Performance Issues

[jlukic]

I'm seeing drastic performance difference when using gulp-concat-css over gulp-concat

• 15-30s to build 600kb file on quad-core versus with gulp-concat-css
• 1-2s with gulp-concat

I know rework is necessary, but perhaps there's some room for performance gains?
Semantic-Org/Semantic-UI#1464

[mariocasciaro]

May I know some more details about your sources? How many files are you concatenating? What's the typical dependency depth?

[jlukic]

• Concatenating about 50 css files
• Not inlining any @import rules
• Moving a single remote @import to the top of the css.

  return gulp.src(output.uncompressed + '**/' + componentGlob + config.ignoredFiles + '.css')
    .pipe(plumber())
    .pipe(concatCSS('semantic.css'))
      .pipe(gulp.dest(output.packaged))
      .pipe(print(log.created))
  ;

[mariocasciaro]

Version 1.2.0 includes a performance fix (20% improvement). Please, let me know what's the improvement for you project.