diff --git a/_lzbench/compressors.cpp b/_lzbench/compressors.cpp
index 741b49482156e961d58f8511c2d71b5eb67bab57..527457a5fe2d96ec3d1f3db191cea7ff9681a060 100644
--- a/_lzbench/compressors.cpp
+++ b/_lzbench/compressors.cpp
@@ -1710,8 +1710,8 @@ int64_t lzbench_zstd_compress(char *inbuf, size_t insize, char *outbuf, size_t o
         zstd_params->zparams.cParams.windowLog = windowLog;
         zstd_params->zparams.cParams.chainLog = windowLog + ((zstd_params->zparams.cParams.strategy == ZSTD_btlazy2) || (zstd_params->zparams.cParams.strategy == ZSTD_btopt) || (zstd_params->zparams.cParams.strategy == ZSTD_btultra));
     }
-    res = ZSTD_compress_advanced(zstd_params->cctx, outbuf, outsize, inbuf, insize, NULL, 0, zstd_params->zparams);
-//    res = ZSTD_compressCCtx(zstd_params->cctx, outbuf, outsize, inbuf, insize, level);
+    // res = ZSTD_compress_advanced(zstd_params->cctx, outbuf, outsize, inbuf, insize, NULL, 0, zstd_params->zparams);
+   res = ZSTD_compressCCtx(zstd_params->cctx, outbuf, outsize, inbuf, insize, level);
 #else
     if (!zstd_params->cdict) return 0;
     res = ZSTD_compress_usingCDict(zstd_params->cctx, outbuf, outsize, inbuf, insize, zstd_params->cdict);
@@ -1858,6 +1858,17 @@ int64_t lzbench_zstd_stream_decompress(char *inbuf, size_t insize, char *outbuf,
     ZSTD_freeDStream(zstdDStream);
     return dSize;
 }
+
+int64_t lzbench_zstd_simple_compress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t level, size_t, char*)
+{
+    return ZSTD_compress(outbuf, outsize, inbuf, insize, level);
+}
+
+int64_t lzbench_zstd_simple_decompress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t, size_t, char*)
+{
+    return  ZSTD_decompress(outbuf, outsize, inbuf, insize);
+}
+
 #endif
 
 
diff --git a/_lzbench/compressors.h b/_lzbench/compressors.h
index a4fa6bc5baed4893323725a1e80edacad4c5d6a3..476f4e4e041bc6ebce9b757b917f904275178ca5 100644
--- a/_lzbench/compressors.h
+++ b/_lzbench/compressors.h
@@ -480,6 +480,8 @@ int64_t lzbench_return_0(char *inbuf, size_t insize, char *outbuf, size_t outsiz
 	int64_t lzbench_zstd_LDM_compress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t, size_t, char*);
 	int64_t lzbench_zstd_stream_compress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t level, size_t, char*);
     int64_t lzbench_zstd_stream_decompress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t, size_t, char*);
+	int64_t lzbench_zstd_simple_compress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t level, size_t, char*);
+    int64_t lzbench_zstd_simple_decompress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t, size_t, char*);
 #else
 	#define lzbench_zstd_init NULL
 	#define lzbench_zstd_deinit NULL
diff --git a/_lzbench/lzbench.h b/_lzbench/lzbench.h
index a1a4777325405b822bc4abaacee064d74b6773e0..80320e5e4b1eb3507417767a3c1092e40f2094fd 100644
--- a/_lzbench/lzbench.h
+++ b/_lzbench/lzbench.h
@@ -136,7 +136,7 @@ typedef struct
 
 
 
-#define LZBENCH_COMPRESSOR_COUNT 74
+#define LZBENCH_COMPRESSOR_COUNT 75
 
 static const compressor_desc_t comp_desc[LZBENCH_COMPRESSOR_COUNT] =
 {
@@ -155,7 +155,7 @@ static const compressor_desc_t comp_desc[LZBENCH_COMPRESSOR_COUNT] =
     { "gipfeli",    "2016-07-13",  0,   0,    0,       0, lzbench_gipfeli_compress,    lzbench_gipfeli_decompress,    NULL,                    NULL },
     { "glza",       "0.8",         0,   0,    0,       0, lzbench_glza_compress,       lzbench_glza_decompress,       NULL,                    NULL },
     { "libdeflate", "1.9",         1,  12,    0,       0, lzbench_libdeflate_compress, lzbench_libdeflate_decompress, NULL,                    NULL },
-    { "lz4",        "1.9.4",       0,   0,    0,       0, lzbench_lz4_compress,        lzbench_lz4_decompress,        NULL,                    NULL },
+     { "lz4",        "1.9.4",       0,   0,    0,       0, lzbench_lz4_compress,        lzbench_lz4_decompress,        NULL,                    NULL },
     { "lz4fast",    "1.9.4",       1,  99,    0,       0, lzbench_lz4fast_compress,    lzbench_lz4_decompress,        NULL,                    NULL },
     { "lz4hc",      "1.9.4",       1,  12,    0,       0, lzbench_lz4hc_compress,      lzbench_lz4_decompress,        NULL,                    NULL },
     { "lz4frame",   "1.9.4",       1,   1,    0,       0, lzbench_lz4frame_compress,    lzbench_lz4frame_decompress,  NULL,                    NULL },
@@ -211,6 +211,7 @@ static const compressor_desc_t comp_desc[LZBENCH_COMPRESSOR_COUNT] =
     { "zstd22LDM",  "1.5.5",       1,  22,   22,       0, lzbench_zstd_LDM_compress,   lzbench_zstd_decompress,       lzbench_zstd_LDM_init,   lzbench_zstd_deinit },
     { "zstd24LDM",  "1.5.5",       1,  22,   24,       0, lzbench_zstd_LDM_compress,   lzbench_zstd_decompress,       lzbench_zstd_LDM_init,   lzbench_zstd_deinit },
     { "zstd_stream", "1.5.2",      1,  4,    0,        0, lzbench_zstd_stream_compress, lzbench_zstd_stream_decompress, NULL,                  NULL },
+    { "zstd_simple", "1.5.2",      1,  4,    0,        0, lzbench_zstd_simple_compress, lzbench_zstd_simple_decompress, NULL,                  NULL },
     { "nakamichi",  "okamigan",    0,   0,    0,       0, lzbench_nakamichi_compress,  lzbench_nakamichi_decompress,  NULL,                    NULL },
     { "cudaMemcpy", "",            0,   0,    0,       0, lzbench_cuda_return_0,       lzbench_cuda_memcpy,           lzbench_cuda_init,       lzbench_cuda_deinit },
     { "nvcomp_lz4", "1.2.2",       0,   5,    0,       0, lzbench_nvcomp_compress,     lzbench_nvcomp_decompress,     lzbench_nvcomp_init,     lzbench_nvcomp_deinit },