From: Carter Cheng <cartercheng@...>
Date: 2010-05-13T16:29:53+09:00
Subject: Re: Ways to compare the performance of different Ruby implementations

I have been looking at the source code. Are there other ways of
getting into the differences between the implementations?

On Thu, May 13, 2010 at 9:54 AM, Edward Middleton
<edward.middleton@vortorus.net> wrote:
> On 05/13/2010 12:51 AM, Carter Cheng wrote:
>> ... I am actually not interested in running applications
>> per se but in understanding the strengths and weaknesses of each of
>> the respective platforms. I am trying to figure out what runs
>> fast/slow on each platform and what each of them are good at
>> performance wise. In terms of techniques I am curious how to proceed.
>
> I suggest you look at, and understand the qualitative differences
> between the implementations before getting into benchmarking.
>
> ruby 1.8 only supports green threads
> ruby 1.9 supports native threads with a GIL Global Interpreter Lock
> jruby supports native threads
>
> There are obviously other differences and other implementations.
>
> Edward
>
>