HJ, I'll run the three worst offenders below and get back to y'all.
The full results will take longer. -- _______________________________________________________ Evandro Menezes AMD Austin, TX > -----Original Message----- > From: H. J. Lu [mailto:[EMAIL PROTECTED] > Sent: Friday, December 08, 2006 12:06 > To: gcc@gcc.gnu.org > Cc: Menezes, Evandro; [EMAIL PROTECTED] > Subject: Serious SPEC CPU 2006 FP performance regressions on IA32 > > Gcc 4.3 revision 119497 has very poor SPEC CPU 2006 FP performance > regressions on P4, Pentium M and Core Duo, comparing aganst > gcc 4.2 20060910. With -O2, the typical regressions look like > > Gcc 4.2 Gcc 4.3 > 410.bwaves 9.89 9.14 -7.58342% > 416.gamess 7.17 7.16 -0.13947% > 433.milc 7.68 7.65 -0.390625% > 434.zeusmp 5.57 5.55 -0.359066% > 435.gromacs 3.99 4.02 0.75188% > 436.cactusADM 4.59 4.50 -1.96078% > 437.leslie3d 5.78 3.98 -31.1419% > 444.namd 6.25 6.18 -1.12% > 447.dealII 11.3 11.3 0% > 450.soplex 8.61 8.59 -0.232288% > 453.povray 6.70 6.72 0.298507% > 454.calculix 2.81 2.74 -2.4911% > 459.GemsFDTD 6.07 4.95 -18.4514% > 465.tonto 4.44 4.45 0.225225% > 470.lbm 10.6 10.7 0.943396% > 481.wrf 4.56 4.50 -1.31579% > 482.sphinx3 11.2 11.1 -0.892857% > Est. SPECfp_base2006 6.42 6.15 -4.20561% > > Evandro, what do you get on AMD? > > Is that related to recent i386 backend FP changes? > > > H.J. > > >
