[PATCH] [MachineSink] Use the real post dominator tree

Jingyue Wu jingyue at google.com
Tue Aug 12 11:19:19 PDT 2014


Hi Jiangning and Owen,

I measured the CC_Time for all applications in llvm-test-suite (see the
results at the end). The first line is the name of the application, and the
second line contains the slowdown (negative means better) after my change
is applied, and the absolute CC_time of the original compiler.

The timing is not quite stable for applications that take <1 second to
compile. However, for applications that take longer to compile (e.g.,
7zip-benchmark), the CC_time is roughly the same as before.

The geomean of CC_time slowdown across all applications is 0.9825 (which
means ~2% faster). But given the unstableness of short-running
applications, I'd say it probably just means parity instead of real
improvement.

In general, I don't see a significant regression in compilation time with
this patch.

Jingyue

MultiSource/Applications/ALAC/decode/alacconvert-decode
        0.6620%        1.2085
MultiSource/Applications/ALAC/encode/alacconvert-encode
        -0.8311%        1.2152
MultiSource/Applications/Burg/burg
        -2.0242%        1.6797
MultiSource/Applications/ClamAV/clamscan
        0.3322%        14.0900
MultiSource/Applications/JM/ldecod/ldecod
        1.2913%        6.1877
MultiSource/Applications/JM/lencod/lencod
        -0.8998%        13.5259
MultiSource/Applications/SIBsim4/SIBsim4
        -2.0553%        1.2845
MultiSource/Applications/SPASS/SPASS
        1.9286%        12.9314
MultiSource/Applications/aha/aha
        -3.3263%        0.1413
MultiSource/Applications/d/make_dparser
        -0.2314%        2.8527
MultiSource/Applications/hbd/hbd
        -1.3046%        1.8627
MultiSource/Applications/hexxagon/hexxagon
        -1.9634%        0.9932
MultiSource/Applications/kimwitu++/kc
        2.6947%        11.3480
MultiSource/Applications/lambda-0.1.3/lambda
        -4.0196%        0.6742
MultiSource/Applications/lemon/lemon
        10.7558%        0.8693
MultiSource/Applications/lua/lua
        -0.4359%        4.0836
MultiSource/Applications/minisat/minisat
        0.5924%        0.6246
MultiSource/Applications/obsequi/Obsequi
        1.2604%        1.2853
MultiSource/Applications/oggenc/oggenc
        8.6571%        3.1373
MultiSource/Applications/sgefa/sgefa
        -6.8249%        0.5099
MultiSource/Applications/siod/siod
        -1.3471%        1.9227
MultiSource/Applications/spiff/spiff
        -4.9501%        1.1919
MultiSource/Applications/sqlite3/sqlite3
        4.0138%        11.8989
MultiSource/Applications/treecc/treecc
        0.1516%        2.2433
MultiSource/Applications/viterbi/viterbi
        2.2571%        0.2614
MultiSource/Benchmarks/7zip/7zip-benchmark
        -0.5024%        40.2075
MultiSource/Benchmarks/ASCI_Purple/SMG2000/smg2000
        -0.5554%        7.3818
MultiSource/Benchmarks/ASC_Sequoia/AMGmk/AMGmk
        0.8925%        0.7619
MultiSource/Benchmarks/ASC_Sequoia/CrystalMk/CrystalMk
        -5.4254%        0.3926
MultiSource/Benchmarks/ASC_Sequoia/IRSmk/IRSmk
        -2.0022%        0.1848
MultiSource/Benchmarks/BitBench/drop3/drop3
        -20.1379%        0.0725
MultiSource/Benchmarks/BitBench/five11/five11
        1.0101%        0.0792
MultiSource/Benchmarks/BitBench/uudecode/uudecode
        -7.4671%        0.0683
MultiSource/Benchmarks/BitBench/uuencode/uuencode
        4.3609%        0.0665
MultiSource/Benchmarks/Bullet/bullet
        -0.2186%        28.2692
MultiSource/Benchmarks/Fhourstones-3.1/fhourstones3.1
        -2.5487%        0.1334
MultiSource/Benchmarks/Fhourstones/fhourstones
        -3.3218%        0.2318
MultiSource/Benchmarks/FreeBench/analyzer/analyzer
        -4.4756%        0.3709
MultiSource/Benchmarks/FreeBench/distray/distray
        -3.0303%        0.1254
MultiSource/Benchmarks/FreeBench/fourinarow/fourinarow
        1.4822%        0.2024
MultiSource/Benchmarks/FreeBench/mason/mason
        -1.1378%        0.0791
MultiSource/Benchmarks/FreeBench/neural/neural
        -28.4747%        0.2511
MultiSource/Benchmarks/FreeBench/pcompress2/pcompress2
        -6.5595%        0.3796
MultiSource/Benchmarks/FreeBench/pifft/pifft
        1.1608%        0.9132
MultiSource/Benchmarks/MallocBench/cfrac/cfrac
        -4.5783%        1.4962
MultiSource/Benchmarks/MallocBench/espresso/espresso
        -0.9815%        5.7258
MultiSource/Benchmarks/MallocBench/gs/gs
        -2.1733%        5.4618
MultiSource/Benchmarks/McCat/01-qbsort/qbsort
        -8.2553%        0.1708
MultiSource/Benchmarks/McCat/03-testtrie/testtrie
        12.8609%        0.1524
MultiSource/Benchmarks/McCat/04-bisect/bisect
        -4.7285%        0.2136
MultiSource/Benchmarks/McCat/05-eks/eks
        -2.2222%        0.7020
MultiSource/Benchmarks/McCat/08-main/main
        -2.9863%        0.3516
MultiSource/Benchmarks/McCat/09-vor/vor
        -0.8770%        0.4447
MultiSource/Benchmarks/McCat/12-IOtest/iotest
        4.3213%        0.1805
MultiSource/Benchmarks/McCat/15-trie/trie
        6.4935%        0.0770
MultiSource/Benchmarks/McCat/17-bintr/bintr
        -6.4543%        0.1193
MultiSource/Benchmarks/McCat/18-imp/imp
        -4.6539%        0.4319
MultiSource/Benchmarks/MiBench/automotive-basicmath/automotive-basicmath
        -4.8374%        0.2522
MultiSource/Benchmarks/MiBench/automotive-bitcount/automotive-bitcount
        1.0012%        0.4894
MultiSource/Benchmarks/MiBench/automotive-susan/automotive-susan
        0.5337%        0.6183
MultiSource/Benchmarks/MiBench/consumer-jpeg/consumer-jpeg
        -1.3854%        5.6805
MultiSource/Benchmarks/MiBench/consumer-lame/consumer-lame
        -0.5075%        4.4729
MultiSource/Benchmarks/MiBench/consumer-typeset/consumer-typeset
        -0.5005%        11.1695
MultiSource/Benchmarks/MiBench/network-dijkstra/network-dijkstra
        -12.4476%        0.0715
MultiSource/Benchmarks/MiBench/network-patricia/network-patricia
        6.0174%        0.1263
MultiSource/Benchmarks/MiBench/office-ispell/office-ispell
        -0.2698%        1.7418
MultiSource/Benchmarks/MiBench/office-stringsearch/office-stringsearch
        -3.7461%        0.2536
MultiSource/Benchmarks/MiBench/security-blowfish/security-blowfish
        -5.3802%        0.4182
MultiSource/Benchmarks/MiBench/security-rijndael/security-rijndael
        -1.7516%        0.4967
MultiSource/Benchmarks/MiBench/security-sha/security-sha
        2.0984%        0.1382
MultiSource/Benchmarks/MiBench/telecomm-CRC32/telecomm-CRC32
        -13.1902%        0.0652
MultiSource/Benchmarks/MiBench/telecomm-FFT/telecomm-fft
        2.3671%        0.2070
MultiSource/Benchmarks/MiBench/telecomm-adpcm/telecomm-adpcm
        7.9793%        0.0965
MultiSource/Benchmarks/MiBench/telecomm-gsm/telecomm-gsm
        -1.4768%        1.5981
MultiSource/Benchmarks/NPB-serial/is/is
        3.1100%        0.0836
MultiSource/Benchmarks/Olden/bh/bh
        -1.4403%        0.3541
MultiSource/Benchmarks/Olden/bisort/bisort
        -10.3128%        0.1183
MultiSource/Benchmarks/Olden/em3d/em3d
        2.1883%        0.2879
MultiSource/Benchmarks/Olden/health/health
        -0.7179%        0.2368
MultiSource/Benchmarks/Olden/mst/mst
        -7.9195%        0.2235
MultiSource/Benchmarks/Olden/perimeter/perimeter
        -1.6620%        0.1444
MultiSource/Benchmarks/Olden/power/power
        2.9753%        0.1983
MultiSource/Benchmarks/Olden/treeadd/treeadd
        8.5981%        0.1070
MultiSource/Benchmarks/Olden/tsp/tsp
        4.1952%        0.2193
MultiSource/Benchmarks/Olden/voronoi/voronoi
        3.9962%        0.3128
MultiSource/Benchmarks/PAQ8p/paq8p
        -4.7844%        1.5843
MultiSource/Benchmarks/Prolangs-C++/NP/np
        -0.9029%        0.0443
MultiSource/Benchmarks/Prolangs-C++/city/city
        -1.2080%        1.5066
MultiSource/Benchmarks/Prolangs-C++/deriv1/deriv1
        2.8470%        0.2248
MultiSource/Benchmarks/Prolangs-C++/deriv2/deriv2
        1.2510%        0.2558
MultiSource/Benchmarks/Prolangs-C++/employ/employ
        -0.5156%        0.2909
MultiSource/Benchmarks/Prolangs-C++/family/family
        -8.2459%        0.0667
MultiSource/Benchmarks/Prolangs-C++/fsm/fsm
        -2.3292%        0.0644
MultiSource/Benchmarks/Prolangs-C++/garage/garage
        -0.1292%        0.0774
MultiSource/Benchmarks/Prolangs-C++/life/life
        1.3408%        0.0895
MultiSource/Benchmarks/Prolangs-C++/objects/objects
        -2.2705%        0.1013
MultiSource/Benchmarks/Prolangs-C++/ocean/ocean
        -0.8895%        0.1349
MultiSource/Benchmarks/Prolangs-C++/office/office
        -4.3218%        0.2175
MultiSource/Benchmarks/Prolangs-C++/primes/primes
        -9.4949%        0.0495
MultiSource/Benchmarks/Prolangs-C++/shapes/shapes
        1.1157%        0.2689
MultiSource/Benchmarks/Prolangs-C++/simul/simul
        9.7074%        0.0752
MultiSource/Benchmarks/Prolangs-C++/trees/trees
        -5.2029%        0.0961
MultiSource/Benchmarks/Prolangs-C++/vcirc/vcirc
        -2.8302%        0.0530
MultiSource/Benchmarks/Prolangs-C/TimberWolfMC/timberwolfmc
        -1.5207%        10.9884
MultiSource/Benchmarks/Prolangs-C/agrep/agrep
        -2.4863%        1.5163
MultiSource/Benchmarks/Prolangs-C/allroots/allroots
        -6.0264%        0.1593
MultiSource/Benchmarks/Prolangs-C/archie-client/archie
        -2.9350%        0.9574
MultiSource/Benchmarks/Prolangs-C/assembler/assembler
        -1.5710%        0.8848
MultiSource/Benchmarks/Prolangs-C/bison/mybison
        -6.5930%        1.9445
MultiSource/Benchmarks/Prolangs-C/cdecl/cdecl
        -1.1713%        0.3415
MultiSource/Benchmarks/Prolangs-C/compiler/compiler
        -0.1878%        0.5324
MultiSource/Benchmarks/Prolangs-C/fixoutput/fixoutput
        0.9982%        0.1102
MultiSource/Benchmarks/Prolangs-C/football/football
        -1.9346%        0.7702
MultiSource/Benchmarks/Prolangs-C/gnugo/gnugo
        -3.8533%        1.2379
MultiSource/Benchmarks/Prolangs-C/loader/loader
        -3.4824%        0.5054
MultiSource/Benchmarks/Prolangs-C/plot2fig/plot2fig
        -4.2088%        1.0478
MultiSource/Benchmarks/Prolangs-C/simulator/simulator
        -1.1643%        1.0478
MultiSource/Benchmarks/Prolangs-C/unix-smail/unix-smail
        -4.1518%        0.8406
MultiSource/Benchmarks/Prolangs-C/unix-tbl/unix-tbl
        -1.8456%        1.4467
MultiSource/Benchmarks/Ptrdist/anagram/anagram
        11.2284%        0.1042
MultiSource/Benchmarks/Ptrdist/bc/bc
        0.5738%        1.2896
MultiSource/Benchmarks/Ptrdist/ft/ft
        -9.3870%        0.3377
MultiSource/Benchmarks/Ptrdist/ks/ks
        -0.7924%        0.1893
MultiSource/Benchmarks/Ptrdist/yacr2/yacr2
        1.3011%        0.6994
MultiSource/Benchmarks/SciMark2-C/scimark2
        -4.1027%        0.6191
MultiSource/Benchmarks/TSVC/ControlFlow-dbl/ControlFlow-dbl
        5.3650%        1.2563
MultiSource/Benchmarks/TSVC/ControlFlow-flt/ControlFlow-flt
        16.5980%        1.2134
MultiSource/Benchmarks/TSVC/ControlLoops-dbl/ControlLoops-dbl
        -2.3300%        1.2618
MultiSource/Benchmarks/TSVC/ControlLoops-flt/ControlLoops-flt
        2.0587%        1.2338
MultiSource/Benchmarks/TSVC/CrossingThresholds-dbl/CrossingThresholds-dbl
        -2.3312%        1.2483
MultiSource/Benchmarks/TSVC/CrossingThresholds-flt/CrossingThresholds-flt
        7.0103%        1.1155
MultiSource/Benchmarks/TSVC/Equivalencing-dbl/Equivalencing-dbl
        -11.3610%        1.2719
MultiSource/Benchmarks/TSVC/Equivalencing-flt/Equivalencing-flt
        12.9015%        1.1332
MultiSource/Benchmarks/TSVC/Expansion-dbl/Expansion-dbl
        10.8477%        1.1053
MultiSource/Benchmarks/TSVC/Expansion-flt/Expansion-flt
        1.0403%        1.2496
MultiSource/Benchmarks/TSVC/GlobalDataFlow-dbl/GlobalDataFlow-dbl
        5.3418%        1.2449
MultiSource/Benchmarks/TSVC/GlobalDataFlow-flt/GlobalDataFlow-flt
        4.4470%        1.2188
MultiSource/Benchmarks/TSVC/IndirectAddressing-dbl/IndirectAddressing-dbl
        7.3145%        1.1443
MultiSource/Benchmarks/TSVC/IndirectAddressing-flt/IndirectAddressing-flt
        18.5192%        1.0805
MultiSource/Benchmarks/TSVC/InductionVariable-dbl/InductionVariable-dbl
        -14.0255%        1.1693
MultiSource/Benchmarks/TSVC/InductionVariable-flt/InductionVariable-flt
        4.2940%        1.2599
MultiSource/Benchmarks/TSVC/LinearDependence-dbl/LinearDependence-dbl
        12.2398%        1.1912
MultiSource/Benchmarks/TSVC/LinearDependence-flt/LinearDependence-flt
        14.9716%        1.1809
MultiSource/Benchmarks/TSVC/LoopRerolling-dbl/LoopRerolling-dbl
        -3.1203%        1.2531
MultiSource/Benchmarks/TSVC/LoopRerolling-flt/LoopRerolling-flt
        1.7193%        1.2505
MultiSource/Benchmarks/TSVC/LoopRestructuring-dbl/LoopRestructuring-dbl
        3.3518%        1.1904
MultiSource/Benchmarks/TSVC/LoopRestructuring-flt/LoopRestructuring-flt
        17.4818%        1.0960
MultiSource/Benchmarks/TSVC/NodeSplitting-dbl/NodeSplitting-dbl
        9.6001%        1.0927
MultiSource/Benchmarks/TSVC/NodeSplitting-flt/NodeSplitting-flt
        0.9135%        1.2479
MultiSource/Benchmarks/TSVC/Packing-dbl/Packing-dbl
        -4.8665%        1.2247
MultiSource/Benchmarks/TSVC/Packing-flt/Packing-flt
        15.4545%        1.0780
MultiSource/Benchmarks/TSVC/Recurrences-dbl/Recurrences-dbl
        10.2826%        1.1252
MultiSource/Benchmarks/TSVC/Recurrences-flt/Recurrences-flt
        9.3191%        1.0956
MultiSource/Benchmarks/TSVC/Reductions-dbl/Reductions-dbl
        11.2247%        1.1840
MultiSource/Benchmarks/TSVC/Reductions-flt/Reductions-flt
        -13.4958%        1.3256
MultiSource/Benchmarks/TSVC/Searching-dbl/Searching-dbl
        -8.9187%        1.2356
MultiSource/Benchmarks/TSVC/Searching-flt/Searching-flt
        5.0593%        1.1721
MultiSource/Benchmarks/TSVC/StatementReordering-dbl/StatementReordering-dbl
        -5.1540%        1.2146
MultiSource/Benchmarks/TSVC/StatementReordering-flt/StatementReordering-flt
        7.7742%        1.1744
MultiSource/Benchmarks/TSVC/Symbolics-dbl/Symbolics-dbl
        -9.5361%        1.2028
MultiSource/Benchmarks/TSVC/Symbolics-flt/Symbolics-flt
        12.2185%        1.1458
MultiSource/Benchmarks/Trimaran/enc-3des/enc-3des
        -1.0976%        0.2551
MultiSource/Benchmarks/Trimaran/enc-md5/enc-md5
        -3.3930%        0.1621
MultiSource/Benchmarks/Trimaran/enc-pc1/enc-pc1
        -3.3223%        0.0903
MultiSource/Benchmarks/Trimaran/enc-rc4/enc-rc4
        0.4754%        0.0631
MultiSource/Benchmarks/Trimaran/netbench-crc/netbench-crc
        4.2537%        0.1340
MultiSource/Benchmarks/Trimaran/netbench-url/netbench-url
        1.8034%        0.2828
MultiSource/Benchmarks/VersaBench/8b10b/8b10b
        -4.7090%        0.1529
MultiSource/Benchmarks/VersaBench/beamformer/beamformer
        0.4762%        0.1470
MultiSource/Benchmarks/VersaBench/bmm/bmm
        -6.3218%        0.1044
MultiSource/Benchmarks/VersaBench/dbms/dbms
        0.9138%        1.9041
MultiSource/Benchmarks/VersaBench/ecbdes/ecbdes
        -2.6248%        0.3086
MultiSource/Benchmarks/llubenchmark/llu
        -6.4982%        0.0831
MultiSource/Benchmarks/mafft/pairlocalalign
        -0.4217%        8.5846
MultiSource/Benchmarks/mediabench/adpcm/rawcaudio/rawcaudio
        -8.3725%        0.1063
MultiSource/Benchmarks/mediabench/adpcm/rawdaudio/rawdaudio
        9.3248%        0.0933
MultiSource/Benchmarks/mediabench/g721/g721encode/encode
        -0.1193%        0.3354
MultiSource/Benchmarks/mediabench/gsm/toast/toast
        -3.0290%        1.6177
MultiSource/Benchmarks/mediabench/jpeg/jpeg-6a/cjpeg
        -1.8806%        5.6845
MultiSource/Benchmarks/mediabench/mpeg2/mpeg2dec/mpeg2decode
        -0.5020%        1.5539
MultiSource/Benchmarks/nbench/nbench
        2.1258%        1.0114
MultiSource/Benchmarks/sim/sim
        -3.6286%        0.2811
MultiSource/Benchmarks/tramp3d-v4/tramp3d-v4
        2.3999%        15.1839
SingleSource/Benchmarks/Adobe-C++/functionobjects
        1.3158%        0.3800
SingleSource/Benchmarks/Adobe-C++/loop_unroll
        -1.3014%        2.6356
SingleSource/Benchmarks/Adobe-C++/simple_types_constant_folding
        -4.0832%        2.2115
SingleSource/Benchmarks/Adobe-C++/simple_types_loop_invariant
        8.9317%        1.6447
SingleSource/Benchmarks/Adobe-C++/stepanov_abstraction
        -0.9164%        0.5238
SingleSource/Benchmarks/Adobe-C++/stepanov_vector
        0.0000%        0.7433
SingleSource/Benchmarks/BenchmarkGame/Large/fasta
        -6.0820%        0.0707
SingleSource/Benchmarks/BenchmarkGame/fannkuch
        -0.5102%        0.0784
SingleSource/Benchmarks/BenchmarkGame/n-body
        -2.6196%        0.0878
SingleSource/Benchmarks/BenchmarkGame/nsieve-bits
        -5.3448%        0.0580
SingleSource/Benchmarks/BenchmarkGame/partialsums
        11.5174%        0.0547
SingleSource/Benchmarks/BenchmarkGame/puzzle
        2.4691%        0.0729
SingleSource/Benchmarks/BenchmarkGame/recursive
        2.5845%        0.0503
SingleSource/Benchmarks/BenchmarkGame/spectral-norm
        1.1084%        0.0812
SingleSource/Benchmarks/CoyoteBench/almabench
        7.3996%        0.0946
SingleSource/Benchmarks/CoyoteBench/fftbench
        0.7819%        0.3709
SingleSource/Benchmarks/CoyoteBench/huffbench
        -3.9965%        0.1151
SingleSource/Benchmarks/CoyoteBench/lpbench
        -4.9255%        0.1746
SingleSource/Benchmarks/Dhrystone/dry
        -7.4468%        0.0752
SingleSource/Benchmarks/Dhrystone/fldry
        -8.1579%        0.0760
SingleSource/Benchmarks/Linpack/linpack-pc
        3.1542%        0.2568
SingleSource/Benchmarks/McGill/chomp
        3.4219%        0.2221
SingleSource/Benchmarks/McGill/exptree
        -6.1940%        0.1227
SingleSource/Benchmarks/McGill/misr
        5.5556%        0.0846
SingleSource/Benchmarks/McGill/queens
        -2.4602%        0.0691
SingleSource/Benchmarks/Misc-C++-EH/spirit
        -0.6575%        3.2852
SingleSource/Benchmarks/Misc-C++/Large/ray
        -2.1576%        0.3059
SingleSource/Benchmarks/Misc-C++/Large/sphereflake
        -9.0606%        0.3002
SingleSource/Benchmarks/Misc-C++/bigfib
        -21.7057%        0.5464
SingleSource/Benchmarks/Misc-C++/mandel-text
        -13.9959%        0.0493
SingleSource/Benchmarks/Misc-C++/oopack_v1p8
        0.0000%        0.1312
SingleSource/Benchmarks/Misc-C++/stepanov_container
        0.4430%        0.6998
SingleSource/Benchmarks/Misc-C++/stepanov_v1p2
        -2.8586%        0.1994
SingleSource/Benchmarks/Misc/ReedSolomon
        -0.8681%        0.1843
SingleSource/Benchmarks/Misc/dt
        2.8391%        0.0634
SingleSource/Benchmarks/Misc/fbench
        -8.6188%        0.0905
SingleSource/Benchmarks/Misc/ffbench
        1.8559%        0.0916
SingleSource/Benchmarks/Misc/flops
        -5.3407%        0.1086
SingleSource/Benchmarks/Misc/flops-1
        0.1799%        0.0556
SingleSource/Benchmarks/Misc/flops-2
        9.6386%        0.0498
SingleSource/Benchmarks/Misc/flops-3
        0.1887%        0.0530
SingleSource/Benchmarks/Misc/flops-4
        -7.8365%        0.0587
SingleSource/Benchmarks/Misc/flops-5
        -7.9661%        0.0590
SingleSource/Benchmarks/Misc/flops-6
        2.1818%        0.0550
SingleSource/Benchmarks/Misc/flops-7
        8.2430%        0.0461
SingleSource/Benchmarks/Misc/flops-8
        -15.0082%        0.0613
SingleSource/Benchmarks/Misc/fp-convert
        -5.9369%        0.0539
SingleSource/Benchmarks/Misc/himenobmtxpa
        -1.3627%        0.1908
SingleSource/Benchmarks/Misc/lowercase
        -6.9767%        0.0516
SingleSource/Benchmarks/Misc/mandel
        -10.4987%        0.0762
SingleSource/Benchmarks/Misc/mandel-2
        5.6641%        0.0512
SingleSource/Benchmarks/Misc/matmul_f64_4x4
        -5.0435%        0.0575
SingleSource/Benchmarks/Misc/oourafft
        -12.8955%        0.2086
SingleSource/Benchmarks/Misc/perlin
        -12.2166%        0.0794
SingleSource/Benchmarks/Misc/pi
        -9.5745%        0.0470
SingleSource/Benchmarks/Misc/richards_benchmark
        -5.3377%        0.0918
SingleSource/Benchmarks/Misc/salsa20
        -9.1822%        0.0697
SingleSource/Benchmarks/Misc/whetstone
        -1.6129%        0.1054
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        -5.1515%        0.0330
SingleSource/UnitTests/block-copied-in-cxxobj
        8.5873%        0.0361
SingleSource/UnitTests/block-copied-in-cxxobj-1
        -21.4876%        0.0363
SingleSource/UnitTests/blockstret
        -8.4469%        0.0367
SingleSource/UnitTests/byval-alignment
        4.9140%        0.0407
SingleSource/UnitTests/conditional-gnu-ext
        3.7534%        0.0373
SingleSource/UnitTests/conditional-gnu-ext-cxx
        -2.4938%        0.0401
SingleSource/UnitTests/initp1
        3.0166%        0.0663
SingleSource/UnitTests/member-function-pointers
        -3.0238%        0.0463
SingleSource/UnitTests/ms_struct-bitfield
        -17.6768%        0.0396
SingleSource/UnitTests/ms_struct-bitfield-1
        0.9404%        0.0319
SingleSource/UnitTests/ms_struct-bitfield-init
        3.9535%        0.0430
SingleSource/UnitTests/ms_struct-bitfield-init-1
        -10.4603%        0.0478
SingleSource/UnitTests/ms_struct_pack_layout
        -4.7619%        0.0462
SingleSource/UnitTests/ms_struct_pack_layout-1
        -16.2437%        0.0394
SingleSource/UnitTests/printargs
        -4.2857%        0.0420
SingleSource/UnitTests/stmtexpr
        -3.5047%        0.0428
SingleSource/UnitTests/vla
        -3.1818%        0.0660
Geomean = 0.9825

On Thu Aug 07 2014 at 6:34:40 PM Jiangning Liu <liujiangning1 at gmail.com>
wrote:

> Hi Jingyue,
>
> My data is for performance only.
>
> I think you can use llvm-test-suite to verify compile time CC_Time and
> CC_Real_Time. I just did this recently for my LVI patch.
>
> Thanks,
> -Jiangning
>
> http://reviews.llvm.org/D4814
>
>
>
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