Messages in this thread | | | From | Jens Axboe <> | Subject | Re: [PATCH for-next v3 0/3] implement pcpu bio caching for IRQ I/O | Date | Tue, 25 Oct 2022 13:42:12 -0600 |
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On Fri, 21 Oct 2022 11:34:04 +0100, Pavel Begunkov wrote: > Add bio pcpu caching for normal / IRQ-driven I/O extending REQ_ALLOC_CACHE, > which was limited to iopoll. t/io_uring with an Optane SSD setup showed +7% > for batches of 32 requests and +4.3% for batches of 8. > > IRQ, 128/32/32, cache off > IOPS=59.08M, BW=28.84GiB/s, IOS/call=31/31 > IOPS=59.30M, BW=28.96GiB/s, IOS/call=32/32 > IOPS=59.97M, BW=29.28GiB/s, IOS/call=31/31 > IOPS=59.92M, BW=29.26GiB/s, IOS/call=32/32 > IOPS=59.81M, BW=29.20GiB/s, IOS/call=32/31 > > [...]
Applied, thanks!
[1/3] bio: split pcpu cache part of bio_put into a helper commit: 0b0735a8c24f006d2d9d8b2b408b8c90f3163abd [2/3] block/bio: add pcpu caching for non-polling bio_put commit: 13a184e269656994180e8c64ff56db03ed737902 [3/3] io_uring/rw: enable bio caches for IRQ rw commit: 93dad04746ea1340dec267f0e98ac42e8bc67160
Best regards, -- Jens Axboe
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