[PATCH] D67318: [SimplifyCFG] FoldTwoEntryPHINode(): consider *total* speculation cost, not per-BB cost
Roman Lebedev via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Sep 7 15:01:03 PDT 2019
lebedev.ri added a comment.
And got perf numbers. No particular differences from what i have seen in D65148 <https://reviews.llvm.org/D65148>, ~5 major improvements, no notable regressions.
TLDR: On average on used benchmarks this results in -~3% speedup.
F9944371: rawspeed-benchmark-0-old.json <https://reviews.llvm.org/F9944371> F9944373: rawspeed-benchmark-1-new.json <https://reviews.llvm.org/F9944373>
$ /usr/src/googlebenchmark/tools/compare.py -a benchmarks rawspeed-benchmark-0-old.json rawspeed-benchmark-1-new.json
Comparing rawspeed-benchmark-0-old.json to rawspeed-benchmark-1-new.json
Benchmark Time CPU Time Old Time New CPU Old CPU New
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Canon/EOS 5D Mark II/09.canon.sraw1.cr2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Canon/EOS 5D Mark II/09.canon.sraw1.cr2/threads:8/process_time/real_time_mean -0.0236 -0.0236 222.5219 217.2595 222.4980 217.2369
Canon/EOS 5D Mark II/09.canon.sraw1.cr2/threads:8/process_time/real_time_median -0.0236 -0.0236 222.4776 217.2206 222.4307 217.1793
Canon/EOS 5D Mark II/09.canon.sraw1.cr2/threads:8/process_time/real_time_stddev -0.1381 -0.1389 0.5084 0.4382 0.5057 0.4354
Canon/EOS 5D Mark II/10.canon.sraw2.cr2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Canon/EOS 5D Mark II/10.canon.sraw2.cr2/threads:8/process_time/real_time_mean -0.0153 -0.0153 129.8367 127.8563 129.8264 127.8442
Canon/EOS 5D Mark II/10.canon.sraw2.cr2/threads:8/process_time/real_time_median -0.0153 -0.0152 129.7890 127.8042 129.7693 127.7967
Canon/EOS 5D Mark II/10.canon.sraw2.cr2/threads:8/process_time/real_time_stddev -0.6448 -0.6457 0.6080 0.2159 0.6068 0.2150
Canon/EOS 5DS/2K4A9927.CR2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Canon/EOS 5DS/2K4A9927.CR2/threads:8/process_time/real_time_mean -0.0181 -0.0181 444.5168 436.4534 444.4694 436.4027
Canon/EOS 5DS/2K4A9927.CR2/threads:8/process_time/real_time_median -0.0181 -0.0181 444.5686 436.5023 444.5210 436.4561
Canon/EOS 5DS/2K4A9927.CR2/threads:8/process_time/real_time_stddev +0.1821 +0.1897 0.5460 0.6454 0.5439 0.6471
Canon/EOS 5DS/2K4A9928.CR2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Canon/EOS 5DS/2K4A9928.CR2/threads:8/process_time/real_time_mean -0.0229 -0.0229 567.6662 554.6384 567.6017 554.5808
Canon/EOS 5DS/2K4A9928.CR2/threads:8/process_time/real_time_median -0.0232 -0.0232 567.7452 554.5751 567.6885 554.5071
Canon/EOS 5DS/2K4A9928.CR2/threads:8/process_time/real_time_stddev +0.4212 +0.4445 0.7544 1.0721 0.7371 1.0648
Canon/EOS 5DS/2K4A9929.CR2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Canon/EOS 5DS/2K4A9929.CR2/threads:8/process_time/real_time_mean -0.0354 -0.0355 316.7396 305.5208 316.7342 305.4890
Canon/EOS 5DS/2K4A9929.CR2/threads:8/process_time/real_time_median -0.0354 -0.0356 316.6969 305.4798 316.6917 305.4324
Canon/EOS 5DS/2K4A9929.CR2/threads:8/process_time/real_time_stddev +0.0493 +0.0330 0.3562 0.3737 0.3563 0.3681
Canon/EOS 40D/_MG_0154.CR2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Canon/EOS 40D/_MG_0154.CR2/threads:8/process_time/real_time_mean -0.0076 -0.0077 56.9675 56.5326 56.9671 56.5273
Canon/EOS 40D/_MG_0154.CR2/threads:8/process_time/real_time_median -0.0079 -0.0080 56.9662 56.5175 56.9664 56.5097
Canon/EOS 40D/_MG_0154.CR2/threads:8/process_time/real_time_stddev -0.4629 -0.4702 0.1688 0.0907 0.1684 0.0892
Canon/EOS 77D/IMG_4049.CR2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Canon/EOS 77D/IMG_4049.CR2/threads:8/process_time/real_time_mean -0.0550 -0.0551 280.3046 264.8800 280.3017 264.8559
Canon/EOS 77D/IMG_4049.CR2/threads:8/process_time/real_time_median -0.0554 -0.0554 280.2628 264.7360 280.2574 264.7297
Canon/EOS 77D/IMG_4049.CR2/threads:8/process_time/real_time_stddev +0.7005 +0.7041 0.2779 0.4725 0.2775 0.4729
Canon/EOS D30/CRW_2444.CRW/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Canon/EOS D30/CRW_2444.CRW/threads:8/process_time/real_time_mean +0.0042 +0.0041 62.7856 63.0503 62.7856 63.0448
Canon/EOS D30/CRW_2444.CRW/threads:8/process_time/real_time_median +0.0041 +0.0040 62.7851 63.0413 62.7854 63.0344
Canon/EOS D30/CRW_2444.CRW/threads:8/process_time/real_time_stddev -0.1853 -0.2144 0.0556 0.0453 0.0551 0.0433
Canon/PowerShot G1/crw_1693.crw/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Canon/PowerShot G1/crw_1693.crw/threads:8/process_time/real_time_mean +0.0046 +0.0045 63.7451 64.0406 63.7450 64.0343
Canon/PowerShot G1/crw_1693.crw/threads:8/process_time/real_time_median +0.0045 +0.0045 63.7339 64.0213 63.7321 64.0207
Canon/PowerShot G1/crw_1693.crw/threads:8/process_time/real_time_stddev +0.4642 +0.4343 0.0484 0.0709 0.0479 0.0687
Fujifilm/GFX 50S/20170525_0037TEST.RAF/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Fujifilm/GFX 50S/20170525_0037TEST.RAF/threads:8/process_time/real_time_mean -0.0086 -0.0038 486.1760 481.9715 3598.8707 3585.2633
Fujifilm/GFX 50S/20170525_0037TEST.RAF/threads:8/process_time/real_time_median -0.0112 -0.0057 487.3562 481.8991 3604.8764 3584.3669
Fujifilm/GFX 50S/20170525_0037TEST.RAF/threads:8/process_time/real_time_stddev -0.8226 -0.5578 2.1500 0.3815 10.4607 4.6256
Fujifilm/X-Pro2/_DSF3051.RAF/threads:8/process_time/real_time_pvalue 0.2217 0.0239 U Test, Repetitions: 49 vs 49
Fujifilm/X-Pro2/_DSF3051.RAF/threads:8/process_time/real_time_mean -0.0031 -0.0029 185.9799 185.3941 1483.9142 1479.5656
Fujifilm/X-Pro2/_DSF3051.RAF/threads:8/process_time/real_time_median -0.0000 -0.0005 185.7836 185.7747 1482.7799 1482.0870
Fujifilm/X-Pro2/_DSF3051.RAF/threads:8/process_time/real_time_stddev +0.0014 -0.0133 1.0597 1.0611 7.0797 6.9857
GoPro/HERO6 Black/GOPR9172.GPR/threads:8/process_time/real_time_pvalue 0.0647 0.0271 U Test, Repetitions: 49 vs 49
GoPro/HERO6 Black/GOPR9172.GPR/threads:8/process_time/real_time_mean +0.0016 +0.0017 38.8542 38.9182 309.6872 310.2127
GoPro/HERO6 Black/GOPR9172.GPR/threads:8/process_time/real_time_median +0.0021 +0.0028 38.7812 38.8636 308.9483 309.8222
GoPro/HERO6 Black/GOPR9172.GPR/threads:8/process_time/real_time_stddev -0.3860 -0.3828 0.5640 0.3463 3.6906 2.2780
Kodak/DCS760C/86L57188.DCR/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Kodak/DCS760C/86L57188.DCR/threads:8/process_time/real_time_mean -0.1747 -0.1747 80.4787 66.4227 80.4771 66.4146
Kodak/DCS760C/86L57188.DCR/threads:8/process_time/real_time_median -0.1742 -0.1743 80.4686 66.4542 80.4690 66.4436
Kodak/DCS760C/86L57188.DCR/threads:8/process_time/real_time_stddev +0.6089 +0.5797 0.0670 0.1078 0.0673 0.1062
Nikon/D5600/2018-01-20_01-14_0792.NEF/threads:8/process_time/real_time_pvalue 0.0048 0.0024 U Test, Repetitions: 49 vs 49
Nikon/D5600/2018-01-20_01-14_0792.NEF/threads:8/process_time/real_time_mean -0.0006 -0.0007 375.4644 375.2458 375.4502 375.1952
Nikon/D5600/2018-01-20_01-14_0792.NEF/threads:8/process_time/real_time_median -0.0013 -0.0014 376.6812 376.2053 376.6632 376.1458
Nikon/D5600/2018-01-20_01-14_0792.NEF/threads:8/process_time/real_time_stddev -0.1310 -0.1324 1.8502 1.6079 1.8492 1.6045
Nikon/D5600/2018-01-20_01-14_0793.NEF/threads:8/process_time/real_time_pvalue 0.7546 0.5649 U Test, Repetitions: 49 vs 49
Nikon/D5600/2018-01-20_01-14_0793.NEF/threads:8/process_time/real_time_mean -0.0025 -0.0026 430.4334 429.3462 430.4185 429.2971
Nikon/D5600/2018-01-20_01-14_0793.NEF/threads:8/process_time/real_time_median -0.0000 -0.0001 429.2898 429.2758 429.2598 429.2311
Nikon/D5600/2018-01-20_01-14_0793.NEF/threads:8/process_time/real_time_stddev -0.7837 -0.7873 2.3148 0.5008 2.3167 0.4928
Nikon/D7200/DSC_0977.NEF/threads:8/process_time/real_time_pvalue 0.0001 0.0001 U Test, Repetitions: 49 vs 49
Nikon/D7200/DSC_0977.NEF/threads:8/process_time/real_time_mean -0.0017 -0.0017 254.5381 254.1162 254.5281 254.0925
Nikon/D7200/DSC_0977.NEF/threads:8/process_time/real_time_median -0.0011 -0.0012 254.4295 254.1423 254.4156 254.1112
Nikon/D7200/DSC_0977.NEF/threads:8/process_time/real_time_stddev +0.2642 +0.2611 0.4071 0.5146 0.4063 0.5123
Nikon/D7200/DSC_0978.NEF/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Nikon/D7200/DSC_0978.NEF/threads:8/process_time/real_time_mean +0.0086 +0.0085 247.1756 249.3010 247.1651 249.2767
Nikon/D7200/DSC_0978.NEF/threads:8/process_time/real_time_median +0.0081 +0.0081 247.1551 249.1528 247.1444 249.1472
Nikon/D7200/DSC_0978.NEF/threads:8/process_time/real_time_stddev +1.1420 +1.1485 0.2862 0.6131 0.2854 0.6132
Nikon/D7200/DSC_0979.NEF/threads:8/process_time/real_time_pvalue 0.1231 0.1574 U Test, Repetitions: 49 vs 49
Nikon/D7200/DSC_0979.NEF/threads:8/process_time/real_time_mean +0.0011 +0.0009 234.2886 234.5454 234.2788 234.4844
Nikon/D7200/DSC_0979.NEF/threads:8/process_time/real_time_median +0.0008 +0.0007 234.2195 234.4022 234.2126 234.3658
Nikon/D7200/DSC_0979.NEF/threads:8/process_time/real_time_stddev +1.7501 +1.3553 0.2661 0.7319 0.2653 0.6249
Nikon/D7200/DSC_0982.NEF/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Nikon/D7200/DSC_0982.NEF/threads:8/process_time/real_time_mean +0.0054 +0.0052 235.1888 236.4484 235.1830 236.4139
Nikon/D7200/DSC_0982.NEF/threads:8/process_time/real_time_median +0.0050 +0.0049 235.1839 236.3490 235.1782 236.3416
Nikon/D7200/DSC_0982.NEF/threads:8/process_time/real_time_stddev +1.5848 +1.5295 0.2262 0.5846 0.2256 0.5706
Olympus/XZ-1/p1319978.orf/threads:8/process_time/real_time_pvalue 0.0021 0.0010 U Test, Repetitions: 49 vs 49
Olympus/XZ-1/p1319978.orf/threads:8/process_time/real_time_mean +0.0004 +0.0004 219.0685 219.1491 219.0624 219.1499
Olympus/XZ-1/p1319978.orf/threads:8/process_time/real_time_median +0.0004 +0.0005 219.0479 219.1360 219.0389 219.1375
Olympus/XZ-1/p1319978.orf/threads:8/process_time/real_time_stddev -0.2462 -0.2431 0.1743 0.1314 0.1730 0.1309
Panasonic/DC-G9/P1000476.RW2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Panasonic/DC-G9/P1000476.RW2/threads:8/process_time/real_time_mean -0.0300 -0.0322 14.1339 13.7092 112.5427 108.9215
Panasonic/DC-G9/P1000476.RW2/threads:8/process_time/real_time_median -0.0289 -0.0335 14.1253 13.7178 112.7482 108.9693
Panasonic/DC-G9/P1000476.RW2/threads:8/process_time/real_time_stddev -0.2187 -0.3065 0.2117 0.1654 1.5642 1.0847
Panasonic/DC-GH5/_T012014.RW2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Panasonic/DC-GH5/_T012014.RW2/threads:8/process_time/real_time_mean +0.0103 +0.0104 27.0501 27.3287 215.7217 217.9707
Panasonic/DC-GH5/_T012014.RW2/threads:8/process_time/real_time_median +0.0103 +0.0104 27.0693 27.3475 215.8385 218.0814
Panasonic/DC-GH5/_T012014.RW2/threads:8/process_time/real_time_stddev +0.0838 +0.1371 0.2002 0.2170 1.2856 1.4619
Panasonic/DC-GH5S/P1022085.RW2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Panasonic/DC-GH5S/P1022085.RW2/threads:8/process_time/real_time_mean +0.0533 +0.0531 5.0627 5.3324 40.3521 42.4956
Panasonic/DC-GH5S/P1022085.RW2/threads:8/process_time/real_time_median +0.0560 +0.0551 5.0707 5.3547 40.4043 42.6317
Panasonic/DC-GH5S/P1022085.RW2/threads:8/process_time/real_time_stddev +0.0148 +0.0363 0.0547 0.0555 0.3523 0.3651
Pentax/K10D/_IGP7284.PEF/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Pentax/K10D/_IGP7284.PEF/threads:8/process_time/real_time_mean -0.0167 -0.0158 72.0108 70.8091 73.8282 72.6596
Pentax/K10D/_IGP7284.PEF/threads:8/process_time/real_time_median -0.0165 -0.0165 71.9825 70.7949 71.9808 70.7963
Pentax/K10D/_IGP7284.PEF/threads:8/process_time/real_time_stddev -0.0501 +0.0156 0.1501 0.1426 12.8755 13.0763
Phase One/P65/CF027310.IIQ/threads:8/process_time/real_time_pvalue 0.2646 0.2468 U Test, Repetitions: 49 vs 49
Phase One/P65/CF027310.IIQ/threads:8/process_time/real_time_mean +0.0025 +0.0024 79.2134 79.4154 631.2580 632.7601
Phase One/P65/CF027310.IIQ/threads:8/process_time/real_time_median +0.0003 +0.0000 79.3581 79.3834 632.1152 632.1352
Phase One/P65/CF027310.IIQ/threads:8/process_time/real_time_stddev +0.2383 +0.3005 0.8326 1.0310 5.2849 6.8731
Samsung/NX1/2016-07-23-142101_sam_9364.srw/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Samsung/NX1/2016-07-23-142101_sam_9364.srw/threads:8/process_time/real_time_mean +0.0179 +0.0179 328.3829 334.2514 328.3690 334.2385
Samsung/NX1/2016-07-23-142101_sam_9364.srw/threads:8/process_time/real_time_median +0.0182 +0.0183 328.3175 334.3054 328.2931 334.2921
Samsung/NX1/2016-07-23-142101_sam_9364.srw/threads:8/process_time/real_time_stddev +0.8651 +0.8392 0.3049 0.5687 0.3085 0.5674
Samsung/NX30/2015-03-07-163604_sam_7204.srw/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Samsung/NX30/2015-03-07-163604_sam_7204.srw/threads:8/process_time/real_time_mean -0.0092 -0.0092 129.0806 127.8978 129.0735 127.8921
Samsung/NX30/2015-03-07-163604_sam_7204.srw/threads:8/process_time/real_time_median -0.0085 -0.0086 129.0611 127.9581 129.0593 127.9545
Samsung/NX30/2015-03-07-163604_sam_7204.srw/threads:8/process_time/real_time_stddev +0.2651 +0.2716 0.1436 0.1816 0.1439 0.1830
Samsung/NX3000/_3184416.SRW/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Samsung/NX3000/_3184416.SRW/threads:8/process_time/real_time_mean -0.3064 -0.3064 226.9913 157.4452 226.9800 157.4384
Samsung/NX3000/_3184416.SRW/threads:8/process_time/real_time_median -0.3057 -0.3057 226.8407 157.4926 226.8282 157.4828
Samsung/NX3000/_3184416.SRW/threads:8/process_time/real_time_stddev -0.4985 -0.4954 0.3051 0.1530 0.3040 0.1534
Sony/DSLR-A230/DSC08026.ARW/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Sony/DSLR-A230/DSC08026.ARW/threads:8/process_time/real_time_mean -0.1598 -0.1598 171.6996 144.2575 171.6915 144.2538
Sony/DSLR-A230/DSC08026.ARW/threads:8/process_time/real_time_median -0.1598 -0.1597 171.7109 144.2755 171.7018 144.2766
Sony/DSLR-A230/DSC08026.ARW/threads:8/process_time/real_time_stddev +0.4024 +0.3850 0.0847 0.1187 0.0848 0.1175
Sony/ILCE-7S/DSC04126.ARW/threads:8/process_time/real_time_pvalue 0.0023 0.0014 U Test, Repetitions: 49 vs 49
Sony/ILCE-7S/DSC04126.ARW/threads:8/process_time/real_time_mean +0.0052 +0.0055 8.1308 8.1728 64.8663 65.2246
Sony/ILCE-7S/DSC04126.ARW/threads:8/process_time/real_time_median +0.0154 +0.0131 8.0814 8.2058 64.5718 65.4151
Sony/ILCE-7S/DSC04126.ARW/threads:8/process_time/real_time_stddev -0.3637 -0.3469 0.1846 0.1175 1.2931 0.8445
5 biggest improvements:
Benchmark Time CPU Time Old Time New CPU Old CPU New
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Samsung/NX3000/_3184416.SRW/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Samsung/NX3000/_3184416.SRW/threads:8/process_time/real_time_mean -0.3064 -0.3064 226.9913 157.4452 226.9800 157.4384
Samsung/NX3000/_3184416.SRW/threads:8/process_time/real_time_median -0.3057 -0.3057 226.8407 157.4926 226.8282 157.4828
Samsung/NX3000/_3184416.SRW/threads:8/process_time/real_time_stddev -0.4985 -0.4954 0.3051 0.1530 0.3040 0.1534
Kodak/DCS760C/86L57188.DCR/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Kodak/DCS760C/86L57188.DCR/threads:8/process_time/real_time_mean -0.1747 -0.1747 80.4787 66.4227 80.4771 66.4146
Kodak/DCS760C/86L57188.DCR/threads:8/process_time/real_time_median -0.1742 -0.1743 80.4686 66.4542 80.4690 66.4436
Kodak/DCS760C/86L57188.DCR/threads:8/process_time/real_time_stddev +0.6089 +0.5797 0.0670 0.1078 0.0673 0.1062
Sony/DSLR-A230/DSC08026.ARW/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Sony/DSLR-A230/DSC08026.ARW/threads:8/process_time/real_time_mean -0.1598 -0.1598 171.6996 144.2575 171.6915 144.2538
Sony/DSLR-A230/DSC08026.ARW/threads:8/process_time/real_time_median -0.1598 -0.1597 171.7109 144.2755 171.7018 144.2766
Sony/DSLR-A230/DSC08026.ARW/threads:8/process_time/real_time_stddev +0.4024 +0.3850 0.0847 0.1187 0.0848 0.1175
Canon/EOS 77D/IMG_4049.CR2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Canon/EOS 77D/IMG_4049.CR2/threads:8/process_time/real_time_mean -0.0550 -0.0551 280.3046 264.8800 280.3017 264.8559
Canon/EOS 77D/IMG_4049.CR2/threads:8/process_time/real_time_median -0.0554 -0.0554 280.2628 264.7360 280.2574 264.7297
Canon/EOS 77D/IMG_4049.CR2/threads:8/process_time/real_time_stddev +0.7005 +0.7041 0.2779 0.4725 0.2775 0.4729
Canon/EOS 5DS/2K4A9929.CR2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Canon/EOS 5DS/2K4A9929.CR2/threads:8/process_time/real_time_mean -0.0354 -0.0355 316.7396 305.5208 316.7342 305.4890
Canon/EOS 5DS/2K4A9929.CR2/threads:8/process_time/real_time_median -0.0354 -0.0356 316.6969 305.4798 316.6917 305.4324
Canon/EOS 5DS/2K4A9929.CR2/threads:8/process_time/real_time_stddev +0.0493 +0.0330 0.3562 0.3737 0.3563 0.3681
1 biggest regression:
Benchmark Time CPU Time Old Time New CPU Old CPU New
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Panasonic/DC-GH5S/P1022085.RW2/threads:8/process_time/real_time_pvalue 0.0000 0.0000 U Test, Repetitions: 49 vs 49
Panasonic/DC-GH5S/P1022085.RW2/threads:8/process_time/real_time_mean +0.0533 +0.0531 5.0627 5.3324 40.3521 42.4956
Panasonic/DC-GH5S/P1022085.RW2/threads:8/process_time/real_time_median +0.0560 +0.0551 5.0707 5.3547 40.4043 42.6317
Panasonic/DC-GH5S/P1022085.RW2/threads:8/process_time/real_time_stddev +0.0148 +0.0363 0.0547 0.0555 0.3523 0.3651
... and that regression is noise, i re-benchmarked it.
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https://reviews.llvm.org/D67318/new/
https://reviews.llvm.org/D67318
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