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expkg/vendor/lz4/programs/bench.h

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+/*
+    bench.h - Demo program to benchmark open-source compression algorithm
+    Copyright (c) Yann Collet. All rights reserved.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+    You can contact the author at :
+    - LZ4 source repository : https://github.com/lz4/lz4
+    - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
+*/
+#ifndef BENCH_H_125623623633
+#define BENCH_H_125623623633
+
+#include <stddef.h>
+
+/* BMK_benchFiles() :
+ * Benchmark all files provided through array @fileNamesTable.
+ * All files must be valid, otherwise benchmark fails.
+ * Roundtrip measurements are done for each file individually, but
+ * unless BMK_setBenchSeparately() is set, all results are agglomerated.
+ * The method benchmarks all compression levels from @cLevelStart to @cLevelLast,
+ * both inclusive, providing one result per compression level.
+ * If @cLevelLast <= @cLevelStart, BMK_benchFiles() benchmarks @cLevelStart only.
+ * @dictFileName is optional, it's possible to provide NULL.
+ * When provided, compression and decompression use the specified file as dictionary.
+ * Only one dictionary can be provided, in which case it's applied to all benchmarked files.
+**/
+int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles,
+                   int cLevelStart, int cLevelLast,
+                   const char* dictFileName);
+
+/* Set Parameters */
+void BMK_setNbSeconds(unsigned nbSeconds);  /* minimum benchmark duration, in seconds, for both compression and decompression */
+void BMK_setBlockSize(size_t blockSize);    /* Internally cut input file(s) into independent blocks of specified size */
+void BMK_setNotificationLevel(unsigned level);  /* Influence verbosity level */
+void BMK_setBenchSeparately(int separate);  /* When providing multiple files, output one result per file */
+void BMK_setDecodeOnlyMode(int set);        /* v1.9.4+: set benchmark mode to decode only */
+void BMK_skipChecksums(int skip);           /* v1.9.4+: only useful for DecodeOnlyMode; do not calculate checksum when present, to save CPU time */
+
+void BMK_setAdditionalParam(int additionalParam); /* hidden param, influence output format, for python parsing */
+
+#endif   /* BENCH_H_125623623633 */