test-umac uses up more memory than I have

Question

test-umac uses up more memory than I have

clinty opened this issue 11 years ago · 2 comments

I think there's a problem with repString building up thunks on the 2^25 test vectors.

Answer 1 · 2013-11-14T21:29:13.000Z

I guess I'll have to profile it somehow... or remove that test.

Answer 2 · 2013-11-15T16:05:15.000Z

I found the issues; although the list gets evaluated lazily just as it should be, it remembers the list as it is still referenced for reusage.

I "hacked" it now to unshare the list by making it a Int -> [B.ByteString] function, which should work unless haskell starts inlining everything (given the complexity of the data structures involved I think this is unlikely).