| commit | 4acc505d2236190efea94746e7f22e2c07bce5d6 | |
| author | Nicholas Piggin <npiggin@gmail.com> | |
| Tue, 14 Nov 2023 10:34:22 +0000 (14 20:34 +1000) | ||
| committer | Nicholas Piggin <npiggin@gmail.com> | |
| Fri, 23 Feb 2024 13:24:43 +0000 (23 23:24 +1000) | ||
| tree | 1acdff9476c4fc16f41e2039b86118aae18a7ebf | treesnapshot (tar.gz zip) |
| parent | 1b72973d39b601b3766d157d3d9bf99033c35e7f | commitdiff |
target/ppc: optimise ppcemb_tlb_t flushing
Filter TLB flushing by PID and mmuidx.
Zoltan reports that, together with the previous TLB flush changes,
performance of a sam460ex machine running 'lame' to convert a wav to
mp3 is improved nearly 10%:
CPU time TLB partial flushes TLB elided flushes
Before 37s 508238 7680722
After 34s 73 1143
Tested-by: BALATON Zoltan <balaton@eik.bme.hu>
Acked-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Filter TLB flushing by PID and mmuidx.
Zoltan reports that, together with the previous TLB flush changes,
performance of a sam460ex machine running 'lame' to convert a wav to
mp3 is improved nearly 10%:
CPU time TLB partial flushes TLB elided flushes
Before 37s 508238 7680722
After 34s 73 1143
Tested-by: BALATON Zoltan <balaton@eik.bme.hu>
Acked-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
| target/ppc/mmu_helper.c | diffblobblamehistory |