"tar -c|gzip" faster than "tar -cz"?!?

[Tim Kientzle]

Oliver Fromme wrote:
> Meanwhile I had a quick look at the code:  gzip uses some
> optimized assembler code ...   Maybe that's the reason why
> gzip is noticeably faster.

Anyone care to try this test on PPC, ARM, or Sparc?

There's a move afoot to replace the GPL gzip with
a more openly-licensed gzip implemented on top of
libz.  I wonder if the libz implementors have similar
assembly optimizations that we should be using?

Tim Kientzle