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Can anyone run this on a HT-enabled system ?
In article ,
Oliver S. wrote: | I just tried on a dual 2.8 GHz Xeon machine: It failed. | | Failed ? | Do you mean that it reports that the unlocked CMPXCHG isn't atomic ? | | I guess you only considered the case of a single HT-enabled cpu, not one | where the two threads could just as easily end up on separate processors? | | Exactly; distinguishing logical from physical CPUs is only possible | with Windows Server 2003 (although there's some hair-rising trick to | do that with all former SMP-capable Windows-versions ;-)). If a program depends on the o/s to tell the truth about the processor it's guessing... a correct test will return valid information for any o/s. No, I don't have one handy for you, but see the Linux source code. -- Bill Davidsen CTO, TMR Associates As we enjoy great advantages from inventions of others, we should be glad of an opportunity to serve others by any invention of ours; and this we should do freely and generously. -Benjamin Franklin (who would have liked open source) |
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