{"id":1175108,"date":"2026-06-08T20:42:47","date_gmt":"2026-06-09T03:42:47","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/?post_type=msr-project&#038;p=1175108"},"modified":"2026-08-03T14:11:46","modified_gmt":"2026-08-03T21:11:46","slug":"project-sapphire","status":"publish","type":"msr-project","link":"https:\/\/www.microsoft.com\/en-us\/research\/project\/project-sapphire\/","title":{"rendered":"Project Sapphire"},"content":{"rendered":"<section class=\"mb-3 moray-highlight\">\n\t<div class=\"card-img-overlay mx-lg-0\">\n\t\t<div class=\"card-background  has-background- card-background--full-bleed\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1937\" height=\"1159\" src=\"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2025\/08\/Screenshot-2026-05-27-134538.jpg\" class=\"attachment-full size-full\" alt=\"Hardware\" style=\"\" srcset=\"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2025\/08\/Screenshot-2026-05-27-134538.jpg 1937w, https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2025\/08\/Screenshot-2026-05-27-134538-300x180.jpg 300w, https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2025\/08\/Screenshot-2026-05-27-134538-1024x613.jpg 1024w, https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2025\/08\/Screenshot-2026-05-27-134538-768x460.jpg 768w, https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2025\/08\/Screenshot-2026-05-27-134538-1536x919.jpg 1536w, https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2025\/08\/Screenshot-2026-05-27-134538-240x144.jpg 240w\" sizes=\"auto, (max-width: 1937px) 100vw, 1937px\" \/>\t\t<\/div>\n\t\t<!-- Foreground -->\n\t\t<div class=\"card-foreground d-flex mt-md-n5 my-lg-5 px-g px-lg-0\">\n\t\t\t<!-- Container -->\n\t\t\t<div class=\"container d-flex mt-md-n5 my-lg-5 \">\n\t\t\t\t<!-- Card wrapper -->\n\t\t\t\t<div class=\"w-100 w-lg-col-5\">\n\t\t\t\t\t<!-- Card -->\n\t\t\t\t\t<div class=\"card material-md-card py-5 px-md-5\">\n\t\t\t\t\t\t<div class=\"card-body \">\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\n<h1 id=\"project-sapphire\" class=\"wp-block-heading\">Project Sapphire<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Improving the Performance and Security of GPU Systems using Introspection<\/p>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">The goal of Project Sapphire is to improve the performance and security of GPU systems using both software and hardware-based introspection. Introspection refers to using specialized tools and mechanisms designed to expose behavior that is otherwise hidden. These tools can reveal optimization opportunities, performance bottlenecks, and security risks that would be nearly impossible to uncover otherwise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Internal Microsoft page: <a class=\"msr-external-link glyph-append glyph-append-open-in-new-tab glyph-append-xsmall\" rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/aka.ms\/projectsapphire\">aka.ms\/projectsapphire<span class=\"sr-only\"> (opens in new tab)<\/span><\/a><\/p>\n\n\n","protected":false},"excerpt":{"rendered":"<p>Improving the Performance and Security of GPU Systems using Introspection The goal of Project Sapphire is to improve the performance and security of GPU systems using both software and hardware-based introspection. Introspection refers to using specialized tools and mechanisms designed to expose behavior that is otherwise hidden. These tools can reveal optimization opportunities, performance bottlenecks, [&hellip;]<\/p>\n","protected":false},"featured_media":1173660,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","footnotes":""},"research-area":[13547],"msr-locale":[268875],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-1175108","msr-project","type-msr-project","status-publish","has-post-thumbnail","hentry","msr-research-area-systems-and-networking","msr-locale-en_us","msr-archive-status-active"],"msr_project_start":"","related-publications":[1175371,1176563],"related-downloads":[],"related-videos":[],"related-groups":[1148488],"related-events":[],"related-opportunities":[],"related-posts":[],"related-articles":[],"tab-content":[],"related-researchers":[{"type":"user_nicename","display_name":"Stefan Saroiu","user_id":33716,"people_section":"Related people","alias":"ssaroiu"},{"type":"user_nicename","display_name":"Alec Wolman","user_id":30925,"people_section":"Related people","alias":"alecw"},{"type":"user_nicename","display_name":"Liangcheng Yu","user_id":43398,"people_section":"Related people","alias":"liangchengyu"},{"type":"guest","display_name":"Euijun Chung","user_id":1180749,"people_section":"Summer Interns","alias":""},{"type":"guest","display_name":"Junpeng Wan","user_id":1180751,"people_section":"Summer Interns","alias":""},{"type":"guest","display_name":"Kevin Xue","user_id":1180752,"people_section":"Summer Interns","alias":""},{"type":"guest","display_name":"Daniel Trujillo","user_id":1180754,"people_section":"Alumni","alias":""}],"msr_research_lab":[199565],"msr_impact_theme":[],"_links":{"self":[{"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/msr-project\/1175108","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/msr-project"}],"about":[{"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/types\/msr-project"}],"version-history":[{"count":4,"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/msr-project\/1175108\/revisions"}],"predecessor-version":[{"id":1180755,"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/msr-project\/1175108\/revisions\/1180755"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/media\/1173660"}],"wp:attachment":[{"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/media?parent=1175108"}],"wp:term":[{"taxonomy":"msr-research-area","embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/research-area?post=1175108"},{"taxonomy":"msr-locale","embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/msr-locale?post=1175108"},{"taxonomy":"msr-impact-theme","embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/msr-impact-theme?post=1175108"},{"taxonomy":"msr-pillar","embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/msr-pillar?post=1175108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}