On Fri, Nov 26, 2010 at 10:35:37AM +0200, Kirill A. Shutemov wrote: > On Fri, Nov 26, 2010 at 12:04:23AM +0200, Kirill A. Shutsemov wrote: > > > > Tested on Intel Core2 Duo P9500, 3GiB RAM. i586. > > apt-shell < /dev/null [...] > Around 41% of speed up. On AMD Opteron Processor 275: without patches: 2.98user 0.19system 0:03.18elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+10142minor)pagefaults 0swaps with patches: 2.20user 0.21system 0:02.42elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+9978minor)pagefaults 0swaps speedup is around 24% On AMD Opteron Processor 2216: without patches: 2.42user 0.02system 0:02.44elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+9784minor)pagefaults 0swaps with patches: 1.86user 0.02system 0:01.88elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+9601minor)pagefaults 0swaps speedup is around 23% On Intel Xeon 5110 without patches: 2.98user 0.04system 0:03.02elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+9789minor)pagefaults 0swaps with patches: 2.54user 0.01system 0:02.55elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+9608minor)pagefaults 0swaps speedup is around 16% On Intel Xeon E5520 without patches: 2.02user 0.00system 0:02.02elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+9730minor)pagefaults 0swaps with patches: 1.77user 0.00system 0:01.77elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+9565minor)pagefaults 0swaps speedup is around 12% Not so amazing as on your test platform, but awesome anyway. I'm going to apply these patches. If anybody has objections, please speak up now. -- ldv