Hacking WIA = Wii ISO Archive

[Wiimm]

Could wit not get that info (amount of RAM) from the box and use it as default?

Do you know a POSIX function?
For Linux+Cygwin wit can read /proc/meminfo

 

[W hat]

Could WIT ask what the default setting should be, then store it?

 

[Wiimm]

Could WIT ask what the default setting should be, then store it?

Since v0.00d the tools support environment variables to set defaults.
For wit set WIT_OPT like WIT_OPT='--compr=lzma.5@10'

 

[wishmasterf]

Ok after i see that testresults i think the chunck-size is 10 but i think a better chun-size is anywhere between @10 and @20. So i think i will do make test this weeken with that chunk-sizes. Maybe anyone has the time to try that before ....

 

[Wiimm]

I think about that:[*] First wit tries to determine the allowed memory usage:[*]If the new option "--mem size" is set with size>0 it defines a soft memory limit.[*] If not set wit tries to read the environment variable WIT_MEM.[*] If not set wit tries to discover the real RAM size and uses half of it as soft limit.[*] If all fails, 512 MiB is the limit.[*] With this soft limit wit defines a default compression level + chunk size combination for each compression method.[*] The defaults can be overwritten with the environment variables WIT_OPT and WWT_OPT (this works for all options).

 

[Wiimm]

Here are the first reading statistics (Wii Chess):

Spoiler

Summary [read] of RTYP01, Wii Chess:

ÂÂÂÂ21082584ÂÂ83.73%ÂÂÂÂÂÂ 1.218 secÂÂREAD/PURGE@1
ÂÂÂÂ26522428 105.33%ÂÂÂÂÂÂ 1.316 secÂÂREAD/NONE@1
ÂÂÂÂ 7005525ÂÂ27.82%ÂÂÂÂÂÂ 1.740 secÂÂREAD/LZMA.3@1
ÂÂÂÂ 6508987ÂÂ25.85%ÂÂÂÂÂÂ 1.807 secÂÂREAD/LZMA.9@1
ÂÂÂÂ 7006643ÂÂ27.82%ÂÂÂÂÂÂ 1.822 secÂÂREAD/LZMA2.3@1
ÂÂÂÂ 6523750ÂÂ25.90%ÂÂÂÂÂÂ 1.915 secÂÂREAD/LZMA.6@1
ÂÂÂÂ 6509929ÂÂ25.85%ÂÂÂÂÂÂ 1.941 secÂÂREAD/LZMA2.9@1
ÂÂÂÂ 6524455ÂÂ25.91%ÂÂÂÂÂÂ 2.090 secÂÂREAD/LZMA2.6@1
ÂÂÂÂ 7910497ÂÂ31.41%ÂÂÂÂÂÂ 2.140 secÂÂREAD/BZIP2.6@1
ÂÂÂÂ 8032314ÂÂ31.90%ÂÂÂÂÂÂ 2.166 secÂÂREAD/BZIP2.3@1

ÂÂÂÂ21082260ÂÂ83.72%ÂÂÂÂÂÂ 2.293 secÂÂREAD/PURGE@10
ÂÂÂÂ 7787523ÂÂ30.92%ÂÂÂÂÂÂ 2.356 secÂÂREAD/BZIP2.9@1

ÂÂÂÂ40727624 161.75%ÂÂÂÂÂÂ 2.513 secÂÂREAD/NONE@10
ÂÂÂÂ 6527546ÂÂ25.92%ÂÂÂÂÂÂ 2.767 secÂÂREAD/LZMA2.3@10
ÂÂÂÂ 6526400ÂÂ25.92%ÂÂÂÂÂÂ 2.880 secÂÂREAD/LZMA.3@10
ÂÂÂÂ 5989368ÂÂ23.78%ÂÂÂÂÂÂ 2.893 secÂÂREAD/LZMA2.9@10
ÂÂÂÂ 6006411ÂÂ23.85%ÂÂÂÂÂÂ 3.019 secÂÂREAD/LZMA2.6@10
ÂÂÂÂ 6003989ÂÂ23.84%ÂÂÂÂÂÂ 3.111 secÂÂREAD/LZMA.6@10
ÂÂÂÂ 5988631ÂÂ23.78%ÂÂÂÂÂÂ 3.183 secÂÂREAD/LZMA.9@10
ÂÂÂÂ 8020646ÂÂ31.85%ÂÂÂÂÂÂ 3.223 secÂÂREAD/BZIP2.3@10
ÂÂÂÂ 7860642ÂÂ31.21%ÂÂÂÂÂÂ 3.393 secÂÂREAD/BZIP2.9@10
ÂÂÂÂ 7891961ÂÂ31.34%ÂÂÂÂÂÂ 3.506 secÂÂREAD/BZIP2.6@10

ÂÂÂÂ21082500ÂÂ83.73%ÂÂÂÂÂÂ 9.611 secÂÂREAD/PURGE@50
ÂÂ 121991080 484.49%ÂÂÂÂÂÂ 9.707 secÂÂREAD/NONE@50
ÂÂÂÂ 6539042ÂÂ25.97%ÂÂÂÂÂÂ10.375 secÂÂREAD/LZMA2.3@50
ÂÂÂÂ 6016389ÂÂ23.89%ÂÂÂÂÂÂ10.375 secÂÂREAD/LZMA2.6@50
ÂÂÂÂ 6016183ÂÂ23.89%ÂÂÂÂÂÂ10.401 secÂÂREAD/LZMA.6@50
ÂÂÂÂ 6537509ÂÂ25.96%ÂÂÂÂÂÂ10.508 secÂÂREAD/LZMA.3@50
ÂÂÂÂ 6001055ÂÂ23.83%ÂÂÂÂÂÂ10.528 secÂÂREAD/LZMA2.9@50
ÂÂÂÂ 8010044ÂÂ31.81%ÂÂÂÂÂÂ10.650 secÂÂREAD/BZIP2.3@50
ÂÂÂÂ 6000758ÂÂ23.83%ÂÂÂÂÂÂ10.670 secÂÂREAD/LZMA.9@50
ÂÂÂÂ 7830638ÂÂ31.09%ÂÂÂÂÂÂ10.906 secÂÂREAD/BZIP2.9@50
ÂÂÂÂ 7867992ÂÂ31.24%ÂÂÂÂÂÂ10.960 secÂÂREAD/BZIP2.6@50

For small images the chunk size is importand (large overhead).

And here is the creation stat sorted by time:

Spoiler

Summary [write] of RTYP01, Wii Chess:

ÂÂÂÂ25178940 100.00%ÂÂÂÂÂÂ 0.498 secÂÂWDF
ÂÂÂÂ26522428 105.33%ÂÂÂÂÂÂ 0.938 secÂÂWIA/NONE@1
ÂÂÂÂ21082584ÂÂ83.73%ÂÂÂÂÂÂ 1.104 secÂÂWIA/PURGE@1
ÂÂÂÂ21082260ÂÂ83.72%ÂÂÂÂÂÂ 1.681 secÂÂWIA/PURGE@10
ÂÂÂÂ40727624 161.75%ÂÂÂÂÂÂ 2.037 secÂÂWIA/NONE@10
ÂÂÂÂ 7005525ÂÂ27.82%ÂÂÂÂÂÂ 3.618 secÂÂWIA/LZMA.3@1
ÂÂÂÂ 7006643ÂÂ27.82%ÂÂÂÂÂÂ 3.655 secÂÂWIA/LZMA2.3@1
ÂÂÂÂ 6527546ÂÂ25.92%ÂÂÂÂÂÂ 4.612 secÂÂWIA/LZMA2.3@10
ÂÂÂÂ 6526400ÂÂ25.92%ÂÂÂÂÂÂ 4.694 secÂÂWIA/LZMA.3@10
ÂÂÂÂ 8032314ÂÂ31.90%ÂÂÂÂÂÂ 6.218 secÂÂWIA/BZIP2.3@1
ÂÂÂÂ 8020646ÂÂ31.85%ÂÂÂÂÂÂ 7.130 secÂÂWIA/BZIP2.3@10
ÂÂÂÂ21082500ÂÂ83.73%ÂÂÂÂÂÂ 7.194 secÂÂWIA/PURGE@50
ÂÂÂÂ 7910497ÂÂ31.41%ÂÂÂÂÂÂ 7.784 secÂÂWIA/BZIP2.6@1
ÂÂ 121991080 484.49%ÂÂÂÂÂÂ 8.144 secÂÂWIA/NONE@50
ÂÂÂÂ 7891961ÂÂ31.34%ÂÂÂÂÂÂ 8.378 secÂÂWIA/BZIP2.6@10
ÂÂÂÂ 7787523ÂÂ30.92%ÂÂÂÂÂÂ 8.423 secÂÂWIA/BZIP2.9@1
ÂÂÂÂ 6523750ÂÂ25.90%ÂÂÂÂÂÂ 8.910 secÂÂWIA/LZMA.6@1
ÂÂÂÂ 6524455ÂÂ25.91%ÂÂÂÂÂÂ 8.916 secÂÂWIA/LZMA2.6@1
ÂÂÂÂ 7860642ÂÂ31.21%ÂÂÂÂÂÂ 9.994 secÂÂWIA/BZIP2.9@10
ÂÂÂÂ 6006411ÂÂ23.85%ÂÂÂÂÂÂ10.400 secÂÂWIA/LZMA2.6@10
ÂÂÂÂ 6508987ÂÂ25.85%ÂÂÂÂÂÂ10.415 secÂÂWIA/LZMA.9@1
ÂÂÂÂ 6003989ÂÂ23.84%ÂÂÂÂÂÂ10.416 secÂÂWIA/LZMA.6@10
ÂÂÂÂ 6509929ÂÂ25.85%ÂÂÂÂÂÂ10.566 secÂÂWIA/LZMA2.9@1
ÂÂÂÂ 6537509ÂÂ25.96%ÂÂÂÂÂÂ11.130 secÂÂWIA/LZMA.3@50
ÂÂÂÂ 6539042ÂÂ25.97%ÂÂÂÂÂÂ11.270 secÂÂWIA/LZMA2.3@50
ÂÂÂÂ 5989368ÂÂ23.78%ÂÂÂÂÂÂ12.429 secÂÂWIA/LZMA2.9@10
ÂÂÂÂ 5988631ÂÂ23.78%ÂÂÂÂÂÂ12.694 secÂÂWIA/LZMA.9@10
ÂÂÂÂ 8010044ÂÂ31.81%ÂÂÂÂÂÂ14.088 secÂÂWIA/BZIP2.3@50
ÂÂÂÂ 7867992ÂÂ31.24%ÂÂÂÂÂÂ15.439 secÂÂWIA/BZIP2.6@50
ÂÂÂÂ 7830638ÂÂ31.09%ÂÂÂÂÂÂ16.829 secÂÂWIA/BZIP2.9@50
ÂÂÂÂ 6016389ÂÂ23.89%ÂÂÂÂÂÂ20.848 secÂÂWIA/LZMA2.6@50
ÂÂÂÂ 6016183ÂÂ23.89%ÂÂÂÂÂÂ21.501 secÂÂWIA/LZMA.6@50
ÂÂÂÂ 6000758ÂÂ23.83%ÂÂÂÂÂÂ25.685 secÂÂWIA/LZMA.9@50
ÂÂÂÂ 6001055ÂÂ23.83%ÂÂÂÂÂÂ25.818 secÂÂWIA/LZMA2.9@50

Wii Chess is a very small game (~25mb). At this moment the same test is runnung for Zelda (1.1G) and for Tomb Raider (3.1G). This needs many hours ....

 

[Wiimm]

Some more statistics:

The first tables show the memory usage for different compression methods. Chunk size is set to 20MiB (factor @10):

Spoiler

# wit compr none@10 purge@10 {bzip2,lzma,lzma2}.{1..9}@10 -ll

0ÂÂÂÂNONE@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ20 MiBÂÂÂÂ20 MiB
1ÂÂÂÂPURGE@10ÂÂÂÂFASTESTÂÂÂÂÂÂÂÂÂÂ20 MiBÂÂÂÂ20 MiB

2.1ÂÂBZIP2.1@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 20 MiBÂÂÂÂ21 MiB
2.2ÂÂBZIP2.2@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 21 MiBÂÂÂÂ22 MiB
2.3ÂÂBZIP2.3@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 21 MiBÂÂÂÂ23 MiB
2.4ÂÂBZIP2.4@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 22 MiBÂÂÂÂ24 MiB
2.5ÂÂBZIP2.5@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 22 MiBÂÂÂÂ24 MiB
2.6ÂÂBZIP2.6@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 22 MiBÂÂÂÂ25 MiB
2.7ÂÂBZIP2.7@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 23 MiBÂÂÂÂ26 MiB
2.8ÂÂBZIP2.8@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 23 MiBÂÂÂÂ27 MiB
2.9ÂÂBZIP2.9@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 24 MiBÂÂÂÂ27 MiB

3.1ÂÂLZMA.1@10ÂÂ DEFAULT BESTÂÂÂÂ 20 MiBÂÂÂÂ22 MiB
3.2ÂÂLZMA.2@10ÂÂ DEFAULT BESTÂÂÂÂ 20 MiBÂÂÂÂ23 MiB
3.3ÂÂLZMA.3@10ÂÂ DEFAULT BESTÂÂÂÂ 21 MiBÂÂÂÂ29 MiB
3.4ÂÂLZMA.4@10ÂÂ DEFAULT BESTÂÂÂÂ 24 MiBÂÂÂÂ51 MiB
3.5ÂÂLZMA.5@10ÂÂ DEFAULT BESTÂÂÂÂ 36 MiBÂÂ 205 MiB
3.6ÂÂLZMA.6@10ÂÂ DEFAULT BESTÂÂÂÂ 52 MiBÂÂ 389 MiB
3.7ÂÂLZMA.7@10ÂÂ DEFAULT BESTÂÂÂÂ 84 MiBÂÂ 693 MiB
3.8ÂÂLZMA.8@10ÂÂ DEFAULT BESTÂÂÂÂ 84 MiBÂÂ 693 MiB
3.9ÂÂLZMA.9@10ÂÂ DEFAULT BESTÂÂÂÂ 84 MiBÂÂ 693 MiB

4.1ÂÂLZMA2.1@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 20 MiBÂÂÂÂ25 MiB
4.2ÂÂLZMA2.2@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 20 MiBÂÂÂÂ26 MiB
4.3ÂÂLZMA2.3@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 21 MiBÂÂÂÂ30 MiB
4.4ÂÂLZMA2.4@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 24 MiBÂÂÂÂ51 MiB
4.5ÂÂLZMA2.5@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 36 MiBÂÂ 205 MiB
4.6ÂÂLZMA2.6@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 52 MiBÂÂ 389 MiB
4.7ÂÂLZMA2.7@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 84 MiBÂÂ 693 MiB
4.8ÂÂLZMA2.8@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 84 MiBÂÂ 693 MiB
4.9ÂÂLZMA2.9@10ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 84 MiBÂÂ 693 MiB

And this is the next reading stat (Twilight Princess):

Spoiler

Summary [read,time] of RZDP01, The Legend of Zelda: Twilight Princess:

ÂÂ1117501752ÂÂ97.08%ÂÂÂÂÂÂ46.374 secÂÂREAD/NONE@1
ÂÂ1117484548ÂÂ97.08%ÂÂÂÂÂÂ47.508 secÂÂREAD/NONE@10
ÂÂ1087165000ÂÂ94.44%ÂÂÂÂÂÂ49.588 secÂÂREAD/PURGE@1
ÂÂ1087146208ÂÂ94.44%ÂÂÂÂÂÂ50.028 secÂÂREAD/PURGE@10
ÂÂ1087144856ÂÂ94.44%ÂÂÂÂÂÂ51.096 secÂÂREAD/PURGE@50
ÂÂ1137799464ÂÂ98.84%ÂÂÂÂÂÂ51.289 secÂÂREAD/NONE@50

ÂÂ 844586929ÂÂ73.37%ÂÂÂÂ1:41.891 m:sÂÂREAD/LZMA2.9@10
ÂÂ 844630425ÂÂ73.37%ÂÂÂÂ1:41.948 m:sÂÂREAD/LZMA2.6@10
ÂÂ 800202481ÂÂ69.51%ÂÂÂÂ1:43.232 m:sÂÂREAD/LZMA2.6@50
ÂÂ 789047580ÂÂ68.54%ÂÂÂÂ1:44.224 m:sÂÂREAD/LZMA2.9@50
ÂÂ 844609962ÂÂ73.37%ÂÂÂÂ1:44.724 m:sÂÂREAD/LZMA.6@10
ÂÂ 844521882ÂÂ73.36%ÂÂÂÂ1:44.839 m:sÂÂREAD/LZMA.9@10
ÂÂ 789065334ÂÂ68.54%ÂÂÂÂ1:45.025 m:sÂÂREAD/LZMA.9@50
ÂÂ 943102866ÂÂ81.93%ÂÂÂÂ1:45.178 m:sÂÂREAD/LZMA2.3@10
ÂÂ 800151104ÂÂ69.51%ÂÂÂÂ1:45.186 m:sÂÂREAD/LZMA.6@50
ÂÂ 955073572ÂÂ82.97%ÂÂÂÂ1:45.707 m:sÂÂREAD/LZMA2.3@1
ÂÂ 934416213ÂÂ81.17%ÂÂÂÂ1:46.471 m:sÂÂREAD/LZMA2.9@1
ÂÂ 934468726ÂÂ81.18%ÂÂÂÂ1:47.134 m:sÂÂREAD/LZMA2.6@1
ÂÂ 943165136ÂÂ81.93%ÂÂÂÂ1:49.357 m:sÂÂREAD/LZMA.3@10
ÂÂ 942351559ÂÂ81.86%ÂÂÂÂ1:50.818 m:sÂÂREAD/LZMA2.3@50
ÂÂ 955162369ÂÂ82.97%ÂÂÂÂ1:51.331 m:sÂÂREAD/LZMA.3@1
ÂÂ 934449033ÂÂ81.17%ÂÂÂÂ1:53.714 m:sÂÂREAD/LZMA.9@1
ÂÂ 942408457ÂÂ81.87%ÂÂÂÂ1:53.926 m:sÂÂREAD/LZMA.3@50

ÂÂ1013750350ÂÂ88.06%ÂÂÂÂ1:54.114 m:sÂÂREAD/BZIP2.3@1
ÂÂ 934499245ÂÂ81.18%ÂÂÂÂ1:55.407 m:sÂÂREAD/LZMA.6@1

ÂÂ1013759477ÂÂ88.06%ÂÂÂÂ1:55.533 m:sÂÂREAD/BZIP2.3@10
ÂÂ1013646853ÂÂ88.05%ÂÂÂÂ2:00.938 m:sÂÂREAD/BZIP2.3@50
ÂÂ1012562724ÂÂ87.96%ÂÂÂÂ2:19.457 m:sÂÂREAD/BZIP2.6@1
ÂÂ1011772580ÂÂ87.89%ÂÂÂÂ2:19.625 m:sÂÂREAD/BZIP2.6@10
ÂÂ1012080274ÂÂ87.92%ÂÂÂÂ2:23.975 m:sÂÂREAD/BZIP2.6@50
ÂÂ1010079686ÂÂ87.75%ÂÂÂÂ2:27.842 m:sÂÂREAD/BZIP2.9@1
ÂÂ1009948908ÂÂ87.73%ÂÂÂÂ2:34.577 m:sÂÂREAD/BZIP2.9@10
ÂÂ1009758703ÂÂ87.72%ÂÂÂÂ2:37.577 m:sÂÂREAD/BZIP2.9@50

It seems that LZMA2 has little advantages if uncompressing. The compression level for LZMA1/2 is insignificant. BZIP2 needs much more time.

To complete this statistic here are the writing stats too:

Spoiler

Summary [write,time] of RZDP01, The Legend of Zelda: Twilight Princess:

ÂÂ1151087416 100.00%ÂÂÂÂÂÂ24.970 secÂÂWDF

ÂÂ1117484548ÂÂ97.08%ÂÂÂÂÂÂ39.105 secÂÂWIA/NONE@10
ÂÂ1117501752ÂÂ97.08%ÂÂÂÂÂÂ39.456 secÂÂWIA/NONE@1
ÂÂ1137799464ÂÂ98.84%ÂÂÂÂÂÂ40.856 secÂÂWIA/NONE@50
ÂÂ1087146208ÂÂ94.44%ÂÂÂÂÂÂ40.923 secÂÂWIA/PURGE@10
ÂÂ1087165000ÂÂ94.44%ÂÂÂÂÂÂ43.565 secÂÂWIA/PURGE@1
ÂÂ1087144856ÂÂ94.44%ÂÂÂÂÂÂ43.895 secÂÂWIA/PURGE@50

ÂÂ1013759477ÂÂ88.06%ÂÂÂÂ4:17.593 m:sÂÂWIA/BZIP2.3@10
ÂÂ1013750350ÂÂ88.06%ÂÂÂÂ4:19.159 m:sÂÂWIA/BZIP2.3@1
ÂÂ1013646853ÂÂ88.05%ÂÂÂÂ4:20.803 m:sÂÂWIA/BZIP2.3@50
ÂÂ1012562724ÂÂ87.96%ÂÂÂÂ4:40.092 m:sÂÂWIA/BZIP2.6@1
ÂÂ1011772580ÂÂ87.89%ÂÂÂÂ4:42.509 m:sÂÂWIA/BZIP2.6@10
ÂÂ1012080274ÂÂ87.92%ÂÂÂÂ4:43.716 m:sÂÂWIA/BZIP2.6@50
ÂÂ1010079686ÂÂ87.75%ÂÂÂÂ4:58.586 m:sÂÂWIA/BZIP2.9@1
ÂÂ1009948908ÂÂ87.73%ÂÂÂÂ5:01.072 m:sÂÂWIA/BZIP2.9@10
ÂÂ1009758703ÂÂ87.72%ÂÂÂÂ5:03.662 m:sÂÂWIA/BZIP2.9@50

ÂÂ 955162369ÂÂ82.97%ÂÂÂÂ6:11.941 m:sÂÂWIA/LZMA.3@1
ÂÂ 955073572ÂÂ82.97%ÂÂÂÂ6:17.178 m:sÂÂWIA/LZMA2.3@1
ÂÂ 934499245ÂÂ81.18%ÂÂÂÂ6:29.422 m:sÂÂWIA/LZMA.6@1
ÂÂ 934468726ÂÂ81.18%ÂÂÂÂ6:34.660 m:sÂÂWIA/LZMA2.6@1
ÂÂ 934449033ÂÂ81.17%ÂÂÂÂ6:38.187 m:sÂÂWIA/LZMA.9@1
ÂÂ 934416213ÂÂ81.17%ÂÂÂÂ6:40.339 m:sÂÂWIA/LZMA2.9@1
ÂÂ 943165136ÂÂ81.93%ÂÂÂÂ6:52.584 m:sÂÂWIA/LZMA.3@10
ÂÂ 943102866ÂÂ81.93%ÂÂÂÂ6:58.634 m:sÂÂWIA/LZMA2.3@10
ÂÂ 942408457ÂÂ81.87%ÂÂÂÂ7:01.626 m:sÂÂWIA/LZMA.3@50
ÂÂ 942351559ÂÂ81.86%ÂÂÂÂ7:06.253 m:sÂÂWIA/LZMA2.3@50
ÂÂ 844609962ÂÂ73.37%ÂÂÂÂ7:32.607 m:sÂÂWIA/LZMA.6@10
ÂÂ 844630425ÂÂ73.37%ÂÂÂÂ7:36.623 m:sÂÂWIA/LZMA2.6@10
ÂÂ 844586929ÂÂ73.37%ÂÂÂÂ7:44.293 m:sÂÂWIA/LZMA2.9@10
ÂÂ 844521882ÂÂ73.36%ÂÂÂÂ7:44.339 m:sÂÂWIA/LZMA.9@10
ÂÂ 800151104ÂÂ69.51%ÂÂÂÂ9:47.305 m:sÂÂWIA/LZMA.6@50
ÂÂ 800202481ÂÂ69.51%ÂÂÂÂ9:47.390 m:sÂÂWIA/LZMA2.6@50
ÂÂ 789047580ÂÂ68.54%ÂÂ 11:27.365 m:sÂÂWIA/LZMA2.9@50
ÂÂ 789065334ÂÂ68.54%ÂÂ 11:30.330 m:sÂÂWIA/LZMA.9@50

BZIP2 has the faster encoding algorithm.

 

[Wiimm]

Have anyone of the testers problems with WIA?
All my tests (convert to + convert from + compare) run without errors. I have also made some tests with --raw.

The defaults are: LZMA, compression level .5, chunk factor @20 (=40 MiB)
(see latest beta for details)

If no one cries then I will create a non beta release with a non beta WIA in a few days.

 

[Zhelkus]

Great news. I plan to use it fully to compress all my backups with your new method. Many thx!

 

[Wiimm]

If no one cries then I will create a non beta release with a non beta WIA in a few days.

Done!

 

[Bauldrick]

Hi Wiimm,

I'm not very up-to-date with wit at the moment, and I'm probably using the wrong command, but, is anything >LZMA.7 not supported anymore?

I'd been using :

wit COPY *GAMEID* --wia -vvvv --compr LZMA.9 ~/wii\ games/%+

That would work in previous versions (I'm currently r1892) - But that same command now gives :

wit: Wiimms ISO Tool v1.19a.beta6 r1892 i386 - Dirk Clemens - 2010-10-21

--snip--

* COPY+SCRUB 1/1 WDF:Kid Adventures - Sky Captain [SSTEG9].wdf -> WIA:/home/matt/wii games/Kid Adventures - Sky Captain [SSTEG9].wia
ÂÂCompression mode: LZMA.7@20 (method LZMA, level 7, chunk size 40 MiB, mem ~754 MiB)

So it states level 7, not 9, the same with 'level.8' - Is that correct, or am I inputting it wrong?

 

[Wiimm]

LZMA allow upto level 9 (compatible to gzip & bzip2), but level 7, 8 and 9 are identical.

 

[Wiimm]

Hi,
more than 2 month ago I have implemented WIA. Can anyone give me some WIA experience report?

I want to know:
- Does anyone using this new format?
- Are there any problems?
- What are the space reduction rates?
- If copying back to the original file format, is the content the same?

 

[W hat]

I was just about to make it my main format, now that I know how to copy + scrub in one go from ISOs.

With compression "none" and LZMA1 "ultra" compression from 7-zip, the 90% space saving estimate seems about right. The House of the Dead 2 and 3 is another outlier: around 40% of original size with LZMA Ultra.

I have yet to really compare Bzip2, LZMA, LZMA2, Arc, and Rar, but it's on my agenda. I think I'll skip Bzip2 and Rar altogether because they're known to be poor compression choices compared to the others.

My future plans include comparing the compression formats on a decent size collection (10 games or so). Any more tests and I'd go mad, my PC is not fast enough to cope. I will also ensure that the before and after WIA hashes match. (Cleanrip -> ISO -> WIA -> ISO)

I'd also like to thank Giantpune again for teaching me about update partitions. I can delete those without guilt. One more question: when scrubbing an ISO (leaving the disc 4.3GB for a single layer but zeroing out garbage), is fakesigning still required? As I understand it, trimming (removing garbage data and shrinking the ISO) requires fakesigning, while scrubbing does not.

 

[giantpune]

scrubbing doesnt require fakesigning simply because those are unused sectors. by definition, they are never read by the game. it doent matter what is there.

about the WIA, I have only used it on 3 or 4 games for testing. i went from .iso and .wbfs to different versions of .wia, then used some commands live wit DUMP, and then converted back to .wbfs and did wit VERIFY. everything seemed to work fine. i personally wont be using it too much as i already have a copy of my games on the retail disc and whatever format is being used to play the game. i probably wont be needing a backup backup.

 

[Bauldrick]

I want to know:
- Does anyone using this new format?
- Are there any problems?
- What are the space reduction rates?
- If copying back to the original file format, is the content the same?

Hi,

1. Yes. I had all my games archived in .wdf format, but have been changing that to .wia because I see it saving so much more space
2. I haven't experianced any, but I'm only using one compression rate (LZMA.9) so haven't tested others.
3. Heres a few games and the difference in size below...
4. I took a game and went from .wdf > .wia > .wbfs >.wdf and the files where the same and VERIFY says OK

Spoiler

715M 2010-10-24 15:16 /Glacier 3 [S3GE20].wdf
227M 2010-10-24 15:16 /Glacier 3 - The Meltdown [S3GE20].wia
4.3G 2010-03-31 12:05 /Guitar Hero - Metallica [SXBP52].wdf
3.5G 2010-03-31 12:05 /Guitar Hero - Metallica [SXBP52].wia
3.2G 2010-05-30 15:49 /Red Steel 2 [RD2X41].wdf
2.4G 2010-05-30 15:49 /Red Steel 2 [RD2X41].wia
3.6G 2009-12-28 23:04 /Rock Band 2 [SZAE69].wdf
3.2G 2009-12-28 23:04 /Rock Band 2 [SZAE69].wia
3.7G 2010-06-25 11:39 /Rockstar Games Presents - Table Tennis [RT3P54].wdf
2.6G 2010-06-25 11:39 /Rockstar Games Presents - Table Tennis [RT3P54].wia
3.0G 2010-05-31 13:46 /Rune Factory - Frontier [RUFP99].wdf
1.4G 2010-05-31 13:46 /Rune Factory - Frontier [RUFP99].wia
3.4G 2009-11-09 22:39 /Scooby-Doo! First Frights [RQNEWR].wdf
2.9G 2009-11-09 22:39 /Scooby-Doo! First Frights [RQNEWR].wia
164M 2010-11-07 13:35 /Sesame Street - Cookie's Counting Carnival [SS4EWR].wdf
114M 2010-11-07 13:35 /Sesame Street - Cookie's Counting Carnival [SS4EWR].wia
2.6G 2010-08-01 15:21 /Sonic & SEGA All-Stars Racing [R3RP8P].wdf
1.7G 2010-08-01 15:21 /Sonic & SEGA All-Stars Racing [R3RP8P].wia
3.4G 2010-02-05 15:13 /SpongeBob's Atlantis SquarePantis [RSAP78].wdf
1.8G 2010-02-05 15:13 /SpongeBob's Atlantis SquarePantis [RSAP78].wia
1.6G 2010-04-27 12:47 /SpongeBob's Boating Bash [SBVE78].wdf
1.2G 2010-04-27 12:47 /SpongeBob's Boating Bash [SBVE78].wia
4.0G 2010-03-31 13:11 /Star Wars The Clone Wars - Lightsaber Duels [RLFP64].wdf
2.3G 2010-03-31 13:11 /Star Wars The Clone Wars - Lightsaber Duels [RLFP64].wia
483M 2010-10-24 15:17 /The Ultimate Battle Of The Sexes [SDDPML].wdf
171M 2010-10-24 15:17 /The Ultimate Battle Of The Sexes [SDDPML].wia

 

[Spearel]

How can I convert a .wia file to a .iso???

 

[Wiimm]

w

How can I convert a .wia file to a .iso???

wit copy image.wia image.iso

more details: http://wit.wiimm.de/info/iso-images.html#write

 

[alekakoC]

w

How can I convert a .wia file to a .iso???

wit copy image.wia image.iso

more details: http://wit.wiimm.de/...ages.html#write

I need your help. Recently, I am trying to convert a game from .wia format to .iso format. I have tried using: wit copy ZeldaSkyward.wia ZeldaSkyward2.iso //// The error it gives is this: ERROR #24 [CAN'T OPEN FILE] in SetupReadSF() @ src/lib-sf.c#339 Can't open file: ZeldaSkyward.wia
I am kinda in a hurry so, if anyone can help, please post here on how to do this. PS: I am using the most updated version of wit.

 

[Wiimm]

What is the output of: wit dump ZeldaSkyward.wia