Merge pull request #3726 from facebook/fullbench_dctx

added ZSTD_decompressDCtx() benchmark option to fullbench

tests/fullbench.c

@@ -138,7 +138,14 @@ static size_t local_ZSTD_decompress(const void* src, size_t srcSize,
  return ZSTD_decompress(dst, dstSize, buff2, g_cSize);
 }
 
-static ZSTD_DCtx* g_zdc = NULL;
+static ZSTD_DCtx* g_zdc = NULL; /* will be initialized within benchMem */
+static size_t local_ZSTD_decompressDCtx(const void* src, size_t srcSize,
+ void* dst, size_t dstSize,
+ void* buff2)
+{
+ (void)src; (void)srcSize;
+ return ZSTD_decompressDCtx(g_zdc, dst, dstSize, buff2, g_cSize);
+}
 
 #ifndef ZSTD_DLL_IMPORT
 
@@ -452,6 +459,9 @@ static int benchMem(unsigned benchNb,
  case 3:
  benchFunction = local_ZSTD_compress_freshCCtx; benchName = "compress_freshCCtx";
  break;
+ case 4:
+ benchFunction = local_ZSTD_decompressDCtx; benchName = "decompressDCtx";
+ break;
 #ifndef ZSTD_DLL_IMPORT
  case 11:
  benchFunction = local_ZSTD_compressContinue; benchName = "compressContinue";
@@ -551,6 +561,9 @@ static int benchMem(unsigned benchNb,
  case 3:
  payload = &cparams;
  break;
+ case 4:
+ g_cSize = ZSTD_compress(dstBuff2, dstBuffSize, src, srcSize, cLevel);
+ break;
 #ifndef ZSTD_DLL_IMPORT
  case 11:
  payload = &cparams;