lib/zstd
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introduced command --adapt

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This commit is contained in:
Yann Collet
2018-08-11 20:48:06 -07:00
parent a996b1fd2d
commit e7a49c6683
6 changed files with 94 additions and 42 deletions
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14
programs/zstdcli.c
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@ -135,6 +135,7 @@ static int usage_advanced(const char* programName)
#ifndef ZSTD_NOCOMPRESS
DISPLAY( "--ultra : enable levels beyond %i, up to %i (requires more memory)\n", ZSTDCLI_CLEVEL_MAX, ZSTD_maxCLevel());
DISPLAY( "--long[=#]: enable long distance matching with given window log (default: %u)\n", g_defaultMaxWindowLog);
DISPLAY( "--adapt : automatically adapt compression level to I/O conditions \n");
DISPLAY( "--fast[=#]: switch to ultra fast compression level (default: %u)\n", 1);
#ifdef ZSTD_MULTITHREAD
DISPLAY( " -T# : spawns # compression threads (default: 1, 0==# cores) \n");
@ -395,6 +396,7 @@ int main(int argCount, const char* argv[])
ldmFlag = 0,
main_pause = 0,
nbWorkers = 0,
adapt = 0,
nextArgumentIsOutFileName = 0,
nextArgumentIsMaxDict = 0,
nextArgumentIsDictID = 0,
@ -511,6 +513,7 @@ int main(int argCount, const char* argv[])
if (!strcmp(argument, "--keep")) { FIO_setRemoveSrcFile(0); continue; }
if (!strcmp(argument, "--rm")) { FIO_setRemoveSrcFile(1); continue; }
if (!strcmp(argument, "--priority=rt")) { setRealTimePrio = 1; continue; }
if (!strcmp(argument, "--adapt")) { adapt = 1; continue; }
if (!strcmp(argument, "--single-thread")) { nbWorkers = 0; singleThread = 1; continue; }
if (!strcmp(argument, "--format=zstd")) { suffix = ZSTD_EXTENSION; FIO_setCompressionType(FIO_zstdCompression); continue; }
#ifdef ZSTD_GZCOMPRESS
@ -935,17 +938,14 @@ int main(int argCount, const char* argv[])
#ifndef ZSTD_NOCOMPRESS
FIO_setNbWorkers(nbWorkers);
FIO_setBlockSize((U32)blockSize);
if (g_overlapLog!=OVERLAP_LOG_DEFAULT) FIO_setOverlapLog(g_overlapLog);
FIO_setLdmFlag(ldmFlag);
FIO_setLdmHashLog(g_ldmHashLog);
FIO_setLdmMinMatch(g_ldmMinMatch);
if (g_ldmBucketSizeLog != LDM_PARAM_DEFAULT) {
FIO_setLdmBucketSizeLog(g_ldmBucketSizeLog);
}
if (g_ldmHashEveryLog != LDM_PARAM_DEFAULT) {
FIO_setLdmHashEveryLog(g_ldmHashEveryLog);
}
if (g_ldmBucketSizeLog != LDM_PARAM_DEFAULT) FIO_setLdmBucketSizeLog(g_ldmBucketSizeLog);
if (g_ldmHashEveryLog != LDM_PARAM_DEFAULT) FIO_setLdmHashEveryLog(g_ldmHashEveryLog);
FIO_setAdaptiveMode(adapt);
if (g_overlapLog!=OVERLAP_LOG_DEFAULT) FIO_setOverlapLog(g_overlapLog);
if ((filenameIdx==1) && outFileName)
operationResult = FIO_compressFilename(outFileName, filenameTable[0], dictFileName, cLevel, &compressionParams);
else