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

Scenario UID8289e0cf24346aa7 (experiment.tune.compiler.flags.gcc.e)
Data UID46455b8226c99e7f
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 8289e0cf24346aa7:46455b8226c99e7f
CompilerGCC 4.9
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 9141421ab385b387 1.12 1.03 -O3 -fno-auto-inc-dec -ffloat-store -fgcse-las -fno-graphite-identity -fno-ipa-cp -fira-loop-pressure -fno-merge-all-constants -fno-peephole -freorder-blocks-and-partition -fno-sel-sched-pipelining-outer-loops -fno-single-precision-constant -fno-tree-ccp -fno-tree-copy-prop -fno-tree-fre -ftree-loop-ivcanon -fno-tree-pta -fno-tree-switch-conversion -fvect-cost-model --param predictable-branch-outcome=33 --param gcse-after-reload-critical-fraction=13 --param max-peeled-insns=171 --param max-completely-peeled-insns=170 --param unlikely-bb-count-fraction=1154 --param tracer-max-code-growth=93 --param vect-max-peeling-for-alignment=5 --param selsched-max-sched-times=1 --param prefetch-latency=382 --param simultaneous-prefetches=4 --param l2-cache-size=647 --param max-vartrack-expr-depth=0 --param ipa-cp-array-index-hint-bonus=65 --param max-tracked-strlens=419 --param asan-globals=0 --param asan-memintrin=0 -O3 1 0 2 1 milepost-codelet-mibench-consumer-tiff2rgba-src-tif-predict-codelet-4-1 default 1001, 1001, 1001, 1001 1 SAMSUNG SM-J320A Android 7.1.1

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