Mark Mitchell wrote:
FP performance regressions of the recent GCC 4.2 (revision 120817)
compiler against September GCC 4.2 (revision 116799)
What does that translate to in terms of overall score?
Hi,
This is 4.7% drop of SPECfp_base2006 ratio (geomean of individual FP
ratios).
Here is the full set of changes in cpu2k6/fp performance of GCC 4.2
compiler between r116799 and r120817, measured on Intel Core2 Duo at -O2
optimization level.
410.bwaves -6.3%
416.gamess -0.7%
433.milc -7.0%
434.zeusmp 0.0%
435.gromacs -0.4%
436.cactusADM -1.1%
437.leslie3d -25.4%
444.namd 0.0%
447.dealII -1.4%
450.soplex -3.9%
453.povray 0.0%
454.calculix -0.3%
459.GemsFDTD -18.3%
465.tonto -2.5%
470.lbm -4.1%
481.wrf -2.7%
482.sphinx3 -1.2%
SPECfp_base2006 -4.7%
- Grigory
