Somethings wrong with the random numbers from the sun... re-run them, that first sample is insane.... Caching looks like it's affecctign your results alot...
Mark Pritchard wrote: >I threw together the attached program (compiles fine with gcc 2.95.2 on >Solaris 2.6 and egcs-2.91.66 on RedHat Linux 6.2) and ran it a few >times. Data is below. Usual disclaimers about hastily written code etc >:) > >Machine = ghoul (generic intel, 384mb ram, dual p3-800, ide disk running >dma) > >Sequential >Bytes Read Time Bytes / Sec >536870912 27.14 19783933.74 >536870912 27.14 19783990.60 >536870912 27.11 19801872.14 >536870912 26.92 19942928.41 >536870912 27.31 19657408.43 > 19794026.66 (avg) > >Random >Bytes Read Time Bytes / Sec >1073741824 519.57 2066589.21 >1073741824 517.78 2073751.44 >1073741824 516.92 2077193.23 >1073741824 513.18 2092333.29 >1073741824 510.68 2102579.88 > 2082489.41 (avg) > >Machine = jedi (Sun E420, 3gb ram, dual 400s, test on single scsi disk) > >Sequential >Bytes Read Time Bytes / Sec >2097152000 65.19 32167675.28 >2097152000 65.22 32154114.65 >2097152000 65.16 32182561.99 >2097152000 65.12 32206105.12 >2097152000 64.67 32429463.26 > 32227984.06 (avg) > >Random >Bytes Read Time Bytes / Sec >4194304000 1522.22 2755394.79 >4194304000 278.18 15077622.05 >4194304000 91.43 45874730.07 >4194304000 61.43 68273795.19 >4194304000 54.55 76890231.51 > 41774354.72 > >If I interpret Tom's "divide" instruction correctly, is that a factor of >10 on the linux box? > ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
