@cmuratori to get insta snapshot load with mmap, copy on write is a red herring IMHO. Just virtual alloc a second big mem block, map a 1/2
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Replying to @mmalex
@cmuratori file to back it. Now your save write is a memcpy from main block to file backed block; load is memcpy back. No disk block. 2/31 reply 0 retweets 1 like -
Replying to @mmalex
@cmuratori when process closes, windows will eventually flush the pages back to file. Job done! 3/33 replies 0 retweets 0 likes -
Replying to @mmalex
@mmalex@cmuratori mmap should be the default way to handle most files in most programs. but it wasn't, at any shop i worked at.1 reply 0 retweets 0 likes -
Replying to @bmcnett
@bmcnett@cmuratori alas win doesn't make it easy to do a good job of it,it seems. Had lots of joy with mmap on mac/Linux; never tried win321 reply 0 retweets 0 likes -
Replying to @mmalex
@mmalex@cmuratori I've been using the win equiv of mmap for a while, and I haven't seen a problem yet, what am I missing1 reply 0 retweets 0 likes -
Replying to @cmuratori1 reply 0 retweets 0 likes
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