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Distinct solutions after online classification (auto/crowd-tune GCC compiler flags (minimize execution time))
Scenario UID
8289e0cf24346aa7 (experiment.tune.compiler.flags.gcc.e)
Data UID
03064a714999bc65
Discuss (optimizations to improve compilers,
semantic/data set/hardware features
to improve predictions
, etc):
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Reproduce all (with reactions):
ck replay 8289e0cf24346aa7:03064a714999bc65
Compiler
GCC 4.9
CPU
star
Objective
min
Improvement key IK1
Main kernel execution time speedup [min]
Improvement key IK2
Code 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
4b39833f13707fa7
1.14
0.98
-O3 -fcombine-stack-adjustments -fno-conserve-stack -fno-crossjumping -fno-early-inlining -fgcse-lm -fno-gcse-sm -findirect-inlining -fipa-cp-clone -fno-ira-share-spill-slots -floop-parallelize-all -fmodulo-sched -fno-rerun-cse-after-loop -fno-sched-spec-insn-heuristic -fsched-dep-count-heuristic -ftree-coalesce-vars -ftree-dce -ftree-loop-distribute-patterns -fno-tree-partial-pre -fno-tree-ter -fvpt --param predictable-branch-outcome=13 --param max-variable-expansions-in-unroller=0 --param max-unrolled-insns=80 --param max-unswitch-level=1 --param max-iterations-to-track=1056 --param tracer-max-code-growth=185 --param lim-expensive=3 --param omega-max-eqs=48 --param max-sched-region-blocks=15 --param sched-state-edge-prob-cutoff=50 --param prefetch-latency=246 --param prefetch-min-insn-to-mem-ratio=6 --param lto-min-partition=616 --param tree-reassoc-width=0 --param asan-use-after-return=0 --param uninit-control-dep-attempts=1495
-O3
1
0
2
1
milepost-codelet-mibench-consumer-jpeg-c-src-jchuff-codelet-9-1
default
1000, 1000
1
LGE LG-P990
Android 4.0.4
S2
d6daa222b3df79a2
1.11
1.00
-O3 -fno-auto-inc-dec -fbranch-target-load-optimize -fcse-follow-jumps -fcse-skip-blocks -fno-devirtualize -fno-finite-math-only -fno-function-sections -fno-gcse-las -finline-small-functions -fno-ipa-reference -fno-ira-loop-pressure -fira-share-save-slots -fno-ivopts -fno-keep-static-consts -fmath-errno -foptimize-sibling-calls -fno-sched-critical-path-heuristic -fno-strict-overflow -fno-tree-loop-if-convert-stores -fno-tree-phiprop -fno-tree-switch-conversion -fno-tree-vectorize -funsafe-loop-optimizations -fno-unswitch-loops --param max-inline-insns-recursive=702 --param max-inline-recursive-depth=7 --param max-delay-slot-insn-search=36 --param sms-dfa-history=0 --param min-crossjump-insns=1 --param omega-max-vars=199 --param omega-max-keys=634 --param vect-max-version-for-alias-checks=12 --param max-reload-search-insns=41 --param max-sched-insn-conflict-delay=5 --param ira-max-loops-num=71 --param lra-max-considered-reload-pseudos=3 --param graphite-max-nb-scop-params=17 --param prefetch-min-insn-to-mem-ratio=1 --param ipa-cp-value-list-size=15 --param allow-load-data-races=1 --param asan-memintrin=0 --param asan-use-after-return=1
-O3
1
0
2
1
milepost-codelet-mibench-automotive-basicmath-isqrt-codelet-1-1
default
1000, 1000
1
LGE LG-P990
Android 4.0.4
S3
5ee2f1f993644540
1.09
1.00
-O3 -ffat-lto-objects -fno-modulo-sched -fpeel-loops -fno-ree -fshrink-wrap -fno-split-wide-types -fno-tree-ccp -ftree-ch -fno-tree-tail-merge -ftree-vrp -ffp-contract=fast --param max-inline-insns-single=44 --param max-variable-expansions-in-unroller=0 --param min-vect-loop-bound=1 --param large-unit-insns=11922 --param ipcp-unit-growth=16 --param large-stack-frame=421 --param max-unrolled-insns=284 --param max-completely-peel-times=7 --param max-unswitch-insns=70 --param max-iterations-to-track=1433 --param sms-loop-average-count-threshold=0 --param hot-bb-count-ws-permille=141 --param hot-bb-frequency-fraction=973 --param max-crossjump-edges=28 --param max-goto-duplication-insns=13 --param vect-max-peeling-for-alignment=26 --param max-pipeline-region-blocks=13 --param ssp-buffer-size=4 --param ipa-sra-ptr-growth-factor=2 --param ipa-cp-eval-threshold=228 --param sched-pressure-algorithm=2 --param asan-stack=1
-O3
1
0
2
1
milepost-codelet-mibench-consumer-tiffmedian-src-tiffmedian-codelet-5-1
default
1000, 1000
1
LGE LG-P990
Android 4.0.4
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