On Tue, Oct 18, 2005 at 11:27:16AM -0400, Jeff Horwitz wrote: > On Tue, 18 Oct 2005, Chip Salzenberg wrote: > > On the other hand, the idea has been raised on IRC (by Joshua, IIRC) > > that an MD5 or SHA256 would protect against corruption, and would also > > incidentally make a dandy UUID. > > was there any discussion about what the checksums would be calculated on? > one benefit of UUIDs is that they are usually independent of the > underlying data they identify, and would therefore have no performance > penalty for larger files. i know it's only a one-time hit for PBC files, > and a minor one at that, but does this also apply for evals/compiles?
I don't see a point in using it for evals/compiles. As for the pbc file case: If you're making a pbc so large that hash creation takes noticeable time, then just imagine how long _writing_ it will take? :-) -- Chip Salzenberg <[EMAIL PROTECTED]>
