Date: Sat, 17 Sep 2005 16:44:59 -0400 From: "Douglas F. Calvert" <douglasfcalvert@...il.com> To: john-users@...ts.openwall.com Subject: Suggestions for XEON performance? Hello, I am a little surprised with the performance of john on the XEON (proc/cpuinfo is attached at the bottom) and linux. I guess I expected the performance to be much better on the XEON than it is. Maybe I am doing something wrong with my compilation. Does anyone have any reccomendations for which target to build? I have been using linux-x86-mmx-elf. The gentoo safe cflags wiki lists a few optimizations for the gcc on the XEON but they made it a little slower: CFLAGS="-march=nocona -O2 -fomit-frame-pointer -mmmx -msse2 -mfpmath=sse -pipe" Were my expectations too high for the XEON? Also should I use gcc 3.4 or 4.0? john is works wonderfully and is definitely fast enough I was just under the impression that I was going to see a bigger speed boost... Thanks a lot... ###cpuinfo### processor : 3 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 2.80GHz stepping : 1 cpu MHz : 2793.336 cache size : 1024 KB physical id : 3 siblings : 2 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm pni monitor ds_cpl cid cx16 xtpr bogomips : 5586.94 -- --dfc douglasfcalvert@...il.com
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.