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| author | Christopher Ferris <cferris@google.com> | 2013-10-15 12:10:06 -0700 |
|---|---|---|
| committer | Christopher Ferris <cferris@google.com> | 2013-10-15 15:44:00 -0700 |
| commit | fbefb252b09634114977dbd1b48dd42bb2629b83 (patch) | |
| tree | 478bcb7ce1c824034b05624de125c57d32148de5 /libc/stdio/stdio_ext.cpp | |
| parent | ac6bc31942e58c8893c0695d9766d0f3e39335fe (diff) | |
Modify prefetch for krait memcpy.
I originally modified the krait mainloop prefetch from cacheline * 8 to * 2.
This causes a perf degradation for copies bigger than will fit in the cache.
Fixing this back to the original * 8. I tried other multiples, but * 8 is th
sweet spot on krait.
Bug: 11221806
(cherry picked from commit c3c58fb560fcf1225d4bfb533ba41add8de910e4)
Change-Id: I369f81d91ba97a3fcecac84ac57dec921b4758c8
Diffstat (limited to 'libc/stdio/stdio_ext.cpp')
0 files changed, 0 insertions, 0 deletions