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dewdrop id:dewdrop

debugã«é–¢ã™ã‚‹dewdropã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

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Javaãƒ¡ãƒ¢ãƒªã€GCãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã¨ãã‚Œã«ã¾ã¤ã‚ã‚‹ãƒˆãƒ©ãƒ–ãƒ«å¯¾å¿œæ‰‹é †ã¾ã¨ã‚ - æ—¥è¨˜ã®ã‚ˆã†ãªä½•ã‹
GCå‘¨ã‚Šã§ãƒˆãƒ©ãƒ–ãƒ«ã‚·ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã—ãŸéš›ã®çµŒé¨“ã‚„ã€Webç‰ã§èª¿ã¹ãŸã“ã¨ã‚’ã¾ã¨ã‚ã¦ã¿ã‚‹ã€‚ å‰æ ãƒ»JVMã¯ã€Sun Javaã‚’æƒ³å®šã€‚(ä»–ã¯ä½¿ã£ãŸã“ã¨ãªã„ã§ã™ã€‚ã€‚ã€‚) ãƒ»Sun Java 1.5-1.6ã‚’æƒ³å®šã€‚ ç›®æ¨™ ãƒžã‚¤ãƒŠãƒ¼GCã€Full GCãã‚Œãžã‚ŒãŒé »ç™ºã™ã‚‹ã“ã¨ãªãã€ã‹ã¤ãã‚Œãžã‚Œã®å®Ÿè¡Œæ™‚é–“ã‚’1ç§’æœªæº€ã«æŠ‘ãˆã‚‹ã“ã¨ã€‚ ãƒžã‚¤ãƒŠãƒ¼GCã¯1ç§’æœªæº€ã©ã“ã‚ã§ã¯ãªãã€ã‚‚ã£ã¨çŸããªã‚‹ã¹ãã€‚ã©ã‚Œãã‚‰ã„ãŒç†æƒ³ã‹ã¯ï¼Ÿ(0.1ç§’æœªæº€ãã‚‰ã„ã‚’ç›®æŒ‡ã—ãŸã„ï¼Ÿ) é€£ç¶šã—ãŸè² è·çŠ¶æ…‹(æƒ³å®šã•ã‚Œã‚‹ãƒ”ãƒ¼ã‚¯ã‚¢ã‚¯ã‚»ã‚¹)ã§ã‚‚OutOfMemoryErrorãŒç™ºç”Ÿã—ãªã„ã“ã¨ã€‚ ç†æƒ³çš„ãªçŠ¶æ…‹ã¯ã€ä¸Šè¨˜ã«åŠ ãˆã¦ã€Full GCã®ç™ºç”ŸãŒä½Žé »åº¦ã§ã‚ã‚‹ã“ã¨ã€‚ å…·ä½“çš„ã«ã¯ã€ã§ãã‚‹ã ã‘ãƒžã‚¤ãƒŠãƒ¼GCã§çŸå‘½ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆ(1å›žä½¿ã£ãŸã‚‰ã‚‚ã†ä½¿ã‚ãªã„ã‚ˆã†ãªã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã€‚é€†ã«ã‚»ãƒƒã‚·ãƒ§ãƒ³ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆç‰ã¯é•·å‘½ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã¨ãªã‚‹)ã‚’ç ´æ£„ã•ã›ã¦ã€çŸå‘½ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆãŒã€Tenu
dewdrop 2011/03/26
java

debug
ãƒªãƒ³ã‚¯
http://homepage2.nifty.com/tulip-an/tips/VCTipscontent58.html
dewdrop 2008/07/11
windows

c++

debug
ãƒªãƒ³ã‚¯
top | "Scene Research Station"
ã„ã¤ã®é–“ã«ã‹å§‹ã¾ã£ã¦ãŸï¼ ä»Šå›žã®èª²é¡Œã¯ã€é€£ç«‹ä¸€æ¬¡æ–¹ç¨‹å¼ã®è§£ã€ã£ã¦ã“ã¨ã§å®šçŸ³é€šã‚Š LU åˆ†è§£ã® right-looking ã§æ”»ã‚ã‚‹äººãŒå¤šæ•°ã«ãªã‚Šãã†ãªäºˆæ„Ÿã€‚ ã—ã‹ã—ã€å‰ã¯ã‚½ãƒ¼ãƒˆã ã£ãŸã—ã€å¤§å¦ç”Ÿã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã®æ¼”ç¿’ã¿ãŸã„ãªæž¯ã‚ŒãŸèª²é¡ŒãŒå¤šã„ã§ã™ãã€‚ ã¨ã¯ã„ãˆã€ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ãŒå¤‰ã‚ã‚Œã°ã€æ”»ã‚æ–¹ã‚‚å¤‰ã‚ã‚‹ã¨ã„ã†ã‚‚ã®ã€‚ å‰å›žã‚ˆã‚Šæˆ¦ç•¥ã«å¹…ãŒå‡ºã‚„ã™ã„å•é¡Œã®ã‚ˆã†ãªæ°—ãŒã™ã‚‹ã—ã€å‹•å‘ã«è¦æ³¨ç›®ã§ã™ã€‚ å°ãƒã‚¿ã¨ã„ã†ã“ã¨ã§ã€ä»¥å‰ verilog ã‚’æ›¸ããŸã‚ã«ä½œã£ãŸ emacs lisp ã‚’ç´¹ä»‹ã€‚ ã“ã® lisp ã¯ã€/*auto-script ã€œ */ã§å›²ã¾ã‚ŒãŸéƒ¨åˆ†ã‚’ä»»æ„ã®ã‚³ãƒžãƒ³ãƒ‰ã«æµã—ã¦ã€ ãã®çµæžœã‚’æŒ¿å…¥ã™ã‚‹ã€‚ ä¾‹ãˆã°ã€C è¨€èªžã§ sin table (ä¾‹ãˆã°1.31ã®å›ºå®šå°æ•°ç‚¹) ã‚’åŸ‹ã‚è¾¼ã¿ãŸã„ã¨ã™ã‚‹ã€‚ (PC ã˜ã‚ƒãªã„ã‹ã‚‚ã—ã‚Œãªã„ã‘ã©ã€çµ„ã¿è¾¼ã¿ã¨ã‹ãªã‚‰æœ‰ã‚Šå¾—ã‚‹) ãã‚“ãªã¨ã auto-script ãŒã‚ã‚Œã°ã€ã¡
dewdrop 2008/07/11
ãƒã‚¤ãƒŠãƒªè§£æžãƒ„ãƒ¼ãƒ«

windows

debug
ãƒªãƒ³ã‚¯
g++ã®ã‚¨ãƒ©ãƒ¼ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚’èªã¿æ˜“ãã™ã‚‹ - GPUPPUR(ãã·ã£ã±ãƒ¼)ã®æ—¥è¨˜
c++è¨€èªžã§ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆé–¢é€£ã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã‚¨ãƒ©ãƒ¼ã¯éžå¸¸ã«èªã¿ã«ãã„ã§ã™ã€‚ ã§ã™ãŒã‚¤ãƒ³ãƒ‡ãƒ³ãƒˆã™ã‚Œã°çµæ§‹èªã¿æ˜“ããªã‚Šã¾ã™ã€‚ ä¾‹ãˆã°ä»¥ä¸‹ã®ã‚ˆã†g++ã‹ã‚‰ã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ« ã‚¨ãƒ©ãƒ¼ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ src/gpuppur/cpu/cpu_raytracer.hpp:479: error: `void gpuppur::cpu_raytracer::erase(const typename gpuppur::cpu_raytracers::detail::instance3d::iterator&) [with UserDataType = gpuppur::material]' is private ã‚’ã‚¤ãƒ³ãƒ‡ãƒ³ãƒˆã™ã‚‹ã¨ src/gpuppur/cpu/cpu_raytracer.hpp:479: error: `void gpuppur::cpu_raytracer < UserDataType >::eras
dewdrop 2007/02/20
ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆã®ã‚ã‚Œã‚’ã†ã¾ã„ã“ã¨ã‚„ã‚‹

c++

gcc

debug
ãƒªãƒ³ã‚¯
Failmalloc
Welcome to failmalloc. This software generates a shared library which can be loaded by LD_PRELOAD or linked at compilation time. The idea behind failmalloc is to demonstrate what really happens if memory allocation fails. Unfortunately, most programs in this world are not robust, mostly because programmers are careless, but sometimes because programmers are too brave. Regardless of whatever reason
dewdrop 2006/08/05
mallocã‚’ã‚ã–ã¨å¤±æ•—ã•ã›ã‚‹ãƒ©ã‚¤ãƒ–ãƒ©ãƒª

c++

debug
ãƒªãƒ³ã‚¯
Cã®ãƒ—ãƒã‚°ãƒ©ãƒ ã®ä¸ã§ãƒ–ãƒ¬ãƒ¼ã‚¯ãƒã‚¤ãƒ³ãƒˆã‚’è¨å®šã™ã‚‹ - bkãƒ–ãƒã‚°
Cã®ãƒ—ãƒã‚°ãƒ©ãƒ ã®ä¸ã§ãƒ–ãƒ¬ãƒ¼ã‚¯ãƒã‚¤ãƒ³ãƒˆã‚’è¨å®šã™ã‚‹ Cã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ãƒ‡ãƒãƒƒã‚°ã™ã‚‹éš›ã«ã¯ GDB ãªã©ã®ãƒ‡ãƒãƒƒã‚¬ãŒå½¹ç«‹ã¡ã¾ã™ã€‚é€šå¸¸ã€ãƒ–ãƒ¬ãƒ¼ã‚¯ãƒã‚¤ãƒ³ãƒˆã¯ãƒ‡ãƒãƒƒã‚¬ã®ä¸ã‹ã‚‰è¨å®šã—ã¾ã™ãŒã€ãƒ‡ãƒãƒƒã‚°å¯¾è±¡ã®Cã®ãƒ—ãƒã‚°ãƒ©ãƒ ã®ä¸ã§è¨å®šã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã€‚ Linux ãªã‚‰ #include <signal.h> ã—ã¦ã€ä»»æ„ã®ç®‡æ‰€ã« raise(SIGTRAP); ã‚’æŒ¿å…¥ã™ã‚Œã° OK ã§ã™ã€‚ raise() é–¢æ•°ã‚’ç”¨ã„ã¦ SIGTRAP ã‚·ã‚°ãƒŠãƒ«ã‚’ç™ºç”Ÿã•ã›ã¦ã„ã¾ã™ã€‚ ã‚ã‚‹ã„ã¯ x86 é™å®šãªã‚‰ __asm__("int3"); ã§ã‚‚ OK ã§ã™ã€‚ã“ã“ã§ã¯ SIGTRAP ã‚’ç™ºç”Ÿã•ã›ã‚‹ãŸã‚ã« int3 (0xcc) å‘½ä»¤ã‚’åŸ‹ã‚è¾¼ã‚“ã§ã„ã¾ã™ã€‚GDB ã‚‚ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢çš„ã«ãƒ–ãƒ¬ãƒ¼ã‚¯ãƒã‚¤ãƒ³ãƒˆã‚’è¨å®šã™ã‚‹ã¨ãã¯å½“è©²ç®‡æ‰€ã« int3 ã‚’æ›¸ãè¾¼ã‚“ã§ã„ã‚‹ã®ã§ã€ã‚„ã£ã¦ã„ã‚‹ã“ã¨ã¯å‰²ã¨ä¼¼ã¦ã„ã¾ã™ (GDBã®å ´åˆã¯ int3 ã‚’æ›¸ãè¾¼ã‚€éƒ¨åˆ†ã®
dewdrop 2006/02/10
C

c++

debug
ãƒªãƒ³ã‚¯
IBM Developer
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
dewdrop 2005/11/10
linux

debug

c++
ãƒªãƒ³ã‚¯
1