AS/400¿¡¼­ ÀÀ¿ëÇÁ·Î±×·¥ ÇÁ·ÎÆÄÀϸµ ½Ã Á¦ÇÑ»çÇ×

AS/400 JVMPI ¸Þ¼Òµå ÀÔ·Â ¹× ¸Þ¼Òµå Á¾·á Á¦ÇÑ»çÇ×

¸Þ¼Òµå ÀÔ·Â/Á¾·á À̺¥Æ®´Â ÃÖÀûÈ­ ·¹º§ 40 DE(Direct Execution) ÄÚµå¿ëÀ¸·Î ±¸ÇöµÇÁö ¾Ê¾Ò½À´Ï´Ù. ÀÌ´Â JDK ÄÚµåÀÇ ±âº» ¸ðµåÀÔ´Ï´Ù. JDK Ŭ·¡½º¿¡ À̵é À̺¥Æ®°¡ ÇÊ¿äÇÑ °æ¿ì, ÀÀ¿ëÇÁ·Î±×·¥À» JIT ¶Ç´Â ÇØ¼® ¸ðµå·Î ½ÇÇàÇϽʽÿÀ. iSeries JVM¿¡ ´ëÇÑ ±âº» ¸ðµå´Â È¥ÇÕ ¸ðµåÀÔ´Ï´Ù. Áï, DE Äڵ尡 Á¸ÀçÇϸé À̸¦ »ç¿ëÇÕ´Ï´Ù. ±×·¸Áö ¾ÊÀ¸¸é, JIT´Â ÇÊ¿äÇÑ ´ë·Î Äڵ带 »ý¼ºÇÕ´Ï´Ù. ´õ ÀÚ¼¼ÇÑ JIT Á¤º¸´Â AS/400¿¡ ´ëÇÑ JVMPI ½ºÆåÀÇ ½ÃÀÛ Á¤º¸¸¦ ÂüÁ¶ÇϽʽÿÀ.

DE(Direct Execution)°¡ »ç¿ë °¡´ÉÇÑ ÇÁ·ÎÆÄÀϸµÀº ¿¹±âÄ¡ ¾ÊÀº °á°ú°¡ ³ªÅ¸³¯ ¼ö ÀÖ½À´Ï´Ù.

ƯÁ¤ Ŭ·¡½º¿¡ ´ëÇØ DE ¸ðµå¸¦ »ç¿ë °¡´ÉÇÏ°Ô Çϰí ÇÁ·ÎÆÄÀϸµÇÒ °æ¿ì ¿¹±âÄ¡ ¾ÊÀº °á°ú·Î ³ªÅ¸³¯ ¼ö Àִµ¥, ƯÈ÷ ½ÇÇà ½Ã°£ ºÐ¼® ¿É¼ÇÀ» »ç¿ë °¡´ÉÇÏ°Ô Çϰí ÇÁ·ÎÆÄÀϸµÇÏ´Â °æ¿ìÀÔ´Ï´Ù. ¿¹¸¦ µé¸é, ´ÙÀ½°ú °°½À´Ï´Ù.

STACK_INFORMATIONÀº NONE ÀÌ¿ÜÀÇ ´Ù¸¥ ¹®¼­È­µÈ °ª(STACK_INFORMATION=normal
¶Ç´Â STACK_INFORMATION=contiguous µî) Áß Çϳª¸¦ °¡Áö¸ç, TRACE_MODE´Â NONE¿Í µ¿ÀÏÇÏÁö ¾Ê½À´Ï´Ù.

»ç¿ëÀÚ´Â VM Àμö '-Dos400.enbpfrcol=1 -Djava.compiler=jitc'¸¦ »ç¿ëÇÑ JIT ¸ðµå ¶Ç´Â VM Àμö '-interpret'¸¦ »ç¿ëÇÑ ÇØ¼® ¸ðµå¿¡¼­¸¸ ÇÁ·ÎÆÄÀÏÇØ¾ß ÇÕ´Ï´Ù.

°ü·Ã °³³ä
ÇÁ·ÎÆÄÀϸµ µµ±¸ °³¿ä
ÇÁ·ÎÆÄÀϸµ ¸ð´ÏÅÍ º¸±â

°ü·Ã Ÿ½ºÅ©
ÀÀ¿ëÇÁ·Î±×·¥ ÇÁ·ÎÆÄÀϸµ

°ü·Ã ÂüÁ¶
ÇÁ·ÎÆÄÀϸµ ÀÚ¿ø