Re: Lisp vs. Java vs. C++ speed comparison time? [LONG]

Valery Pipin writes:

> On Saturday 03 July 2004 01:42, Camm Maguire wrote:
> 
> <snipped>
> 
>>All lisps here are the latest versions in Debian unstable.  GCL was
>>run in ANSI mode.  The machine was a dual Xeon 2.4Ghz.  We already
>>know that the relative GCL/CMUCL performance can vary somewhat by
>>machine, presumably influenced by cache size and cpu/memory bandwidth
>>ratios.  It is clear for example that CMUCL is doing a better job on
>>the memory layout/access times which predominate in the gc time
>>component.  
> 
> Is that the reason why  I do not observe the memory leakage with maxima 
> computations  that done with cmucl implementation. In opposite, the gcl 
> implementation can consume so much memory that I force to restart the 
> x-session or even to reboot PC.
> 

I don't think this is memory leak.  Gcl memory layout is less
compact compared to one of cmucl. The same computation on GCL
require more RAM and it starts swapping earlier.

-- 
      Vadim V. Zhytnikov

      <vvzhy@netorn.ru>