.. just as a data point - there was a thread a while ago about numeric processing performance on linux vs bsd.
It all boiled down to how jemalloc versus the linux allocator(s) allocate blocks. jemalloc will page align things after a certain size. Linux didn't. So when doing numeric processing, there was a lot of cache aliasing going on leading to inefficient cache usage and redundant memory operations. When the same workload on Linux was run on FreeBSD but with the Linux library/allocators, the performance was identical. No-one followed through. I think I may have to write a blog post about it. -adrian _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
