@cmuratori For separate files you have a lot of wasted space in the kernel memory cache there, for PAK files you don't.
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Replying to @rygorous
@cmuratori That's not exactly controversial; "FS caching of 1000s of small files doesn't work great" is one of the reasons games use PAKs!1 reply 0 retweets 0 likes -
Replying to @cmuratori
@cmuratori@rygorous I'm just talking about the fact that if you want to ensure "1 physical IO per image", then that's very hard to do.2 replies 0 retweets 0 likes -
Replying to @cmuratori
@cmuratori@rygorous Paper says "the blockmaps for several contiguous large files can be small enough to be stored in main memory"1 reply 0 retweets 0 likes -
Replying to @mmozeiko
@cmuratori@rygorous And "This benefit does not imply that Haystack can guarantee every photo read will incur exactly one disk operation."1 reply 0 retweets 0 likes -
Replying to @mmozeiko1 reply 0 retweets 0 likes
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Replying to @cmuratori
@cmuratori@mmozeiko@rygorous The paper also talks about the aforementioned necessity for XFS.1 reply 0 retweets 0 likes -
Replying to @cmuratori
@cmuratori@mmozeiko@rygorous For the paper, I felt "this is not at all interesting and is all very obvious."2 replies 0 retweets 0 likes -
Replying to @cmuratori
@cmuratori@mmozeiko@rygorous For the _lecture_ I felt "WTF is he talking about? That doesn't solve that problem."1 reply 0 retweets 0 likes
@cmuratori @mmozeiko @rygorous And unless I missed something I was talking about the lecture, since Jon asked about it.
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Replying to @cmuratori
@cmuratori@mmozeiko The lecture thing basically says "we use pakfile style". Which is the whole (I agree, not exactly seminal) idea.1 reply 0 retweets 0 likes -
Replying to @rygorous
@cmuratori@mmozeiko But I don't see why you sell that as crack-smoking? Like yes, that's how you do that. That's have done that for ages!1 reply 0 retweets 0 likes - Show replies
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