On Tue, 18 Oct 2005, Chip Salzenberg wrote: > 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? :-)
this answers my question. :) -jeff
