tried WCPUID to identify the chip? http://www.h-oda.com/ http://hp.vector.co.jp/authors/VA002374/src/download.html
-brian On Wed, Jun 12, 2002 at 04:53:18PM -0700, Bockhorst, Roland P HQISEC wrote: > > > I think my P4 is running like a P III, at one third speed doing Mersenne > Prime testing. > > When I run Prime95v22 it reports my P4 as .... CPU features: RDTSC, CMOV, > PREFETCH, MMX > > If I change the CPUtype to 12 (P4) and add SSE to the local.ini file, as in > ... CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE nothing changes. > > If I change SSE to SSE2 the system crashes with an illegal instruction > message. > > I am running Prime 95 on a 256 meg. P4-1600 with 8k L1 and 256K L2 on > Windows 95A > > > I'm entertaining these theories: > > Windows 95a without drivers? doesn't support a P4. (Is it being asked to?) > I don't really have a P4. (I bought this system expecting P4 performance > running Prime95) > L1 cache too small. > L2 cache too small > > Something else. > > Comments/theories/assertions/wild hairs are invited. > > > > My best times my P4 1600 256 meg 133SDRAM > Best time for 256K FFT length: 57.218 ms. > Best time for 320K FFT length: 71.299 ms. > Best time for 384K FFT length: 86.423 ms. > Best time for 448K FFT length: 102.487 ms. > Best time for 512K FFT length: 115.680 ms. > Best time for 640K FFT length: 148.042 ms. > Best time for 768K FFT length: 184.596 ms. > Best time for 892K FFT length: 214.233 ms. > Best time for 1024K FFT length: 250.226 ms. > Best time for 1280K FFT length: 320.198 ms. > Best time for 1536K FFT length: 386.440 ms. > Best time for 1792K FFT length: 467.666 ms. > > >From the Benchmark site > P4 1500 133SDRAM 256 Full > 0.019 0.024 0.030 0.035 0.040 0.052 0.063 0.079 0.087 0.120 0.154 0.196 > 19 24 30 35 40 52 63 79 87 120 154 196 Mersenne benchmark times from > http://www.mersenne.org\bench.htm > > > P III 1 gig times are below > > Intel(R) Pentium(R) III processor > CPU speed: 996.59 MHz > CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE > L1 cache size: 16 KB > L2 cache size: 256 KB > L1 cache line size: 32 bytes > L2 cache line size: 32 bytes > TLBS: 64 > Prime95 version 22.3, RdtscTiming=1 > Best time for 256K FFT length: 54.165 ms. > Best time for 320K FFT length: 70.726 ms. > Best time for 384K FFT length: 84.818 ms. > Best time for 448K FFT length: 101.149 ms. > Best time for 512K FFT length: 114.412 ms. > Best time for 640K FFT length: 148.319 ms. > Best time for 768K FFT length: 180.532 ms. > Best time for 896K FFT length: 212.317 ms. > Best time for 1024K FFT length: 243.061 ms. > Best time for 1280K FFT length: 315.420 ms. > Best time for 1536K FFT length: 377.044 ms. > Best time for 1792K FFT length: 448.984 ms. > > > _________________________________________________________________________ > Unsubscribe & list info -- http://www.ndatech.com/mersenne/signup.htm > Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers -- --===-----=======-----------=============-----------------=================== bjp aka rbw | and did you exchange a walk on part in the war [EMAIL PROTECTED] | for a lead role in a cage? ===================-----------------=============-----------=======-----===-- _________________________________________________________________________ Unsubscribe & list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers
