ddidderr/zstd-rs
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create command --fast[=#]

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access negative compression levels from command line
for both compression and benchmark modes.

also : ensure proper propagation of parameters
through ZSTD_compress_generic() interface.

added relevant cli tests.
This commit is contained in:
Yann Collet
2018-03-11 20:01:23 -07:00
parent a146ee04ae
commit 6a9b41b731
8 changed files with 111 additions and 52 deletions
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programs/bench.c
+3 -5
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@@ -533,9 +533,8 @@ static void BMK_benchCLevel(const void* srcBuffer, size_t benchedSize,
if (g_displayLevel == 1 && !g_additionalParam)
DISPLAY("bench %s %s: input %u bytes, %u seconds, %u KB blocks\n", ZSTD_VERSION_STRING, ZSTD_GIT_COMMIT_STRING, (U32)benchedSize, g_nbSeconds, (U32)(g_blockSize>>10));
if (cLevelLast < cLevel) cLevelLast = cLevel;
for (l=cLevel; l <= cLevelLast; l++) {
DISPLAYLEVEL(6, "BMK_benchCLevel: level %i", l);
BMK_benchMem(srcBuffer, benchedSize,
displayName, l,
fileSizes, nbFiles,
@@ -545,8 +544,8 @@ static void BMK_benchCLevel(const void* srcBuffer, size_t benchedSize,
/*! BMK_loadFiles() :
Loads `buffer` with content of files listed within `fileNamesTable`.
At most, fills `buffer` entirely */
* Loads `buffer` with content of files listed within `fileNamesTable`.
* At most, fills `buffer` entirely. */
static void BMK_loadFiles(void* buffer, size_t bufferSize,
size_t* fileSizes,
const char* const * const fileNamesTable, unsigned nbFiles)
@@ -677,7 +676,6 @@ int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles,
{
double const compressibility = (double)g_compressibilityDefault / 100;
if (cLevel < 1) cLevel = 1; /* minimum compression level */
if (cLevel > ZSTD_maxCLevel()) cLevel = ZSTD_maxCLevel();
if (cLevelLast > ZSTD_maxCLevel()) cLevelLast = ZSTD_maxCLevel();
if (cLevelLast < cLevel) cLevelLast = cLevel;