[comp.binaries.ibm.pc.d] Compression

wcf@psuhcx (Bill Fenner) (05/03/88)

Well, I said I would run some tests and post to comp.binaries.ibm.pc.d.
It turns out that a moria save character is not a good test 'binary'
(I didn't really expect it to be.)


File is sharexe.arc
UUEncoded, Compressed:              193077 sharexe.arc.uue.Z
Compressed, UUEncoded, Compressed:  222301 sharexe.arc.Z.uue.Z

This means: DON'T compress an ARC.

File is WHICH.EXE
UUEncoded, Compressed:                8813 WHICH.EXE.uue.Z
Compressed, UUEncoded, Compressed:    8980 WHICH.EXE.Z.uue.Z
File is GIFEGA10.EXE
UUEncoded, Compressed:               13567 GIFEGA10.EXE.uue.Z
Compressed, UUEncoded, Compressed:   13406 GIFEGA10.EXE.Z.uue.Z
File is GIFSLOW.EXE
UUEncoded, Compressed:               10946 GIFSLOW.EXE.uue.Z
Compressed, UUEncoded, Compressed:   10899 GIFSLOW.EXE.Z.uue.Z
File is DETAR.EXE
UUEncoded, Compressed:               15090 DETAR.EXE.uue.Z
Compressed, UUEncoded, Compressed:   14542 DETAR.EXE.Z.uue.Z

By these results I can come to no conclusion.  All except WHICH.EXE are
smaller when first compressed and then uuencoded ... but not by an amount
that will make an aprreciable difference.  Frankly, I dunno what to say.

A copy of the script that created these results is available on request.