The -Werror=missing-profile caused thread/zlib/lzma/lz4 detection failure
when build with profile-use, thus caused ZSTD_MULTITHREAD etc. is not
defined for profile-use, then there will be many profile mismatch information
in output and the final binary reports run error sometimes as below:
Error : ZSTD_CCtx_setParameter(ctx, ZSTD_c_nbWorkers, adv->nbWorkers) failed : Unsupported parameter
Signed-off-by: Xionghu Luo <xionghuluo@tencent.com>
Using '--single-thread' with '--patch-from' on compression levels above 15 will lead to significantly worse compression ratios.
Corrected the man page not suggest anymore to do this.
- switched the patter and input of $filter into the right places
- added pattern wildcard to MSYS_NT & CYGWIN_NT as they change with windows versions
- correctly identify MSYS2, even in an env like MINGW64
Fixes a bug in AsyncIO where we queue reads after opening a file so our queue will always be saturated (or as saturated as possible).
Previous code was looping up to `availableJobsCount` not realizing `availableJobsCount` was also decreasing in each iteration, so instead of queueing 10 jobs we'd queue 5 (and instead of 2 we'd queue 1).
This PR fixes the loop to queue as long as `availableJobsCount` is not 0.
only disable `--rm` at end of command line parsing,
so that `-c` only disables `--rm` if it's effectively selected,
and not if it's overriden by a later `-o FILE` command.
note that the size of individual compressed blocks will vary more wildly with this modification.
But it seems good enough for a first test, and fix the speed regression issue.
Further refinements can be attempted later.
using real latin sentences from Cicero.
Compression ratio lower again, closer to "real" text,
now level 6 is way better than level 4.
level 5 is still lower than level 4,
but at least it's now higher than level 3.
makes compression a bit less good,
hence a bit more comparable with real text (though still too easy to compress).
level 6 is now stronger than level 4, by a hair.
However, there is still a ratio dip at level 5.
this generator replaces the statistical generator
for the general case when no statistic is requested.
Generated data features a compression level speed / ratio curve
which is more in line with expectation.
