Compresses factor graph binary files with bzip2 #450
Merged
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when grounding, and decompresses on the fly with bzcat when running the
sampler.
This cuts a 2MB (2300279 bytes) factor graph down to 184kB (184224 bytes)
(one produced by the test with spouse_example/ddlog app) with negligible
impact on runtime (or even faster!).
Note that gzip has a 4GB limitation, so bzip2 was used despite its
higher computational cost. xz may be another good candidate to consider.