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| author | Joshua Bakita <jbakita@cs.unc.edu> | 2022-05-30 12:20:48 -0400 |
|---|---|---|
| committer | Joshua Bakita <jbakita@cs.unc.edu> | 2022-05-31 11:32:12 -0400 |
| commit | 745b3ef2ac4d7afa99202e6afc441e3f0b97f5b4 (patch) | |
| tree | a3bf20ee2975666318a7275231d15fec451c1b10 /drivers/gpu/nvgpu/channel_t19x.h | |
| parent | ff66847a00ac27d8d94b3664ec156a195dbf3676 (diff) | |
gpu-paging: Support asynchronous paging
- Fully enables *_ASYNC API
- Allows page mapping to be overlapped with I/O, resulting in an 11% speedup
to synchronous reads
Benchmarks, 1,000 iters, before:
gpu_paging_speed, write: 185.5ms +/- 3.58
gpu_paging_speed, read: 180.5ms +/- 1.42
gpu_paging_overhead_speed, write start: 183.3ms +/- 3.89
gpu_paging_overhead_speed, write finish: 3.4ms +/- 2.61
gpu_paging_overhead_speed, read start: 181.6ms +/- 3.34
gpu_paging_overhead_speed, read finish: 41.1ms +/- 2.69
Benchmarks, 1,000 iters, after:
gpu_paging_speed, write: 185.8ms +/- 3.70
gpu_paging_speed, read: 161.3ms +/- 0.97
gpu_paging_overhead_speed, write start: 38.9ms +/- 5.47
gpu_paging_overhead_speed, write finish: 3.1ms +/- 2.42
gpu_paging_overhead_speed, read start: 79.4 +/- 6.42
gpu_paging_overhead_speed, read finish: 44.3 +/- 1.53
Diffstat (limited to 'drivers/gpu/nvgpu/channel_t19x.h')
0 files changed, 0 insertions, 0 deletions