference-accessdate">. Retrieved <span class="nowrap">2008-06-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=AMD+Athlon+XP+Architectural+Features&rft.pub=Advanced+Micro+Devices%2C+Inc.&rft_id=https%3A%2F%2Fwww.amd.com%2Fus-en%2FProcessors%2FSellAMDProducts%2F0%2C%2C30_177_4458_3505%255E3785%255E3738%2C00.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A3DNow%21" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFLarry_Lewis2003" class="citation newsgroup cs1">Larry Lewis (9 July 2003). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20121003002542/https://groups.google.com/group/comp.sys.ibm.pc.hardware.chips/browse_thread/thread/9da2d940c5b69745">"3DNow+ vs SSE on Athlon XP"</a>. <a href="/wiki/Usenet_newsgroup" title="Usenet newsgroup">Newsgroup</a>: <a rel="nofollow" class="external text" href="news:comp.sys.ibm.pc.hardware.chips">comp.sys.ibm.pc.hardware.chips</a>. <a href="/wiki/Usenet_(identifier)" class="mw-redirect" title="Usenet (identifier)">Usenet:</a> <a rel="nofollow" class="external text" href="news:ad82cd69.0307090931.25391323@posting.google.com">ad82cd69.0307090931.25391323@posting.google.com</a>. Archived from <span class="id-lock-subscription" title="Paid subscription required"><a rel="nofollow" class="external text" href="https://groups.google.com/group/comp.sys.ibm.pc.hardware.chips/browse_thread/thread/9da2d940c5b69745">the original</a></span> on 2012-10-03<span class="reference-accessdate">. Retrieved <span class="nowrap">4 January</span> 2023</span> – via Google Groups.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=3DNow%2B+vs+SSE+on+Athlon+XP&rft.pub=comp.sys.ibm.pc.hardware.chips&rft.date=2003-07-09&rft_id=news%3Aad82cd69.0307090931.25391323%40posting.google.com%23id-name%3DUsenet%3A&rft.au=Larry+Lewis&rft_id=https%3A%2F%2Fgroups.google.com%2Fgroup%2Fcomp.sys.ibm.pc.hardware.chips%2Fbrowse_thread%2Fthread%2F9da2d940c5b69745&rfr_id=info%3Asid%2Fen.wikipedia.org%3A3DNow%21" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=3DNow!&action=edit&section=10" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Case, Brian (1 June 1998). "3DNow Boosts Non-Intel 3D Performance". <i><a href="/wiki/Microprocessor_Report" title="Microprocessor Report">Microprocessor Report</a></i>.</li> <li>Oberman, S.; Favor, G.; Weber, F. (March 1999). <a rel="nofollow" class="external text" href="https://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=755466">"AMD 3DNow technology: architecture and implementations"</a>. <i><a href="/wiki/IEEE_Micro" title="IEEE Micro">IEEE Micro</a></i>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=3DNow!&action=edit&section=11" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20010124090100/http://www1.amd.com/products/cpg/3dnow/optimized/">3DNow Technology Partners</a>, archived from the <a rel="nofollow" class="external text" href="http://www1.amd.com/products/cpg/3dnow/optimized/">original</a> (removed from AMD's website in early 2001)</li> <li><a rel="nofollow" class="external text" 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class="mw-redirect" title="Adaptive Scalable Texture Compression">ASTC</a></li> <li><a href="/wiki/AMD_Wraith" title="AMD Wraith">AMD Wraith</a></li> <li><a href="/wiki/Virtex_(FPGA)" title="Virtex (FPGA)">Virtex</a></li> <li><a href="/wiki/AMD_XDNA" title="AMD XDNA">XDNA</a> <ul><li><a href="/wiki/Ryzen_AI" class="mw-redirect" title="Ryzen AI">Ryzen AI</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Instructions</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/X86-64" title="X86-64">X86-64</a></li> <li><a class="mw-selflink selflink">3DNow!</a></li> <li><a href="/wiki/Advanced_Vector_Extensions" title="Advanced Vector Extensions">AVX</a></li> <li><a href="/wiki/XOP_instruction_set" title="XOP instruction set">XOP</a></li> <li><a href="/wiki/CVT16_instruction_set" class="mw-redirect" title="CVT16 instruction set">CVT16/F16C</a></li> <li><a href="/wiki/FMA_instruction_set" title="FMA instruction set">FMA</a> <ul><li><a href="/wiki/FMA_instruction_set#FMA4_instruction_set" title="FMA instruction set">FMA4</a></li> <li><a href="/wiki/FMA_instruction_set#FMA3_instruction_set" title="FMA instruction set">FMA3</a></li></ul></li> <li><a href="/wiki/Bit_Manipulation_Instruction_Sets" class="mw-redirect" title="Bit Manipulation Instruction Sets">BMI</a> <ul><li><a href="/wiki/Bit_Manipulation_Instruction_Sets#ABM" class="mw-redirect" title="Bit Manipulation Instruction Sets">ABM</a></li> <li><a href="/wiki/Bit_Manipulation_Instruction_Sets#BMI1" class="mw-redirect" title="Bit Manipulation Instruction Sets">BMI1</a></li> <li><a href="/wiki/Bit_Manipulation_Instruction_Sets#TBM" class="mw-redirect" title="Bit Manipulation Instruction Sets">TBM</a></li></ul></li> <li><a href="/wiki/SSE5" title="SSE5">SSE5</a></li> <li><a href="/wiki/Advanced_Synchronization_Facility" title="Advanced Synchronization Facility">ASF</a></li> <li><a href="/wiki/AES_instruction_set" title="AES instruction set">AES</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374" /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235" /></div><div role="navigation" class="navbox" aria-labelledby="Instruction_set_extensions480" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374" /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231" /><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Multimedia_extensions" title="Template:Multimedia extensions"><abbr title="View this 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navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DEC_Alpha" title="DEC Alpha">Alpha</a> <ul><li><a href="/wiki/DEC_Alpha#Motion_Video_Instructions_(MVI)" title="DEC Alpha">MVI</a></li></ul></li> <li><a href="/wiki/ARM_architecture_family" title="ARM architecture family">ARM</a> <ul><li><a href="/wiki/ARM_architecture_family#Advanced_SIMD_(Neon)" title="ARM architecture family">NEON</a></li> <li><a href="/wiki/AArch64#Scalable_Vector_Extension_(SVE)" title="AArch64">SVE</a></li></ul></li> <li><a href="/wiki/MIPS_architecture" title="MIPS architecture">MIPS</a> <ul><li><a href="/wiki/MDMX" title="MDMX">MDMX</a></li> <li><a href="/wiki/MIPS-3D" title="MIPS-3D">MIPS-3D</a></li> <li><a href="/wiki/Media_Extension_Unit" class="mw-redirect" title="Media Extension Unit">MXU</a></li> <li><a href="/wiki/MIPS_architecture#MIPS_SIMD_architecture" title="MIPS architecture">MIPS SIMD</a></li></ul></li> <li><a href="/wiki/PA-RISC" title="PA-RISC">PA-RISC</a> <ul><li><a href="/wiki/Multimedia_Acceleration_eXtensions" title="Multimedia Acceleration eXtensions">MAX</a></li></ul></li> <li><a href="/wiki/Power_ISA" title="Power ISA">Power ISA</a> <ul><li><a href="/wiki/AltiVec" title="AltiVec">VMX</a></li></ul></li> <li><a href="/wiki/SPARC" title="SPARC">SPARC</a> <ul><li><a href="/wiki/Visual_Instruction_Set" title="Visual Instruction Set">VIS</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Single_instruction,_multiple_data" title="Single instruction, multiple data">SIMD</a> (<a href="/wiki/X86" title="X86">x86</a>)</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/MMX_(instruction_set)" title="MMX (instruction set)">MMX</a> (1996)</li> <li><a class="mw-selflink selflink">3DNow!</a> (1998)</li> <li><a href="/wiki/Streaming_SIMD_Extensions" title="Streaming SIMD Extensions">SSE</a> (1999)</li> <li><a href="/wiki/SSE2" title="SSE2">SSE2</a> (2001)</li> <li><a href="/wiki/SSE3" title="SSE3">SSE3</a> (2004)</li> <li><a href="/wiki/SSSE3" title="SSSE3">SSSE3</a> (2006)</li> <li><a href="/wiki/SSE4" title="SSE4">SSE4</a> (2006)</li> <li><a href="/wiki/SSE5" title="SSE5">SSE5</a> <s>(2007)</s></li> <li><a href="/wiki/Advanced_Vector_Extensions" title="Advanced Vector Extensions">AVX</a> (2008)</li> <li><a href="/wiki/F16C" title="F16C">F16C</a> (2009)</li> <li><a href="/wiki/XOP_instruction_set" title="XOP instruction set">XOP</a> (2009)</li> <li><a href="/wiki/FMA_instruction_set" title="FMA instruction set">FMA</a> (FMA4: 2011, FMA3: 2012)</li> <li><a href="/wiki/AVX2" class="mw-redirect" title="AVX2">AVX2</a> (2013)</li> <li><a href="/wiki/AVX-512" title="AVX-512">AVX-512</a> (2015)</li> <li><a href="/wiki/Advanced_Matrix_Extensions" title="Advanced Matrix Extensions">AMX</a> (2022)</li> <li><a href="/wiki/AVX10" class="mw-redirect" title="AVX10">AVX10</a> (2023)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Bit_manipulation" title="Bit manipulation">Bit manipulation</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bit_Manipulation_Instruction_Sets" class="mw-redirect" title="Bit Manipulation Instruction Sets">BMI</a> (ABM: 2007, BMI1: 2012, BMI2: 2013, TBM: 2012)</li> <li><a href="/wiki/Intel_ADX" title="Intel ADX">ADX</a> (2014)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Instruction_set_architecture#Code_density" title="Instruction set architecture">Compressed instructions</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ARM_architecture_family#Thumb" title="ARM architecture family">Thumb</a></li> <li><a href="/wiki/MIPS_architecture" title="MIPS architecture">MIPS16e ASE</a></li> <li><a href="/wiki/RISC-V#Compressed_subset" title="RISC-V">RVC</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Security and <a href="/wiki/Cryptographic_accelerator" title="Cryptographic accelerator">cryptography</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/VIA_PadLock" title="VIA PadLock">PadLock</a> (2003)</li> <li><a href="/wiki/AES_instruction_set" title="AES instruction set">AES-NI</a> (2008); ARMv8 also has AES instructions</li> <li><a href="/wiki/CLMUL_instruction_set" title="CLMUL instruction set">CLMUL</a> (2010)</li> <li><a href="/wiki/RDRAND" title="RDRAND">RDRAND</a> (2012)</li> <li><a href="/wiki/Intel_SHA_extensions" class="mw-redirect" title="Intel SHA extensions">SHA</a> (2013)</li> <li><a href="/wiki/Intel_MPX" title="Intel MPX">MPX</a> (2015)</li> <li><a href="/wiki/Software_Guard_Extensions" title="Software Guard Extensions">SGX</a> (2015)</li> <li><a href="/wiki/Trust_Domain_Extensions" title="Trust Domain Extensions">TDX</a> (2021)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Transactional_memory" title="Transactional memory">Transactional memory</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Transactional_Synchronization_Extensions" title="Transactional Synchronization Extensions">TSX</a> (2013)</li> <li><a href="/wiki/Advanced_Synchronization_Facility" title="Advanced Synchronization Facility">ASF</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Hardware-assisted_virtualization" class="mw-redirect" title="Hardware-assisted virtualization">Virtualization</a></th><td 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