pLZ4 (LZ4 Precompressor) - Test

[poker2332]

Hello, I would like to thank for this beautiful program.
But I would need to know the best way to get a good compression ratio.
I am currently doing a repack of BF4 in its multiplayer version.
This is my arc.ini

[External compressorLZ4]
header = 0
packcmd = pLZ4 e -l9 -t8 -st75p -ct16 -c150m - -o - <stdin> <stdout>
unpackcmd = pLZ4 d -t8 - -o - <stdin> <stdout

[External compressor:7z]
header = 0
packcmd = 7z a -txz -an -mcrc=0 -m1=lzma2:d150m:fb=273:mf=bt4:mc=100000000:lc=4:lp= 0 -mmt=4 -mx9 -si -so <stdin> <stdout>
unpackcmd = 7z x -txz -an -y -si -so <stdin> <stdout>

[External compressor:srep]
header = 0
packcmd = srep {options} -m5f -d1g -a1 $$arcdatafile$$.tmp $$arcpackedfile$$.tmp
unpackcmd = srep {options} -d -s - - <stdin> <stdout>

Is it possible to get a better compression ratio?

-↓- [ CMD Bench.Test.Info v0.6.9c ] -↓- Compressed Archive Completed At -↓- 24/06/2017 7:22:11
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Arc 4,15°GB 3,63°GB 87,47% 39°Files 01:59:01:803 a -ma9 -ds -lc1024 -ld1024 -ep-- -di -i2 -ed -r -w"temp" -mpLZ4+msc+srep+7z
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-↓- [ CMD Bench.Test.Info v0.6.9c ] -↓- Compressed Archive Completed At -↓- 24/06/2017 9:24:24
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Arc 4,19°GB 3,56°GB 84,96% 4°Files 02:02:13:776 a -ma9 -ds -lc1024 -ld1024 -ep-- -di -i2 -ed -r -w"temp" -mpLZ4+msc+srep+7z
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-↓- [ CMD Bench.Test.Info v0.6.9c ] -↓- Compressed Archive Completed At -↓- 24/06/2017 11:15:53
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Arc 4,01°GB 3,41°GB 85,04% 4°Files 01:51:28:87 a -ma9 -ds -lc1024 -ld1024 -ep-- -di -i2 -ed -r -w"temp" -mpLZ4+msc+srep+7z
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-↓- [ CMD Bench.Test.Info v0.6.9c ] -↓- Compressed Archive Completed At -↓- 24/06/2017 13:40:27
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Arc 4,10°GB 3,55°GB 86,59% 4°Files 02:24:35:214 a -ma9 -ds -lc1024 -ld1024 -ep-- -di -i2 -ed -r -w"temp" -mpLZ4+msc+srep+7z
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-↓- [ CMD Bench.Test.Info v0.6.9c ] -↓- Compressed Archive Completed At -↓- 24/06/2017 15:54:32
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Arc 4,00°GB 3,46°GB 86,50% 4°Files 02:14:04:624 a -ma9 -ds -lc1024 -ld1024 -ep-- -di -i2 -ed -r -w"temp" -mpLZ4+msc+srep+7z
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