From: Mathieu Bouchard <matju@...>
Date: 2001-12-22T03:27:43+09:00
Subject: [ruby-talk:29249] Re: memory management


On Fri, 21 Dec 2001, Daniel P. Zepeda wrote:

> resources, about 118 MB, when I ran a=b=c=nil; GC.start, irb's memory
> usage went down to around 2 MB. Obviously ruby is somehow returning
> the memory to the underlying OS. Is this Ruby, or irb or the OS itself
> that is allowing the OS to reclaim the memory from irb?

in glibc, malloc(n) with n>=32k are allocated separately using mmap().
maybe the threshold is 128k; i don't recall.

________________________________________________________________
Mathieu Bouchard                   http://hostname.2y.net/~matju