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Yoshichika id:Yoshichika

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advanced optimization SSE
floatåž‹æµ®å‹•å°æ•°ã‚’4ã¤ä¸¦åˆ—ã«æ¼”ç®—ã™ã‚‹æ©Ÿæ§‹ã§ã™. MMXã‚„3D Now!ã®æ§˜ã«FPUãƒ¬ã‚¸ã‚¹ã‚¿ã‚’åˆ©ç”¨ã—ã¦ã„ã‚‹ã®ã§ã¯ãªãå…¨ãæ–°è¦ã«ä½œã‚‰ã‚ŒãŸãƒ¬ã‚¸ã‚¹ã‚¿ã§ã™. ãã®ãŸã‚, MMXã‚„3D Now!ã¨é•ã£ã¦FPUãƒ¬ã‚¸ã‚¹ã‚¿ã¨ã®åˆ‡æ›¿ãˆ[emms, femms]ã¯ä¸è¦ã§ã™ãŒ, ä»£ã‚ã‚Šã«OSãŒSSEãƒ¬ã‚¸ã‚¹ã‚¿ã‚’ã‚µãƒãƒ¼ãƒˆã—ã¦ã„ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™. åŸºæœ¬çš„ã«æœ€ä¸‹ä½ãƒ‡ãƒ¼ã‚¿ã®ã¿ã‚’æ“ä½œã™ã‚‹å‘½ä»¤ã«ã¯ss, 4ã¤ã®(ãƒ‘ãƒƒã‚¯ã•ã‚ŒãŸ)ãƒ‡ãƒ¼ã‚¿ã‚’æ“ä½œã™ã‚‹å‘½ä»¤ã«ã¯psãŒã¤ãã¾ã™. å¤§æŠµã®å‘½ä»¤ã¯ssã‚ˆã‚Šã¯psã®æ–¹ãŒãƒ¬ã‚¤ãƒ†ãƒ³ã‚·, ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆã¨ã‚‚ã«1ã‚¯ãƒãƒƒã‚¯ãšã¤ä½™è¨ˆã«ã‹ã‹ã‚Šã¾ã™. ä»¥ä¸‹, è¡¨ã®ä¸ã®`F'ã¯floatåž‹ãƒ‡ãƒ¼ã‚¿1ã¤ã‚’è¡¨ã—ã¾ã™. `a-bã‚µã‚¤ã‚¯ãƒ«'ã¯ãƒ¬ã‚¤ãƒ†ãƒ³ã‚·a, ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆbã‚’è¡¨ã—ã¾ã™. xmm?ã¨æ›¸ãã®ã¯é¢å€’ãªã®ã§xm?ã¨æ›¸ãã¾ã™. 4.1 èªã¿è¾¼ã¿ / æ›¸ãè¾¼ã¿
Yoshichika 2007/01/15
SSE

asm

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Assembly Programming Linux
Linux ã§ã‚¢ã‚»ãƒ³ãƒ–ãƒªãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° copyright (C) 2000-2003 Jun Mizutani (mizutani.jun@nifty.ne.jp) ã¯ã˜ã‚ã«ï¼Ž ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã‚’ä½¿ã£ã¦ Linux ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã§éŠã‚“ã§ã¿ã¾ã™ï¼Žã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã«ã¯ NASM ã‚’ä½¿ç”¨ã—ã¦ï¼Œã‚«ãƒ¼ãƒãƒ«ã‚’ç›´æŽ¥åˆ©ç”¨ã™ã‚‹ã“ã¨ã«ã—ã¾ã™ï¼Ž ã„ã¾ã•ã‚‰ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã§ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ä½œæˆã™ã‚‹ã“ã¨ã¯ï¼Œæ™‚ä»£éŒ¯èª¤ã¨æ„Ÿã˜ã‚‹äººã‚‚ å¤šã„ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ï¼Žã€Œã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã§ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ãªã‚“ã¦è·äººèŠ¸ã§ã—ã‚‡ã†ã€ ã¨æ€ã†ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ï¼Ž 20å¹´å‰ã§ã¯è¶£å‘³ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¯ BASIC ã‹ ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã—ã‹é¸æŠžè‚¢ãŒã‚ã‚Šã¾ã›ã‚“ ã§ã—ãŸãŒï¼Œä»Šã§ã¯Perl, Ruby ã‹ã‚‰ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã¾ã§ã®é–“ã«éžå¸¸ã«å¤šãã®è¨€èªžãŒã‚ã£ã¦ï¼Œ ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ã¯æ™®é€šã§ã¯ä¸è¦ãªæœ€ä¸‹å±¤ã®çŸ¥è˜ã¨ãªã£ã¦ã„ã‚‹ã¨æ€ã„ã¾ã™ï¼Ž 10BaseT ã®ãƒ„ã‚¤ã‚¹ãƒˆãƒšã‚¢ã‚±ãƒ¼ãƒ–ãƒ«ã®ã‚¤ãƒ³ãƒ”ãƒ¼ãƒ€ãƒ³ã‚¹
Yoshichika 2007/01/15
asm

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ç›®æŒ‡ã›ãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ï¼
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Yoshichika 2007/01/15
asm

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Yoshichika 2007/01/11
asm

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ä½œè€…ãƒ›ãƒ¼ãƒ ãƒšãƒ¼ã‚¸ã‚µãƒ¼ãƒ“ã‚¹ï¼ˆhp.vectorï¼‰ã¯çµ‚äº†ã„ãŸã—ã¾ã—ãŸã€‚ é•·ã‚‰ãã®ã”åˆ©ç”¨ã€ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ ã”ä¸æ˜Žãªç‚¹ãŒã‚ã‚Œã°ã€ãŠå•ã„åˆã‚ã›ãƒšãƒ¼ã‚¸ã‚’ã”è¦§ã®ä¸Šã€ãŠå•ã„åˆã‚ã›ãã ã•ã„ã€‚ â€»15ç§’å¾Œã«ãƒˆãƒƒãƒ—ãƒšãƒ¼ã‚¸ã«æˆ»ã‚Šã¾ã™ã€‚ (c) Vector HOLDINGS Inc.All Rights Reserved.
Yoshichika 2007/01/11
asm

MMX

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NWSA
Yoshichika 2007/01/11
asm

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ï¼’.C ã‹ã‚‰å‘¼ã³å‡ºã›ã‚‹ã‚µãƒ–ãƒ«ãƒ¼ãƒãƒ³(å¼•æ•°,ãƒãƒ¼ã‚«ãƒ«å¤‰æ•°ãªã—)ã‚’ NASM ã§ä½œæˆ[2001/03/07] ä»Šå›žã¯ã€NASM ã‚’ä½¿ã£ã¦ã€C ã‹ã‚‰å‘¼ã³å‡ºã›ã‚‹ã‚µãƒ–ãƒ«ãƒ¼ãƒãƒ³ã‚’ä½œã£ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ ã‚ˆãã‚ã‚ŠãŒã¡ãªã€CPU ãŒ MMX ã«å¯¾å¿œã—ã¦ã„ã‚‹ã‹ã©ã†ã‹ã®ãƒã‚§ãƒƒã‚¯ã‚’ã‚„ã£ã¦ã¿ã‚ˆã†ã¨æ€ã„ã¾ã™ã€‚ [mmxcheck.asm] ;------------- å¼•æ•°ã‚’ã¨ã‚‰ãªã„é–¢æ•°å‘¼ã³å‡ºã—ã€‚ ------- ;int mmxCheck(void); bits 32 ; 32 bit ãƒ¢ãƒ¼ãƒ‰ã§ã‚¢ã‚»ãƒ³ãƒ–ãƒ«ã™ã‚‹ section .text code align=4 use32 global _mmxCheck ; VisualC++/Borland C ç”¨ã®ãƒ©ãƒ™ãƒ« global mmxCheck ; elf ãƒã‚¤ãƒŠãƒªç”¨ã®ãƒ©ãƒ™ãƒ« mmxCheck: ; elf ãƒã‚¤ãƒŠãƒªç”¨ã®ãƒ©ãƒ™ãƒ« _mmxCheck: ; VisualC
Yoshichika 2007/01/11
asm

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SIMD with NASM
IA-32(x86)ã«ã¯SIMD(Single Instruction Multi Data)ã¨å‘¼ã°ã‚Œã‚‹æ‹¡å¼µå‘½ä»¤ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã¯ï¼‘å›žã®å‘½ä»¤ã§è¤‡æ•°ã®ãƒ‡ãƒ¼ã‚¿ã‚’åŒæ™‚ï¼ˆä¸¦åˆ—ï¼‰ã«å‡¦ç†ã§ãã‚‹ã®ã§ã€ãƒžãƒ«ãƒãƒ¡ãƒ‡ã‚£ã‚¢é–¢ä¿‚ã®ã‚½ãƒ•ãƒˆã®å‡¦ç†é€Ÿåº¦ã‚’ä¸Šã’ã‚‹ã®ã«æœ‰åŠ¹ã§ã™ã€‚ SIMDæ‹¡å¼µå‘½ä»¤ã¯MMXã‹ã‚‰å§‹ã¾ã‚Šã€3DNow!ã€SSEã€SSE2ãªã©ã®ç¨®é¡žãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã‚‰ã®å‘½ä»¤ã‚’Linuxã®ç’°å¢ƒã§ä½¿ã†ã«ã¯ã„ãã¤ã‹ã®æ–¹æ³•ãŒã‚ã‚Šã¾ã™ãŒã€ã“ã“ã§ã¯NASM(The Netwide Assem bler)ã‚’ä½¿ã£ãŸæ–¹æ³•ã‚’èª¬æ˜Žã—ã¾ã™ã€‚ ä½¿ç”¨ã—ãŸç’°å¢ƒ AthlonXP 1900+ (LoquatXP) LedHat Linux 7.2(Linux 2.4.7) NASMã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« SourceForge.netã®Project:The Netwide Assem blerã‹ã‚‰ã‚½ãƒ¼ã‚¹ãªã‚Šãƒã‚¤ãƒŠãƒªãªã‚Šã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¦ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã€‚ç‰¹
Yoshichika 2007/01/11
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

SIMD

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Yoshichika 2007/01/11
asm

SIMD

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Yoshichika 2007/01/11
asm

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

Win32
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introduction to x86-asm
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Yoshichika 2007/01/11
asm

gcc

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