tag 439827 upstream forwarded 439827 [EMAIL PROTECTED] thanks This performance regression was reported for the new grep upload.
On Tue, Aug 28, 2007 at 04:51:07PM +0200, Gabor Gombas wrote: > Package: grep > Version: 2.5.3~dfsg-1 > Severity: important > > > Hi, > > After upgrading grep to 2.5.3~dfsg-1: > > $ time grep '^foo b' bar >/dev/null > > real 0m34.745s > user 0m34.522s > sys 0m0.032s > > While in a 32-bit chroot on the same machine, same package version, same > input file: > > $ time grep '^foo b' bar >/dev/null > > real 0m0.123s > user 0m0.120s > sys 0m0.000s > > Both cases are cache-hot representative values of multiple measurements. > The file searched is a ~30 MiB textfile. Up until yesterday the 64-bit > version was a little faster... IMHO this nearly 300x slowdown makes 'grep' > practically unusable for any serious work on AMD64. > > Gabor > > -- System Information: > Debian Release: lenny/sid > APT prefers unstable > APT policy: (990, 'unstable'), (500, 'stable'), (101, 'experimental') > Architecture: amd64 (x86_64) > > Kernel: Linux 2.6.22.1 > Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) > Shell: /bin/sh linked to /bin/dash > > Versions of packages grep depends on: > ii libc6 2.6.1-1 GNU C Library: Shared libraries -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
