On 05/28/2014 04:26 PM, Henry Vermaak wrote:
- The rdtsc instruction needs to be protected from out of order execution. Some people use cpuid, which is expensive. It looks like the linux kernel uses mfence or lfence/mfence depending on CPU type.
... meaning the current version of incorrect ?!?!? What would the effect of ignoring this = ? Things like this is why I'd rather use dVSO. -Michael _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
