Looks like the fix is pretty easy: agrieve@agrieve-macbookpro ~/git/cordova/tmp$ time node go3.js went 0 times went 10 times went 20 times went 30 times went 40 times went 50 times went 60 times went 70 times went 80 times went 90 times went 100 times
real 0m0.444s user 0m0.266s sys 0m0.158s All I did was replace "shelljs" with "shelljs-ffi". On Thu, Jul 25, 2013 at 12:53 PM, Filip Maj <[email protected]> wrote: > Cool, nice work. > > We could either try to contribute to shelljs or rip it out and go all > child process all the time > > In any case I think this bench should be submitted to shelljs repo. @r2r, > dude who maintains it, would probably like to know > > On 7/25/13 9:50 AM, "Andrew Grieve" <[email protected]> wrote: > > >One reason: shelljs.exec() > > > >Did a test to see how many times I could execute "true". 9 seconds vs .5 > >seconds! > > > > > >agrieve@agrieve-macbookpro ~/git/cordova/tmp$ time node shelljstest.js > >went 0 times > >went 10 times > >went 20 times > >went 30 times > >went 40 times > >went 50 times > >went 60 times > >went 70 times > >went 80 times > >went 90 times > >went 100 times > > > >real 0m8.873s > >user 0m10.941s > >sys 0m6.005s > >agrieve@agrieve-macbookpro ~/git/cordova/tmp$ time node > >child_processtest.js > >went 10 times > >went 20 times > >went 30 times > >went 40 times > >went 50 times > >went 60 times > >went 70 times > >went 80 times > >went 90 times > >went 100 times > > > >real 0m0.470s > >user 0m0.278s > >sys 0m0.228s > > > > > >Here's the code: > >shelljstest.js > > > >var shjs = require('shelljs'); > >> for (var i = 0; ; ++i) { > >> shjs.exec('true'); > >> if ((i / 10 | 0) == i / 10) { > >> console.log('went ' + i + ' times'); > >> } > >> if (i == 100) { > >> process.exit(0); > >> } > >> } > > > > > >child_processtest.js > > > >var child = require('child_process'); > >> var i = 0; > >> function go() { > >> child.exec('true', function() { > >> ++i; > >> if ((i / 10 | 0) == i / 10) { > >> console.log('went ' + i + ' times'); > >> } > >> if (i == 100) { > >> process.exit(0); > >> } > >> go(); > >> }); > >> } > >> go(); > >
