Benchmarks: AMD64 vs i386 on Dual 246 Opteron
davidxu at freebsd.org
Sat Aug 6 23:53:05 GMT 2005
David Xu wrote:
> Peter Wemm wrote:
>> Mysql could also easily be affected by inefficiencies in the amd64
>> pthread libraries too.
> libthr on -CURRENT is very similar with Linux NPTL, think of NPTL's
> throughput, the inefficiencies might be in our kernel. Also the
> bottleneck in
> userland might be malloc which does belongs to thread library,
sorry for typo, malloc is in libc.
> Linux has
> ptmalloc which is thread friendly.
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