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| author | Daniel Wagner <[email protected]> | 2023-12-18 17:59:54 +0100 |
|---|---|---|
| committer | Keith Busch <[email protected]> | 2023-12-19 09:10:13 -0800 |
| commit | 963929615194d163a25e3b536cd990a05d7e9439 (patch) | |
| tree | 97b72d232cfed6fe1cf47b239257a869d3f20a4c /scripts/clang-tools/gen_compile_commands.py | |
| parent | a1a825ab6a60380240ca136596732fdb80bad87a (diff) | |
nvme: repack struct nvme_ns_head
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
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Signed-off-by: Daniel Wagner <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Diffstat (limited to 'scripts/clang-tools/gen_compile_commands.py')
0 files changed, 0 insertions, 0 deletions