648db22b |
1 | /* |
2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
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 | #include <errno.h> /* errno */ |
21 | |
22 | #include "timefn.h" /* UTIL_time_t, UTIL_getTime, UTIL_clockSpanMicro, UTIL_waitForNextTick */ |
23 | #include "mem.h" |
24 | #define ZSTD_STATIC_LINKING_ONLY |
25 | #include "zstd.h" |
26 | #include "datagen.h" /* RDG_genBuffer */ |
27 | #include "xxhash.h" |
28 | |
29 | #include "../zstd_zlibwrapper.h" |
30 | |
31 | |
32 | |
33 | /*-************************************ |
34 | * Tuning parameters |
35 | **************************************/ |
36 | #ifndef ZSTDCLI_CLEVEL_DEFAULT |
37 | # define ZSTDCLI_CLEVEL_DEFAULT 3 |
38 | #endif |
39 | |
40 | |
41 | /*-************************************ |
42 | * Constants |
43 | **************************************/ |
44 | #define COMPRESSOR_NAME "Zstandard wrapper for zlib command line interface" |
45 | #ifndef ZSTD_VERSION |
46 | # define ZSTD_VERSION "v" ZSTD_VERSION_STRING |
47 | #endif |
48 | #define AUTHOR "Yann Collet" |
49 | #define WELCOME_MESSAGE "*** %s %i-bits %s, by %s ***\n", COMPRESSOR_NAME, (int)(sizeof(size_t)*8), ZSTD_VERSION, AUTHOR |
50 | |
51 | #ifndef ZSTD_GIT_COMMIT |
52 | # define ZSTD_GIT_COMMIT_STRING "" |
53 | #else |
54 | # define ZSTD_GIT_COMMIT_STRING ZSTD_EXPAND_AND_QUOTE(ZSTD_GIT_COMMIT) |
55 | #endif |
56 | |
57 | #define NBLOOPS 3 |
58 | #define TIMELOOP_MICROSEC 1*1000000ULL /* 1 second */ |
59 | #define ACTIVEPERIOD_MICROSEC 70*1000000ULL /* 70 seconds */ |
60 | #define COOLPERIOD_SEC 10 |
61 | |
62 | #define KB *(1 <<10) |
63 | #define MB *(1 <<20) |
64 | #define GB *(1U<<30) |
65 | |
66 | static const size_t maxMemory = (sizeof(size_t)==4) ? (2 GB - 64 MB) : (size_t)(1ULL << ((sizeof(size_t)*8)-31)); |
67 | |
68 | static U32 g_compressibilityDefault = 50; |
69 | |
70 | |
71 | /* ************************************* |
72 | * console display |
73 | ***************************************/ |
74 | #define DEFAULT_DISPLAY_LEVEL 2 |
75 | #define DISPLAY(...) fprintf(displayOut, __VA_ARGS__) |
76 | #define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); } |
77 | static unsigned g_displayLevel = DEFAULT_DISPLAY_LEVEL; /* 0 : no display; 1: errors; 2 : + result + interaction + warnings; 3 : + progression; 4 : + information */ |
78 | static FILE* displayOut; |
79 | |
80 | #define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \ |
81 | if ((clock() - g_time > refreshRate) || (g_displayLevel>=4)) \ |
82 | { g_time = clock(); DISPLAY(__VA_ARGS__); \ |
83 | if (g_displayLevel>=4) fflush(displayOut); } } |
84 | static const clock_t refreshRate = CLOCKS_PER_SEC * 15 / 100; |
85 | static clock_t g_time = 0; |
86 | |
87 | |
88 | /* ************************************* |
89 | * Exceptions |
90 | ***************************************/ |
91 | #ifndef DEBUG |
92 | # define DEBUG 0 |
93 | #endif |
94 | #define DEBUGOUTPUT(...) { if (DEBUG) DISPLAY(__VA_ARGS__); } |
95 | #define EXM_THROW(error, ...) \ |
96 | { \ |
97 | DEBUGOUTPUT("Error defined at %s, line %i : \n", __FILE__, __LINE__); \ |
98 | DISPLAYLEVEL(1, "Error %i : ", error); \ |
99 | DISPLAYLEVEL(1, __VA_ARGS__); \ |
100 | DISPLAYLEVEL(1, "\n"); \ |
101 | exit(error); \ |
102 | } |
103 | |
104 | |
105 | /* ************************************* |
106 | * Benchmark Parameters |
107 | ***************************************/ |
108 | static unsigned g_nbIterations = NBLOOPS; |
109 | static size_t g_blockSize = 0; |
110 | int g_additionalParam = 0; |
111 | |
112 | static void BMK_setNotificationLevel(unsigned level) { g_displayLevel=level; } |
113 | |
114 | static void BMK_setAdditionalParam(int additionalParam) { g_additionalParam=additionalParam; } |
115 | |
116 | static void BMK_SetNbIterations(unsigned nbLoops) |
117 | { |
118 | g_nbIterations = nbLoops; |
119 | DISPLAYLEVEL(3, "- test >= %u seconds per compression / decompression -\n", g_nbIterations); |
120 | } |
121 | |
122 | static void BMK_SetBlockSize(size_t blockSize) |
123 | { |
124 | g_blockSize = blockSize; |
125 | DISPLAYLEVEL(2, "using blocks of size %u KB \n", (unsigned)(blockSize>>10)); |
126 | } |
127 | |
128 | |
129 | /* ******************************************************** |
130 | * Bench functions |
131 | **********************************************************/ |
132 | #undef MIN |
133 | #undef MAX |
134 | #define MIN(a,b) ((a)<(b) ? (a) : (b)) |
135 | #define MAX(a,b) ((a)>(b) ? (a) : (b)) |
136 | |
137 | typedef struct |
138 | { |
139 | z_const char* srcPtr; |
140 | size_t srcSize; |
141 | char* cPtr; |
142 | size_t cRoom; |
143 | size_t cSize; |
144 | char* resPtr; |
145 | size_t resSize; |
146 | } blockParam_t; |
147 | |
148 | 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; |
149 | |
150 | |
151 | static int BMK_benchMem(z_const void* srcBuffer, size_t srcSize, |
152 | const char* displayName, int cLevel, |
153 | const size_t* fileSizes, U32 nbFiles, |
154 | const void* dictBuffer, size_t dictBufferSize, BMK_compressor compressor) |
155 | { |
156 | size_t const blockSize = (g_blockSize>=32 ? g_blockSize : srcSize) + (!srcSize) /* avoid div by 0 */ ; |
157 | size_t const avgSize = MIN(g_blockSize, (srcSize / nbFiles)); |
158 | U32 const maxNbBlocks = (U32) ((srcSize + (blockSize-1)) / blockSize) + nbFiles; |
159 | blockParam_t* const blockTable = (blockParam_t*) malloc(maxNbBlocks * sizeof(blockParam_t)); |
160 | size_t const maxCompressedSize = ZSTD_compressBound(srcSize) + (maxNbBlocks * 1024); /* add some room for safety */ |
161 | void* const compressedBuffer = malloc(maxCompressedSize); |
162 | void* const resultBuffer = malloc(srcSize); |
163 | ZSTD_CCtx* const ctx = ZSTD_createCCtx(); |
164 | ZSTD_DCtx* const dctx = ZSTD_createDCtx(); |
165 | U32 nbBlocks; |
166 | |
167 | /* checks */ |
168 | if (!compressedBuffer || !resultBuffer || !blockTable || !ctx || !dctx) |
169 | EXM_THROW(31, "allocation error : not enough memory"); |
170 | |
171 | /* init */ |
172 | if (strlen(displayName)>17) displayName += strlen(displayName)-17; /* can only display 17 characters */ |
173 | |
174 | /* Init blockTable data */ |
175 | { z_const char* srcPtr = (z_const char*)srcBuffer; |
176 | char* cPtr = (char*)compressedBuffer; |
177 | char* resPtr = (char*)resultBuffer; |
178 | U32 fileNb; |
179 | for (nbBlocks=0, fileNb=0; fileNb<nbFiles; fileNb++) { |
180 | size_t remaining = fileSizes[fileNb]; |
181 | U32 const nbBlocksforThisFile = (U32)((remaining + (blockSize-1)) / blockSize); |
182 | U32 const blockEnd = nbBlocks + nbBlocksforThisFile; |
183 | for ( ; nbBlocks<blockEnd; nbBlocks++) { |
184 | size_t const thisBlockSize = MIN(remaining, blockSize); |
185 | blockTable[nbBlocks].srcPtr = srcPtr; |
186 | blockTable[nbBlocks].cPtr = cPtr; |
187 | blockTable[nbBlocks].resPtr = resPtr; |
188 | blockTable[nbBlocks].srcSize = thisBlockSize; |
189 | blockTable[nbBlocks].cRoom = ZSTD_compressBound(thisBlockSize); |
190 | srcPtr += thisBlockSize; |
191 | cPtr += blockTable[nbBlocks].cRoom; |
192 | resPtr += thisBlockSize; |
193 | remaining -= thisBlockSize; |
194 | } } } |
195 | |
196 | /* warming up memory */ |
197 | RDG_genBuffer(compressedBuffer, maxCompressedSize, 0.10, 0.50, 1); |
198 | |
199 | /* Bench */ |
200 | { U64 fastestC = (U64)(-1LL), fastestD = (U64)(-1LL); |
201 | U64 const crcOrig = XXH64(srcBuffer, srcSize, 0); |
202 | UTIL_time_t coolTime; |
203 | U64 const maxTime = (g_nbIterations * TIMELOOP_MICROSEC) + 100; |
204 | U64 totalCTime=0, totalDTime=0; |
205 | U32 cCompleted=0, dCompleted=0; |
206 | # define NB_MARKS 4 |
207 | const char* const marks[NB_MARKS] = { " |", " /", " =", "\\" }; |
208 | U32 markNb = 0; |
209 | size_t cSize = 0; |
210 | double ratio = 0.; |
211 | |
212 | coolTime = UTIL_getTime(); |
213 | DISPLAYLEVEL(2, "\r%79s\r", ""); |
214 | while (!cCompleted | !dCompleted) { |
215 | UTIL_time_t clockStart; |
216 | U64 clockLoop = g_nbIterations ? TIMELOOP_MICROSEC : 1; |
217 | |
218 | /* overheat protection */ |
219 | if (UTIL_clockSpanMicro(coolTime) > ACTIVEPERIOD_MICROSEC) { |
220 | DISPLAYLEVEL(2, "\rcooling down ... \r"); |
221 | UTIL_sleep(COOLPERIOD_SEC); |
222 | coolTime = UTIL_getTime(); |
223 | } |
224 | |
225 | /* Compression */ |
226 | DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->\r", marks[markNb], displayName, (unsigned)srcSize); |
227 | if (!cCompleted) memset(compressedBuffer, 0xE5, maxCompressedSize); /* warm up and erase result buffer */ |
228 | |
229 | UTIL_sleepMilli(1); /* give processor time to other processes */ |
230 | UTIL_waitForNextTick(); |
231 | clockStart = UTIL_getTime(); |
232 | |
233 | if (!cCompleted) { /* still some time to do compression tests */ |
234 | U32 nbLoops = 0; |
235 | if (compressor == BMK_ZSTD) { |
236 | ZSTD_parameters const zparams = ZSTD_getParams(cLevel, avgSize, dictBufferSize); |
237 | ZSTD_customMem const cmem = { NULL, NULL, NULL }; |
238 | ZSTD_CDict* const cdict = ZSTD_createCDict_advanced(dictBuffer, dictBufferSize, ZSTD_dlm_byRef, ZSTD_dct_auto, zparams.cParams, cmem); |
239 | if (cdict==NULL) EXM_THROW(1, "ZSTD_createCDict_advanced() allocation failure"); |
240 | |
241 | do { |
242 | U32 blockNb; |
243 | size_t rSize; |
244 | for (blockNb=0; blockNb<nbBlocks; blockNb++) { |
245 | if (dictBufferSize) { |
246 | rSize = ZSTD_compress_usingCDict(ctx, |
247 | blockTable[blockNb].cPtr, blockTable[blockNb].cRoom, |
248 | blockTable[blockNb].srcPtr,blockTable[blockNb].srcSize, |
249 | cdict); |
250 | } else { |
251 | rSize = ZSTD_compressCCtx (ctx, |
252 | blockTable[blockNb].cPtr, blockTable[blockNb].cRoom, |
253 | blockTable[blockNb].srcPtr,blockTable[blockNb].srcSize, cLevel); |
254 | } |
255 | if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_compress_usingCDict() failed : %s", ZSTD_getErrorName(rSize)); |
256 | blockTable[blockNb].cSize = rSize; |
257 | } |
258 | nbLoops++; |
259 | } while (UTIL_clockSpanMicro(clockStart) < clockLoop); |
260 | ZSTD_freeCDict(cdict); |
261 | } else if (compressor == BMK_ZSTD_STREAM) { |
262 | ZSTD_parameters const zparams = ZSTD_getParams(cLevel, avgSize, dictBufferSize); |
263 | ZSTD_inBuffer inBuffer; |
264 | ZSTD_outBuffer outBuffer; |
265 | ZSTD_CStream* zbc = ZSTD_createCStream(); |
266 | size_t rSize; |
267 | ZSTD_CCtx_params* cctxParams = ZSTD_createCCtxParams(); |
268 | |
269 | if (!cctxParams) EXM_THROW(1, "ZSTD_createCCtxParams() allocation failure"); |
270 | if (zbc == NULL) EXM_THROW(1, "ZSTD_createCStream() allocation failure"); |
271 | |
272 | { int initErr = 0; |
273 | initErr |= ZSTD_isError(ZSTD_CCtx_reset(zbc, ZSTD_reset_session_only)); |
274 | initErr |= ZSTD_isError(ZSTD_CCtxParams_init_advanced(cctxParams, zparams)); |
275 | initErr |= ZSTD_isError(ZSTD_CCtx_setParametersUsingCCtxParams(zbc, cctxParams)); |
276 | initErr |= ZSTD_isError(ZSTD_CCtx_setPledgedSrcSize(zbc, avgSize)); |
277 | initErr |= ZSTD_isError(ZSTD_CCtx_loadDictionary(zbc, dictBuffer, dictBufferSize)); |
278 | |
279 | ZSTD_freeCCtxParams(cctxParams); |
280 | if (initErr) EXM_THROW(1, "CCtx init failed!"); |
281 | } |
282 | |
283 | do { |
284 | U32 blockNb; |
285 | for (blockNb=0; blockNb<nbBlocks; blockNb++) { |
286 | rSize = ZSTD_CCtx_reset(zbc, ZSTD_reset_session_only); |
287 | if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_CCtx_reset() failed : %s", ZSTD_getErrorName(rSize)); |
288 | rSize = ZSTD_CCtx_setPledgedSrcSize(zbc, blockTable[blockNb].srcSize); |
289 | if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_CCtx_setPledgedSrcSize() failed : %s", ZSTD_getErrorName(rSize)); |
290 | inBuffer.src = blockTable[blockNb].srcPtr; |
291 | inBuffer.size = blockTable[blockNb].srcSize; |
292 | inBuffer.pos = 0; |
293 | outBuffer.dst = blockTable[blockNb].cPtr; |
294 | outBuffer.size = blockTable[blockNb].cRoom; |
295 | outBuffer.pos = 0; |
296 | rSize = ZSTD_compressStream(zbc, &outBuffer, &inBuffer); |
297 | if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_compressStream() failed : %s", ZSTD_getErrorName(rSize)); |
298 | rSize = ZSTD_endStream(zbc, &outBuffer); |
299 | if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_endStream() failed : %s", ZSTD_getErrorName(rSize)); |
300 | blockTable[blockNb].cSize = outBuffer.pos; |
301 | } |
302 | nbLoops++; |
303 | } while (UTIL_clockSpanMicro(clockStart) < clockLoop); |
304 | ZSTD_freeCStream(zbc); |
305 | } else if (compressor == BMK_ZWRAP_ZLIB_REUSE || compressor == BMK_ZWRAP_ZSTD_REUSE || compressor == BMK_ZLIB_REUSE) { |
306 | z_stream def; |
307 | int ret; |
308 | int useSetDict = (dictBuffer != NULL); |
309 | if (compressor == BMK_ZLIB_REUSE || compressor == BMK_ZWRAP_ZLIB_REUSE) ZWRAP_useZSTDcompression(0); |
310 | else ZWRAP_useZSTDcompression(1); |
311 | def.zalloc = Z_NULL; |
312 | def.zfree = Z_NULL; |
313 | def.opaque = Z_NULL; |
314 | ret = deflateInit(&def, cLevel); |
315 | if (ret != Z_OK) EXM_THROW(1, "deflateInit failure"); |
316 | /* if (ZWRAP_isUsingZSTDcompression()) { |
317 | ret = ZWRAP_setPledgedSrcSize(&def, avgSize); |
318 | if (ret != Z_OK) EXM_THROW(1, "ZWRAP_setPledgedSrcSize failure"); |
319 | } */ |
320 | do { |
321 | U32 blockNb; |
322 | for (blockNb=0; blockNb<nbBlocks; blockNb++) { |
323 | if (ZWRAP_isUsingZSTDcompression()) |
324 | ret = ZWRAP_deflateReset_keepDict(&def); /* reuse dictionary to make compression faster */ |
325 | else |
326 | ret = deflateReset(&def); |
327 | if (ret != Z_OK) EXM_THROW(1, "deflateReset failure"); |
328 | if (useSetDict) { |
329 | ret = deflateSetDictionary(&def, (const z_Bytef*)dictBuffer, dictBufferSize); |
330 | if (ret != Z_OK) EXM_THROW(1, "deflateSetDictionary failure"); |
331 | if (ZWRAP_isUsingZSTDcompression()) useSetDict = 0; /* zstd doesn't require deflateSetDictionary after ZWRAP_deflateReset_keepDict */ |
332 | } |
333 | def.next_in = (z_const z_Bytef*) blockTable[blockNb].srcPtr; |
334 | def.avail_in = (uInt)blockTable[blockNb].srcSize; |
335 | def.total_in = 0; |
336 | def.next_out = (z_Bytef*) blockTable[blockNb].cPtr; |
337 | def.avail_out = (uInt)blockTable[blockNb].cRoom; |
338 | def.total_out = 0; |
339 | ret = deflate(&def, Z_FINISH); |
340 | if (ret != Z_STREAM_END) EXM_THROW(1, "deflate failure ret=%d srcSize=%d" , ret, (int)blockTable[blockNb].srcSize); |
341 | blockTable[blockNb].cSize = def.total_out; |
342 | } |
343 | nbLoops++; |
344 | } while (UTIL_clockSpanMicro(clockStart) < clockLoop); |
345 | ret = deflateEnd(&def); |
346 | if (ret != Z_OK) EXM_THROW(1, "deflateEnd failure"); |
347 | } else { |
348 | z_stream def; |
349 | if (compressor == BMK_ZLIB || compressor == BMK_ZWRAP_ZLIB) ZWRAP_useZSTDcompression(0); |
350 | else ZWRAP_useZSTDcompression(1); |
351 | do { |
352 | U32 blockNb; |
353 | for (blockNb=0; blockNb<nbBlocks; blockNb++) { |
354 | int ret; |
355 | def.zalloc = Z_NULL; |
356 | def.zfree = Z_NULL; |
357 | def.opaque = Z_NULL; |
358 | ret = deflateInit(&def, cLevel); |
359 | if (ret != Z_OK) EXM_THROW(1, "deflateInit failure"); |
360 | if (dictBuffer) { |
361 | ret = deflateSetDictionary(&def, (const z_Bytef*)dictBuffer, dictBufferSize); |
362 | if (ret != Z_OK) EXM_THROW(1, "deflateSetDictionary failure"); |
363 | } |
364 | def.next_in = (z_const z_Bytef*) blockTable[blockNb].srcPtr; |
365 | def.avail_in = (uInt)blockTable[blockNb].srcSize; |
366 | def.total_in = 0; |
367 | def.next_out = (z_Bytef*) blockTable[blockNb].cPtr; |
368 | def.avail_out = (uInt)blockTable[blockNb].cRoom; |
369 | def.total_out = 0; |
370 | ret = deflate(&def, Z_FINISH); |
371 | if (ret != Z_STREAM_END) EXM_THROW(1, "deflate failure"); |
372 | ret = deflateEnd(&def); |
373 | if (ret != Z_OK) EXM_THROW(1, "deflateEnd failure"); |
374 | blockTable[blockNb].cSize = def.total_out; |
375 | } |
376 | nbLoops++; |
377 | } while (UTIL_clockSpanMicro(clockStart) < clockLoop); |
378 | } |
379 | { U64 const clockSpan = UTIL_clockSpanMicro(clockStart); |
380 | if (clockSpan < fastestC*nbLoops) fastestC = clockSpan / nbLoops; |
381 | totalCTime += clockSpan; |
382 | cCompleted = totalCTime>maxTime; |
383 | } } |
384 | |
385 | cSize = 0; |
386 | { U32 blockNb; for (blockNb=0; blockNb<nbBlocks; blockNb++) cSize += blockTable[blockNb].cSize; } |
387 | ratio = (double)srcSize / (double)cSize; |
388 | markNb = (markNb+1) % NB_MARKS; |
389 | DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.3f),%6.1f MB/s\r", |
390 | marks[markNb], displayName, (unsigned)srcSize, (unsigned)cSize, ratio, |
391 | (double)srcSize / (double)fastestC ); |
392 | |
393 | (void)fastestD; (void)crcOrig; /* unused when decompression disabled */ |
394 | #if 1 |
395 | /* Decompression */ |
396 | if (!dCompleted) memset(resultBuffer, 0xD6, srcSize); /* warm result buffer */ |
397 | |
398 | UTIL_sleepMilli(1); /* give processor time to other processes */ |
399 | UTIL_waitForNextTick(); |
400 | clockStart = UTIL_getTime(); |
401 | |
402 | if (!dCompleted) { |
403 | U32 nbLoops = 0; |
404 | if (compressor == BMK_ZSTD) { |
405 | ZSTD_DDict* ddict = ZSTD_createDDict(dictBuffer, dictBufferSize); |
406 | if (!ddict) EXM_THROW(2, "ZSTD_createDDict() allocation failure"); |
407 | do { |
408 | unsigned blockNb; |
409 | for (blockNb=0; blockNb<nbBlocks; blockNb++) { |
410 | size_t const regenSize = ZSTD_decompress_usingDDict(dctx, |
411 | blockTable[blockNb].resPtr, blockTable[blockNb].srcSize, |
412 | blockTable[blockNb].cPtr, blockTable[blockNb].cSize, |
413 | ddict); |
414 | if (ZSTD_isError(regenSize)) { |
415 | DISPLAY("ZSTD_decompress_usingDDict() failed on block %u : %s \n", |
416 | blockNb, ZSTD_getErrorName(regenSize)); |
417 | clockLoop = 0; /* force immediate test end */ |
418 | break; |
419 | } |
420 | blockTable[blockNb].resSize = regenSize; |
421 | } |
422 | nbLoops++; |
423 | } while (UTIL_clockSpanMicro(clockStart) < clockLoop); |
424 | ZSTD_freeDDict(ddict); |
425 | } else if (compressor == BMK_ZSTD_STREAM) { |
426 | ZSTD_inBuffer inBuffer; |
427 | ZSTD_outBuffer outBuffer; |
428 | ZSTD_DStream* zbd = ZSTD_createDStream(); |
429 | size_t rSize; |
430 | if (zbd == NULL) EXM_THROW(1, "ZSTD_createDStream() allocation failure"); |
431 | rSize = ZSTD_DCtx_reset(zbd, ZSTD_reset_session_only); |
432 | if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_DCtx_reset() failed : %s", ZSTD_getErrorName(rSize)); |
433 | rSize = ZSTD_DCtx_loadDictionary(zbd, dictBuffer, dictBufferSize); |
434 | if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_DCtx_loadDictionary() failed : %s", ZSTD_getErrorName(rSize)); |
435 | do { |
436 | U32 blockNb; |
437 | for (blockNb=0; blockNb<nbBlocks; blockNb++) { |
438 | rSize = ZSTD_DCtx_reset(zbd, ZSTD_reset_session_only); |
439 | if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_DCtx_reset() failed : %s", ZSTD_getErrorName(rSize)); |
440 | inBuffer.src = blockTable[blockNb].cPtr; |
441 | inBuffer.size = blockTable[blockNb].cSize; |
442 | inBuffer.pos = 0; |
443 | outBuffer.dst = blockTable[blockNb].resPtr; |
444 | outBuffer.size = blockTable[blockNb].srcSize; |
445 | outBuffer.pos = 0; |
446 | rSize = ZSTD_decompressStream(zbd, &outBuffer, &inBuffer); |
447 | if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_decompressStream() failed : %s", ZSTD_getErrorName(rSize)); |
448 | blockTable[blockNb].resSize = outBuffer.pos; |
449 | } |
450 | nbLoops++; |
451 | } while (UTIL_clockSpanMicro(clockStart) < clockLoop); |
452 | ZSTD_freeDStream(zbd); |
453 | } else if (compressor == BMK_ZWRAP_ZLIB_REUSE || compressor == BMK_ZWRAP_ZSTD_REUSE || compressor == BMK_ZLIB_REUSE) { |
454 | z_stream inf; |
455 | int ret; |
456 | if (compressor == BMK_ZLIB_REUSE) ZWRAP_setDecompressionType(ZWRAP_FORCE_ZLIB); |
457 | else ZWRAP_setDecompressionType(ZWRAP_AUTO); |
458 | inf.zalloc = Z_NULL; |
459 | inf.zfree = Z_NULL; |
460 | inf.opaque = Z_NULL; |
461 | ret = inflateInit(&inf); |
462 | if (ret != Z_OK) EXM_THROW(1, "inflateInit failure"); |
463 | do { |
464 | U32 blockNb; |
465 | for (blockNb=0; blockNb<nbBlocks; blockNb++) { |
466 | if (ZWRAP_isUsingZSTDdecompression(&inf)) |
467 | ret = ZWRAP_inflateReset_keepDict(&inf); /* reuse dictionary to make decompression faster; inflate will return Z_NEED_DICT only for the first time */ |
468 | else |
469 | ret = inflateReset(&inf); |
470 | if (ret != Z_OK) EXM_THROW(1, "inflateReset failure"); |
471 | inf.next_in = (z_const z_Bytef*) blockTable[blockNb].cPtr; |
472 | inf.avail_in = (uInt)blockTable[blockNb].cSize; |
473 | inf.total_in = 0; |
474 | inf.next_out = (z_Bytef*) blockTable[blockNb].resPtr; |
475 | inf.avail_out = (uInt)blockTable[blockNb].srcSize; |
476 | inf.total_out = 0; |
477 | ret = inflate(&inf, Z_FINISH); |
478 | if (ret == Z_NEED_DICT) { |
479 | ret = inflateSetDictionary(&inf, (const z_Bytef*)dictBuffer, dictBufferSize); |
480 | if (ret != Z_OK) EXM_THROW(1, "inflateSetDictionary failure"); |
481 | ret = inflate(&inf, Z_FINISH); |
482 | } |
483 | if (ret != Z_STREAM_END) EXM_THROW(1, "inflate failure"); |
484 | blockTable[blockNb].resSize = inf.total_out; |
485 | } |
486 | nbLoops++; |
487 | } while (UTIL_clockSpanMicro(clockStart) < clockLoop); |
488 | ret = inflateEnd(&inf); |
489 | if (ret != Z_OK) EXM_THROW(1, "inflateEnd failure"); |
490 | } else { |
491 | z_stream inf; |
492 | if (compressor == BMK_ZLIB) ZWRAP_setDecompressionType(ZWRAP_FORCE_ZLIB); |
493 | else ZWRAP_setDecompressionType(ZWRAP_AUTO); |
494 | do { |
495 | U32 blockNb; |
496 | for (blockNb=0; blockNb<nbBlocks; blockNb++) { |
497 | int ret; |
498 | inf.zalloc = Z_NULL; |
499 | inf.zfree = Z_NULL; |
500 | inf.opaque = Z_NULL; |
501 | ret = inflateInit(&inf); |
502 | if (ret != Z_OK) EXM_THROW(1, "inflateInit failure"); |
503 | inf.next_in = (z_const z_Bytef*) blockTable[blockNb].cPtr; |
504 | inf.avail_in = (uInt)blockTable[blockNb].cSize; |
505 | inf.total_in = 0; |
506 | inf.next_out = (z_Bytef*) blockTable[blockNb].resPtr; |
507 | inf.avail_out = (uInt)blockTable[blockNb].srcSize; |
508 | inf.total_out = 0; |
509 | ret = inflate(&inf, Z_FINISH); |
510 | if (ret == Z_NEED_DICT) { |
511 | ret = inflateSetDictionary(&inf, (const z_Bytef*) dictBuffer, dictBufferSize); |
512 | if (ret != Z_OK) EXM_THROW(1, "inflateSetDictionary failure"); |
513 | ret = inflate(&inf, Z_FINISH); |
514 | } |
515 | if (ret != Z_STREAM_END) EXM_THROW(1, "inflate failure"); |
516 | ret = inflateEnd(&inf); |
517 | if (ret != Z_OK) EXM_THROW(1, "inflateEnd failure"); |
518 | blockTable[blockNb].resSize = inf.total_out; |
519 | } |
520 | nbLoops++; |
521 | } while (UTIL_clockSpanMicro(clockStart) < clockLoop); |
522 | } |
523 | { U64 const clockSpan = UTIL_clockSpanMicro(clockStart); |
524 | if (clockSpan < fastestD*nbLoops) fastestD = clockSpan / nbLoops; |
525 | totalDTime += clockSpan; |
526 | dCompleted = totalDTime>maxTime; |
527 | } } |
528 | |
529 | markNb = (markNb+1) % NB_MARKS; |
530 | DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.3f),%6.1f MB/s ,%6.1f MB/s\r", |
531 | marks[markNb], displayName, (unsigned)srcSize, (unsigned)cSize, ratio, |
532 | (double)srcSize / (double)fastestC, |
533 | (double)srcSize / (double)fastestD ); |
534 | |
535 | /* CRC Checking */ |
536 | { U64 const crcCheck = XXH64(resultBuffer, srcSize, 0); |
537 | if (crcOrig!=crcCheck) { |
538 | size_t u; |
539 | DISPLAY("!!! WARNING !!! %14s : Invalid Checksum : %x != %x \n", displayName, (unsigned)crcOrig, (unsigned)crcCheck); |
540 | for (u=0; u<srcSize; u++) { |
541 | if (((const BYTE*)srcBuffer)[u] != ((const BYTE*)resultBuffer)[u]) { |
542 | unsigned segNb, bNb, pos; |
543 | size_t bacc = 0; |
544 | DISPLAY("Decoding error at pos %u ", (unsigned)u); |
545 | for (segNb = 0; segNb < nbBlocks; segNb++) { |
546 | if (bacc + blockTable[segNb].srcSize > u) break; |
547 | bacc += blockTable[segNb].srcSize; |
548 | } |
549 | pos = (U32)(u - bacc); |
550 | bNb = pos / (128 KB); |
551 | DISPLAY("(block %u, sub %u, pos %u) \n", segNb, bNb, pos); |
552 | break; |
553 | } |
554 | if (u==srcSize-1) { /* should never happen */ |
555 | DISPLAY("no difference detected\n"); |
556 | } } |
557 | break; |
558 | } } /* CRC Checking */ |
559 | #endif |
560 | } /* for (testNb = 1; testNb <= (g_nbIterations + !g_nbIterations); testNb++) */ |
561 | |
562 | if (g_displayLevel == 1) { |
563 | double cSpeed = (double)srcSize / (double)fastestC; |
564 | double dSpeed = (double)srcSize / (double)fastestD; |
565 | if (g_additionalParam) |
566 | 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); |
567 | else |
568 | DISPLAY("-%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s %s\n", cLevel, (int)cSize, ratio, cSpeed, dSpeed, displayName); |
569 | } |
570 | DISPLAYLEVEL(2, "%2i#\n", cLevel); |
571 | } /* Bench */ |
572 | |
573 | /* clean up */ |
574 | free(blockTable); |
575 | free(compressedBuffer); |
576 | free(resultBuffer); |
577 | ZSTD_freeCCtx(ctx); |
578 | ZSTD_freeDCtx(dctx); |
579 | return 0; |
580 | } |
581 | |
582 | |
583 | static size_t BMK_findMaxMem(U64 requiredMem) |
584 | { |
585 | size_t const step = 64 MB; |
586 | BYTE* testmem = NULL; |
587 | |
588 | requiredMem = (((requiredMem >> 26) + 1) << 26); |
589 | requiredMem += step; |
590 | if (requiredMem > maxMemory) requiredMem = maxMemory; |
591 | |
592 | do { |
593 | testmem = (BYTE*)malloc((size_t)requiredMem); |
594 | requiredMem -= step; |
595 | } while (!testmem && requiredMem); /* do not allocate zero bytes */ |
596 | |
597 | free(testmem); |
598 | return (size_t)(requiredMem+1); /* avoid zero */ |
599 | } |
600 | |
601 | static void BMK_benchCLevel(void* srcBuffer, size_t benchedSize, |
602 | const char* displayName, int cLevel, int cLevelLast, |
603 | const size_t* fileSizes, unsigned nbFiles, |
604 | const void* dictBuffer, size_t dictBufferSize) |
605 | { |
606 | int l; |
607 | |
608 | const char* pch = strrchr(displayName, '\\'); /* Windows */ |
609 | if (!pch) pch = strrchr(displayName, '/'); /* Linux */ |
610 | if (pch) displayName = pch+1; |
611 | |
612 | SET_REALTIME_PRIORITY; |
613 | |
614 | if (g_displayLevel == 1 && !g_additionalParam) |
615 | DISPLAY("bench %s %s: input %u bytes, %u seconds, %u KB blocks\n", |
616 | ZSTD_VERSION_STRING, ZSTD_GIT_COMMIT_STRING, |
617 | (unsigned)benchedSize, g_nbIterations, (unsigned)(g_blockSize>>10)); |
618 | |
619 | if (cLevelLast < cLevel) cLevelLast = cLevel; |
620 | |
621 | DISPLAY("benchmarking zstd %s (using ZSTD_CStream)\n", ZSTD_VERSION_STRING); |
622 | for (l=cLevel; l <= cLevelLast; l++) { |
623 | BMK_benchMem(srcBuffer, benchedSize, |
624 | displayName, l, |
625 | fileSizes, nbFiles, |
626 | dictBuffer, dictBufferSize, BMK_ZSTD_STREAM); |
627 | } |
628 | |
629 | DISPLAY("benchmarking zstd %s (using ZSTD_CCtx)\n", ZSTD_VERSION_STRING); |
630 | for (l=cLevel; l <= cLevelLast; l++) { |
631 | BMK_benchMem(srcBuffer, benchedSize, |
632 | displayName, l, |
633 | fileSizes, nbFiles, |
634 | dictBuffer, dictBufferSize, BMK_ZSTD); |
635 | } |
636 | |
637 | DISPLAY("benchmarking zstd %s (using zlibWrapper)\n", ZSTD_VERSION_STRING); |
638 | for (l=cLevel; l <= cLevelLast; l++) { |
639 | BMK_benchMem(srcBuffer, benchedSize, |
640 | displayName, l, |
641 | fileSizes, nbFiles, |
642 | dictBuffer, dictBufferSize, BMK_ZWRAP_ZSTD_REUSE); |
643 | } |
644 | |
645 | DISPLAY("benchmarking zstd %s (zlibWrapper not reusing a context)\n", ZSTD_VERSION_STRING); |
646 | for (l=cLevel; l <= cLevelLast; l++) { |
647 | BMK_benchMem(srcBuffer, benchedSize, |
648 | displayName, l, |
649 | fileSizes, nbFiles, |
650 | dictBuffer, dictBufferSize, BMK_ZWRAP_ZSTD); |
651 | } |
652 | |
653 | |
654 | if (cLevelLast > Z_BEST_COMPRESSION) cLevelLast = Z_BEST_COMPRESSION; |
655 | |
656 | DISPLAY("\n"); |
657 | DISPLAY("benchmarking zlib %s\n", ZLIB_VERSION); |
658 | for (l=cLevel; l <= cLevelLast; l++) { |
659 | BMK_benchMem(srcBuffer, benchedSize, |
660 | displayName, l, |
661 | fileSizes, nbFiles, |
662 | dictBuffer, dictBufferSize, BMK_ZLIB_REUSE); |
663 | } |
664 | |
665 | DISPLAY("benchmarking zlib %s (zlib not reusing a context)\n", ZLIB_VERSION); |
666 | for (l=cLevel; l <= cLevelLast; l++) { |
667 | BMK_benchMem(srcBuffer, benchedSize, |
668 | displayName, l, |
669 | fileSizes, nbFiles, |
670 | dictBuffer, dictBufferSize, BMK_ZLIB); |
671 | } |
672 | |
673 | DISPLAY("benchmarking zlib %s (using zlibWrapper)\n", ZLIB_VERSION); |
674 | for (l=cLevel; l <= cLevelLast; l++) { |
675 | BMK_benchMem(srcBuffer, benchedSize, |
676 | displayName, l, |
677 | fileSizes, nbFiles, |
678 | dictBuffer, dictBufferSize, BMK_ZWRAP_ZLIB_REUSE); |
679 | } |
680 | |
681 | DISPLAY("benchmarking zlib %s (zlibWrapper not reusing a context)\n", ZLIB_VERSION); |
682 | for (l=cLevel; l <= cLevelLast; l++) { |
683 | BMK_benchMem(srcBuffer, benchedSize, |
684 | displayName, l, |
685 | fileSizes, nbFiles, |
686 | dictBuffer, dictBufferSize, BMK_ZWRAP_ZLIB); |
687 | } |
688 | } |
689 | |
690 | |
691 | /*! BMK_loadFiles() : |
692 | Loads `buffer` with content of files listed within `fileNamesTable`. |
693 | At most, fills `buffer` entirely */ |
694 | static void BMK_loadFiles(void* buffer, size_t bufferSize, |
695 | size_t* fileSizes, |
696 | const char** fileNamesTable, unsigned nbFiles) |
697 | { |
698 | size_t pos = 0, totalSize = 0; |
699 | unsigned n; |
700 | for (n=0; n<nbFiles; n++) { |
701 | FILE* f; |
702 | U64 fileSize = UTIL_getFileSize(fileNamesTable[n]); |
703 | if (UTIL_isDirectory(fileNamesTable[n])) { |
704 | DISPLAYLEVEL(2, "Ignoring %s directory... \n", fileNamesTable[n]); |
705 | fileSizes[n] = 0; |
706 | continue; |
707 | } |
708 | if (fileSize == UTIL_FILESIZE_UNKNOWN) { |
709 | DISPLAYLEVEL(2, "Cannot determine size of %s ... \n", fileNamesTable[n]); |
710 | fileSizes[n] = 0; |
711 | continue; |
712 | } |
713 | f = fopen(fileNamesTable[n], "rb"); |
714 | if (f==NULL) EXM_THROW(10, "impossible to open file %s", fileNamesTable[n]); |
715 | DISPLAYUPDATE(2, "Loading %s... \r", fileNamesTable[n]); |
716 | if (fileSize > bufferSize-pos) fileSize = bufferSize-pos, nbFiles=n; /* buffer too small - stop after this file */ |
717 | { size_t const readSize = fread(((char*)buffer)+pos, 1, (size_t)fileSize, f); |
718 | if (readSize != (size_t)fileSize) EXM_THROW(11, "could not read %s", fileNamesTable[n]); |
719 | pos += readSize; } |
720 | fileSizes[n] = (size_t)fileSize; |
721 | totalSize += (size_t)fileSize; |
722 | fclose(f); |
723 | } |
724 | |
725 | if (totalSize == 0) EXM_THROW(12, "no data to bench"); |
726 | } |
727 | |
728 | static void BMK_benchFileTable(const char** fileNamesTable, unsigned nbFiles, |
729 | const char* dictFileName, int cLevel, int cLevelLast) |
730 | { |
731 | void* srcBuffer; |
732 | size_t benchedSize; |
733 | void* dictBuffer = NULL; |
734 | size_t dictBufferSize = 0; |
735 | size_t* fileSizes = (size_t*)malloc(nbFiles * sizeof(size_t)); |
736 | U64 const totalSizeToLoad = UTIL_getTotalFileSize(fileNamesTable, nbFiles); |
737 | char mfName[20] = {0}; |
738 | |
739 | if (!fileSizes) EXM_THROW(12, "not enough memory for fileSizes"); |
740 | |
741 | /* Load dictionary */ |
742 | if (dictFileName != NULL) { |
743 | U64 const dictFileSize = UTIL_getFileSize(dictFileName); |
744 | if (dictFileSize > 64 MB) |
745 | EXM_THROW(10, "dictionary file %s too large", dictFileName); |
746 | dictBufferSize = (size_t)dictFileSize; |
747 | dictBuffer = malloc(dictBufferSize); |
748 | if (dictBuffer==NULL) |
749 | EXM_THROW(11, "not enough memory for dictionary (%u bytes)", (unsigned)dictBufferSize); |
750 | BMK_loadFiles(dictBuffer, dictBufferSize, fileSizes, &dictFileName, 1); |
751 | } |
752 | |
753 | /* Memory allocation & restrictions */ |
754 | benchedSize = BMK_findMaxMem(totalSizeToLoad * 3) / 3; |
755 | if ((U64)benchedSize > totalSizeToLoad) benchedSize = (size_t)totalSizeToLoad; |
756 | if (benchedSize < totalSizeToLoad) |
757 | DISPLAY("Not enough memory; testing %u MB only...\n", (unsigned)(benchedSize >> 20)); |
758 | srcBuffer = malloc(benchedSize + !benchedSize); |
759 | if (!srcBuffer) EXM_THROW(12, "not enough memory"); |
760 | |
761 | /* Load input buffer */ |
762 | BMK_loadFiles(srcBuffer, benchedSize, fileSizes, fileNamesTable, nbFiles); |
763 | |
764 | /* Bench */ |
765 | snprintf (mfName, sizeof(mfName), " %u files", nbFiles); |
766 | { const char* displayName = (nbFiles > 1) ? mfName : fileNamesTable[0]; |
767 | BMK_benchCLevel(srcBuffer, benchedSize, |
768 | displayName, cLevel, cLevelLast, |
769 | fileSizes, nbFiles, |
770 | dictBuffer, dictBufferSize); |
771 | } |
772 | |
773 | /* clean up */ |
774 | free(srcBuffer); |
775 | free(dictBuffer); |
776 | free(fileSizes); |
777 | } |
778 | |
779 | |
780 | static void BMK_syntheticTest(int cLevel, int cLevelLast, double compressibility) |
781 | { |
782 | char name[20] = {0}; |
783 | size_t benchedSize = 10000000; |
784 | void* const srcBuffer = malloc(benchedSize); |
785 | |
786 | /* Memory allocation */ |
787 | if (!srcBuffer) EXM_THROW(21, "not enough memory"); |
788 | |
789 | /* Fill input buffer */ |
790 | RDG_genBuffer(srcBuffer, benchedSize, compressibility, 0.0, 0); |
791 | |
792 | /* Bench */ |
793 | snprintf (name, sizeof(name), "Synthetic %2u%%", (unsigned)(compressibility*100)); |
794 | BMK_benchCLevel(srcBuffer, benchedSize, name, cLevel, cLevelLast, &benchedSize, 1, NULL, 0); |
795 | |
796 | /* clean up */ |
797 | free(srcBuffer); |
798 | } |
799 | |
800 | |
801 | static int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles, |
802 | const char* dictFileName, int cLevel, int cLevelLast) |
803 | { |
804 | double const compressibility = (double)g_compressibilityDefault / 100; |
805 | |
806 | if (nbFiles == 0) |
807 | BMK_syntheticTest(cLevel, cLevelLast, compressibility); |
808 | else |
809 | BMK_benchFileTable(fileNamesTable, nbFiles, dictFileName, cLevel, cLevelLast); |
810 | return 0; |
811 | } |
812 | |
813 | |
814 | |
815 | |
816 | /*-************************************ |
817 | * Command Line |
818 | **************************************/ |
819 | static int usage(const char* programName) |
820 | { |
821 | DISPLAY(WELCOME_MESSAGE); |
822 | DISPLAY( "Usage :\n"); |
823 | DISPLAY( " %s [args] [FILE(s)] [-o file]\n", programName); |
824 | DISPLAY( "\n"); |
825 | DISPLAY( "FILE : a filename\n"); |
826 | DISPLAY( " with no FILE, or when FILE is - , read standard input\n"); |
827 | DISPLAY( "Arguments :\n"); |
828 | DISPLAY( " -D file: use `file` as Dictionary \n"); |
829 | DISPLAY( " -h/-H : display help/long help and exit\n"); |
830 | DISPLAY( " -V : display Version number and exit\n"); |
831 | DISPLAY( " -v : verbose mode; specify multiple times to increase log level (default:%d)\n", DEFAULT_DISPLAY_LEVEL); |
832 | DISPLAY( " -q : suppress warnings; specify twice to suppress errors too\n"); |
833 | #ifdef UTIL_HAS_CREATEFILELIST |
834 | DISPLAY( " -r : operate recursively on directories\n"); |
835 | #endif |
836 | DISPLAY( "\n"); |
837 | DISPLAY( "Benchmark arguments :\n"); |
838 | DISPLAY( " -b# : benchmark file(s), using # compression level (default : %d) \n", ZSTDCLI_CLEVEL_DEFAULT); |
839 | DISPLAY( " -e# : test all compression levels from -bX to # (default: %d)\n", ZSTDCLI_CLEVEL_DEFAULT); |
840 | DISPLAY( " -i# : minimum evaluation time in seconds (default : 3s)\n"); |
841 | DISPLAY( " -B# : cut file into independent chunks of size # (default: no chunking)\n"); |
842 | return 0; |
843 | } |
844 | |
845 | static int badusage(const char* programName) |
846 | { |
847 | DISPLAYLEVEL(1, "Incorrect parameters\n"); |
848 | if (g_displayLevel >= 1) usage(programName); |
849 | return 1; |
850 | } |
851 | |
852 | static void waitEnter(void) |
853 | { |
854 | int unused; |
855 | DISPLAY("Press enter to continue...\n"); |
856 | unused = getchar(); |
857 | (void)unused; |
858 | } |
859 | |
860 | /*! readU32FromChar() : |
861 | @return : unsigned integer value reach from input in `char` format |
862 | Will also modify `*stringPtr`, advancing it to position where it stopped reading. |
863 | Note : this function can overflow if digit string > MAX_UINT */ |
864 | static unsigned readU32FromChar(const char** stringPtr) |
865 | { |
866 | unsigned result = 0; |
867 | while ((**stringPtr >='0') && (**stringPtr <='9')) |
868 | result *= 10, result += (unsigned)(**stringPtr - '0'), (*stringPtr)++ ; |
869 | return result; |
870 | } |
871 | |
872 | |
873 | #define CLEAN_RETURN(i) { operationResult = (i); goto _end; } |
874 | |
875 | int main(int argCount, char** argv) |
876 | { |
877 | int argNb, |
878 | main_pause=0, |
879 | nextEntryIsDictionary=0, |
880 | operationResult=0, |
881 | nextArgumentIsFile=0; |
882 | int cLevel = ZSTDCLI_CLEVEL_DEFAULT; |
883 | int cLevelLast = 1; |
884 | unsigned recursive = 0; |
885 | FileNamesTable* filenames = UTIL_allocateFileNamesTable((size_t)argCount); |
886 | const char* programName = argv[0]; |
887 | const char* dictFileName = NULL; |
888 | char* dynNameSpace = NULL; |
889 | |
890 | /* init */ |
891 | if (filenames==NULL) { DISPLAY("zstd: %s \n", strerror(errno)); exit(1); } |
892 | displayOut = stderr; |
893 | |
894 | /* Pick out program name from path. Don't rely on stdlib because of conflicting behavior */ |
895 | { size_t pos; |
896 | for (pos = strlen(programName); pos > 0; pos--) { if (programName[pos] == '/') { pos++; break; } } |
897 | programName += pos; |
898 | } |
899 | |
900 | /* command switches */ |
901 | for(argNb=1; argNb<argCount; argNb++) { |
902 | const char* argument = argv[argNb]; |
903 | if(!argument) continue; /* Protection if argument empty */ |
904 | |
905 | if (nextArgumentIsFile==0) { |
906 | |
907 | /* long commands (--long-word) */ |
908 | if (!strcmp(argument, "--")) { nextArgumentIsFile=1; continue; } |
909 | if (!strcmp(argument, "--version")) { displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0); } |
910 | if (!strcmp(argument, "--help")) { displayOut=stdout; CLEAN_RETURN(usage(programName)); } |
911 | if (!strcmp(argument, "--verbose")) { g_displayLevel++; continue; } |
912 | if (!strcmp(argument, "--quiet")) { g_displayLevel--; continue; } |
913 | |
914 | /* Decode commands (note : aggregated commands are allowed) */ |
915 | if (argument[0]=='-') { |
916 | argument++; |
917 | |
918 | while (argument[0]!=0) { |
919 | switch(argument[0]) |
920 | { |
921 | /* Display help */ |
922 | case 'V': displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0); /* Version Only */ |
923 | case 'H': |
924 | case 'h': displayOut=stdout; CLEAN_RETURN(usage(programName)); |
925 | |
926 | /* Use file content as dictionary */ |
927 | case 'D': nextEntryIsDictionary = 1; argument++; break; |
928 | |
929 | /* Verbose mode */ |
930 | case 'v': g_displayLevel++; argument++; break; |
931 | |
932 | /* Quiet mode */ |
933 | case 'q': g_displayLevel--; argument++; break; |
934 | |
935 | #ifdef UTIL_HAS_CREATEFILELIST |
936 | /* recursive */ |
937 | case 'r': recursive=1; argument++; break; |
938 | #endif |
939 | |
940 | /* Benchmark */ |
941 | case 'b': |
942 | /* first compression Level */ |
943 | argument++; |
944 | cLevel = (int)readU32FromChar(&argument); |
945 | break; |
946 | |
947 | /* range bench (benchmark only) */ |
948 | case 'e': |
949 | /* last compression Level */ |
950 | argument++; |
951 | cLevelLast = (int)readU32FromChar(&argument); |
952 | break; |
953 | |
954 | /* Modify Nb Iterations (benchmark only) */ |
955 | case 'i': |
956 | argument++; |
957 | { U32 const iters = readU32FromChar(&argument); |
958 | BMK_setNotificationLevel(g_displayLevel); |
959 | BMK_SetNbIterations(iters); |
960 | } |
961 | break; |
962 | |
963 | /* cut input into blocks (benchmark only) */ |
964 | case 'B': |
965 | argument++; |
966 | { size_t bSize = readU32FromChar(&argument); |
967 | if (toupper(*argument)=='K') bSize<<=10, argument++; /* allows using KB notation */ |
968 | if (toupper(*argument)=='M') bSize<<=20, argument++; |
969 | if (toupper(*argument)=='B') argument++; |
970 | BMK_setNotificationLevel(g_displayLevel); |
971 | BMK_SetBlockSize(bSize); |
972 | } |
973 | break; |
974 | |
975 | /* Pause at the end (-p) or set an additional param (-p#) (hidden option) */ |
976 | case 'p': argument++; |
977 | if ((*argument>='0') && (*argument<='9')) { |
978 | BMK_setAdditionalParam((int)readU32FromChar(&argument)); |
979 | } else |
980 | main_pause=1; |
981 | break; |
982 | /* unknown command */ |
983 | default : CLEAN_RETURN(badusage(programName)); |
984 | } |
985 | } |
986 | continue; |
987 | } /* if (argument[0]=='-') */ |
988 | |
989 | } /* if (nextArgumentIsAFile==0) */ |
990 | |
991 | if (nextEntryIsDictionary) { |
992 | nextEntryIsDictionary = 0; |
993 | dictFileName = argument; |
994 | continue; |
995 | } |
996 | |
997 | /* add filename to list */ |
998 | UTIL_refFilename(filenames, argument); |
999 | } |
1000 | |
1001 | /* Welcome message (if verbose) */ |
1002 | DISPLAYLEVEL(3, WELCOME_MESSAGE); |
1003 | |
1004 | #ifdef UTIL_HAS_CREATEFILELIST |
1005 | if (recursive) { |
1006 | UTIL_expandFNT(&filenames, 1); |
1007 | } |
1008 | #endif |
1009 | |
1010 | BMK_setNotificationLevel(g_displayLevel); |
1011 | BMK_benchFiles(filenames->fileNames, (unsigned)filenames->tableSize, dictFileName, cLevel, cLevelLast); |
1012 | |
1013 | _end: |
1014 | if (main_pause) waitEnter(); |
1015 | free(dynNameSpace); |
1016 | UTIL_freeFileNamesTable(filenames); |
1017 | return operationResult; |
1018 | } |