On Tue, 2009-06-02 at 23:53 +0900, Atsushi Ogawa wrote:
> I made a faster version of AllocSetFreeIndex for x86 architecture.
> Results of benchmark script:
> Xeon(Core architecture), RedHat EL4, gcc 3.4.6
> bytes : 4 8163264 128 256 512 1024 mix
> original: 0.780
Hi,
> I made a faster version of AllocSetFreeIndex for x86 architecture.
Neat, I have a version for PowerPC too.
In order to prevent writing multiple copies of AllocSetFreeIndex, I
propose that we add a fls() function ("find last set"); this can be
defined in an architecture-independent manner
Hi,
I made a faster version of AllocSetFreeIndex for x86 architecture.
Attached files are benchmark programs and patch file.
alloc_test.pl: benchmark script
alloc_test.c: benchmark program
aset_free_index.patch: patch for util/mmgr/aset.c
This benchmark compares the original function with a
