xref: /freebsd/sys/contrib/zstd/zlibWrapper/examples/zwrapbench.c (revision a25896ca1270e25b657ceaa8d47d5699515f5c25)
1 /*
2  * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
3  * All rights reserved.
4  *
5  * This source code is licensed under both the BSD-style license (found in the
6  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
7  * in the COPYING file in the root directory of this source tree).
8  */
9 
10 
11 /* *************************************
12 *  Includes
13 ***************************************/
14 #include "util.h"        /* Compiler options, UTIL_GetFileSize, UTIL_sleep */
15 #include <stdlib.h>      /* malloc, free */
16 #include <string.h>      /* memset */
17 #include <stdio.h>       /* fprintf, fopen, ftello64 */
18 #include <time.h>        /* clock_t, clock, CLOCKS_PER_SEC */
19 #include <ctype.h>       /* toupper */
20 
21 #include "mem.h"
22 #define ZSTD_STATIC_LINKING_ONLY
23 #include "zstd.h"
24 #include "datagen.h"     /* RDG_genBuffer */
25 #include "xxhash.h"
26 
27 #include "zstd_zlibwrapper.h"
28 
29 
30 
31 /*-************************************
32 *  Tuning parameters
33 **************************************/
34 #ifndef ZSTDCLI_CLEVEL_DEFAULT
35 #  define ZSTDCLI_CLEVEL_DEFAULT 3
36 #endif
37 
38 
39 /*-************************************
40 *  Constants
41 **************************************/
42 #define COMPRESSOR_NAME "Zstandard wrapper for zlib command line interface"
43 #ifndef ZSTD_VERSION
44 #  define ZSTD_VERSION "v" ZSTD_VERSION_STRING
45 #endif
46 #define AUTHOR "Yann Collet"
47 #define WELCOME_MESSAGE "*** %s %i-bits %s, by %s ***\n", COMPRESSOR_NAME, (int)(sizeof(size_t)*8), ZSTD_VERSION, AUTHOR
48 
49 #ifndef ZSTD_GIT_COMMIT
50 #  define ZSTD_GIT_COMMIT_STRING ""
51 #else
52 #  define ZSTD_GIT_COMMIT_STRING ZSTD_EXPAND_AND_QUOTE(ZSTD_GIT_COMMIT)
53 #endif
54 
55 #define NBLOOPS               3
56 #define TIMELOOP_MICROSEC     1*1000000ULL /* 1 second */
57 #define ACTIVEPERIOD_MICROSEC 70*1000000ULL /* 70 seconds */
58 #define COOLPERIOD_SEC        10
59 
60 #define KB *(1 <<10)
61 #define MB *(1 <<20)
62 #define GB *(1U<<30)
63 
64 static const size_t maxMemory = (sizeof(size_t)==4)  ?  (2 GB - 64 MB) : (size_t)(1ULL << ((sizeof(size_t)*8)-31));
65 
66 static U32 g_compressibilityDefault = 50;
67 
68 
69 /* *************************************
70 *  console display
71 ***************************************/
72 #define DEFAULT_DISPLAY_LEVEL 2
73 #define DISPLAY(...)         fprintf(displayOut, __VA_ARGS__)
74 #define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); }
75 static int g_displayLevel = DEFAULT_DISPLAY_LEVEL;   /* 0 : no display;   1: errors;   2 : + result + interaction + warnings;   3 : + progression;   4 : + information */
76 static FILE* displayOut;
77 
78 #define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \
79             if ((clock() - g_time > refreshRate) || (g_displayLevel>=4)) \
80             { g_time = clock(); DISPLAY(__VA_ARGS__); \
81             if (g_displayLevel>=4) fflush(displayOut); } }
82 static const clock_t refreshRate = CLOCKS_PER_SEC * 15 / 100;
83 static clock_t g_time = 0;
84 
85 
86 /* *************************************
87 *  Exceptions
88 ***************************************/
89 #ifndef DEBUG
90 #  define DEBUG 0
91 #endif
92 #define DEBUGOUTPUT(...) { if (DEBUG) DISPLAY(__VA_ARGS__); }
93 #define EXM_THROW(error, ...)                                             \
94 {                                                                         \
95     DEBUGOUTPUT("Error defined at %s, line %i : \n", __FILE__, __LINE__); \
96     DISPLAYLEVEL(1, "Error %i : ", error);                                \
97     DISPLAYLEVEL(1, __VA_ARGS__);                                         \
98     DISPLAYLEVEL(1, "\n");                                                \
99     exit(error);                                                          \
100 }
101 
102 
103 /* *************************************
104 *  Benchmark Parameters
105 ***************************************/
106 static U32 g_nbIterations = NBLOOPS;
107 static size_t g_blockSize = 0;
108 int g_additionalParam = 0;
109 
110 void BMK_setNotificationLevel(unsigned level) { g_displayLevel=level; }
111 
112 void BMK_setAdditionalParam(int additionalParam) { g_additionalParam=additionalParam; }
113 
114 void BMK_SetNbIterations(unsigned nbLoops)
115 {
116     g_nbIterations = nbLoops;
117     DISPLAYLEVEL(3, "- test >= %u seconds per compression / decompression -\n", g_nbIterations);
118 }
119 
120 void BMK_SetBlockSize(size_t blockSize)
121 {
122     g_blockSize = blockSize;
123     DISPLAYLEVEL(2, "using blocks of size %u KB \n", (U32)(blockSize>>10));
124 }
125 
126 
127 /* ********************************************************
128 *  Bench functions
129 **********************************************************/
130 #undef MIN
131 #undef MAX
132 #define MIN(a,b) ((a)<(b) ? (a) : (b))
133 #define MAX(a,b) ((a)>(b) ? (a) : (b))
134 
135 typedef struct
136 {
137     z_const char* srcPtr;
138     size_t srcSize;
139     char*  cPtr;
140     size_t cRoom;
141     size_t cSize;
142     char*  resPtr;
143     size_t resSize;
144 } blockParam_t;
145 
146 typedef enum { BMK_ZSTD, BMK_ZSTD_STREAM, BMK_ZLIB, BMK_ZWRAP_ZLIB, BMK_ZWRAP_ZSTD, BMK_ZLIB_REUSE, BMK_ZWRAP_ZLIB_REUSE, BMK_ZWRAP_ZSTD_REUSE } BMK_compressor;
147 
148 
149 static int BMK_benchMem(z_const void* srcBuffer, size_t srcSize,
150                         const char* displayName, int cLevel,
151                         const size_t* fileSizes, U32 nbFiles,
152                         const void* dictBuffer, size_t dictBufferSize, BMK_compressor compressor)
153 {
154     size_t const blockSize = (g_blockSize>=32 ? g_blockSize : srcSize) + (!srcSize) /* avoid div by 0 */ ;
155     size_t const avgSize = MIN(g_blockSize, (srcSize / nbFiles));
156     U32 const maxNbBlocks = (U32) ((srcSize + (blockSize-1)) / blockSize) + nbFiles;
157     blockParam_t* const blockTable = (blockParam_t*) malloc(maxNbBlocks * sizeof(blockParam_t));
158     size_t const maxCompressedSize = ZSTD_compressBound(srcSize) + (maxNbBlocks * 1024);   /* add some room for safety */
159     void* const compressedBuffer = malloc(maxCompressedSize);
160     void* const resultBuffer = malloc(srcSize);
161     ZSTD_CCtx* const ctx = ZSTD_createCCtx();
162     ZSTD_DCtx* const dctx = ZSTD_createDCtx();
163     U32 nbBlocks;
164 
165     /* checks */
166     if (!compressedBuffer || !resultBuffer || !blockTable || !ctx || !dctx)
167         EXM_THROW(31, "allocation error : not enough memory");
168 
169     /* init */
170     if (strlen(displayName)>17) displayName += strlen(displayName)-17;   /* can only display 17 characters */
171 
172     /* Init blockTable data */
173     {   z_const char* srcPtr = (z_const char*)srcBuffer;
174         char* cPtr = (char*)compressedBuffer;
175         char* resPtr = (char*)resultBuffer;
176         U32 fileNb;
177         for (nbBlocks=0, fileNb=0; fileNb<nbFiles; fileNb++) {
178             size_t remaining = fileSizes[fileNb];
179             U32 const nbBlocksforThisFile = (U32)((remaining + (blockSize-1)) / blockSize);
180             U32 const blockEnd = nbBlocks + nbBlocksforThisFile;
181             for ( ; nbBlocks<blockEnd; nbBlocks++) {
182                 size_t const thisBlockSize = MIN(remaining, blockSize);
183                 blockTable[nbBlocks].srcPtr = srcPtr;
184                 blockTable[nbBlocks].cPtr = cPtr;
185                 blockTable[nbBlocks].resPtr = resPtr;
186                 blockTable[nbBlocks].srcSize = thisBlockSize;
187                 blockTable[nbBlocks].cRoom = ZSTD_compressBound(thisBlockSize);
188                 srcPtr += thisBlockSize;
189                 cPtr += blockTable[nbBlocks].cRoom;
190                 resPtr += thisBlockSize;
191                 remaining -= thisBlockSize;
192     }   }   }
193 
194     /* warmimg up memory */
195     RDG_genBuffer(compressedBuffer, maxCompressedSize, 0.10, 0.50, 1);
196 
197     /* Bench */
198     {   U64 fastestC = (U64)(-1LL), fastestD = (U64)(-1LL);
199         U64 const crcOrig = XXH64(srcBuffer, srcSize, 0);
200         UTIL_time_t coolTime;
201         U64 const maxTime = (g_nbIterations * TIMELOOP_MICROSEC) + 100;
202         U64 totalCTime=0, totalDTime=0;
203         U32 cCompleted=0, dCompleted=0;
204 #       define NB_MARKS 4
205         const char* const marks[NB_MARKS] = { " |", " /", " =",  "\\" };
206         U32 markNb = 0;
207         size_t cSize = 0;
208         double ratio = 0.;
209 
210         coolTime = UTIL_getTime();
211         DISPLAYLEVEL(2, "\r%79s\r", "");
212         while (!cCompleted | !dCompleted) {
213             UTIL_time_t clockStart;
214             U64 clockLoop = g_nbIterations ? TIMELOOP_MICROSEC : 1;
215 
216             /* overheat protection */
217             if (UTIL_clockSpanMicro(coolTime) > ACTIVEPERIOD_MICROSEC) {
218                 DISPLAYLEVEL(2, "\rcooling down ...    \r");
219                 UTIL_sleep(COOLPERIOD_SEC);
220                 coolTime = UTIL_getTime();
221             }
222 
223             /* Compression */
224             DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->\r", marks[markNb], displayName, (U32)srcSize);
225             if (!cCompleted) memset(compressedBuffer, 0xE5, maxCompressedSize);  /* warm up and erase result buffer */
226 
227             UTIL_sleepMilli(1);  /* give processor time to other processes */
228             UTIL_waitForNextTick();
229             clockStart = UTIL_getTime();
230 
231             if (!cCompleted) {   /* still some time to do compression tests */
232                 U32 nbLoops = 0;
233                 if (compressor == BMK_ZSTD) {
234                     ZSTD_parameters const zparams = ZSTD_getParams(cLevel, avgSize, dictBufferSize);
235                     ZSTD_customMem const cmem = { NULL, NULL, NULL };
236                     ZSTD_CDict* const cdict = ZSTD_createCDict_advanced(dictBuffer, dictBufferSize, ZSTD_dlm_byRef, ZSTD_dct_auto, zparams.cParams, cmem);
237                     if (cdict==NULL) EXM_THROW(1, "ZSTD_createCDict_advanced() allocation failure");
238 
239                     do {
240                         U32 blockNb;
241                         size_t rSize;
242                         for (blockNb=0; blockNb<nbBlocks; blockNb++) {
243                             if (dictBufferSize) {
244                                 rSize = ZSTD_compress_usingCDict(ctx,
245                                                 blockTable[blockNb].cPtr,  blockTable[blockNb].cRoom,
246                                                 blockTable[blockNb].srcPtr,blockTable[blockNb].srcSize,
247                                                 cdict);
248                             } else {
249                                 rSize = ZSTD_compressCCtx (ctx,
250                                                 blockTable[blockNb].cPtr,  blockTable[blockNb].cRoom,
251                                                 blockTable[blockNb].srcPtr,blockTable[blockNb].srcSize, cLevel);
252                             }
253                             if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_compress_usingCDict() failed : %s", ZSTD_getErrorName(rSize));
254                             blockTable[blockNb].cSize = rSize;
255                         }
256                         nbLoops++;
257                     } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
258                     ZSTD_freeCDict(cdict);
259                 } else if (compressor == BMK_ZSTD_STREAM) {
260                     ZSTD_parameters const zparams = ZSTD_getParams(cLevel, avgSize, dictBufferSize);
261                     ZSTD_inBuffer inBuffer;
262                     ZSTD_outBuffer outBuffer;
263                     ZSTD_CStream* zbc = ZSTD_createCStream();
264                     size_t rSize;
265                     if (zbc == NULL) EXM_THROW(1, "ZSTD_createCStream() allocation failure");
266                     rSize = ZSTD_initCStream_advanced(zbc, dictBuffer, dictBufferSize, zparams, avgSize);
267                     if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_initCStream_advanced() failed : %s", ZSTD_getErrorName(rSize));
268                     do {
269                         U32 blockNb;
270                         for (blockNb=0; blockNb<nbBlocks; blockNb++) {
271                             rSize = ZSTD_resetCStream(zbc, blockTable[blockNb].srcSize);
272                             if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_resetCStream() failed : %s", ZSTD_getErrorName(rSize));
273                             inBuffer.src = blockTable[blockNb].srcPtr;
274                             inBuffer.size = blockTable[blockNb].srcSize;
275                             inBuffer.pos = 0;
276                             outBuffer.dst = blockTable[blockNb].cPtr;
277                             outBuffer.size = blockTable[blockNb].cRoom;
278                             outBuffer.pos = 0;
279                             rSize = ZSTD_compressStream(zbc, &outBuffer, &inBuffer);
280                             if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_compressStream() failed : %s", ZSTD_getErrorName(rSize));
281                             rSize = ZSTD_endStream(zbc, &outBuffer);
282                             if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_endStream() failed : %s", ZSTD_getErrorName(rSize));
283                             blockTable[blockNb].cSize = outBuffer.pos;
284                         }
285                         nbLoops++;
286                     } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
287                     ZSTD_freeCStream(zbc);
288                 } else if (compressor == BMK_ZWRAP_ZLIB_REUSE || compressor == BMK_ZWRAP_ZSTD_REUSE || compressor == BMK_ZLIB_REUSE) {
289                     z_stream def;
290                     int ret;
291                     int useSetDict = (dictBuffer != NULL);
292                     if (compressor == BMK_ZLIB_REUSE || compressor == BMK_ZWRAP_ZLIB_REUSE) ZWRAP_useZSTDcompression(0);
293                     else ZWRAP_useZSTDcompression(1);
294                     def.zalloc = Z_NULL;
295                     def.zfree = Z_NULL;
296                     def.opaque = Z_NULL;
297                     ret = deflateInit(&def, cLevel);
298                     if (ret != Z_OK) EXM_THROW(1, "deflateInit failure");
299                  /*   if (ZWRAP_isUsingZSTDcompression()) {
300                         ret = ZWRAP_setPledgedSrcSize(&def, avgSize);
301                         if (ret != Z_OK) EXM_THROW(1, "ZWRAP_setPledgedSrcSize failure");
302                     } */
303                     do {
304                         U32 blockNb;
305                         for (blockNb=0; blockNb<nbBlocks; blockNb++) {
306                             if (ZWRAP_isUsingZSTDcompression())
307                                 ret = ZWRAP_deflateReset_keepDict(&def); /* reuse dictionary to make compression faster */
308                             else
309                                 ret = deflateReset(&def);
310                             if (ret != Z_OK) EXM_THROW(1, "deflateReset failure");
311                             if (useSetDict) {
312                                 ret = deflateSetDictionary(&def, dictBuffer, dictBufferSize);
313                                 if (ret != Z_OK) EXM_THROW(1, "deflateSetDictionary failure");
314                                 if (ZWRAP_isUsingZSTDcompression()) useSetDict = 0; /* zstd doesn't require deflateSetDictionary after ZWRAP_deflateReset_keepDict */
315                             }
316                             def.next_in = (z_const void*) blockTable[blockNb].srcPtr;
317                             def.avail_in = (uInt)blockTable[blockNb].srcSize;
318                             def.total_in = 0;
319                             def.next_out = (void*) blockTable[blockNb].cPtr;
320                             def.avail_out = (uInt)blockTable[blockNb].cRoom;
321                             def.total_out = 0;
322                             ret = deflate(&def, Z_FINISH);
323                             if (ret != Z_STREAM_END) EXM_THROW(1, "deflate failure ret=%d srcSize=%d" , ret, (int)blockTable[blockNb].srcSize);
324                             blockTable[blockNb].cSize = def.total_out;
325                         }
326                         nbLoops++;
327                     } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
328                     ret = deflateEnd(&def);
329                     if (ret != Z_OK) EXM_THROW(1, "deflateEnd failure");
330                 } else {
331                     z_stream def;
332                     if (compressor == BMK_ZLIB || compressor == BMK_ZWRAP_ZLIB) ZWRAP_useZSTDcompression(0);
333                     else ZWRAP_useZSTDcompression(1);
334                     do {
335                         U32 blockNb;
336                         for (blockNb=0; blockNb<nbBlocks; blockNb++) {
337                             int ret;
338                             def.zalloc = Z_NULL;
339                             def.zfree = Z_NULL;
340                             def.opaque = Z_NULL;
341                             ret = deflateInit(&def, cLevel);
342                             if (ret != Z_OK) EXM_THROW(1, "deflateInit failure");
343                             if (dictBuffer) {
344                                 ret = deflateSetDictionary(&def, dictBuffer, dictBufferSize);
345                                 if (ret != Z_OK) EXM_THROW(1, "deflateSetDictionary failure");
346                             }
347                             def.next_in = (z_const void*) blockTable[blockNb].srcPtr;
348                             def.avail_in = (uInt)blockTable[blockNb].srcSize;
349                             def.total_in = 0;
350                             def.next_out = (void*) blockTable[blockNb].cPtr;
351                             def.avail_out = (uInt)blockTable[blockNb].cRoom;
352                             def.total_out = 0;
353                             ret = deflate(&def, Z_FINISH);
354                             if (ret != Z_STREAM_END) EXM_THROW(1, "deflate failure");
355                             ret = deflateEnd(&def);
356                             if (ret != Z_OK) EXM_THROW(1, "deflateEnd failure");
357                             blockTable[blockNb].cSize = def.total_out;
358                         }
359                         nbLoops++;
360                     } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
361                 }
362                 {   U64 const clockSpan = UTIL_clockSpanMicro(clockStart);
363                     if (clockSpan < fastestC*nbLoops) fastestC = clockSpan / nbLoops;
364                     totalCTime += clockSpan;
365                     cCompleted = totalCTime>maxTime;
366             }   }
367 
368             cSize = 0;
369             { U32 blockNb; for (blockNb=0; blockNb<nbBlocks; blockNb++) cSize += blockTable[blockNb].cSize; }
370             ratio = (double)srcSize / (double)cSize;
371             markNb = (markNb+1) % NB_MARKS;
372             DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.3f),%6.1f MB/s\r",
373                     marks[markNb], displayName, (U32)srcSize, (U32)cSize, ratio,
374                     (double)srcSize / fastestC );
375 
376             (void)fastestD; (void)crcOrig;   /*  unused when decompression disabled */
377 #if 1
378             /* Decompression */
379             if (!dCompleted) memset(resultBuffer, 0xD6, srcSize);  /* warm result buffer */
380 
381             UTIL_sleepMilli(1); /* give processor time to other processes */
382             UTIL_waitForNextTick();
383             clockStart = UTIL_getTime();
384 
385             if (!dCompleted) {
386                 U32 nbLoops = 0;
387                 if (compressor == BMK_ZSTD) {
388                     ZSTD_DDict* ddict = ZSTD_createDDict(dictBuffer, dictBufferSize);
389                     if (!ddict) EXM_THROW(2, "ZSTD_createDDict() allocation failure");
390                     do {
391                         U32 blockNb;
392                         for (blockNb=0; blockNb<nbBlocks; blockNb++) {
393                             size_t const regenSize = ZSTD_decompress_usingDDict(dctx,
394                                 blockTable[blockNb].resPtr, blockTable[blockNb].srcSize,
395                                 blockTable[blockNb].cPtr, blockTable[blockNb].cSize,
396                                 ddict);
397                             if (ZSTD_isError(regenSize)) {
398                                 DISPLAY("ZSTD_decompress_usingDDict() failed on block %u : %s  \n",
399                                           blockNb, ZSTD_getErrorName(regenSize));
400                                 clockLoop = 0;   /* force immediate test end */
401                                 break;
402                             }
403                             blockTable[blockNb].resSize = regenSize;
404                         }
405                         nbLoops++;
406                     } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
407                     ZSTD_freeDDict(ddict);
408                 } else if (compressor == BMK_ZSTD_STREAM) {
409                     ZSTD_inBuffer inBuffer;
410                     ZSTD_outBuffer outBuffer;
411                     ZSTD_DStream* zbd = ZSTD_createDStream();
412                     size_t rSize;
413                     if (zbd == NULL) EXM_THROW(1, "ZSTD_createDStream() allocation failure");
414                     rSize = ZSTD_initDStream_usingDict(zbd, dictBuffer, dictBufferSize);
415                     if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_initDStream() failed : %s", ZSTD_getErrorName(rSize));
416                     do {
417                         U32 blockNb;
418                         for (blockNb=0; blockNb<nbBlocks; blockNb++) {
419                             rSize = ZSTD_resetDStream(zbd);
420                             if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_resetDStream() failed : %s", ZSTD_getErrorName(rSize));
421                             inBuffer.src = blockTable[blockNb].cPtr;
422                             inBuffer.size = blockTable[blockNb].cSize;
423                             inBuffer.pos = 0;
424                             outBuffer.dst = blockTable[blockNb].resPtr;
425                             outBuffer.size = blockTable[blockNb].srcSize;
426                             outBuffer.pos = 0;
427                             rSize = ZSTD_decompressStream(zbd, &outBuffer, &inBuffer);
428                             if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_decompressStream() failed : %s", ZSTD_getErrorName(rSize));
429                             blockTable[blockNb].resSize = outBuffer.pos;
430                         }
431                         nbLoops++;
432                     } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
433                     ZSTD_freeDStream(zbd);
434                 } else if (compressor == BMK_ZWRAP_ZLIB_REUSE || compressor == BMK_ZWRAP_ZSTD_REUSE || compressor == BMK_ZLIB_REUSE) {
435                     z_stream inf;
436                     int ret;
437                     if (compressor == BMK_ZLIB_REUSE) ZWRAP_setDecompressionType(ZWRAP_FORCE_ZLIB);
438                     else ZWRAP_setDecompressionType(ZWRAP_AUTO);
439                     inf.zalloc = Z_NULL;
440                     inf.zfree = Z_NULL;
441                     inf.opaque = Z_NULL;
442                     ret = inflateInit(&inf);
443                     if (ret != Z_OK) EXM_THROW(1, "inflateInit failure");
444                     do {
445                         U32 blockNb;
446                         for (blockNb=0; blockNb<nbBlocks; blockNb++) {
447                             if (ZWRAP_isUsingZSTDdecompression(&inf))
448                                 ret = ZWRAP_inflateReset_keepDict(&inf); /* reuse dictionary to make decompression faster; inflate will return Z_NEED_DICT only for the first time */
449                             else
450                                 ret = inflateReset(&inf);
451                             if (ret != Z_OK) EXM_THROW(1, "inflateReset failure");
452                             inf.next_in = (z_const void*) blockTable[blockNb].cPtr;
453                             inf.avail_in = (uInt)blockTable[blockNb].cSize;
454                             inf.total_in = 0;
455                             inf.next_out = (void*) blockTable[blockNb].resPtr;
456                             inf.avail_out = (uInt)blockTable[blockNb].srcSize;
457                             inf.total_out = 0;
458                             ret = inflate(&inf, Z_FINISH);
459                             if (ret == Z_NEED_DICT) {
460                                 ret = inflateSetDictionary(&inf, dictBuffer, dictBufferSize);
461                                 if (ret != Z_OK) EXM_THROW(1, "inflateSetDictionary failure");
462                                 ret = inflate(&inf, Z_FINISH);
463                             }
464                             if (ret != Z_STREAM_END) EXM_THROW(1, "inflate failure");
465                             blockTable[blockNb].resSize = inf.total_out;
466                         }
467                         nbLoops++;
468                     } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
469                     ret = inflateEnd(&inf);
470                     if (ret != Z_OK) EXM_THROW(1, "inflateEnd failure");
471                 } else {
472                     z_stream inf;
473                     if (compressor == BMK_ZLIB) ZWRAP_setDecompressionType(ZWRAP_FORCE_ZLIB);
474                     else ZWRAP_setDecompressionType(ZWRAP_AUTO);
475                     do {
476                         U32 blockNb;
477                         for (blockNb=0; blockNb<nbBlocks; blockNb++) {
478                             int ret;
479                             inf.zalloc = Z_NULL;
480                             inf.zfree = Z_NULL;
481                             inf.opaque = Z_NULL;
482                             ret = inflateInit(&inf);
483                             if (ret != Z_OK) EXM_THROW(1, "inflateInit failure");
484                             inf.next_in = (z_const void*) blockTable[blockNb].cPtr;
485                             inf.avail_in = (uInt)blockTable[blockNb].cSize;
486                             inf.total_in = 0;
487                             inf.next_out = (void*) blockTable[blockNb].resPtr;
488                             inf.avail_out = (uInt)blockTable[blockNb].srcSize;
489                             inf.total_out = 0;
490                             ret = inflate(&inf, Z_FINISH);
491                             if (ret == Z_NEED_DICT) {
492                                 ret = inflateSetDictionary(&inf, dictBuffer, dictBufferSize);
493                                 if (ret != Z_OK) EXM_THROW(1, "inflateSetDictionary failure");
494                                 ret = inflate(&inf, Z_FINISH);
495                             }
496                             if (ret != Z_STREAM_END) EXM_THROW(1, "inflate failure");
497                             ret = inflateEnd(&inf);
498                             if (ret != Z_OK) EXM_THROW(1, "inflateEnd failure");
499                             blockTable[blockNb].resSize = inf.total_out;
500                         }
501                         nbLoops++;
502                     } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
503                 }
504                 {   U64 const clockSpan = UTIL_clockSpanMicro(clockStart);
505                     if (clockSpan < fastestD*nbLoops) fastestD = clockSpan / nbLoops;
506                     totalDTime += clockSpan;
507                     dCompleted = totalDTime>maxTime;
508             }   }
509 
510             markNb = (markNb+1) % NB_MARKS;
511             DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.3f),%6.1f MB/s ,%6.1f MB/s\r",
512                     marks[markNb], displayName, (U32)srcSize, (U32)cSize, ratio,
513                     (double)srcSize / fastestC,
514                     (double)srcSize / fastestD );
515 
516             /* CRC Checking */
517             {   U64 const crcCheck = XXH64(resultBuffer, srcSize, 0);
518                 if (crcOrig!=crcCheck) {
519                     size_t u;
520                     DISPLAY("!!! WARNING !!! %14s : Invalid Checksum : %x != %x   \n", displayName, (unsigned)crcOrig, (unsigned)crcCheck);
521                     for (u=0; u<srcSize; u++) {
522                         if (((const BYTE*)srcBuffer)[u] != ((const BYTE*)resultBuffer)[u]) {
523                             U32 segNb, bNb, pos;
524                             size_t bacc = 0;
525                             DISPLAY("Decoding error at pos %u ", (U32)u);
526                             for (segNb = 0; segNb < nbBlocks; segNb++) {
527                                 if (bacc + blockTable[segNb].srcSize > u) break;
528                                 bacc += blockTable[segNb].srcSize;
529                             }
530                             pos = (U32)(u - bacc);
531                             bNb = pos / (128 KB);
532                             DISPLAY("(block %u, sub %u, pos %u) \n", segNb, bNb, pos);
533                             break;
534                         }
535                         if (u==srcSize-1) {  /* should never happen */
536                             DISPLAY("no difference detected\n");
537                     }   }
538                     break;
539             }   }   /* CRC Checking */
540 #endif
541         }   /* for (testNb = 1; testNb <= (g_nbIterations + !g_nbIterations); testNb++) */
542 
543         if (g_displayLevel == 1) {
544             double cSpeed = (double)srcSize / fastestC;
545             double dSpeed = (double)srcSize / fastestD;
546             if (g_additionalParam)
547                 DISPLAY("-%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s  %s (param=%d)\n", cLevel, (int)cSize, ratio, cSpeed, dSpeed, displayName, g_additionalParam);
548             else
549                 DISPLAY("-%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s  %s\n", cLevel, (int)cSize, ratio, cSpeed, dSpeed, displayName);
550         }
551         DISPLAYLEVEL(2, "%2i#\n", cLevel);
552     }   /* Bench */
553 
554     /* clean up */
555     free(blockTable);
556     free(compressedBuffer);
557     free(resultBuffer);
558     ZSTD_freeCCtx(ctx);
559     ZSTD_freeDCtx(dctx);
560     return 0;
561 }
562 
563 
564 static size_t BMK_findMaxMem(U64 requiredMem)
565 {
566     size_t const step = 64 MB;
567     BYTE* testmem = NULL;
568 
569     requiredMem = (((requiredMem >> 26) + 1) << 26);
570     requiredMem += step;
571     if (requiredMem > maxMemory) requiredMem = maxMemory;
572 
573     do {
574         testmem = (BYTE*)malloc((size_t)requiredMem);
575         requiredMem -= step;
576     } while (!testmem && requiredMem);   /* do not allocate zero bytes */
577 
578     free(testmem);
579     return (size_t)(requiredMem+1);  /* avoid zero */
580 }
581 
582 static void BMK_benchCLevel(void* srcBuffer, size_t benchedSize,
583                             const char* displayName, int cLevel, int cLevelLast,
584                             const size_t* fileSizes, unsigned nbFiles,
585                             const void* dictBuffer, size_t dictBufferSize)
586 {
587     int l;
588 
589     const char* pch = strrchr(displayName, '\\'); /* Windows */
590     if (!pch) pch = strrchr(displayName, '/'); /* Linux */
591     if (pch) displayName = pch+1;
592 
593     SET_REALTIME_PRIORITY;
594 
595     if (g_displayLevel == 1 && !g_additionalParam)
596         DISPLAY("bench %s %s: input %u bytes, %u seconds, %u KB blocks\n", ZSTD_VERSION_STRING, ZSTD_GIT_COMMIT_STRING, (U32)benchedSize, g_nbIterations, (U32)(g_blockSize>>10));
597 
598     if (cLevelLast < cLevel) cLevelLast = cLevel;
599 
600     DISPLAY("benchmarking zstd %s (using ZSTD_CStream)\n", ZSTD_VERSION_STRING);
601     for (l=cLevel; l <= cLevelLast; l++) {
602         BMK_benchMem(srcBuffer, benchedSize,
603                      displayName, l,
604                      fileSizes, nbFiles,
605                      dictBuffer, dictBufferSize, BMK_ZSTD_STREAM);
606     }
607 
608     DISPLAY("benchmarking zstd %s (using ZSTD_CCtx)\n", ZSTD_VERSION_STRING);
609     for (l=cLevel; l <= cLevelLast; l++) {
610         BMK_benchMem(srcBuffer, benchedSize,
611                      displayName, l,
612                      fileSizes, nbFiles,
613                      dictBuffer, dictBufferSize, BMK_ZSTD);
614     }
615 
616     DISPLAY("benchmarking zstd %s (using zlibWrapper)\n", ZSTD_VERSION_STRING);
617     for (l=cLevel; l <= cLevelLast; l++) {
618         BMK_benchMem(srcBuffer, benchedSize,
619                      displayName, l,
620                      fileSizes, nbFiles,
621                      dictBuffer, dictBufferSize, BMK_ZWRAP_ZSTD_REUSE);
622     }
623 
624     DISPLAY("benchmarking zstd %s (zlibWrapper not reusing a context)\n", ZSTD_VERSION_STRING);
625     for (l=cLevel; l <= cLevelLast; l++) {
626         BMK_benchMem(srcBuffer, benchedSize,
627                      displayName, l,
628                      fileSizes, nbFiles,
629                      dictBuffer, dictBufferSize, BMK_ZWRAP_ZSTD);
630     }
631 
632 
633     if (cLevelLast > Z_BEST_COMPRESSION) cLevelLast = Z_BEST_COMPRESSION;
634 
635     DISPLAY("\n");
636     DISPLAY("benchmarking zlib %s\n", ZLIB_VERSION);
637     for (l=cLevel; l <= cLevelLast; l++) {
638         BMK_benchMem(srcBuffer, benchedSize,
639                      displayName, l,
640                      fileSizes, nbFiles,
641                      dictBuffer, dictBufferSize, BMK_ZLIB_REUSE);
642     }
643 
644     DISPLAY("benchmarking zlib %s (zlib not reusing a context)\n", ZLIB_VERSION);
645     for (l=cLevel; l <= cLevelLast; l++) {
646         BMK_benchMem(srcBuffer, benchedSize,
647                      displayName, l,
648                      fileSizes, nbFiles,
649                      dictBuffer, dictBufferSize, BMK_ZLIB);
650     }
651 
652     DISPLAY("benchmarking zlib %s (using zlibWrapper)\n", ZLIB_VERSION);
653     for (l=cLevel; l <= cLevelLast; l++) {
654         BMK_benchMem(srcBuffer, benchedSize,
655                      displayName, l,
656                      fileSizes, nbFiles,
657                      dictBuffer, dictBufferSize, BMK_ZWRAP_ZLIB_REUSE);
658     }
659 
660     DISPLAY("benchmarking zlib %s (zlibWrapper not reusing a context)\n", ZLIB_VERSION);
661     for (l=cLevel; l <= cLevelLast; l++) {
662         BMK_benchMem(srcBuffer, benchedSize,
663                      displayName, l,
664                      fileSizes, nbFiles,
665                      dictBuffer, dictBufferSize, BMK_ZWRAP_ZLIB);
666     }
667 }
668 
669 
670 /*! BMK_loadFiles() :
671     Loads `buffer` with content of files listed within `fileNamesTable`.
672     At most, fills `buffer` entirely */
673 static void BMK_loadFiles(void* buffer, size_t bufferSize,
674                           size_t* fileSizes,
675                           const char** fileNamesTable, unsigned nbFiles)
676 {
677     size_t pos = 0, totalSize = 0;
678     unsigned n;
679     for (n=0; n<nbFiles; n++) {
680         FILE* f;
681         U64 fileSize = UTIL_getFileSize(fileNamesTable[n]);
682         if (UTIL_isDirectory(fileNamesTable[n])) {
683             DISPLAYLEVEL(2, "Ignoring %s directory...       \n", fileNamesTable[n]);
684             fileSizes[n] = 0;
685             continue;
686         }
687         if (fileSize == UTIL_FILESIZE_UNKNOWN) {
688             DISPLAYLEVEL(2, "Cannot determine size of %s ...    \n", fileNamesTable[n]);
689             fileSizes[n] = 0;
690             continue;
691         }
692         f = fopen(fileNamesTable[n], "rb");
693         if (f==NULL) EXM_THROW(10, "impossible to open file %s", fileNamesTable[n]);
694         DISPLAYUPDATE(2, "Loading %s...       \r", fileNamesTable[n]);
695         if (fileSize > bufferSize-pos) fileSize = bufferSize-pos, nbFiles=n;   /* buffer too small - stop after this file */
696         { size_t const readSize = fread(((char*)buffer)+pos, 1, (size_t)fileSize, f);
697           if (readSize != (size_t)fileSize) EXM_THROW(11, "could not read %s", fileNamesTable[n]);
698           pos += readSize; }
699         fileSizes[n] = (size_t)fileSize;
700         totalSize += (size_t)fileSize;
701         fclose(f);
702     }
703 
704     if (totalSize == 0) EXM_THROW(12, "no data to bench");
705 }
706 
707 static void BMK_benchFileTable(const char** fileNamesTable, unsigned nbFiles,
708                                const char* dictFileName, int cLevel, int cLevelLast)
709 {
710     void* srcBuffer;
711     size_t benchedSize;
712     void* dictBuffer = NULL;
713     size_t dictBufferSize = 0;
714     size_t* fileSizes = (size_t*)malloc(nbFiles * sizeof(size_t));
715     U64 const totalSizeToLoad = UTIL_getTotalFileSize(fileNamesTable, nbFiles);
716     char mfName[20] = {0};
717 
718     if (!fileSizes) EXM_THROW(12, "not enough memory for fileSizes");
719 
720     /* Load dictionary */
721     if (dictFileName != NULL) {
722         U64 const dictFileSize = UTIL_getFileSize(dictFileName);
723         if (dictFileSize > 64 MB)
724             EXM_THROW(10, "dictionary file %s too large", dictFileName);
725         dictBufferSize = (size_t)dictFileSize;
726         dictBuffer = malloc(dictBufferSize);
727         if (dictBuffer==NULL)
728             EXM_THROW(11, "not enough memory for dictionary (%u bytes)", (U32)dictBufferSize);
729         BMK_loadFiles(dictBuffer, dictBufferSize, fileSizes, &dictFileName, 1);
730     }
731 
732     /* Memory allocation & restrictions */
733     benchedSize = BMK_findMaxMem(totalSizeToLoad * 3) / 3;
734     if ((U64)benchedSize > totalSizeToLoad) benchedSize = (size_t)totalSizeToLoad;
735     if (benchedSize < totalSizeToLoad)
736         DISPLAY("Not enough memory; testing %u MB only...\n", (U32)(benchedSize >> 20));
737     srcBuffer = malloc(benchedSize + !benchedSize);
738     if (!srcBuffer) EXM_THROW(12, "not enough memory");
739 
740     /* Load input buffer */
741     BMK_loadFiles(srcBuffer, benchedSize, fileSizes, fileNamesTable, nbFiles);
742 
743     /* Bench */
744     snprintf (mfName, sizeof(mfName), " %u files", nbFiles);
745     {   const char* displayName = (nbFiles > 1) ? mfName : fileNamesTable[0];
746         BMK_benchCLevel(srcBuffer, benchedSize,
747                         displayName, cLevel, cLevelLast,
748                         fileSizes, nbFiles,
749                         dictBuffer, dictBufferSize);
750     }
751 
752     /* clean up */
753     free(srcBuffer);
754     free(dictBuffer);
755     free(fileSizes);
756 }
757 
758 
759 static void BMK_syntheticTest(int cLevel, int cLevelLast, double compressibility)
760 {
761     char name[20] = {0};
762     size_t benchedSize = 10000000;
763     void* const srcBuffer = malloc(benchedSize);
764 
765     /* Memory allocation */
766     if (!srcBuffer) EXM_THROW(21, "not enough memory");
767 
768     /* Fill input buffer */
769     RDG_genBuffer(srcBuffer, benchedSize, compressibility, 0.0, 0);
770 
771     /* Bench */
772     snprintf (name, sizeof(name), "Synthetic %2u%%", (unsigned)(compressibility*100));
773     BMK_benchCLevel(srcBuffer, benchedSize, name, cLevel, cLevelLast, &benchedSize, 1, NULL, 0);
774 
775     /* clean up */
776     free(srcBuffer);
777 }
778 
779 
780 int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles,
781                    const char* dictFileName, int cLevel, int cLevelLast)
782 {
783     double const compressibility = (double)g_compressibilityDefault / 100;
784 
785     if (nbFiles == 0)
786         BMK_syntheticTest(cLevel, cLevelLast, compressibility);
787     else
788         BMK_benchFileTable(fileNamesTable, nbFiles, dictFileName, cLevel, cLevelLast);
789     return 0;
790 }
791 
792 
793 
794 
795 /*-************************************
796 *  Command Line
797 **************************************/
798 static int usage(const char* programName)
799 {
800     DISPLAY(WELCOME_MESSAGE);
801     DISPLAY( "Usage :\n");
802     DISPLAY( "      %s [args] [FILE(s)] [-o file]\n", programName);
803     DISPLAY( "\n");
804     DISPLAY( "FILE    : a filename\n");
805     DISPLAY( "          with no FILE, or when FILE is - , read standard input\n");
806     DISPLAY( "Arguments :\n");
807     DISPLAY( " -D file: use `file` as Dictionary \n");
808     DISPLAY( " -h/-H  : display help/long help and exit\n");
809     DISPLAY( " -V     : display Version number and exit\n");
810     DISPLAY( " -v     : verbose mode; specify multiple times to increase log level (default:%d)\n", DEFAULT_DISPLAY_LEVEL);
811     DISPLAY( " -q     : suppress warnings; specify twice to suppress errors too\n");
812 #ifdef UTIL_HAS_CREATEFILELIST
813     DISPLAY( " -r     : operate recursively on directories\n");
814 #endif
815     DISPLAY( "\n");
816     DISPLAY( "Benchmark arguments :\n");
817     DISPLAY( " -b#    : benchmark file(s), using # compression level (default : %d) \n", ZSTDCLI_CLEVEL_DEFAULT);
818     DISPLAY( " -e#    : test all compression levels from -bX to # (default: %d)\n", ZSTDCLI_CLEVEL_DEFAULT);
819     DISPLAY( " -i#    : minimum evaluation time in seconds (default : 3s)\n");
820     DISPLAY( " -B#    : cut file into independent blocks of size # (default: no block)\n");
821     return 0;
822 }
823 
824 static int badusage(const char* programName)
825 {
826     DISPLAYLEVEL(1, "Incorrect parameters\n");
827     if (g_displayLevel >= 1) usage(programName);
828     return 1;
829 }
830 
831 static void waitEnter(void)
832 {
833     int unused;
834     DISPLAY("Press enter to continue...\n");
835     unused = getchar();
836     (void)unused;
837 }
838 
839 /*! readU32FromChar() :
840     @return : unsigned integer value reach from input in `char` format
841     Will also modify `*stringPtr`, advancing it to position where it stopped reading.
842     Note : this function can overflow if digit string > MAX_UINT */
843 static unsigned readU32FromChar(const char** stringPtr)
844 {
845     unsigned result = 0;
846     while ((**stringPtr >='0') && (**stringPtr <='9'))
847         result *= 10, result += **stringPtr - '0', (*stringPtr)++ ;
848     return result;
849 }
850 
851 
852 #define CLEAN_RETURN(i) { operationResult = (i); goto _end; }
853 
854 int main(int argCount, char** argv)
855 {
856     int argNb,
857         main_pause=0,
858         nextEntryIsDictionary=0,
859         operationResult=0,
860         nextArgumentIsFile=0;
861     int cLevel = ZSTDCLI_CLEVEL_DEFAULT;
862     int cLevelLast = 1;
863     unsigned recursive = 0;
864     const char** filenameTable = (const char**)malloc(argCount * sizeof(const char*));   /* argCount >= 1 */
865     unsigned filenameIdx = 0;
866     const char* programName = argv[0];
867     const char* dictFileName = NULL;
868     char* dynNameSpace = NULL;
869 #ifdef UTIL_HAS_CREATEFILELIST
870     const char** fileNamesTable = NULL;
871     char* fileNamesBuf = NULL;
872     unsigned fileNamesNb;
873 #endif
874 
875     /* init */
876     if (filenameTable==NULL) { DISPLAY("zstd: %s \n", strerror(errno)); exit(1); }
877     displayOut = stderr;
878 
879     /* Pick out program name from path. Don't rely on stdlib because of conflicting behavior */
880     {   size_t pos;
881         for (pos = (int)strlen(programName); pos > 0; pos--) { if (programName[pos] == '/') { pos++; break; } }
882         programName += pos;
883     }
884 
885      /* command switches */
886     for(argNb=1; argNb<argCount; argNb++) {
887         const char* argument = argv[argNb];
888         if(!argument) continue;   /* Protection if argument empty */
889 
890         if (nextArgumentIsFile==0) {
891 
892             /* long commands (--long-word) */
893             if (!strcmp(argument, "--")) { nextArgumentIsFile=1; continue; }
894             if (!strcmp(argument, "--version")) { displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0); }
895             if (!strcmp(argument, "--help")) { displayOut=stdout; CLEAN_RETURN(usage(programName)); }
896             if (!strcmp(argument, "--verbose")) { g_displayLevel++; continue; }
897             if (!strcmp(argument, "--quiet")) { g_displayLevel--; continue; }
898 
899             /* Decode commands (note : aggregated commands are allowed) */
900             if (argument[0]=='-') {
901                 argument++;
902 
903                 while (argument[0]!=0) {
904                     switch(argument[0])
905                     {
906                         /* Display help */
907                     case 'V': displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0);   /* Version Only */
908                     case 'H':
909                     case 'h': displayOut=stdout; CLEAN_RETURN(usage(programName));
910 
911                         /* Use file content as dictionary */
912                     case 'D': nextEntryIsDictionary = 1; argument++; break;
913 
914                         /* Verbose mode */
915                     case 'v': g_displayLevel++; argument++; break;
916 
917                         /* Quiet mode */
918                     case 'q': g_displayLevel--; argument++; break;
919 
920 #ifdef UTIL_HAS_CREATEFILELIST
921                         /* recursive */
922                     case 'r': recursive=1; argument++; break;
923 #endif
924 
925                         /* Benchmark */
926                     case 'b':
927                             /* first compression Level */
928                             argument++;
929                             cLevel = readU32FromChar(&argument);
930                             break;
931 
932                         /* range bench (benchmark only) */
933                     case 'e':
934                             /* last compression Level */
935                             argument++;
936                             cLevelLast = readU32FromChar(&argument);
937                             break;
938 
939                         /* Modify Nb Iterations (benchmark only) */
940                     case 'i':
941                         argument++;
942                         {   U32 const iters = readU32FromChar(&argument);
943                             BMK_setNotificationLevel(g_displayLevel);
944                             BMK_SetNbIterations(iters);
945                         }
946                         break;
947 
948                         /* cut input into blocks (benchmark only) */
949                     case 'B':
950                         argument++;
951                         {   size_t bSize = readU32FromChar(&argument);
952                             if (toupper(*argument)=='K') bSize<<=10, argument++;  /* allows using KB notation */
953                             if (toupper(*argument)=='M') bSize<<=20, argument++;
954                             if (toupper(*argument)=='B') argument++;
955                             BMK_setNotificationLevel(g_displayLevel);
956                             BMK_SetBlockSize(bSize);
957                         }
958                         break;
959 
960                         /* Pause at the end (-p) or set an additional param (-p#) (hidden option) */
961                     case 'p': argument++;
962                         if ((*argument>='0') && (*argument<='9')) {
963                             BMK_setAdditionalParam(readU32FromChar(&argument));
964                         } else
965                             main_pause=1;
966                         break;
967                         /* unknown command */
968                     default : CLEAN_RETURN(badusage(programName));
969                     }
970                 }
971                 continue;
972             }   /* if (argument[0]=='-') */
973 
974         }   /* if (nextArgumentIsAFile==0) */
975 
976         if (nextEntryIsDictionary) {
977             nextEntryIsDictionary = 0;
978             dictFileName = argument;
979             continue;
980         }
981 
982         /* add filename to list */
983         filenameTable[filenameIdx++] = argument;
984     }
985 
986     /* Welcome message (if verbose) */
987     DISPLAYLEVEL(3, WELCOME_MESSAGE);
988 
989 #ifdef UTIL_HAS_CREATEFILELIST
990     if (recursive) {
991         fileNamesTable = UTIL_createFileList(filenameTable, filenameIdx, &fileNamesBuf, &fileNamesNb, 1);
992         if (fileNamesTable) {
993             unsigned u;
994             for (u=0; u<fileNamesNb; u++) DISPLAYLEVEL(4, "%u %s\n", u, fileNamesTable[u]);
995             free((void*)filenameTable);
996             filenameTable = fileNamesTable;
997             filenameIdx = fileNamesNb;
998         }
999     }
1000 #endif
1001 
1002     BMK_setNotificationLevel(g_displayLevel);
1003     BMK_benchFiles(filenameTable, filenameIdx, dictFileName, cLevel, cLevelLast);
1004 
1005 _end:
1006     if (main_pause) waitEnter();
1007     free(dynNameSpace);
1008 #ifdef UTIL_HAS_CREATEFILELIST
1009     if (fileNamesTable)
1010         UTIL_freeFileList(fileNamesTable, fileNamesBuf);
1011     else
1012 #endif
1013         free((void*)filenameTable);
1014     return operationResult;
1015 }
1016