Bug#709756: (libc6 2.17 performance slowdown)

2014-06-16 Thread Andrew M. Bishop
Aurelien Jarno writes: > On Sun, Jun 02, 2013 at 04:53:35PM +0100, Andrew M. Bishop wrote: >> I have done some more investigation and the cause of the slowdown >> appears to be this bug-fix to eglibc: >> >> http://sourceware.org/bugzilla/show_bug.cgi?id=13658 >> Other people are reporting the s

Bug#709756: (libc6 2.17 performance slowdown)

2014-06-06 Thread Aurelien Jarno
On Sun, Jun 02, 2013 at 04:53:35PM +0100, Andrew M. Bishop wrote: > I have done some more investigation and the cause of the slowdown > appears to be this bug-fix to eglibc: > > http://sourceware.org/bugzilla/show_bug.cgi?id=13658 > > My (possibly biased) summary of this change is that one user r

Bug#709756: (libc6 2.17 performance slowdown)

2013-06-02 Thread Andrew M. Bishop
I have done some more investigation and the cause of the slowdown appears to be this bug-fix to eglibc: http://sourceware.org/bugzilla/show_bug.cgi?id=13658 My (possibly biased) summary of this change is that one user reported inaccurate sincos results for very large numbers so the eglibc library

Bug#709756: libc6 2.17 performance slowdown

2013-05-25 Thread Andrew M. Bishop
Package: libc6 Version: 2.17-3 Severity: important Version 2.17-3 of libc6 in testing is significantly slower than version 2.13-38 in stable. Installing only the updated libc6 and dependent packages causes a slowdown of up to 50% in parts of a benchmark test. The tests below were run on a Virtua