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Merge pull request #2611 from facebook/smallerJobs

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allow jobSize to be as low as 512 KB
This commit is contained in:
Yann Collet
2021-05-05 00:03:29 -07:00
committed by GitHub
parent 8389a5122b 1026b9fa10
commit c077f257b4
3 changed files with 9 additions and 10 deletions
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tests/fuzzer.c
+4 -4
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@@ -1589,6 +1589,7 @@ static int basicUnitTests(U32 const seed, double compressibility)
DISPLAYLEVEL(3, "test%3i : setting multithreaded parameters : ", testNb++)
{ ZSTD_CCtx_params* params = ZSTD_createCCtxParams();
int const jobSize = 512 KB;
int value;
/* Check that the overlap log and job size are unset. */
CHECK( ZSTD_CCtxParams_getParameter(params, ZSTD_c_overlapLog, &value) );
@@ -1597,19 +1598,18 @@ static int basicUnitTests(U32 const seed, double compressibility)
CHECK_EQ(value, 0);
/* Set and check the overlap log and job size. */
CHECK( ZSTD_CCtxParams_setParameter(params, ZSTD_c_overlapLog, 5) );
CHECK( ZSTD_CCtxParams_setParameter(params, ZSTD_c_jobSize, 2 MB) );
CHECK( ZSTD_CCtxParams_setParameter(params, ZSTD_c_jobSize, jobSize) );
CHECK( ZSTD_CCtxParams_getParameter(params, ZSTD_c_overlapLog, &value) );
CHECK_EQ(value, 5);
CHECK( ZSTD_CCtxParams_getParameter(params, ZSTD_c_jobSize, &value) );
CHECK_EQ(value, 2 MB);
CHECK_EQ(value, jobSize);
/* Set the number of workers and check the overlap log and job size. */
CHECK( ZSTD_CCtxParams_setParameter(params, ZSTD_c_nbWorkers, 2) );
CHECK( ZSTD_CCtxParams_getParameter(params, ZSTD_c_overlapLog, &value) );
CHECK_EQ(value, 5);
CHECK( ZSTD_CCtxParams_getParameter(params, ZSTD_c_jobSize, &value) );
CHECK_EQ(value, 2 MB);
CHECK_EQ(value, jobSize);
ZSTD_freeCCtxParams(params);
}
DISPLAYLEVEL(3, "OK \n");