Re: 2GB virtual memory for each process?
From: TT \(Tom Tempelaere\) (_/\/_0§P_at_|/\|titi____AThotmail.com|/\|@P§0_/\/_)
Date: 07/07/04
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Date: Wed, 07 Jul 2004 22:31:05 GMT
"Niki Estner" <niki.estner@cube.net> wrote in message
news:u3kUDwAZEHA.2520@TK2MSFTNGP12.phx.gbl...
> First of all: what platform are you running on? 3GB used to be only
> available for server OS's...
> Next: This is about 2GB/3GB address space. That is, if the first
allocation
> happens to be in the middle of those 2 GB, the biggest available block
> afterwards will be 1 GB.
> Also, some libraries reserve big amounts of continuos address space
without
> committing it. I could imagine the .NET runtime does something like that
for
> the various object heaps. I think it was possible to find out about things
> like these with the command line debugger, but I don't really remember
> how...
> I don't think you have too many options to solve this, the best would
> proably be to reduce memory usage of your app. The next best one could be
a
> 64-bit processor, but I'm not sure what framework versions (1.0/1.1/2.0)
> support it. And then there are AWE, an API that allows 32-bit windows
> application to access more than 4 GB of memory. But they require a server
> OS, and are directly not supported by the .net runtime. Maybe a hardware
> solution (like an SRAM-based HD) could help you, too.
> BTW: What kinds of images are this? A 1GB image could be about 30000x30000
> pixels big, so I guess it could be a long video sequence. Couldn't it be
> sufficient to have only a few frames in memory at a time?
>
> Niki
Very high quality and large picture, in say 8 colors instead of the usual 4
(CMYK). For instance with gold + silver plus a few others for special
effects. For instance a high quality picture of 24 feet by 36 feet (a
picture for an advertising plate)?
Cheers,
--- Tom Tempelaere
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