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add my results to Ben's, small cleanup.

This commit is contained in:
parrt 2017-03-24 13:45:37 -07:00
parent 5a93f099a3
commit 9cf26d0163
1 changed files with 29 additions and 1 deletions
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30
runtime-testsuite/test/org/antlr/v4/test/runtime/java/api/perf/TimeLexerSpeed.java
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@ -40,6 +40,32 @@ Warming up Java compiler....
lex_legacy_grapheme_utf8 average time 10040us over 400 runs of 13379 symbols from udhr_hin.txt
lex_legacy_grapheme_utf8 average time 10221us over 400 runs of 13379 symbols from udhr_hin.txt DFA cleared
*
* Sample output on OS X with 4 GHz Intel Core i7 (us == microseconds, 1/1000 of a millisecond):
*
Java VM args: -Xms2G -Xmx2G
Warming up Java compiler....
load_legacy_java_ascii average time 45us size 54301b over 3500 loads of 29038 symbols from Parser.java
load_legacy_java_utf8 average time 44us size 60072b over 3500 loads of 29038 symbols from Parser.java
load_legacy_java_utf8 average time 129us size 23110b over 3500 loads of 13379 symbols from udhr_hin.txt
load_new_utf8 average time 184us size 190579b over 3500 loads of 29038 symbols from Parser.java
load_new_utf8 average time 196us size 57482b over 3500 loads of 13379 symbols from udhr_hin.txt
lex_legacy_java_utf8 average time 388us over 2000 runs of 29038 symbols
lex_legacy_java_utf8 average time 922us over 2000 runs of 29038 symbols DFA cleared
lex_new_java_utf8 average time 452us over 2000 runs of 29038 symbols
lex_new_java_utf8 average time 977us over 2000 runs of 29038 symbols DFA cleared
lex_legacy_grapheme_utf8 average time 6802us over 400 runs of 6614 symbols from udhr_kor.txt
lex_legacy_grapheme_utf8 average time 6950us over 400 runs of 6614 symbols from udhr_kor.txt DFA cleared
lex_legacy_grapheme_utf8 average time 6233us over 400 runs of 13379 symbols from udhr_hin.txt
lex_legacy_grapheme_utf8 average time 6172us over 400 runs of 13379 symbols from udhr_hin.txt DFA cleared
lex_new_grapheme_utf8 average time 6962us over 400 runs of 6614 symbols from udhr_kor.txt
lex_new_grapheme_utf8 average time 7045us over 400 runs of 6614 symbols from udhr_kor.txt DFA cleared
lex_new_grapheme_utf8 average time 6161us over 400 runs of 13379 symbols from udhr_hin.txt
lex_new_grapheme_utf8 average time 6217us over 400 runs of 13379 symbols from udhr_hin.txt DFA cleared
lex_new_grapheme_utf8 average time 108us over 400 runs of 85 symbols from emoji.txt
lex_new_grapheme_utf8 average time 109us over 400 runs of 85 symbols from emoji.txt DFA cleared
*
* The "DFA cleared" indicates that the lexer was returned to initial conditions
* before the tokenizing of each file. As the ALL(*) lexer encounters new input,
* it records how it tokenized the chars. The next time it sees that input,
@ -132,7 +158,9 @@ public class TimeLexerSpeed { // don't call it Test else it'll run during "mvn t
long beforeFreeMem = Runtime.getRuntime().freeMemory();
long start = System.nanoTime(); // track only time to suck data out of stream
for (int i = 0; i<n; i++) {
input[i] = new ANTLRInputStream(streams[i]);
try (InputStream is = streams[i]) {
input[i] = new ANTLRInputStream(is);
}
}
long stop = System.nanoTime();
long tus = (stop-start)/1000;