RE: Behaviour of +RTS -Hx -Mx -RTS options on win32

On 02 June 2005 16:48, Duncan Coutts wrote:

> I have a program which runs to completion on windows in about 90Mb of
> heap space. Ie the following works ok:
> 
> prog.exe +RTS -M90m -RTS
> 
> However if I use the -H option to reserve a bigger initial heap size:
> 
> prog.exe +RTS -H60m -M90m -RTS
> 
> then the program fails part way through with heap exhaustion. This
> seems odd given what the -H and -M options are supposed to do.
> 
> What particularly makes me think this is a bug is that the following
> also fails:
> 
> prog.exe +RTS -H730m -M750m -RTS
> 
> and it fails ever sooner if I use:
> 
> prog.exe +RTS -H750m -M750m -RTS

Hi Duncan - could you send us output from the above run with +RTS
-Sstderr?

Cheers,
        Simon