| commit | fbefb252b09634114977dbd1b48dd42bb2629b83 | [log] [tgz] |
|---|---|---|
| author | Christopher Ferris <cferris@google.com> | Tue Oct 15 12:10:06 2013 -0700 |
| committer | Christopher Ferris <cferris@google.com> | Tue Oct 15 15:44:00 2013 -0700 |
| tree | 478bcb7ce1c824034b05624de125c57d32148de5 | |
| 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