IBM developer Steve Munroe has started a project to implement processor-specific optimizations for the GNU C Library (glibc). From his announcement: “The implementation in glibc mainline leaves a lot of performance on the table because that source must be safe and reasonable to run on any processor for that architecture.” He currently has optimizations for memcpy, memcmp, and memset on POWER4 and POWER5, with impressive results. Check it out and contribute code for your favorite PowerPC!

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