gzip -c test.xtc > test.xtc.gz
-rw-r--r-- 1 dubrovin br 168126152 Jan 23 14:48 test.xtc
-rw-r--r-- 1 dubrovin br  88829288 Jan 23 14:51 test.xtc.gz

compression factor = 1.89, time 30sec

Load data from file nda-cxitut13-r0010-e000011.npy
raw data:  shape:(32, 185, 388)  size:2296960  dtype:int16 [1028 1082 1101 1072 1131]...
Start zlib.compress
zlib level=0:  data size (bytes) in/out = 4593957/4594663 = 1.000  time(sec)=0.025749  t(decomp)=0.005665
zlib level=1:  data size (bytes) in/out = 4593957/2922633 = 1.572  time(sec)=0.108629  t(decomp)=0.026618
zlib level=2:  data size (bytes) in/out = 4593957/2908156 = 1.580  time(sec)=0.125363  t(decomp)=0.029112
zlib level=3:  data size (bytes) in/out = 4593957/2884917 = 1.592  time(sec)=0.170814  t(decomp)=0.027699
zlib level=4:  data size (bytes) in/out = 4593957/2886850 = 1.591  time(sec)=0.158719  t(decomp)=0.029466
zlib level=5:  data size (bytes) in/out = 4593957/2885665 = 1.592  time(sec)=0.261296  t(decomp)=0.030550
zlib level=6:  data size (bytes) in/out = 4593957/2834066 = 1.621  time(sec)=0.597133  t(decomp)=0.027355
zlib level=7:  data size (bytes) in/out = 4593957/2828951 = 1.624  time(sec)=0.609569  t(decomp)=0.026842
zlib level=8:  data size (bytes) in/out = 4593957/2828951 = 1.624  time(sec)=0.636173  t(decomp)=0.027226
zlib level=9:  data size (bytes) in/out = 4593957/2828951 = 1.624  time(sec)=0.611562  t(decomp)=0.027042