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Yes, I know ext3 does this to prevent fragmentation. But

mark54g, I think that "block group size" you mention is not the same thing as what I am talking about. The block group size is the size of...

The title is clear: why does ext3 allocate 8 blocks for files that are few bytes long?
If I create a file named "test", put a few chars in it, and then I run:

stat test

I get that "Blocks: 8"...

The consists in two dimensional arrays that are much bigger than L1D cache. And our professors expect us to "guess" the prefetch distance by introducing timers in the program. But I have yet to see...

Hello there, I just needed to know how to get the timing right when using the gcc __builtin_prefetch() function, that is, how many instructions before the actual utilization of the data should I make...