• Profiling Ruby, or, How I Made Rails Start Up Faster « tddium

    blog.tddium.com 20 Nov '12, 2pm

    records that we’re spending time in a function, it can also record the whole call stack so we can blame the callers too. To do this it needs a little help from us when we compile the program we’re profiling, i.e. the Ruby interpreter — we need to pass the -pg option to gcc . Unfortuna...