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tekimen id:tekimen

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x86-64æ©Ÿæ¢°èªžå…¥é–€ AVX/AVX-512ç·¨
ã“ã®è¨˜äº‹ã¯x86-64æ©Ÿæ¢°èªžå…¥é–€ã®ç¶šãã§ã™ã€‚SSE/AVX/AVX-512ã®ç´¹ä»‹ã¨ã€ãã‚Œã«ä¼´ã†VEXãƒ—ãƒªãƒ•ã‚£ãƒƒã‚¯ã‚¹ã€EVEXãƒ—ãƒªãƒ•ã‚£ãƒƒã‚¯ã‚¹ã®ç´¹ä»‹ã‚’è¡Œã„ã¾ã™ã€‚ SSE x86-64ã§å˜ç²¾åº¦ãƒ»å€ç²¾åº¦ã®æµ®å‹•å°æ•°ç‚¹æ•°ã‚’æ‰±ã†ã«ã¯ã€SSE (Streaming SIMD Extensions) ã¨å‘¼ã°ã‚Œã‚‹æ©Ÿèƒ½ï¼ˆå‘½ä»¤ã‚»ãƒƒãƒˆã¨ãƒ¬ã‚¸ã‚¹ã‚¿ãƒ¼ï¼‰ã‚’ä½¿ã„ã¾ã™ã€‚å…ƒã€…ã¯å‘½ä»¤ã‚»ãƒƒãƒˆæ‹¡å¼µã§ã—ãŸãŒã€x86-64ã§ã¯SSE2ãŒå¸¸ã«åˆ©ç”¨å¯èƒ½ãªã®ã§ã€æ¨™æº–ã§ä½¿ãˆã‚‹æ©Ÿèƒ½ã ã¨æ€ã£ã¦æ§‹ã„ã¾ã›ã‚“ã€‚ SSEã§ã¯128ãƒ“ãƒƒãƒˆå¹…ã®ãƒ¬ã‚¸ã‚¹ã‚¿ãƒ¼ã‚’16æœ¬ï¼ˆ32ãƒ“ãƒƒãƒˆãƒ¢ãƒ¼ãƒ‰ã§ã¯8æœ¬ï¼‰åˆ©ç”¨ã§ãã¾ã™ã€‚ãƒ‡ãƒ¼ã‚¿åž‹ã¯ç„¡å°SSEã§ã¯å˜ç²¾åº¦æµ®å‹•å°æ•°ç‚¹æ•°ï¼ˆ32ãƒ“ãƒƒãƒˆå¹…ï¼‰ãŒã€SSE2ä»¥é™ã§ã¯å€ç²¾åº¦æµ®å‹•å°æ•°ç‚¹æ•°ï¼ˆ64ãƒ“ãƒƒãƒˆå¹…ï¼‰ã‚„æ•´æ•°ãŒä½¿ãˆã¾ã™ã€‚ SSEã®128ãƒ“ãƒƒãƒˆå¹…ã®ãƒ¬ã‚¸ã‚¹ã‚¿ãƒ¼ã¯XMMãƒ¬ã‚¸ã‚¹ã‚¿ãƒ¼ã¨å‘¼ã°ã‚Œã€xmm0, xmm1, ..., xmm15ã®ã‚ˆã†ã«ç•ªå·ã‚’ã¤ã‘ã¦å‘¼ã°
tekimen 2024/01/03
SIMD

CPU

AVX
ãƒªãƒ³ã‚¯
ãƒ¡ãƒ¢ãƒªã‚¢ã‚¯ã‚»ã‚¹ã®ã‚»ãƒžãƒ³ãƒ†ã‚£ã‚¯ã‚¹ã¨Apple siliconã®è£æŠ€(?)ã«ã¤ã„ã¦ - yamasaã®ãƒã‚¿å¸³
ã‚¢ã‚¦ãƒˆãƒ»ã‚ªãƒ–ãƒ»ã‚ªãƒ¼ãƒ€ãƒ¼å®Ÿè¡Œã«ã¤ã„ã¦è£œè¶³ å‰å›žã®è¨˜äº‹ã§ã€Œã‚¢ã‚¦ãƒˆãƒ»ã‚ªãƒ–ãƒ»ã‚ªãƒ¼ãƒ€ãƒ¼å®Ÿè¡Œã€ã«ã¤ã„ã¦ç‰¹ã«èª¬æ˜Žã›ãšã«è©±ã‚’é€²ã‚ã¦ã—ã¾ã£ãŸã“ã¨ã«æ°—ã¥ã„ãŸã®ã§ã€ã¾ãšã¯ãã‚Œã«ã¤ã„ã¦ç°¡å˜ã«è£œè¶³ã—ã¦ãŠã“ã†ã€‚ ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãƒ¼ã®æ€§èƒ½å‘ä¸Šã®æ´å²ã¯ãƒ¬ã‚¤ãƒ†ãƒ³ã‚·ãƒ¼ã¨ã®æˆ¦ã„ã®æ´å²ã§ã‚‚ã‚ã‚‹ã€‚ colin-scott.github.io ä¸Šã®ã‚µã‚¤ãƒˆã¯å¹´ä»£æ¯Žã«ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãƒ¼ã‚·ã‚¹ãƒ†ãƒ ã§ã®å„ç¨®ãƒ¬ã‚¤ãƒ†ãƒ³ã‚·ãƒ¼ãŒã©ã®ã‚ˆã†ã«å¤‰åŒ–ã—ã¦ã„ã£ãŸã‹ã‚’ç´¹ä»‹ã—ã¦ã„ã‚‹ã€‚1990å¹´ä»£å‰åŠã¯ã‚ãƒ£ãƒƒã‚·ãƒ¥ãƒ¡ãƒ¢ãƒªã¨ãƒ¡ã‚¤ãƒ³ãƒ¡ãƒ¢ãƒªã¨ã®é–“ã®ãƒ¬ã‚¤ãƒ†ãƒ³ã‚·ãƒ¼å·®ã¯ãã‚Œã»ã©å¤§ãããªã‹ã£ãŸãŒã€ãã®å¾Œã®æŠ€è¡“é©æ–°ã«ã‚ˆã£ã¦ç¾åœ¨ã¯L1ã‚ãƒ£ãƒƒã‚·ãƒ¥ã¨ãƒ¡ã‚¤ãƒ³ãƒ¡ãƒ¢ãƒªã¨ã®é–“ã«100å€ãã‚‰ã„ã®ãƒ¬ã‚¤ãƒ†ãƒ³ã‚·ãƒ¼å·®ãŒã‚ã‚‹ã‚ˆã†ã«ãªã£ã¦ã—ã¾ã£ãŸã€‚ã“ã‚Œã¯ã¤ã¾ã‚Šã€ãƒ—ãƒã‚°ãƒ©ãƒ å®Ÿè¡Œä¸ã«ãƒ¡ã‚¤ãƒ³ãƒ¡ãƒ¢ãƒªã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ãŒç™ºç”Ÿã—ã¦ã—ã¾ã†ã¨ã€ãã‚Œã ã‘é•·ã„ãƒ¬ã‚¤ãƒ†ãƒ³ã‚·ãƒ¼ã®é–“CPUã®å‡¦ç†ã‚’é€²ã‚ã‚‹ã“ã¨ãŒã§ããªããªã£ã¦ã—ã¾ã†ã“ã¨ã‚’æ„å‘³ã™ã‚‹ã€‚ãã®ãŸã‚
tekimen 2023/10/06
cpu

Apple

ARM

mac
ãƒªãƒ³ã‚¯
An Entire RISC-V Operating System In 2000 Lines
While Microsoft and Apple donâ€™t release the source code for their operating systems, a good estimate is that it takes around 50 million lines of code to run these software behemoths. The Linux kernel alone holds around 30 million lines, with systemd containing over one million lines on its own, which doesnâ€™t include estimates for the desktop environment or other parts of a standard installation. B
tekimen 2023/05/22
cpu

OS

risc-v
ãƒªãƒ³ã‚¯
Armã®å‘½ä»¤ã‚»ãƒƒãƒˆã¨NEONæ‹¡å¼µ - Qiita
ã“ã®ã‚¢ãƒ‰ãƒ™ãƒ³ãƒˆã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼ã®ã‚¹ã‚³ãƒ¼ãƒ—ã€å¯¾è±¡èªè€…ã«ã¤ã„ã¦ ã“ã®è¨˜äº‹ã¯ã²ã¨ã‚ŠNEONã‚¢ãƒ‰ãƒ™ãƒ³ãƒˆã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼2020 1æ—¥ç›®ã®è¨˜äº‹ã§ã™ã€‚ ç›®æ¬¡ã«ã‚‚æ›¸ãã¾ã—ãŸãŒã€ã‚ãã¾ã§æ‰‹å³¶å€‹äººã®çŸ¥è˜ã®ç¯„å›²å†…ã§æ›¸ãã®ã§ã€ã™ã¹ã¦å…¬é–‹æƒ…å ±ãŒã‚‚ã¨ã«ãªã£ã¦ã„ã¾ã™ã€‚ å€‹äººã§è¶£å‘³ã®ç¯„å›²ã§æ›¸ãã®ã§ã€ç†è€…ã®å‹¤å‹™å…ˆã¨ã¯ç„¡é–¢ä¿‚ã§ã™ ä¸€äººadvent calendarãªã®ã§ã€çœã‚¨ãƒãƒ¢ãƒ¼ãƒ‰ãŒãƒ¢ãƒƒãƒˆãƒ¼ã«ãªã£ã¦ã¾ã™ã€‚æ‚ªã—ã‹ã‚‰ãšã€‚ Arm v8.4ã€SVEã¨è¡Œã£ãŸArmã®ç¾åœ¨é€²è¡Œå½¢ã®æ‹¡å¼µã«é–¢ã—ã¦ã¯å®Ÿæ©ŸãŒæ‰‹å…ƒã«ç„¡ã„ã“ã¨ã‚‚ã‚ã£ã¦ã€ã‚ã¾ã‚Šæ·±å…¥ã‚Šã¯ã—ãªã„äºˆå®š å®Ÿéš›ã®ã‚³ãƒ¼ãƒ‰ã¯ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã§ã¯ãªãã€GCCã®intrinsicã‚’ã‚‚ã¨ã«è§£èª¬ã™ã‚‹ C/C++ã®ã‚³ãƒ¼ãƒ‰ã‹ã‚‰NEONå‘½ä»¤ã‚’ä½¿ã†ã‚³ãƒ¼ãƒ‰ã‚’è§£èª¬ã™ã‚‹ã®ã§ã€ãã‚ŒãŒèªã‚ã‚‹ãã‚‰ã„ã®èªè€…ã‚’æƒ³å®šã€‚ æœ¬æ—¥ã®ãƒˆãƒ”ãƒƒã‚¯ ã„ããªã‚Šã€ŒNEONã¨ã¯ã€ã€ã¨é£›ã³è¾¼ã‚“ã§ã‚‚ã‚ã‹ã‚‰ãªã„äººãŒå±…ã‚‹ã¨æ€ã†ã®ã§ã€ç¬¬1æ—¥ç›®ã¯æ¦‚è¦ã‚’èª¬æ˜Žã—ã‚ˆã†ã¨æ€ã„ã¾ã™ã€‚
tekimen 2023/04/25
SIMD

cpu

ARM
ãƒªãƒ³ã‚¯
SIMDãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°å…¥é–€ï¼ˆAVX-512ã‹ã‚‰å§‹ã‚ã‚‹ç·¨ï¼‰ - Qiita
æœ€è¿‘ã€SIMDå‘½ä»¤ã‚’ä½¿ã£ãŸãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¨ã„ã†ã‚‚ã®ã«è§¦ã‚Œã‚‹æ©Ÿä¼šãŒã‚ã£ãŸã®ã§ã€ã©ã†ã‚„ã£ã¦å…¥é–€ã—ã¦ã„ã£ãŸã‹ã«ã¤ã„ã¦ã¾ã¨ã‚ã¾ã™ã€‚ã“ã®åˆ†é‡Žã¯ã©ã†ã—ã¦ã‚‚ã€Œåˆ†ã‹ã£ã¦ã„ã‚‹äººå‘ã‘ã€ã®è¨˜äº‹ãŒå¤šããªã‚ŠãŒã¡ã®ã‚ˆã†ãªã®ã§ã€åŸºæœ¬çš„ãªçŸ¥è˜ã«ã¤ã„ã¦ã¾ã¨ã‚ã¤ã¤ã€ç™ºå±•çš„ãªè³‡æ–™ã¸ã®URLç‰ã‚‚æ¥µåŠ›è¼‰ã›ã‚‹ã‚ˆã†ã«ã—ã¾ã—ãŸã€‚ â€» è¨˜äº‹ã§å–ã‚Šæ‰±ã†SIMDå‘½ä»¤ã¯AVX-512ã‚’å¯¾è±¡ã¨ã—ã¾ã™ãŒã€ãã®ä»–ã®å‘½ä»¤ä½“ç³»ï¼ˆe.g. x86ã®AVX/AVX2ã‚„ARMã®NEONç‰ï¼‰ã¨ã‚‚å¤šå°‘ã¯å…±é€šç‚¹ãŒã‚ã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ å‰æçŸ¥è˜ã¨ã‚¹ã‚³ãƒ¼ãƒ— C/C++ã®ã”ãåŸºæœ¬çš„ãªæ§‹æ–‡ã‚’ç†è§£ã—ã¦ã„ã‚‹äººå‘ã‘ã®è¨˜è¿°ã«ãªã£ã¦ã„ã¾ã™ è¨˜äº‹ã‚’èªã‚€ä¸Šã§ã€è¨ˆç®—æ©Ÿã®æ§‹é€ ã«ã¤ã„ã¦ã®åŸºæœ¬çš„ãªç†è§£ãŒå¿…è¦ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ e.g. CPUãŒã‚ã£ã¦ãƒ¡ãƒ¢ãƒªãŒã‚ã£ã¦ã€œç¨‹åº¦ã§ãŸã¶ã‚“å¤§ä¸ˆå¤«ã§ã™ é–‹ç™ºç’°å¢ƒã¨ã—ã¦Linuxä¸Šã®Clang 5.0.1ã‚’æƒ³å®šã—ã¾ã™ï¼ˆã¨ã¯ã„ãˆGCCç‰ã§ã‚‚åŒã˜ã‚ˆã†ãªè©±ã«ãªã‚‹ã¯ãšã§ã™ï¼‰
tekimen 2023/02/07
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

cpu
ãƒªãƒ³ã‚¯
opv86
opv86 Opcode/Instruction finder for x86_64 GitHub: hikalium/opv86 Decoder output (experimental)
tekimen 2021/01/12
cpu

ã‚ã¨ã§èªã‚€

x86-64

x86
ãƒªãƒ³ã‚¯
å®Ÿè·µçš„ä½Žãƒ¬ã‚¤ãƒ¤ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
ã¯ã˜ã‚ã« å¦æ ¡ã§ç¿’ã‚ãªã„ãŒ(ç¿’ã†å¦æ ¡ã‚‚ã‚ã‚‹)ã€ç¾å®Ÿã«å¿…è¦ã«ãªã‚‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°æŠ€è¡“ã«ã€ä½Žãƒ¬ã‚¤ãƒ¤ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ãªã©ã¨å‘¼ã°ã‚Œã‚‹ã‚‚ã®ãŒã‚ã‚‹ åŽ³å¯†ãªå®šç¾©ã¯èžã„ãŸã“ã¨ãŒãªã„ã—ã€ãŠãã‚‰ãå˜åœ¨ã—ãªã„ã¨ã¯æ€ã†ãŒã€å¤§ä½“ã®ã¿ã‚“ãªã®å…±é€šèªè˜ã¨ã—ã¦ã€ ã€Œé«˜ç´šãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã‚’ä½¿ã‚ãªã„ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’æ›¸ãã€OSã§æŠ½è±¡åŒ–ã•ã‚Œãªã„ãƒ‡ãƒã‚¤ã‚¹ã®æ©Ÿèƒ½ã‚’ä½¿ã†ã€ã¨ã„ã£ãŸã‚ˆã†ãªèªè˜ãŒã‚ã‚‹ã¨æ€ã†ã€‚ ç†è€…ã®çµŒé¨“ã‹ã‚‰è¨€ã‚ã›ã¦ã‚‚ã‚‰ã†ãªã‚‰ã°ã€ä½Žãƒ¬ã‚¤ãƒ¤ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«é–¢ã™ã‚‹çŸ¥è˜ã¯ã€ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ãŠã„ã¦ã‚ã‚‰ã‚†ã‚‹å ´é¢ã§ã€å¸¸ã«ã€å°‘ã—ãšã¤å½¹ç«‹ã¦ã‚‰ã‚Œã‚‹çŸ¥è˜ã ã¨è¨€ãˆã‚‹ã¨æ€ã†ã€‚ æ™®æ®µã¯Rubyã‚„PHPãªã©ã‚’æ›¸ã„ã¦ã‚‹äººã§ã‚ã£ãŸã¨ã—ã¦ã‚‚ã€ãƒ¡ãƒ¢ãƒªãŒè¶³ã‚Šãªããªã£ãŸå ´åˆã‚„ã€ãƒ‡ãƒãƒƒã‚¬ã‚’ä½¿ã£ã¦ã„ã‚‹å ´åˆã€æ€§èƒ½ãŒè¶³ã‚Šãªããªã£ãŸå ´åˆãªã©ã€ åŽ³ã—ã„ç’°å¢ƒã«ãŠã‹ã‚ŒãŸæ™‚ã«ä½Žãƒ¬ã‚¤ãƒ¤ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«é–¢ã™ã‚‹çŸ¥è˜ãŒå¿…ãšå½¹ã«ç«‹ã¤å ´é¢ãŒæ¥ã‚‹ã¨ä¿¡ã˜ã¦ã„ã‚‹ã€‚ ã¾ãŸã€å½¹ã«ç«‹ã¤ã‹ã©ã†ã‹ã¯ç½®ã„ã¦ãŠã„ã¦ã‚‚ã€ã€Œ
tekimen 2020/07/14
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

linux

OS

cpu

ãƒ—ãƒã‚°ãƒ©ãƒ

ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©
ãƒªãƒ³ã‚¯
Webã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãŒçŸ¥ã‚‹ã¹ãä½Žãƒ¬ã‚¤ãƒ¤ãƒ¼ã®æŠ€è¡“ã¨ãã®å¦ç¿’æ–¹æ³• - Qiita
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tekimen 2018/12/20
ä½Žãƒ¬ã‚¤ãƒ¤

ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©

CPU

OS
ãƒªãƒ³ã‚¯
ã€ŒSandy BridgeãŠã˜ã•ã‚“ã€ã¨ã¯ä½•ã‹ï¼Ÿ : å› ç”»å¿œå ±
4æœˆ17 ã€ŒSandy BridgeãŠã˜ã•ã‚“ã€ã¨ã¯ä½•ã‹ï¼Ÿ ã‚«ãƒ†ã‚´ãƒª:æ—¥è¨˜PC çš†ã•ã‚“ã¯ãƒ‘ã‚½ã‚³ãƒ³ã‚„ã‚¹ãƒžãƒ¼ãƒˆãƒ•ã‚©ãƒ³ã®CPUã«ã¤ã„ã¦è€ƒãˆãŸã“ã¨ã¯ã‚ã‚Šã¾ã™ã‹ï¼Ÿ ã“ã®ãƒ–ãƒã‚°ã¯å†™çœŸã®ãƒ–ãƒã‚°ã§ã™ãŒã€RAWç¾åƒã®è² è·ãŒé‡ã„ãŸã‚ã€ãƒã‚¤ãƒ‘ãƒ¯ãƒ¼ãªCPUãŒå¿…è¦ã¨ãªã£ã¦ã„ã¾ã™ã€‚ãã®ãŸã‚ã€2017å¹´æœ«ã€ã¤ã„ã«æ–°ã—ã„PCã‚’è‡ªä½œã—ã¦ã—ã¾ã„ã¾ã—ãŸã€‚ ã•ã¦ã€è‡ªä½œPCã¨ã„ãˆã°å¤–ã™ã“ã¨ã®ã§ããªã„ã€ŒãŠã˜ã•ã‚“ã€é”ãŒã„ã¾ã™ã€‚ ã€Œä»Šã¯æ™‚æœŸãŒæ‚ªã„ãŠã˜ã•ã‚“ã€ ã€ŒSandy BridgeãŠã˜ã•ã‚“ã€ ã‚“ï¼ŸSandy BridgeãŠã˜ã•ã‚“ã£ã¦ä½•ï¼Ÿãã‚‚ãã‚‚Sandy Bridgeã£ã¦ï¼Ÿ ç›®æ¬¡ â– Sandy Bridgeã¨ã¯ï¼Ÿ â– Sandy Bridgeã®æ€§èƒ½ã¯ï¼Ÿ â– Sandy Bridge vs Haswell â– Sandy Bridge vs Skylake / Kaby Lake â– Sandy Bridge vs Coffee Lake â– Sa
tekimen 2018/04/19
cpu

PC
ãƒªãƒ³ã‚¯
1æ—¥ç›®: æ–¹é‡ - ã—ã‹ãã„ã•ã‚“ã‹ã
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tekimen 2017/12/22
ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©

CPU

PC
ãƒªãƒ³ã‚¯
AMDã€Ryzenã®SEGVå•é¡Œã‚’èªã‚ã‚‹ | ã‚¹ãƒ©ãƒ‰
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tekimen 2017/08/09
CPU

amd

ryzen
ãƒªãƒ³ã‚¯
Ryzen General Protection Exception - æ—¥è¨˜ (2017 å¹´ 6 æœˆä¸‹æ—¬)
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tekimen 2017/07/01
ryzen

CPU

AMD
ãƒªãƒ³ã‚¯
Ryzenã«ã¾ã¤ã‚ã‚‹2ã¤ã®å•é¡Œ - è¦šæ›¸
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tekimen 2017/07/01
ryzen

amd

cpu

linux
ãƒªãƒ³ã‚¯
CPUä½¿ç”¨çŽ‡ã¯é–“é•ã£ã¦ã„ã‚‹ | Yakst
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tekimen 2017/06/16
CPU

performance

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

linux
ãƒªãƒ³ã‚¯
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tekimen 2017/02/23
CPU

ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£
ãƒªãƒ³ã‚¯
ãƒãƒ¼ãƒ‰ç´ äººãŒ32bit CPUã‚’FPGAã§è‡ªä½œã—ã¦å‹•ã‹ã™ã¾ã§èªã‚“ã æœ¬ã®ã¾ã¨ã‚ - ã‚¹ãƒ†ã‚£ãƒ«ãƒã‚¦ã‚¹ã®æ›¸åº«ã®æ›¸åº«
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tekimen 2017/02/16
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

FPGA

é›»åå·¥ä½œ

CPU
ãƒªãƒ³ã‚¯
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