lime/PERFORMANCE at master · hendrikschilling/lime · GitHub

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Performance tests:
load directory with a bunch of images 1573 (14G) raw+jpeg, 16MP, display first preview of the first 100 groups:
fastest of multiple runs:
Default cache size 25MB
Test on 18.03.2014 with -O3 at 056d14e29db1d7fb7a4c39fb00c45968f6e326bd

time /home/hendrik/projects/lime/src/bin/limeview /home/hendrik/foto/*onst*

Intel(R) Core(TM)2 Duo CPU     T5670  @ 1.80GHz
real    0m3.286s
user    0m1.769s
sys     0m0.646s

Memory usage according to massif:
37.25MB max

Command being timed: "/home/hendrik/projects/lime/src/bin/limeview /home/hendrik/foto/2013-03-09 Hochzeit Ariane und Konstantin"
        User time (seconds): 1.71
        System time (seconds): 0.70
        Percent of CPU this job got: 73%
        Elapsed (wall clock) time (h:mm:ss or m:ss): 0:03.27
        Average shared text size (kbytes): 0
        Average unshared data size (kbytes): 0
        Average stack size (kbytes): 0
        Average total size (kbytes): 0
        Maximum resident set size (kbytes): 65344
        Average resident set size (kbytes): 0
        Major (requiring I/O) page faults: 0
        Minor (reclaiming a frame) page faults: 99808
        Voluntary context switches: 624
        Involuntary context switches: 3304
        Swaps: 0
        File system inputs: 0
        File system outputs: 616
        Socket messages sent: 0
        Socket messages received: 0
        Signals delivered: 0
        Page size (bytes): 4096
        Exit status: 0


display 200 images:
real    0m5.907s
user    0m3.337s
sys     0m1.021s

massif:
46.68MB

User time (seconds): 3.33
        System time (seconds): 1.01
        Percent of CPU this job got: 73%
        Elapsed (wall clock) time (h:mm:ss or m:ss): 0:05.88
        Average shared text size (kbytes): 0
        Average unshared data size (kbytes): 0
        Average stack size (kbytes): 0
        Average total size (kbytes): 0
        Maximum resident set size (kbytes): 80544
        Average resident set size (kbytes): 0
        Major (requiring I/O) page faults: 0
        Minor (reclaiming a frame) page faults: 166478
        Voluntary context switches: 1179
        Involuntary context switches: 6086
        Swaps: 0
        File system inputs: 0
        File system outputs: 616
        Socket messages sent: 0
        Socket messages received: 0
        Signals delivered: 0
        Page size (bytes): 4096
        Exit status: 0

300 images:
real    0m8.328s
user    0m4.404s
sys     0m1.553s

massif:
47.33MB


User time (seconds): 4.35
        System time (seconds): 1.54
        Percent of CPU this job got: 70%
        Elapsed (wall clock) time (h:mm:ss or m:ss): 0:08.35
        Average shared text size (kbytes): 0
        Average unshared data size (kbytes): 0
        Average stack size (kbytes): 0
        Average total size (kbytes): 0
        Maximum resident set size (kbytes): 78816
        Average resident set size (kbytes): 0
        Major (requiring I/O) page faults: 0
        Minor (reclaiming a frame) page faults: 252746
        Voluntary context switches: 1690
        Involuntary context switches: 9278
        Swaps: 0
        File system inputs: 0
        File system outputs: 616
        Socket messages sent: 0
        Socket messages received: 0
        Signals delivered: 0
        Page size (bytes): 4096
        Exit status: 0

300 images, cache size 5MB:
massif:
32.21MB

100 images, full image