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Qemuã®ã—ãã¿ (ã®ä¸€éƒ¨) - VA Linux エンジニアブãƒã‚°
(2025å¹´12月追記: Qemuã®Gitリãƒã‚¸ãƒˆãƒªãŒGitLab.comã«ãŠå¼•è¶Šã—ã—ã¦ãƒªãƒ³ã‚¯ãŒå…¨éƒ¨åˆ‡ã‚Œã¦ã—ã¾ã£ãŸã®ã§ã€ä¿®æ£ã—ã¾ã—ãŸ) 1. 細々ã¨ã—ãŸäºˆå‚™çŸ¥è˜ 1.1 Qemuã®ãƒ‡ãƒã‚¤ã‚¹ã‚¨ãƒŸãƒ¥ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ 1.2 Qemuã®CPUエミュレーション 1.3 Qemuã®ã‚¹ãƒ¬ãƒƒãƒ‰ 2. è¿½åŠ ã®I/Oスレッドã¨AioContext 2.1 è¿½åŠ ã®I/Oスレッド 2.2 AioContext 2.3 Big Qemu Lock 3. AioContextã®å„ç¨®ã‚¤ãƒ™ãƒ³ãƒˆå‡¦ç† 3.1 AioHandler 3.2 event_notifier 3.3 タイマーã€Bottom half 3.5 スレッドプール 執ç†è€… : 箕浦 真 ã“ã†ã„ㆠ仕事をã—ã¦ã„ã‚‹ã¨ã€ã¨ãã©ãQemuã®ä»•çµ„ã¿ã‚„内部動作をãŠå®¢æ§˜ã«èª¬æ˜Žã™ã‚‹å¿…è¦ãŒã‚ã‚‹ã“ã¨ãŒã‚ã‚‹ãŒã€ãã†ã„ã†æ™‚ã«ã€ŒQemuã®ã€œã«ã¤ã„ã¦ã¯ã“ã“を見ã¦ãã€ã¨è¨€ãˆã‚‹ã‚ˆã†ãªæ–‡æ›¸ãŒã‚
第642回　仮想マシン上ã®microk8sã‹ã‚‰GPUを利用ã™ã‚‹ | gihyo.jp
第641回ã§ã¯ã€ŒLXDã¨microk8sã§ã‚·ãƒ³ã‚°ãƒ«ã‚µãƒ¼ãƒãƒ¼ã‚’Kubernetesクラスターã«ã™ã‚‹ã€ã¨é¡Œã—ã¦ã€ã‚ˆã‚Šé«˜æ©Ÿèƒ½ã«ãªã£ãŸmicrok8sã«ã¤ã„ã¦ç´¹ä»‹ã—ã¾ã—ãŸã€‚microk8sã§æ§‹ç¯‰ã—ãŸKubernetesãŒã‚ã‚Œã°ã€æ°—軽ã«ãŸãã•ã‚“ã®CPUコアを使ã£ã¦ã•ã¾ã–ã¾ãªãƒ¯ãƒ¼ã‚¯ãƒãƒ¼ãƒ‰ã‚’å‹•ã‹ã—ã€éƒ¨å±‹ã‚’æš–ã‚られã¾ã™ã€‚ã§ã‚‚ã€å¾…ã£ã¦ãã ã•ã„。ãã®ã‚µãƒ¼ãƒãƒ¼ã«ã¯ã‚‚ã£ã¨ä¾¿åˆ©ãªç†±æºãŒã‚ã‚Šã¾ã›ã‚“ã‹ï¼Ÿã€€ãã†GPUã§ã™ãã€‚æœ¬æ ¼çš„ã«å¯’ããªã‚‹å‰ã«ã€Kubernetes環境ã‹ã‚‰ã‚‚GPUを使ãˆã‚‹ã‚ˆã†ã«ã—ã¾ã—ょã†ã€‚ ホストå´ã§GPUパススルーã®æº–å‚™ 第641回ã§ã¯LXDã®ä»®æƒ³ãƒžã‚·ãƒ³ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã®ä¸Šã«microk8sをインストールã—ã¾ã—ãŸã€‚ã¤ã¾ã‚Šãƒ›ã‚¹ãƒˆãƒžã‚·ãƒ³ã®GPUを使ã†ã«ã¯ã€LXDã®ä»®æƒ³ãƒžã‚·ãƒ³ã®ä¸ã‹ã‚‰GPUã«ã‚¢ã‚¯ã‚»ã‚¹ã§ããªãã¦ã¯ãªã‚Šã¾ã›ã‚“[1]â 。コンテナã®å ´åˆã€ç¬¬532回ã®ã€ŒLXDã®ã‚³ãƒ³ãƒ†ãƒŠã‹ã‚‰GPUを利用ã™ã‚‹ã€ãªã©ã§æ‰‹é †ã‚’ç´¹
CHIP-8 - Wikipedia
Screenshot of Pong implemented in CHIP-8 Telmac 1800 running CHIP-8 game Space Intercept (Joseph Weisbecker, 1978) CHIP-8 is an interpreted programming language, developed by Joseph Weisbecker on his 1802 microprocessor. It was initially used on the COSMAC VIP and Telmac 1800, which were 8-bit microcomputers made in the mid-1970s. CHIP-8 was designed to be easy to program for and to use less memor
WebAssemblyã‚’ã‚らゆるプラットフォームã§ã‚»ã‚ュアã«å®Ÿè¡Œã§ãるよã†ã«ã™ã‚‹ã€ŒBytecode Allianceã€ç™ºè¶³ã€‚インテルã€Mozillaã€Red Hatãªã©
WebAssemblyã‚’ã‚らゆるプラットフォームã§ã‚»ã‚ュアã«å®Ÿè¡Œã§ãるよã†ã«ã™ã‚‹ã€ŒBytecode Allianceã€ç™ºè¶³ã€‚インテルã€Mozillaã€Red Hatãªã© WebAssemblyã¯ã€Webブラウザ上ã§ãƒã‚¤ãƒ†ã‚£ãƒ–コードã®ã‚ˆã†ã«é«˜é€Ÿã«å®Ÿè¡Œã§ãã‚‹ãƒã‚¤ãƒŠãƒªãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã—ã¦ç–定ã•ã‚ŒãŸæ¨™æº–仕様ã§ã€ã™ã§ã«Chromeã‚„Firefoxã€Edgeã€Safariãªã©ã®ä¸»è¦ãƒ–ラウザã§ã‚µãƒãƒ¼ãƒˆãŒå®Ÿç¾ã•ã‚Œã¦ã„ã¾ã™ã€‚ ã“ã®WebAssemblyã‚’Webブラウザã ã‘ã§ãªãã€ãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—PCやサーãƒã€IoTデãƒã‚¤ã‚¹ãªã©ã‚らゆる環境ã§ã€ã‚»ã‚ュアã«å®Ÿè¡Œã™ã‚‹ã“ã¨ã‚’目指ã—ãŸå›£ä½“「Bytecode Allianceã€ãŒç™ºè¶³ã—ã¾ã—ãŸã€‚ Bytecode Allianceã®å‰µç«‹ãƒ¡ãƒ³ãƒãƒ¼ã¯ã€ã‚¤ãƒ³ãƒ†ãƒ«ã€Mozillaã€Red Hatã€Fastlyã®4社。 å‰è¿°ã—ãŸã‚ˆã†ã«ã€WebAssemblyã¯ã‚‚ã¨ã‚‚ã¨ã€Webブラウザã§å®Ÿè¡Œ
GitHub - facebook/hermes: A JavaScript engine optimized for running React Native.
Hermes is a JavaScript engine optimized for fast start-up of React Native apps. It features ahead-of-time static optimization and compact bytecode. If you're only interested in using pre-built Hermes in a new or existing React Native app, you do not need to follow this guide or have direct access to the Hermes source. Instead, just follow these instructions to enable Hermes. Noted that each Hermes
JITã‚ã‚Œã“ã‚Œ | κeenã®Happy Hacκing Blog
κeenã§ã™ã€‚é…刻ã—ã¦ã—ã¾ã„ã¾ã—ãŸãŒã“ã®ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã¯ 言語実装 Advent Calendar 2018 1日目ã®è¨˜äº‹ã§ã™ã€‚ 最近ç§ã®è¦³æ¸¬ç¯„囲内ã§JITãŒæµè¡Œã£ã¦ã„ã‚‹ã®ã§ã™ãŒä¸€å£ã«JITã¨è¨€ã£ã¦ã‚‚色々ã‚るよãªãƒ¼ã¨æ€ã£ãŸã®ã§ç§ãŒJITã«ã¤ã„ã¦çŸ¥ã£ã¦ã„ã‚‹ã“ã¨ã‚’グダクダ話ã—ã¾ã™ã€‚ ã“ã®ãƒ–ãƒã‚°ã§ã‚‚何度ãŒJITや周辺技術ã«ã¤ã„ã¦å–り上ã’ã¦ã¾ã™ãŒè©±ã®æµã‚ŒãŒã‚¹ãƒ ーズã«ãªã‚‹ã®ã§æœ€åˆã‹ã‚‰èª¬æ˜Žã—ã¦ã„ãã¾ã™ã€‚ 2018-12-03: åŠ ç†ä¿®æ£ã—ã¾ã—ãŸã€‚差分ã¯ã“ã¡ã‚‰ JITã£ã¦ï¼Ÿ Just in Time(コンパイル)ã®ã“ã¨ã§ã€æ—¥æœ¬èªžã«ã™ã‚‹ã¨ã€Œé–“ã«åˆã£ã¦ã‚³ãƒ³ãƒ‘イルã€ã«ãªã‚Šã¾ã™ã‹ã。 インタプリタã®é«˜é€ŸåŒ–テクニックã®1ã¤ã§ã™ã€‚ 最åˆã¯ã‚¤ãƒ³ã‚¿ãƒ—リタã®ã‚ˆã†ã«ã‚³ãƒ¼ãƒ‰ã‚’コンパイルã›ãšãƒ—ãƒã‚»ã‚¹ãŒèµ·å‹•ã—ã¾ã™ãŒã€ãƒ¡ã‚½ãƒƒãƒ‰ã‚’実行ã™ã‚‹ã¾ã§ã«ã¯ãƒ¡ã‚½ãƒƒãƒ‰ã‚’コンパイルã—ã¦ã€ãƒã‚¤ãƒ†ã‚£ãƒ–コードã§å®Ÿè¡Œã™ã‚‹æ–¹å¼ã§ã™ã€‚ 本æ¥ãªã‚‰JITã¯ã“ã®ã‚ˆã†ãªæ„
WAM: Warren's Abstract Machine (Japanese)
AN ABSTRACT PROLOG INSTRUCTION SET (D.Warrenã®æŠ½è±¡Prolog命令セット, WAM) Technical Note 309 Oct 1983 By: David H.D.Warren, Computer Scientist Artificial lntelligence Center Computer Science and Technology Division SRI Project 4776 Client: Digital Equipment Corporation Open Publication. Release of lnformation. 日本語訳: JAN/07/2010 last update: OCT/21/2010 竹岡尚三ã€å®‰é”å½°å…¸ã€æž—奉行ã€æ¹¯æµ…ä¿¡å¾ã€å°å®®å±±æ•¦å²ã€æ£®ä¸‹è€•å¹³ 和訳ã«ã¤ã„㦠ã“ã®æ–‡æ›¸ã¯ã€Prologコンパイラ
Jikes RVM Home
Jikes RVM Home Jikes RVM (Research Virtual Machine) provides a flexible open testbed to prototype virtual machine technologies and experiment with a large variety of design alternatives. The system is licensed under an OSI approved license. Jikes RVM runs on many platforms and advances the state-of-the-art of virtual machine technologies for dynamic compilation, adaptive optimization, garbage coll
vagrant – Ryuzee.com
人ææµå‹•æ€§ã®é«˜ã¾ã‚Šã‚’æ„Ÿã˜ã¦ã„ã‚‹ã¿ãªã•ã‚“ã“ã‚“ã«ã¡ã¯ã€‚ 比較的時間ãŒã‚ã‚‹ã®ã§ä»Šã¾ã§CakePHP2.7ã§ä½œã£ã¦ã„ãŸã‚¢ãƒ—リケーションをRails4ã«ç§»è¡Œã—ã¦ã„ã‚‹ã®ã§ã™ãŒã€ãã®é–‹ç™ºé–‹ç™ºç’°å¢ƒã¨ã—ã¦ã¯Vagrantを使ã£ã¦ã„ã¾ã™(ã¿ […] ã•ã‚‰ã«èªã‚€ /wp-content/uploads/2020/01/fig-05-01-2020_03-07-02.jpg 450 800 ryuzee ryuzee2015-12-02 21:20:252020-01-05 12:07:10ã€å°ãƒã‚¿ã€‘Railsアプリ開発用ã®Vagrantfile
VirtualBox: 仮想ディスクã®ã‚µã‚¤ã‚ºã‚’æ‹¡å¼µã™ã‚‹ (VDI)
VirtualBox ㌠3.x ã®é ƒã¯ã€æ¨™æº–ã® VDI å½¢å¼ã®ä»®æƒ³ãƒ‡ã‚£ã‚¹ã‚¯ã‚’æ‹¡å¼µã—よã†ã¨æ€ã£ã¦ã‚‚ VirtualBox å˜ä½“ã§ã¯ä¸å¯èƒ½ã§ã€VMDK å½¢å¼ã«å¤‰æ›ã—ã¦ã‹ã‚‰ä»–ã®ãƒ„ールã§ã‚µã‚¤ã‚ºã‚’変更ã™ã‚‹ç‰æ‰‹é–“ãŒã‹ã‹ã£ãŸãŒã€æœ€æ–°ã® 4.0.x ç³» (4.0.12 ã§ç¢ºèª) ã§ã¯ VBoxManage コマンドãŒå¼·åŒ–ã•ã‚Œã€modifyhd サブ・コマンドã«è¿½åŠ ã•ã‚ŒãŸã‚ªãƒ—ション "--resize" ã§æ‹¡å¼µã§ãるよã†ã«ãªã£ã¦ã„る。 ã¨ã“ã‚ãŒå…ˆæ—¥ã€VirtualBox 上ã®ä»®æƒ³ãƒžã‚·ãƒ³ (以下 VM) ã®ä»®æƒ³ãƒ‡ã‚£ã‚¹ã‚¯ã‚’æ‹¡å¼µã™ã‚‹æ©Ÿä¼šãŒè¨ªã‚ŒãŸã®ã§åŒã‚³ãƒžãƒ³ãƒ‰ã‚’使ã£ã¦ã¿ãŸã¨ã“ã‚〠> VBoxManage modifyhd <ORIGINAL_VDI> --resize <NEW_SIZE> 0%... Progress state: VBOX_E_NOT_SUPPORTED VBoxManage: error:
Route 477(2010-12-01)
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Please disable tghe KVM kernel extension - virtualbox.org
https://www.usenix.org/system/files/sec20-song.pdf
Bitbucket
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GitHub - oracle/graal: GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
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