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| author | Nicholas Piggin <npiggin@gmail.com> | 2023-11-14 20:34:22 +1000 |
|---|---|---|
| committer | Nicholas Piggin <npiggin@gmail.com> | 2024-02-23 23:24:43 +1000 |
| commit | 4acc505d2236190efea94746e7f22e2c07bce5d6 (patch) | |
| tree | 1acdff9476c4fc16f41e2039b86118aae18a7ebf /hw/misc/pca9552.c | |
| parent | 1b72973d39b601b3766d157d3d9bf99033c35e7f (diff) | |
| download | focaccia-qemu-4acc505d2236190efea94746e7f22e2c07bce5d6.tar.gz focaccia-qemu-4acc505d2236190efea94746e7f22e2c07bce5d6.zip | |
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>
Diffstat (limited to 'hw/misc/pca9552.c')
0 files changed, 0 insertions, 0 deletions