JVM Deep Dive
Daniel Mitterdorfer, comSysto GmbH @dmitterd Behold! It will get scary. Topics Illusions by (J)VMs Interpreter JIT Compiler Memory Illusions Based on A JVM Does That??? Write Once, Run Anywhere One "Binary" for All Platforms Consistent Memory Model (Java Memory Model) Consistent Thread Model Bytecodes Are Fast (JITing) Infinite Heap (Garbage Collection) What "is" a JVM? The JVM is specified in The
Hotspot VMã®åŸºæœ¬æ§‹é€ ã‚’ç†è§£ã™ã‚‹
ãƒã‚¤ãƒ†ã‚£ãƒ–コンパイラã¯ã€é«˜é€Ÿã«å‹•ä½œã™ã‚‹ãƒã‚¤ãƒ†ã‚£ãƒ–コードã®å®Ÿè¡Œãƒ•ã‚¡ã‚¤ãƒ«ã‚’生æˆã—ã¾ã™ãŒã€Javaã®ãƒ¡ãƒªãƒƒãƒˆã§ã‚‚ã‚ã‚‹å‹•çš„ãªã‚¯ãƒ©ã‚¹ã®ãƒãƒ¼ãƒ‰ã«å¯¾å¿œã§ããªã„å ´åˆãŒã‚ã‚Šã¾ã™ã€‚今回ã®èª¬æ˜Žã®å¯¾è±¡ã¨ã—ã¦ã„ã‚‹ã®ã¯å‹•çš„コンパイラã§ã™ã€‚Javaã§ä½¿ã‚ã‚Œã¦ã„る動的コンパイラã¯ã€ãƒ¡ãƒ¢ãƒªä¸Šã«ã‚³ãƒ¼ãƒ‰ã‚’生æˆã™ã‚‹ã‚‚ã®ã§ã‚ã‚Šã€ã‚ã‚‹å½¢å¼ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’生æˆã™ã‚‹ã‚‚ã®ã§ã¯ã‚ã‚Šã¾ã›ã‚“。動的コンパイラã¯ä¸€èˆ¬ã«ã¯JIT（Just In Time）コンパイラã¨å‘¼ã°ã‚Œã¦ãŠã‚Šã€HotSpot VMã‚‚ã“ã®1ã¤ã§ã™ã€‚ ãƒã‚¤ãƒˆã‚³ãƒ¼ãƒ‰ã®è§£é‡ˆã¨å®Ÿè¡Œ åˆæœŸã®Java VMã¯ãƒã‚¤ãƒˆã‚³ãƒ¼ãƒ‰ã‚¤ãƒ³ã‚¿ãƒ—リタã®ã¿ã§ãƒã‚¤ãƒˆã‚³ãƒ¼ãƒ‰ã‚’実行ã—ã¦ãŠã‚Šã€å®Ÿè¡Œé€Ÿåº¦ãŒéžå¸¸ã«é…ã„ã¨ã„ã†å•é¡ŒãŒã‚ã‚Šã¾ã—ãŸã€‚ãã®å¾Œã€é«˜é€ŸåŒ–ã®ãŸã‚ã«å‹•çš„コンパイルã¨ã„ã†æŠ€è¡“ãŒå°Žå…¥ã•ã‚Œã€ç¾åœ¨ã®ã‚ˆã†ã«ãƒã‚¤ãƒˆã‚³ãƒ¼ãƒ‰ã‚¤ãƒ³ã‚¿ãƒ—リタã¨å‹•çš„コンパイラãŒä½µç”¨ã•ã‚Œã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã€‚HotSpot VMã‚‚ã“ã®æ–¹å¼ã§å‹•ä½œã—ã¾ã™ã€‚ 図9ã¯
JIT compilation in modern platforms – challenges and solutions
This document discusses just-in-time (JIT) compilation techniques in modern runtimes. It outlines two main approaches to JIT - method-based compilation and tracing JIT. It then describes specific techniques used in the HotSpot JVM, including its fast interpreter, two-tiered JIT compilation, runtime profiling, devirtualization, incremental compilation, on-stack replacement, escape analysis and scal
1
リリースã€éšœå®³æƒ…å ±ãªã©ã®ã‚µãƒ¼ãƒ“スã®ãŠçŸ¥ã‚‰ã›
最新ã®äººæ°—エントリーã®é…ä¿¡
処ç†ã‚’実行ä¸ã§ã™
j次ã®ãƒ–ックマーク
kå‰ã®ãƒ–ックマーク
lã‚ã¨ã§èªã‚€
eコメント一覧を開ã
oページを開ã
Solaris Essentials - General Technical Questions - Solaris on x86
{{#tags}}- {{label}}
{{/tags}}