Hello Duncan, Thursday, June 21, 2007, 8:48:53 AM, you wrote:
>> > The smallest possible would be 2 words overhead by just using a >> > ByteArray#, >> >> i tried it once and found that ByteArray# size is returned rounded to 4 - >> there is no way in GHC runtime to alloc, say, exactly 37 bytes. and >> don't forget to add 2 unused bytes at average > Right, GHC heap object are always aligned to the natural alignment of > the architecture, be that 4 or 8 bytes. > Try the same experiment with C's malloc. I'd be very surprised if you > can allocate 37 bytes and not end up using 40 (plus some extra for > remembering the allocation length). that i'm trying to say is that one need to store exact string size because value returned by getSizeOfByteArray is aligned to 4 -- Best regards, Bulat mailto:[EMAIL PROTECTED] _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
