Author: Eugene Nalimov
Date: 12:02:20 01/18/99
Go up one level in this thread
On January 17, 1999 at 17:40:22, Vincent Diepeveen wrote: >On January 16, 1999 at 18:31:18, Rajen Gupta wrote: > >>I recently built a new computer with 128megs ram and the celeron 300A processor >>(great buy at £60)which i have successfully overclocked to 450 MHz.It has been >>running stable at this speed (I ran F5 and CM5000 simultaneously, continuously >>overnight for last 3 nights to test the stability of the overclocked chip.) I >>got the following values for fritz mark and junior mark: > >Depends upon the program you run. Small programs fit in the 300A already >big programs don't. > >For DIEP a celeron 300A at 450Mhz performs like a PII at 266Mhz. >An alpha 633Mhz 21164 (using gnu-c compiler) performs like a PII at 360Mhz. > >Both i blame slow or small L2 cache size. > For Alpha blame GNU C. According to the discussions in comp.arch, " The general rule of thumb seems to be that integer apps compiled for Alpha under gcc run at about 70% of the speed possible with DEC's DU compiler." Eugene > > > >>FRITZ MARK short 316 KN/sec=392 (16 Mb hash tables) >> >>FRITZ MARK long 291 KN/sec=434 (96Mb hash tables) >> >>JUNIOR MARK short 307 KN/sec=381 (20 mb hash tables) >> >>JUNIOR MARK long 332 Kn/sec 373 (96mb hash tables) I wonder how these values >>compare with a genuine pentium ll 450 or 400 MHz or even a top of the line AMD >>K6? would the extra 512 kb of cache running at 1/2 speed out perform 128 kb >>running at full speed? I wonder if people with such systems could let me know? >>even perhaps a comparison could be made between Cel A vs pentium ll vs AMD for >>different programmes. Interestingly CM5000 calculates 25-28000 posn with every >>blink.I'll try to boost this chip to 500mhz and if it runs stable I'll post >>figures at this speed as well. >> >>Rajen Gupta
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.