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authorAlexis Roda <alexis.roda.villalonga@gmail.com>2019-04-07 13:09:23 +0200
committerAlexis Roda <alexis.roda.villalonga@gmail.com>2019-07-26 21:43:01 +0200
commit9dc95398e2b2d09be884d71b0dbc6705d7715a2b (patch)
treed47515fd6d6c48490dfa3f911e51e3ade71684dc /tests.py
parentc4de499db06c6343cd741d27f4ed4d6d878aad46 (diff)
downloadz80count-9dc95398e2b2d09be884d71b0dbc6705d7715a2b.tar.gz
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Compile regexes lazyly.
Profiling shows that compiling the regexes takes most of the execution time. Compiling them when needed instead of compiling all of them upfront decreases execution time from 0.70 to 0.12 seconds. Ordered by: cumulative time ncalls tottime percall cumtime percall filename:lineno(function) 6/1 0.000 0.000 0.702 0.702 {built-in method builtins.exec} 1 0.001 0.001 0.702 0.702 z80count.py:24(<module>) 1 0.000 0.000 0.696 0.696 z80count.py:104(main) 1 0.000 0.000 0.692 0.692 z80count.py:65(__init__) 1 0.005 0.005 0.692 0.692 z80count.py:77(_load_table) 1888 0.001 0.000 0.680 0.000 re.py:232(compile) 1891 0.017 0.000 0.680 0.000 re.py:271(_compile) 1631 0.009 0.000 0.647 0.000 sre_compile.py:759(compile) 1631 0.006 0.000 0.325 0.000 sre_parse.py:919(parse) 3263/1631 0.008 0.000 0.312 0.000 sre_parse.py:417(_parse_sub) 1631 0.003 0.000 0.306 0.000 sre_compile.py:598(_code) 3266/1632 0.115 0.000 0.305 0.000 sre_parse.py:475(_parse) 16700/1631 0.112 0.000 0.246 0.000 sre_compile.py:71(_compile) 131243 0.061 0.000 0.086 0.000 sre_parse.py:164(__getitem__) 1631 0.007 0.000 0.057 0.000 sre_compile.py:536(_compile_info) 18331/3262 0.043 0.000 0.053 0.000 sre_parse.py:174(getwidth) 48041 0.018 0.000 0.047 0.000 sre_parse.py:254(get) 9741 0.030 0.000 0.039 0.000 sre_compile.py:276(_optimize_charset) 52307 0.033 0.000 0.033 0.000 sre_parse.py:233(__next) 13432 0.010 0.000 0.029 0.000 sre_compile.py:423(_simple) 173223/156520 0.021 0.000 0.026 0.000 {built-in method builtins.len} 237477 0.024 0.000 0.024 0.000 {method 'append' of 'list' objects} 142999 0.022 0.000 0.022 0.000 {built-in method builtins.isinstance} 9741 0.016 0.000 0.019 0.000 sre_compile.py:249(_compile_charset) 43579 0.014 0.000 0.018 0.000 sre_parse.py:160(__len__) 30678 0.010 0.000 0.014 0.000 sre_parse.py:172(append) 1631 0.001 0.000 0.012 0.000 sre_parse.py:96(closegroup) 1631 0.004 0.000 0.011 0.000 enum.py:827(__and__) 19310 0.009 0.000 0.011 0.000 sre_parse.py:286(tell) 35044 0.011 0.000 0.011 0.000 {built-in method builtins.min} 10767 0.007 0.000 0.010 0.000 sre_parse.py:343(_escape) 23891 0.006 0.000 0.008 0.000 sre_parse.py:249(match) 16701 0.008 0.000 0.008 0.000 sre_parse.py:111(__init__) 3270 0.003 0.000 0.006 0.000 enum.py:281(__call__)
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