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Tue, 17 Jul 2007 17:15:04 +0400
at> mmap( 1Tb file ) into 64bit address space
at> use part X of the file
at> tell OS that part X of file is no longer needed
shap> also need tell OS that I am about to need part Y of file" for load-ahead
shap> now consider what happens if you are mutating that stream on the way
shap> through (which is common in audio applications). You are telling the OS
shap> that part X can be removed from memory, but this is not the same as
shap> saying that it is no longer needed.
Sorry.. difficult to understand... could you plz explain a bit more?
Do we want to save page back to disk? Modify original stream file?
Are we writing another file?
shap> Now if we want to pursue Andy's proposal further, we will next propose
shap> that this should be handled by a mapping of a temporary file
So what's our sound processing app doing?
Re: Resource Management on General-Purpose Systems, Marcus Brinkmann, 2007/07/12
Re: Resource Management on General-Purpose Systems, olafBuddenhagen, 2007/07/13