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Former-commit-id: d1dd2ecf337cf8cda71e0da2af0647813b8de24a
This commit is contained in:
John-David Dalton
2012-08-02 00:32:15 -07:00
parent 5a9a18501d
commit 4f688028ad
3 changed files with 122 additions and 67 deletions
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129
vendor/benchmark.js/benchmark.js vendored
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@@ -2410,8 +2410,7 @@
'teardown': getSource(bench.teardown, preprocess('m$.teardown()'))
};
var compiled = bench.compiled,
count = bench.count = clone.count,
var count = bench.count = clone.count,
decompilable = support.decompilation || stringable,
id = bench.id,
isEmpty = !(source.fn || stringable),
@@ -2433,77 +2432,77 @@
}
}
if (!compiled) {
// compile in setup/teardown functions and the test loop
compiled = bench.compiled = createFunction(preprocess('t$'), interpolate(
preprocess(deferred
? 'var d$=this,#{fnArg}=d$,m$=d$.benchmark._original,f$=m$.fn,su$=m$.setup,td$=m$.teardown;' +
// when `deferred.cycles` is `0` then...
'if(!d$.cycles){' +
// set `deferred.fn`
'd$.fn=function(){var #{fnArg}=d$;if(typeof f$=="function"){try{#{fn}\n}catch(e$){f$(d$)}}else{#{fn}\n}};' +
// set `deferred.teardown`
'd$.teardown=function(){d$.cycles=0;if(typeof td$=="function"){try{#{teardown}\n}catch(e$){td$()}}else{#{teardown}\n}};' +
// execute the benchmark's `setup`
'if(typeof su$=="function"){try{#{setup}\n}catch(e$){su$()}}else{#{setup}\n};' +
// start timer
't$.start(d$);' +
// execute `deferred.fn` and return a dummy object
'}d$.fn();return{}'
// Compile in setup/teardown functions and the test loop.
// Create a new compiled test, instead of using the cached `bench.compiled`,
// to avoid potential engine optimizations enabled over the life of the test.
var compiled = bench.compiled = createFunction(preprocess('t$'), interpolate(
preprocess(deferred
? 'var d$=this,#{fnArg}=d$,m$=d$.benchmark._original,f$=m$.fn,su$=m$.setup,td$=m$.teardown;' +
// when `deferred.cycles` is `0` then...
'if(!d$.cycles){' +
// set `deferred.fn`
'd$.fn=function(){var #{fnArg}=d$;if(typeof f$=="function"){try{#{fn}\n}catch(e$){f$(d$)}}else{#{fn}\n}};' +
// set `deferred.teardown`
'd$.teardown=function(){d$.cycles=0;if(typeof td$=="function"){try{#{teardown}\n}catch(e$){td$()}}else{#{teardown}\n}};' +
// execute the benchmark's `setup`
'if(typeof su$=="function"){try{#{setup}\n}catch(e$){su$()}}else{#{setup}\n};' +
// start timer
't$.start(d$);' +
// execute `deferred.fn` and return a dummy object
'}d$.fn();return{}'
: 'var r$,s$,m$=this,f$=m$.fn,i$=m$.count,n$=t$.ns;#{setup}\n#{begin};' +
'while(i$--){#{fn}\n}#{end};#{teardown}\nreturn{elapsed:r$,uid:"#{uid}"}'),
: 'var r$,s$,m$=this,f$=m$.fn,i$=m$.count,n$=t$.ns;#{setup}\n#{begin};' +
'while(i$--){#{fn}\n}#{end};#{teardown}\nreturn{elapsed:r$,uid:"#{uid}"}'),
source
));
try {
if (isEmpty) {
// Firefox may remove dead code from Function#toString results
// http://bugzil.la/536085
throw new Error('The test "' + name + '" is empty. This may be the result of dead code removal.');
}
else if (!deferred) {
// pretest to determine if compiled code is exits early, usually by a
// rogue `return` statement, by checking for a return object with the uid
bench.count = 1;
compiled = (compiled.call(bench, timer) || {}).uid == uid && compiled;
bench.count = count;
}
} catch(e) {
compiled = null;
clone.error = e || new Error(String(e));
bench.count = count;
}
// fallback when a test exits early or errors during pretest
if (decompilable && !compiled && !deferred && !isEmpty) {
compiled = createFunction(preprocess('t$'), interpolate(
preprocess(
(clone.error && !stringable
? 'var r$,s$,m$=this,f$=m$.fn,i$=m$.count'
: 'function f$(){#{fn}\n}var r$,s$,m$=this,i$=m$.count'
) +
',n$=t$.ns;#{setup}\n#{begin};m$.f$=f$;while(i$--){m$.f$()}#{end};' +
'delete m$.f$;#{teardown}\nreturn{elapsed:r$}'
),
source
));
try {
if (isEmpty) {
// Firefox may remove dead code from Function#toString results
// http://bugzil.la/536085
throw new Error('The test "' + name + '" is empty. This may be the result of dead code removal.');
}
else if (!deferred) {
// pretest to determine if compiled code is exits early, usually by a
// rogue `return` statement, by checking for a return object with the uid
bench.count = 1;
compiled = (compiled.call(bench, timer) || {}).uid == uid && compiled;
bench.count = count;
}
} catch(e) {
compiled = null;
clone.error = e || new Error(String(e));
// pretest one more time to check for errors
bench.count = 1;
compiled.call(bench, timer);
bench.compiled = compiled;
bench.count = count;
delete clone.error;
}
// fallback when a test exits early or errors during pretest
if (decompilable && !compiled && !deferred && !isEmpty) {
compiled = createFunction(preprocess('t$'), interpolate(
preprocess(
(clone.error && !stringable
? 'var r$,s$,m$=this,f$=m$.fn,i$=m$.count'
: 'function f$(){#{fn}\n}var r$,s$,m$=this,i$=m$.count'
) +
',n$=t$.ns;#{setup}\n#{begin};m$.f$=f$;while(i$--){m$.f$()}#{end};' +
'delete m$.f$;#{teardown}\nreturn{elapsed:r$}'
),
source
));
try {
// pretest one more time to check for errors
bench.count = 1;
compiled.call(bench, timer);
catch(e) {
bench.count = count;
if (clone.error) {
compiled = null;
} else {
bench.compiled = compiled;
bench.count = count;
delete clone.error;
}
catch(e) {
bench.count = count;
if (clone.error) {
compiled = null;
} else {
bench.compiled = compiled;
clone.error = e || new Error(String(e));
}
clone.error = e || new Error(String(e));
}
}
}