DOS ain't dead - AdvanceComp 1.15 -- rebuilt with newer compiler

AdvanceComp 1.15 -- rebuilt with newer compiler (Users)

posted by roytam, 22.03.2013, 01:03

> > > > I found AdvanceComp 1.16 beta here:
> > > > http://advancemame.sourceforge.net/beta/
> > > > which is the latest version for DOS I can find. It doesn't improve
> on
> > > > speed or compression.
>
> I noticed 1.16 final was released earlier this month. I've mirrored that to
> iBiblio, but his website says he still uses (old) GCC 3.2.3 cross-compiler
> (2003 ftw!). :no:
>
> In other words, I haven't rebuilt it with newer DJGPP yet, but it shouldn't
> be hard. Suggestions for me for -mtune -march anyone?? :-)
>
> > I replaced whole 7-zip with Google's Zopfli DEFLATE-compatible library,
> and
> > compiled with DJGPP gcc/g++ 4.7.2 (general -O2 build)
> >
> http://encode.ru/threads/1691-AdvanceCOMP-with-new-7-zip?p=32687#post32687
>
> Does this really help much? Is it worth it? What about comparisons to Kzip
> or Deflopt? A few example stats would be greatly appreciated. (Or maybe I
> should just try it myself, ugh.) I'm just slightly skeptical that it will
> improve much over 7-Zip's Deflate. I mean, if we really wanted better
> compression, getting an extra few kilobytes from Deflate isn't the right
> approach, better would be to use a different method (Bzip2? LZMA?) or
> archiver or ....
>

because you can't change the file spec which uses deflate/zlib algorithm (for example, PNG images)

> And yes, I know, in rare cases AdvanceZip can chomp off a fairly big chunk,
> e.g. FPC's .ZIP, lemme try old 1.15 on latest 2.6.2 full ... okay, it saved
> very very little. :crying: Lemme try after unpacking the main .ZIP and
> trying on all the little .ZIPs separately ... saved almost 3.5 MB! :-P Now
> testing full's .ZIPs with new 1.16 ... saved only the same amount. :-|
>

because he didn't upgrade the ancient 7-zip to latest version. (I did it, but not all files compress better with new 7-zip deflate algorithm)

> BTW, GCC 4.8.0 is almost finalized, probably next week (and Andris made a
> RC1 build via DJGPP 2.04
> here). Not
> totally sure if it will improve much, but it should be interesting (if you
> care to benchmark). :hungry:

oh great! :-D

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Complete thread:

p7zip 9.20.1 - Rugxulo, 20.08.2012, 22:46 (Users)
- p7zip 9.20.1 - mvojvodic, 21.08.2012, 22:43
  - p7zip 9.20.1b "testing" - Rugxulo, 23.08.2012, 00:16
    - p7zip 9.20.1b "testing" - Zyzzle, 24.08.2012, 22:02
      - p7zip 9.20.1b "testing" - Rugxulo, 25.08.2012, 00:04
        p7zip 9.20.1b "testing" - Zyzzle, 25.08.2012, 00:59
        p7zip 9.20.1b "testing" - Rugxulo, 25.08.2012, 01:58
        p7zip 9.20.1b "testing" - Zyzzle, 26.08.2012, 04:09
        p7zip 9.20.1b "testing" - Rugxulo, 26.08.2012, 04:59
        p7zip 9.20.1b "testing" - Rugxulo, 31.08.2012, 23:05
        p7zip 9.20.1b "testing" - Rugxulo, 02.09.2012, 22:27
        p7zip 9.20.1b "testing" - Zyzzle, 04.09.2012, 23:59
        p7zip 9.20.1b "testing" - Rugxulo, 05.09.2012, 02:12
        p7zip 9.20.1b "testing" - Khusraw, 05.09.2012, 10:30
        p7zip 9.20.1b "testing" - Rugxulo, 06.09.2012, 23:21
        p7zip 9.20.1b "testing" - favero, 21.09.2012, 20:04
        p7zip 9.20.1b "testing" - Rugxulo, 22.09.2012, 06:16
        p7zip 9.20.1b "testing" - Khusraw, 23.09.2012, 19:44
        7ZA 9.20 rebuilt by Khusraw - Rugxulo, 11.10.2012, 21:56
        7ZA 9.20 rebuilt by Khusraw - Khusraw, 12.10.2012, 16:30
        7ZA 9.20 rebuilt by Khusraw - Rugxulo, 13.10.2012, 05:35
        7ZA 9.20 rebuilt by Khusraw - Khusraw, 13.10.2012, 09:06
        AdvanceComp 1.15 -- rebuilt with newer compiler - Rugxulo, 25.08.2012, 02:33
        AdvanceComp 1.15 -- rebuilt with newer compiler - roytam, 20.03.2013, 07:58
        AdvanceComp 1.15 -- rebuilt with newer compiler - Rugxulo, 21.03.2013, 18:03
        AdvanceComp 1.15 -- rebuilt with newer compiler - roytam, 22.03.2013, 01:03
        GCC 4.8.0 (DJGPP 2.04 only) - Rugxulo, 28.03.2013, 00:24