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Distinct solutions after online classification (auto/crowd-tune LLVM compiler flags (minimize execution time))

Scenario UID2aaed4c520956635 (experiment.tune.compiler.flags.llvm.e)
Data UID45f7a6043fb80003
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 2aaed4c520956635:45f7a6043fb80003
CompilerLLVM 3.9.0
CPUIntel(R) Xeon(R) CPU E5-2630 0 @ 2.30GHz
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 7944a3ba2ad2540d 2.66 1.50 -O3 -mno-implicit-float -O3 1 2 58 88 milepost-codelet-mibench-telecomm-gsm-src-rpe-codelet-4-1 default 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 5834.928, 2599.988, 2599.988, 6847.677 12 Dell Inc. (PowerEdge R720) Debian 3.16.7
S2 e0895474e70a6633 1.43 1.00 -O3 -ffast-math -O3 1 1 49 80 milepost-codelet-mibench-consumer-lame-src-newmdct-codelet-10-1 default 6210.808, 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 4294879.634, 2599.988, 420.674, 2599.988 12 Dell Inc. (PowerEdge R720) Debian 3.16.7
S3 c4bec84faf8a0958 1.31 0.99 -O3 -fno-unroll-loops -fwrapv -O3 3 2 63 91 milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-9-1 default 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 4286621.197, 2599.988, 2599.988, 2599.988 12 Dell Inc. (PowerEdge R720) Debian 3.16.7
S4 6fb948ad997f0b00 1.21 0.99 -O3 -mstackrealign -O3 1 1 21 53 milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-8-1 default 2599.988, 5658.142, 2599.988, 5657.243, 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 2599.988, 5314.527, 4288953.248 12 Dell Inc. (PowerEdge R720) Debian 3.16.7
S5 00817d10682c7b57 1.17 0.97 -O3 -fslp-vectorize-aggressive -O3 1 1 61 90 milepost-codelet-mibench-security-pgp-e-src-mpilib-codelet-3-1 default 2599.988, 2599.988, 2599.988, 4291910.658, 2599.988, 2599.988, 2599.988, 2599.988, 5801.39, 2599.988, 4290045.501, 2599.988 12 Dell Inc. (PowerEdge R720) Debian 3.16.7



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