On Mar 6, 7:55 am, Cactus <rieman...@googlemail.com> wrote:
> On Mar 6, 12:44 am, Jeff Gilchrist <jeff.gilchr...@gmail.com> wrote:
>
>
>
> > Thanks to Jason's recommendation, I was finally able to get a 64bit
> > Linux distro working on my Core2 machine so I have now been able to
> > benchmark MPIR in Linux and Vista 64bit on the same machine.
>
> > I have attached the miprbench and speed test results for both
> > operating systems. There is definitely a difference between the two.
> > Vista 64bit = MPIRbench result: 11985.85
> > Linus 64bit = MPIRbench result: 13172
>
> > Some of the speed timings are quite different, but the
> > mpn_mul_basecase more more similar than the rest.
>
> > Processor info:
>
> > processor : 0
> > vendor_id : GenuineIntel
> > cpu family : 6
> > model : 23
> > model name : Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz
> > stepping : 7
> > cpu MHz : 3399.860
> > cache size : 6144 KB
> > physical id : 0
> > siblings : 4
> > core id : 0
> > cpu cores : 4
> > apicid : 0
> > initial apicid : 0
> > fpu : yes
> > fpu_exception : yes
> > cpuid level : 10
> > 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 syscall nx
> > lm constant_tsc arch_perfmon pebs bts rep_good nopl pni monitor ds_cpl
> > vmx smx est tm2 ssse3 cx16 xtpr sse4_1 lahf_lm
> > bogomips : 6799.72
> > clflush size : 64
> > cache_alignment : 64
> > address sizes : 36 bits physical, 48 bits virtual
> > power management:
>
> > mpirbench_Q9550_3.4GHz_Linux64.txt
> > 2KViewDownload
>
> > mpirbench_Q9550_3.4GHz_Vista64.txt
> > 2KViewDownload
>
> > speed_Q9550_3.4GHz_Linux64.txt
> > 11KViewDownload
>
> > speed_Q9550_3.4GHz_Vista64.txt
> > 12KViewDownload
>
> Hi Jeff
>
> I am really grateful for your efforts on this. It has clearly cost
> you a lot of time but I assure you it is really appreciated.
>
> I am now updating the graphs and it seems that mpn_add_n is odd on
> Windows. As it happens I am worrying about this already so I will
> hopefully be able to track it down
>
> I will update the mpn_add_n graph now and the others later.
>
> Brian
All the graphs now updated. The Linux and Windows on the same machine
are the thicker dashed lines.
Brian
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