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Last change
on this file since df56e25 was 08ed947, checked in by Michael Brooks <mlbrooks@…>, 4 years ago |
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Roll up of string changes for performance testing/improvement, and a couple API features supporting them.
String API changes:
Defining a tuning knob to control the heap growth policy (relapaces former 10% hardcode, downgraded to a default)
Implementing findFrom (allowing find-non-first); leaving find as find-first.
String implementation perf improvements:
Calling C-malloc directly instead of via CFA-alloc.
Replacings loops that copy with memmove calls.
Replacings loops that search for a value with memchr calls.
String perf testing realized:
Makefile supporting several prog-*.cfa, chosen by OPERATION value (implies prog.cfa changes to support the adjusted protocol)
Adjusting the starter/accumulater declarations in PEQ and PTA to behave consistently in cfa v cpp.
Adding tests: allocation, find, normalize, pass-by-val, pass-by-x.
Adding helper shell scripts for: generating flame graphs, collecting/crunching allocation stats using Mubeen's malloc wrappers
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Property mode
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File size:
415 bytes
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| 1 |
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| 2 | set SIZES='20 50 100 200 500'
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| 3 | set CFA_EXPANSIONS='0.02 0.05 0.1 0.2 0.5 0.9'
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| 4 |
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| 5 | for size in $SIZES ; do
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| 6 | echo a
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| 7 | for expansion in $CFA_EXPANSIONS ; do
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| 8 | echo LD_PRELOAD=~/plg2/mubeen-stat-shim/malloc/mallocWrappers.so ~/plg2/cfa2/cfa-cc/tests/zombies/string-perf/perfexp-cfa-pall-ll-share-na 1000 1.006 $expansion 1 caaaat ~/plg2/cfa2/cfa-cc/tests/zombies/string-perf/corpus-1-$size-1.txt
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| 9 | done ;
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| 10 | done
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