Thanks for the answers... I am creating an environment with multiple virtual servers, my main concern is whether I have a noticeable loss of performance because of this problem, if the answer is yes I will find another solution for my host server. 2010/8/2 Ulrich Drepper <drepper@xxxxxxxxxx>: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 08/02/2010 05:51 AM, Andre Przywara wrote: >> Do you have a use case for the cache size or is this just out of curiosity? > > glibc uses the cache size information returned by cpuid to perform > optimizations. For instance, copy operations which would pollute too > much of the cache because they are large will use non-temporal > instructions. There are real performance benefits. Even the synthetic > CPU provided by qemu should have a more realistic value. > > - -- > ➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖ > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.14 (GNU/Linux) > > iEYEARECAAYFAkxWzPsACgkQ2ijCOnn/RHQ2JwCeJsgXHxkWG/PYS8JQRiGM1UFF > m78Ani9kmnKJyru/wh764NSgHSQx+WjU > =6qet > -----END PGP SIGNATURE----- > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
