Fixed limits in the image. (was Re: ...)

Scott A Crosby crosby at qwes.math.cmu.edu
Mon Apr 1 03:32:32 UTC 2002


On Sun, 31 Mar 2002, PhiHo Hoang wrote:

> Hi Scott, Hi John, Hi Dan,

>
> 	Thanks for your enlightments. At John's suggestion and to give
> Scott a toy to play in his optimisation effort, I made it configurable
> from the initialisation file 'SqM.ini' the following parameters:

> It was found that the VM will crash at different places as
> _AT_CACHE_SIZE_ is reduced.
>
> Higher _METHOD_CACHE_SIZE_ and lower _AT_CACHE_SIZE_ tend to crash the
> VM.

The reason is that the compiler takes these constants and inlines them
into various code in the image. Thus, these can't be changed without
retranslating the interpreter.

I responded to your post because I thought it wise to elaborate on what I
knew and see if anyone else knew anything.

Scott





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