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- time()
-
:: ¥»¥Ã¥·¥ç¥ó³«»Ï¤«¤é¸½ºß¤Þ¤Ç¤Î CPU »þ´Ö¤ª¤è¤Ó GC »þ´Ö¤òɽ¼¨¤¹¤ë
- return
-
¥ê¥¹¥È
-
CPU »þ´Ö¤ª¤è¤Ó GC »þ´Ö¤Îɽ¼¨¤Ë´Ø¤¹¤ë¥³¥Þ¥ó¥É¤Ç¤¢¤ë.
-
GC »þ´Ö¤È¤Ï, ¥¬¡¼¥Ù¥¸¥³¥ì¥¯¥¿¤Ë¤è¤ê¾ÃÈñ¤µ¤ì¤¿¤È¸«¤Ê¤µ¤ì¤ë»þ´Ö,
CPU »þ´Ö¤Ï, Á´ÂΤΠCPU »þ´Ö¤«¤é GC »þ´Ö¤ò°ú¤¤¤¿»Ä¤ê¤Ç, ñ°Ì¤ÏÉäǤ¢¤ë.
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time() ¤Ï°ú¿ô¤Ê¤·¤Ç, ¥»¥Ã¥·¥ç¥ó³«»Ï¤«¤é¸½ºß¤Þ¤Ç¤Î CPU »þ´Ö,
GC »þ´Ö, ¸½ºß¤Þ¤Ç¤ËÍ׵ᤵ¤ì¤¿¥á¥â¥ê¤Î¤Î¤ÙÍÆÎÌ, ¤ª¤è¤Ó¥»¥Ã¥·¥ç¥ó³«»Ï¤«¤é
¸½ºß¤Þ¤Ç¤Î·Ð²á»þ´Ö¤Îɽ¼¨¤ò¤¹¤ë.
¤¹¤Ê¤ï¤Á, [CPU »þ´Ö (ÉÃ), GC »þ´Ö (ÉÃ), ¥á¥â¥êÎÌ (¥ï¡¼¥É), ·Ð²á»þ´Ö (ÉÃ)]
¤Ê¤ë¥ê¥¹¥È¤òÊÖ¤¹. 1 ¥ï¡¼¥É¤ÏÄ̾ï 4 ¥Ð¥¤¥È¤Ç¤¢¤ë.
-
·×»»¤Î¼Â¹Ô³«»Ï»þ, ½ªÎ»»þ¤Î
time() ¤«¤é, ¤½¤Î·×»»¤ËÂФ¹¤ë
CPU »þ´Ö, GC »þ´Ö¤¬¤ï¤«¤ë.
-
¥á¥â¥êÎ̤Ï¿ÇÜĹ¿ô¤Ç¤Ï¤Ê¤¤¤¿¤á, ¤¢¤ëÃͤò±Û¤¨¤ë¤È̵°ÕÌ£¤ÊÃͤȤʤ뤿¤á
¤¢¤¯¤Þ¤Ç¤âÌܰ¤Ȥ·¤ÆÍѤ¤¤ë¤Ù¤¤Ç¤¢¤ë.
-
ctrl() ¤ä cputime() ¤Ë¤è¤ê cputime ¥¹¥¤¥Ã¥Á¤¬
on ¤Ë¤Ê¤Ã¤Æ¤¤¤ë¾ì¹ç¤Ë¤Ï, ¥È¥Ã¥×¥ì¥Ù¥ë¤Îʸ¤ò°ì¤Ä¤Îñ°Ì¤È¤·¤Æ,
¤½¤Î¼Â¹Ô»þ´Ö¤¬É½¼¨¤µ¤ì¤ë. ¤·¤«¤·, ¥×¥í¥°¥é¥à¤ÎÆâÉô¤Ê¤É¤Ç, ÆÃÄê¤Î
·×»»¤ËÂФ¹¤ë·×»»»þ´Ö¤òÃΤꤿ¤¤»þ¤Ë¤Ï, time() ¤Ê¤É¤ò»È¤¦
ɬÍפ¬¤¢¤ë.
-
getrusage() ¤¬»È¤¨¤ë UNIX ¾å¤Ç¤Ï time() ¤Ï¿®ÍêÀ¤Î¤¢¤ëÃÍ
¤òÊÖ¤¹¤¬, Windows 95, 98 ¾å¤Ç¤Ï»þ¹ï¤òÍѤ¤¤ë¤Û¤«ÊýË¡¤¬¤Ê¤¤¤¿¤á·Ð²á»þ´Ö¤½¤Î¤â¤Î
¤¬É½¼¨¤µ¤ì¤ë. ¤è¤Ã¤Æ, ÂÔ¤Á¾õÂÖ¤¬¤¢¤ë¤È, ¤½¤ì¤â·Ð²á»þ´Ö¤Ë²Ã»»¤µ¤ì¤ë.
[72] T0=time();
[2.390885,0.484358,46560,9.157768]
[73] G=hgr(katsura(4),[u4,u3,u2,u1,u0],2)$
[74] T1=time();
[8.968048,7.705907,1514833,63.359717]
[75] ["CPU",T1[0]-T0[0],"GC",T1[1]-T0[1]];
[CPU,6.577163,GC,7.221549]
- »²¾È
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section
cputime , tstart , tstop .
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