#1
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Compression test on unreal engine 3 texture file *.tfc
Original file Textures.tfc = 1.0Gb
Textures.tfc + lzma = 712mb Later used UELR to decompress the *tfc file after processing with UELR new file size= 1.37G Test: UELR(1.37G)+lolz =503mb (took 50min to compress) UELR + srep + rz = 528mb UELR + precomp + srep + lzma = 566mb UELR + lzma = 573mb UELR + srep + lzma = 575mb ( 2mb more) lolz is the best compressor, but took very long to compress. |
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Behnam2018 (17-01-2020) |
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#2
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Try increasing the dictionary in lolz, x1, x2 modes and tt4,8,16. Also play with UELR's options.
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#3
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2 mb more because LZ match length <= lzma dictonary
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#4
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Quote:
u = unpack archive ulv = unpack lossless recoverable blocks in verbose mode. b=brute force parameters x= unpack x64 ue headers could u suggest me any parameter? |
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Behnam2018 (18-01-2020) |
#5
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Sorry, i was thinking about OGGRE when i wrote that. You could brute force every option in lolz but i personally think it's a waste of time considering how big the file is.
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Behnam2018 (18-01-2020) |
#6
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When i tried Unreal engine decompressor on it.. i found that .tfc file was encrypted. Can we remove encryption from that file?
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#7
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For Compressing Unreal Engine Files for e.g .tfc, .upk, .umap etc etc
I have found that by using uelr+srep+lolz given me the compression rate was slightly strong than using uelr+srep64+lolz So my opinion is to use uelr(default)+srep( -m3f -ia- -l512 )+lolz(-d256mb -tt8 -mc1023) on these unreal engine files But if you want lolz to fire up the speed then use lolz(-dto0 -tt1 -dm00 -mc1023) Note: These are outdated settings as we have new tools since from 2 months, i am pretty busy to try em
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TheGeekyGamer (08-06-2018) |
#8
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Thank you psycho_rage i would try them, i think -m3f uses large amount of RAM ~8gb. Can i use -m2f ?
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#9
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-ia-: disable I/O acceleration in order to reduce memory usage (-m5 only)
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PsYcHo_RaGE (14-01-2020) |
#10
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I tried what u suggested. I used the faster method on srep file (1.12gb), finally it reduced to 495 mb (8mb lesser than before). I tried the other one and the file size was almost close to 490 mb or something, i closed it as it took more than an hour to compress..
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#11
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#12
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try it but i think its of no use on unreal engine files
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#13
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you are right in some way but sometimes it reduces the compression ratio to some percents on different file formats
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#14
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might be but i think no it will not but you can try yourself to see what it will give
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#15
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