ddidderr/zstd-rs
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Merge pull request #736 from terrelln/cover-default-api

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[zdict] Make COVER the default algorithm
This commit is contained in:
Yann Collet
2017-06-28 20:25:36 -07:00
committed by GitHub
parent ad5f29918e 5b7fd7c422
commit 811deaea6f
8 changed files with 182 additions and 196 deletions
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tests/fuzzer.c
+9 -9
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@@ -638,7 +638,7 @@ static int basicUnitTests(U32 seed, double compressibility)
size_t const sampleUnitSize = 8 KB;
U32 const nbSamples = (U32)(totalSampleSize / sampleUnitSize);
size_t* const samplesSizes = (size_t*) malloc(nbSamples * sizeof(size_t));
COVER_params_t params;
ZDICT_cover_params_t params;
U32 dictID;
if (dictBuffer==NULL || samplesSizes==NULL) {
@@ -647,14 +647,14 @@ static int basicUnitTests(U32 seed, double compressibility)
goto _output_error;
}
DISPLAYLEVEL(4, "test%3i : COVER_trainFromBuffer : ", testNb++);
DISPLAYLEVEL(4, "test%3i : ZDICT_trainFromBuffer_cover : ", testNb++);
{ U32 u; for (u=0; u<nbSamples; u++) samplesSizes[u] = sampleUnitSize; }
memset(&params, 0, sizeof(params));
params.d = 1 + (FUZ_rand(&seed) % 16);
params.k = params.d + (FUZ_rand(&seed) % 256);
dictSize = COVER_trainFromBuffer(dictBuffer, dictSize,
CNBuffer, samplesSizes, nbSamples,
params);
dictSize = ZDICT_trainFromBuffer_cover(dictBuffer, dictSize,
CNBuffer, samplesSizes, nbSamples,
params);
if (ZDICT_isError(dictSize)) goto _output_error;
DISPLAYLEVEL(4, "OK, created dictionary of size %u \n", (U32)dictSize);
@@ -663,12 +663,12 @@ static int basicUnitTests(U32 seed, double compressibility)
if (dictID==0) goto _output_error;
DISPLAYLEVEL(4, "OK : %u \n", dictID);
DISPLAYLEVEL(4, "test%3i : COVER_optimizeTrainFromBuffer : ", testNb++);
DISPLAYLEVEL(4, "test%3i : ZDICT_optimizeTrainFromBuffer_cover : ", testNb++);
memset(&params, 0, sizeof(params));
params.steps = 4;
optDictSize = COVER_optimizeTrainFromBuffer(dictBuffer, optDictSize,
CNBuffer, samplesSizes, nbSamples / 4,
&params);
optDictSize = ZDICT_optimizeTrainFromBuffer_cover(dictBuffer, optDictSize,
CNBuffer, samplesSizes,
nbSamples / 4, &params);
if (ZDICT_isError(optDictSize)) goto _output_error;
DISPLAYLEVEL(4, "OK, created dictionary of size %u \n", (U32)optDictSize);