A friend of mine did more tests of cls vs generic pzlib. Decoding speed.
Code:
| t1 | t2 | t4 | t7 |
----------*--------------------------*--------------------------*--------------------------*---------------------------*
pzlib_x86 | 192 sec. / 2613 kB/sec. | 118 sec. / 4249 kB/sec. | 78.3 sec. / 6419 kB/sec. | 61.7 sec. / 8144 kB/sec. |
pzlib_x64 | 141 sec. / 3556 kB/sec. | 87.5 sec. / 5745 kB/sec. | 57.9 sec. / 8680 kB/sec. | 44.1 sec. / 11386 kB/sec. |
cls-pzlib | 198 sec. / 2537 kB/sec. | 119 sec. / 4223 kB/sec. | 78.3 sec. / 6422 kB/sec. | 61.5 sec. / 8169 kB/sec. |
enc opts: pzlib:m2
win7_sp1_x64
i7-4700MQ / 8 GB RAM
RAM-Disk