Messages in this thread | ![/](/images/icornerl.gif) | | Date | Thu, 7 Dec 2023 16:33:51 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH v4 4/4] nvme: repack struct nvme_ns_head |
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On Thu, Dec 07, 2023 at 01:36:24PM +0100, Daniel Wagner wrote: > ns_id, lba_shift and ms are always accessed for every read/write I/O in > nvme_setup_rw. By grouping these variables into one cacheline we can > safe some cycles. > > 4k sequential reads: > > baseline patched > Bandwidth: 1620 1634 > IOPs 66345579 66910939
Nice:
Reviewed-by: Christoph Hellwig <hch@lst.de>
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