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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	746c5bfa98c2f60b

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 8289e0cf24346aa7:746c5bfa98c2f60b

Compiler	GCC 4.9
CPU	OMAP4 Espresso board
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

Replay

cfa79997a756fd68

1.26

1.00

-O3 -fgraphite-identity -fgcse-sm -fipa-reference -fno-live-range-shrinkage -fsigned-zeros -fno-reorder-blocks-and-partition -fno-rerun-cse-after-loop -fsched2-use-superblocks -fselective-scheduling -fno-shrink-wrap -fsplit-wide-types -fno-strict-overflow -fno-thread-jumps -ftree-ccp -ftree-loop-ivcanon -fno-vpt --param max-inline-insns-recursive-auto=680 --param max-delay-slot-insn-search=66 --param max-delay-slot-live-search=487 --param early-inlining-insns=9 --param gcse-unrestricted-cost=1 --param max-peeled-insns=164 --param sms-loop-average-count-threshold=0 --param hot-bb-frequency-fraction=539 --param tracer-min-branch-ratio=35 --param scev-max-expr-complexity=0 --param omega-hash-table-size=133 --param selsched-insns-to-rename=4 --param max-jump-thread-duplication-stmts=27 --param graphite-max-bbs-per-function=188 --param uninit-control-dep-attempts=1136

-O3

milepost-codelet-mibench-security-pgp-e-src-mpilib-codelet-3-1

default

1008, 1008

SAMSUNG GALAXY TAB 2

Android 7.1.2

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