mirror of
https://github.com/borgbackup/borg.git
synced 2026-02-03 20:40:16 -05:00
bc2f2fc7d2
also: add some benchmarking output showing singlethread, multithread and multithread-with-gil-releasing-chunker performance. this changeset maybe improves multithreading performance a little, about 3% (but that might be close to the measurement accuracy).
96 lines
3.7 KiB
Text
96 lines
3.7 KiB
Text
Multithreading
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==============
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multithreading with chunker code that releases the gil
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------------------------------------------------------
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Duration: 1 minutes 28.78 seconds
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Original size Compressed size Deduplicated size
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This archive: 4.01 GB 3.85 GB 3.60 GB
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Unique chunks Total chunks
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Chunk index: 1597 1724
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------------------------------------------------------------------------------
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Command being timed: "borg create --compression 6 --chunker-params 18,23,21,4095 --stats /extra/borg/mt::1 /extra/w10.iso"
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User time (seconds): 286.84
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System time (seconds): 11.84
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Percent of CPU this job got: 335%
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Elapsed (wall clock) time (h:mm:ss or m:ss): 1:29.11
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Maximum resident set size (kbytes): 132896
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Average resident set size (kbytes): 0
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Major (requiring I/O) page faults: 197
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Minor (reclaiming a frame) page faults: 2617391
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Voluntary context switches: 57339
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Involuntary context switches: 99151
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Swaps: 0
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File system inputs: 8077456
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File system outputs: 7043200
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Socket messages sent: 0
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Socket messages received: 0
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Signals delivered: 0
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Page size (bytes): 4096
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Exit status: 0
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multithreaded with gil-holding chunker
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--------------------------------------
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Duration: 1 minutes 31.72 seconds
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Original size Compressed size Deduplicated size
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This archive: 4.01 GB 3.85 GB 3.60 GB
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Unique chunks Total chunks
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Chunk index: 1597 1724
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------------------------------------------------------------------------------
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Command being timed: "borg create --compression 6 --chunker-params 18,23,21,4095 --stats /extra/borg/mt::1 /extra/w10.iso"
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User time (seconds): 283.38
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System time (seconds): 11.97
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Percent of CPU this job got: 320%
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Elapsed (wall clock) time (h:mm:ss or m:ss): 1:32.06
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Maximum resident set size (kbytes): 123640
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Average resident set size (kbytes): 0
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Major (requiring I/O) page faults: 198
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Minor (reclaiming a frame) page faults: 2586472
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Voluntary context switches: 69560
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Involuntary context switches: 69897
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Swaps: 0
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File system inputs: 8083136
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File system outputs: 7051768
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Socket messages sent: 0
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Socket messages received: 0
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Signals delivered: 0
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Page size (bytes): 4096
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Exit status: 0
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no multithreading (code from master branch)
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-------------------------------------------
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Duration: 3 minutes 15.83 seconds
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Original size Compressed size Deduplicated size
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This archive: 4.01 GB 3.85 GB 3.60 GB
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Unique chunks Total chunks
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Chunk index: 1597 1724
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------------------------------------------------------------------------------
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Command being timed: "borg create --compression 6 --chunker-params 18,23,21,4095 --stats /extra/borg/mt::1 /extra/w10.iso"
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User time (seconds): 163.02
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System time (seconds): 5.00
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Percent of CPU this job got: 85%
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Elapsed (wall clock) time (h:mm:ss or m:ss): 3:16.11
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Maximum resident set size (kbytes): 48984
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Average resident set size (kbytes): 0
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Major (requiring I/O) page faults: 136
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Minor (reclaiming a frame) page faults: 154179
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Voluntary context switches: 39641
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Involuntary context switches: 1019
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Swaps: 0
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File system inputs: 8073280
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File system outputs: 7043320
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Socket messages sent: 0
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Socket messages received: 0
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Signals delivered: 0
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Page size (bytes): 4096
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Exit status: 0
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