On Tuesday 20 June 2006 10:55, Matthew Robinson wrote: > Francesco Pietra wrote: > > Forgot to say: > > > > $ uname -a > > Linux deb64 2.6.15-1-amd64-k8-smp #2 date > > ________________ > > > > mpqc 2.3.0-1, running on amd64 etch debian, sees only one processor, > > while there are two. > > > > I posed the question also to the mpqc list but, in the meantime, I wonder > > wether there is anything general to do with debian. > > > > Mother bowrd Tyan K8WE S 2895, two 265 dual opteron, all eight slots of > > ram filled (1 GB each) > > > > At computer on: > > CPU0=Dual Core amd64 opteron 265 > > CPU1=Dual Core amd64 opteron 265 > > > > All ram detected (also, subsequently, with top command) > > > > However, runs with mpqc (that end successfully) report: > > Using ProcMessageGrp for message passing (number of nodes = 1). > > Using PthreadThreadGrp for threading (number of threads = 1). > > Using ProcMemoryGrp for distributed shared memory. > > Total number of processors = 1 > > > > As far as I understand, on the general command > > $ mpqc filename.inp | tee filename.ou > > all available processor should be detected. > > > > What can be done from the debian general point of view of checking > > processors? > > > > Thanks for helping. > > > > Cheers > > > > francesco pietra > > cat /proc/cpuinfo
Thank you (thanks also for another similar message that has gone lost: two keyboards, too much). Please, see the attached file cpuinfo on the commad that you suggested. Why three cpu and not two or four? francesco > > This will show each core as a separate CPU
processor : 0 vendor_id : AuthenticAMD cpu family : 15 model : 33 model name : Dual Core AMD Opteron(tm) Processor 265 stepping : 2 cpu MHz : 1808.364 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni lahf_lm cmp_legacy bogomips : 3619.06 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp processor : 1 vendor_id : AuthenticAMD cpu family : 15 model : 33 model name : Dual Core AMD Opteron(tm) Processor 265 stepping : 2 cpu MHz : 1808.364 cache size : 1024 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni lahf_lm cmp_legacy bogomips : 3616.17 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp processor : 2 vendor_id : AuthenticAMD cpu family : 15 model : 33 model name : Dual Core AMD Opteron(tm) Processor 265 stepping : 2 cpu MHz : 1808.364 cache size : 1024 KB physical id : 1 siblings : 2 core id : 0 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni lahf_lm cmp_legacy bogomips : 3616.17 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp processor : 3 vendor_id : AuthenticAMD cpu family : 15 model : 33 model name : Dual Core AMD Opteron(tm) Processor 265 stepping : 2 cpu MHz : 1808.364 cache size : 1024 KB physical id : 1 siblings : 2 core id : 1 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni lahf_lm cmp_legacy bogomips : 3616.16 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp

