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From Andrew Grieve <agri...@chromium.org>
Subject Re: Why CLI & Plugman are so slow
Date Thu, 25 Jul 2013 17:26:51 GMT
just tried it, and it "does", but only if you have both python and visual
studio installed on your machine. Guess it builds the .dll at npm install
time :(


On Thu, Jul 25, 2013 at 1:23 PM, Anis KADRI <anis.kadri@gmail.com> wrote:

> https://github.com/rbranson/node-ffi
>
> looks like it does
>
> On Thu, Jul 25, 2013 at 10:14 AM, Filip Maj <fil@adobe.com> wrote:
> > Does it work with Windows?
> >
> > On 7/25/13 10:11 AM, "Andrew Grieve" <agrieve@chromium.org> wrote:
> >
> >>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 <fil@adobe.com> 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" <agrieve@chromium.org> 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();
> >>>
> >>>
> >
>

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