Bruno Haible wrote:
Hi,Here's a case of a function whose compilation with -O2 -g (the default with autoconf) on Linux/x86 has slowed down by 67% since the 4.2.2 release. $ time gcc -c -O2 -g -Wall sha512.c Measured user time. gcc 3.2.2 42.2 sec gcc 3.3.6 71 sec gcc 3.4.4 29.0 sec gcc 4.0.4 24.5 sec gcc 4.1.2 12.6 sec gcc 4.2.2 10.7 sec gcc 4.3-20080215 17.9 sec
Was it configured with --enable-checking=release? You really should do that if you want a fair comparison.
David Daney
