[Zlib-devel] pigz 1.6 available for testing

[Greg Roelofs]

>> so I'm mainly curious about what the extra
>> bytes add (other than bulk ;-) ).

> That is an empty stored block put at the end of each block of  
> compressed data to bring it to a byte boundary.  That permits  
> concatenation of the compressed blocks from different threads.  If  
> you use pigz -p 1 (no threads), then you won't see that.

Bingo!  Many thanks.  Now the sole difference is in the flag or window-
size byte (78 9c vs. 78 5e), and I don't care about that.

Thanks,
  Greg