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Distinct solutions after online classification (auto/crowd-tune GCC compiler flags (minimize execution time, do not degrade code size))

Scenario UID6b9845eca8aa7fa5 (experiment.tune.compiler.flags.gcc.e.x)
Data UID64b9c9ad19dd4ae3
Discuss (optimizations to improve compilers,
semantic/data set/hardware features
to improve predictions
, etc):
GitHub wiki, Google group
Download:[ All solutions in JSON ], [ Solutions' classification in JSON ]
Reproduce all (with reactions):ck replay 6b9845eca8aa7fa5:64b9c9ad19dd4ae3
CompilerGCC 4.9.2
CPUAMD Opteron(tm) Processor 250
Objectivemin
Improvement key IK1Main kernel execution time speedup [min]
Improvement key IK2Code size improvement

Improvements (<4% variation) Distinct workload for highest improvement
# Solution UID IK1 IK2 New distinct optimization choices Ref Best species Worst species Touched Iters Program CMD Dataset Dataset file CPU freq (MHz) Cores Platform OS Replay
S1 bb260852173b1ff1 3.33 0.95 -O3 -fno-guess-branch-probability -funroll-all-loops --param max-unroll-times=4 -O3 4 2 38 69 milepost-codelet-mibench-automotive-bitcount-src-bitcnts-codelet-1-1 default 2393.099, 2393.099 2 Sun Microsystems 00 (Sun Fire V20z) Debian 3.16.7
S2 7dd98492b84a745b 2.63 0.93 -O3 -fschedule-insns -funroll-loops --param max-average-unrolled-insns=32 --param max-pending-list-length=6 -O3 2 1 31 64 milepost-codelet-mibench-automotive-bitcount-src-bitcnts-codelet-1-1 default 2393.099, 2393.099 2 Sun Microsystems 00 (Sun Fire V20z) Debian 3.16.7
S3 44579b86ac7bc7bf 1.62 1.00 -O3 -fbranch-probabilities -fno-tree-copyrename -fsched-stalled-insns=0 -O3 2 1 40 70 cbench-telecom-crc32 default image-tiff-0023-nocomp data.tiff 2393.099, 2393.099 2 Sun Microsystems 00 (Sun Fire V20z) Debian 3.16.7
S4 cf8cbde2adf61291 1.51 0.91 -O3 -fschedule-insns -funroll-all-loops -O3 1 3 17 52 milepost-codelet-mibench-office-ghostscript-src-gdevpbm-codelet-1-1 default 2393.031, 2393.031 2 Sun Microsystems 00 (Sun Fire V20z) Debian 3.16.7
S5 4a51bc85fb0c5bce 1.44 1.00 -O3 -fno-tree-slsr -fno-tree-vectorize -O3 1 0 10 48 milepost-codelet-mibench-consumer-tiffmedian-src-tiffmedian-codelet-1-1 default 2393.193, 2393.193 2 Sun Microsystems 00 (Sun Fire V20z) Debian 3.16.7
S6 be480a93cfbf4b92 1.31 0.93 -O3 -funroll-loops -O3 2 2 22 56 cbench-automotive-bitcount default number-0014 2393.193, 2393.193 2 Sun Microsystems 00 (Sun Fire V20z) Debian 3.16.7
S7 608340d6dd190e01 1.30 1.06 -O3 -fno-omit-frame-pointer -fno-predictive-commoning -fno-tree-loop-im --param align-threshold=66 -O3 1 0 3 42 cbench-telecom-gsm default au-0013 data.au 2393.193, 2393.193 2 Sun Microsystems 00 (Sun Fire V20z) Debian 3.16.7
S8 719b362478f6396c 1.19 0.98 -O3 -fno-crossjumping -O3 1 0 13 49 milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-8-1 default 2393.193, 2393.193 2 Sun Microsystems 00 (Sun Fire V20z) Debian 3.16.7
S9 3607b53d8e774b22 1.18 0.99 -O3 -ftracer -fno-tree-copyrename -O3 1 1 41 70 milepost-codelet-mibench-consumer-tiffmedian-src-tiffmedian-codelet-1-1 default 2393.099, 2393.099 2 Sun Microsystems 00 (Sun Fire V20z) Debian 3.16.7
S10 0968fe245f291a83 1.18 0.87 -O3 -fno-merge-constants -fsched-stalled-insns=0 --param max-completely-peeled-insns=133 -O3 1 0 42 70 milepost-codelet-mibench-telecomm-gsm-src-short-term-codelet-2-1 default 2393.099, 2393.099 2 Sun Microsystems 00 (Sun Fire V20z) Debian 3.16.7
S11 4ed3bb4e3e843209 1.16 1.00 -O3 -fpeel-loops -O3 1 0 13 49 milepost-codelet-mibench-consumer-tiff2rgba-src-tif-predict-codelet-4-1 default 2393.031, 2393.031 2 Sun Microsystems 00 (Sun Fire V20z) Debian 3.16.7



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