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Doc Updates

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Add option to pass in existing parameters in use
This commit is contained in:
George Lu
2018-07-31 18:47:27 -07:00
parent e19c79900c
commit f581ccd267
2 changed files with 15 additions and 2 deletions
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4
tests/README.md
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@@ -105,7 +105,8 @@ Full list of arguments
t# - targetLength t# - targetLength
S# - strategy S# - strategy
L# - level L# - level
--zstd= : Single run, parameter selection syntax same as zstdcli --zstd= : Single run, parameter selection syntax same as zstdcli.
When invoked with --optimize, this represents the sample to exceed.
--optimize= : find parameters to maximize compression ratio given parameters --optimize= : find parameters to maximize compression ratio given parameters
Can use all --zstd= commands to constrain the type of solution found in addition to the following constraints Can use all --zstd= commands to constrain the type of solution found in addition to the following constraints
cSpeed= : Minimum compression speed cSpeed= : Minimum compression speed
@@ -120,7 +121,6 @@ Full list of arguments
when determining overall winner (default 1 for both, higher = more valued). when determining overall winner (default 1 for both, higher = more valued).
tries= : Maximum number of random restarts on a single strategy before switching (Default 5) tries= : Maximum number of random restarts on a single strategy before switching (Default 5)
Higher values will make optimizer run longer, more chances to find better solution. Higher values will make optimizer run longer, more chances to find better solution.
--optimize= : same as -O with more verbose syntax
-P# : generated sample compressibility -P# : generated sample compressibility
-t# : Caps runtime of operation in seconds (default : 99999 seconds (about 27 hours )) -t# : Caps runtime of operation in seconds (default : 99999 seconds (about 27 hours ))
-v : Prints Benchmarking output -v : Prints Benchmarking output

13
tests/paramgrill.c
View File

@@ -2234,6 +2234,19 @@ static int optimizeForSize(const char* const * const fileNamesTable, const size_
BMK_printWinnerOpt(stdout, cLevel, winner.result, winner.params, target, buf.srcSize); BMK_printWinnerOpt(stdout, cLevel, winner.result, winner.params, target, buf.srcSize);
} }
if(g_singleRun) {
BMK_result_t res;
g_params = ZSTD_adjustCParams(maskParams(ZSTD_getCParams(cLevel, maxBlockSize, ctx.dictSize), g_params), maxBlockSize, ctx.dictSize);
if(BMK_benchParam(&res, buf, ctx, g_params)) {
ret = 45;
goto _cleanUp;
}
if(compareResultLT(winner.result, res, relaxTarget(target), buf.srcSize)) {
winner.result = res;
winner.params = g_params;
}
}
/* bench */ /* bench */
DISPLAY("\r%79s\r", ""); DISPLAY("\r%79s\r", "");
if(nbFiles == 1) { if(nbFiles == 1) {