On Wed, Jan 13, 2010 at 12:06 PM, Jaap Spies <[email protected]> wrote: > Gonzalo Tornaria wrote: >> >> On Wed, Jan 13, 2010 at 11:43 AM, Jaap Spies<[email protected]> wrote: >>> >>> gcc version 4.4.2 20091222 (Red Hat 4.4.2-20) (GCC) >>> **************************************************** >>> checking build system type... x86_64-unknown-linux-gnu >>> checking host system type... x86_64-unknown-linux-gnu >> >> Still misdetected, it should be "nehalem-unknown-linux-gnu" for >> optimal results if you are running on an i7. But that is probably be a >> virtualbox issue. >> > > Not quite. In Fedora 12 on the real machine I get: > gcc version 4.4.2 20091222 (Red Hat 4.4.2-20) (GCC) > **************************************************** > checking build system type... x86_64-unknown-linux-gnu > checking host system type... x86_64-unknown-linux-gnu
Then that needs to be fixed with mpir itself. Can you copy cpu family, model and flags from /proc/cpuinfo? I'm think yours is a model 30 nehalem which is currently undetected by mpir. CC to mpir-devel as this needs to be fixed in cpuid.c The processor in question is a core i7 860, namely: http://processorfinder.intel.com/details.aspx?sSpec=SLBJJ# [ afaict, the main difference of the i7 800 series wrt the i7 900/xeon 5500 series is the former has 2 memory channels vs. the latter 3 memory channels ] Gonzalo
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