DEC Alpha到底有多快？# Unix - 噫吁兮，危乎高哉
y*i
1 楼
系里有一台97年的Alpha, float point is 189 million / second,
好像和我的PII-400差不多吧，why charge me $2.5 per cpu hour
!?
好像和我的PII-400差不多吧，why charge me $2.5 per cpu hour
!?
z*u
2 楼
depends. 21164's about the same speed as pII. 21264 are at
least twice as fast. if you're using dec osf, you can tell
which one you're using by '/usr/sbin/psrinfo -v'. Also it's
compiler dependent. On 264, it's huge difference between
'cc -fast -arch ev6 -tune ev6' vs. 'gcc -O3 -whatever'.
【在 y**i 的大作中提到】
: 系里有一台97年的Alpha, float point is 189 million / second,
: 好像和我的PII-400差不多吧，why charge me $2.5 per cpu hour
: !?
least twice as fast. if you're using dec osf, you can tell
which one you're using by '/usr/sbin/psrinfo -v'. Also it's
compiler dependent. On 264, it's huge difference between
'cc -fast -arch ev6 -tune ev6' vs. 'gcc -O3 -whatever'.
【在 y**i 的大作中提到】
: 系里有一台97年的Alpha, float point is 189 million / second,
: 好像和我的PII-400差不多吧，why charge me $2.5 per cpu hour
: !?
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