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[zstdmt] Fix jobsize bugs (#1205)

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[zstdmt] Fix jobsize bugs

* `ZSTDMT_serialState_reset()` should use `targetSectionSize`, not `jobSize` when sizing the seqstore.
  Add an assert that checks that we sized the seqstore using the right job size.
* `ZSTDMT_compressionJob()` should check if `rawSeqStore.seq == NULL`.
* `ZSTDMT_initCStream_internal()` should not adjust `mtctx->params.jobSize` (clamping to MIN/MAX is okay).
This commit is contained in:
Nick Terrell
2018-06-25 15:21:08 -07:00
committed by GitHub
parent 3b53bfe4f3
commit b426bcc097
3 changed files with 49 additions and 15 deletions
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5
tests/zstreamtest.c
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@ -844,7 +844,12 @@ static int basicUnitTests(U32 seed, double compressibility)
/* Basic multithreading compression test */
DISPLAYLEVEL(3, "test%3i : compress %u bytes with multiple threads : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
{ ZSTD_parameters const params = ZSTD_getParams(1, 0, 0);
unsigned jobSize;
CHECK_Z( ZSTDMT_getMTCtxParameter(mtctx, ZSTDMT_p_jobSize, &jobSize));
CHECK(jobSize != 0, "job size non-zero");
CHECK_Z( ZSTDMT_initCStream_advanced(mtctx, CNBuffer, dictSize, params, CNBufferSize) );
CHECK_Z( ZSTDMT_getMTCtxParameter(mtctx, ZSTDMT_p_jobSize, &jobSize));
CHECK(jobSize != 0, "job size non-zero");
}
outBuff.dst = compressedBuffer;
outBuff.size = compressedBufferSize;