Date: Thu, 02 Feb 1995 14:28:23 -0800 From: David Greenman <davidg@Root.COM> To: Bruce Evans <bde@zeta.org.au> Cc: hackers@freefall.cdrom.com Subject: Re: Optimizing CVS? Message-ID: <199502022228.OAA01651@corbin.Root.COM> In-Reply-To: Your message of "Thu, 02 Feb 95 16:47:16 %2B1100." <199502020547.QAA02136@godzilla.zeta.org.au>
next in thread | previous in thread | raw e-mail | index | archive | help
>>In effect, you are testing system call + copyout time rather than system >>call + fetch + copyout time. > >Nope. The syscall + copyout time are relatively small. The leaf >routines that take the longest time are bcmp() (presumably for caching >- 48 bcmp's per stat(), and our kernel bcmp() is the slow C version!) >and user() (this is for all user time; presumably it's mostly for >printf). The bcmp() is implemented as assembly in support.s. Why do think it is the slow C version? -DG
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199502022228.OAA01651>