Merge pull request #4146 from facebook/dictBench_Doc

update documentation: specify that Dictionary can be used for benchmark

programs/zstd.1.md

@@ -674,6 +674,10 @@ Note that the results are highly dependent on the content being compressed.
  minimum evaluation time, in seconds (default: 3s), benchmark mode only
 * `-B#`, `--block-size=#`:
  cut file(s) into independent chunks of size # (default: no chunking)
+* `-S`:
+ output one benchmark result per input file (default: consolidated result)
+* `-D dictionary`
+ benchmark using dictionary
 * `--priority=rt`:
  set process priority to real-time (Windows)
 

programs/zstdcli.c

@@ -32,7 +32,6 @@
 #include <stdlib.h> /* getenv */
 #include <string.h> /* strcmp, strlen */
 #include <stdio.h> /* fprintf(), stdin, stdout, stderr */
-#include <errno.h> /* errno */
 #include <assert.h> /* assert */
 
 #include "fileio.h" /* stdinmark, stdoutmark, ZSTD_EXTENSION */
@@ -311,6 +310,7 @@ static void usageAdvanced(const char* programName)
  DISPLAYOUT(" -i# Set the minimum evaluation to time # seconds. [Default: 3]\n");
  DISPLAYOUT(" -B# Cut file into independent chunks of size #. [Default: No chunking]\n");
  DISPLAYOUT(" -S Output one benchmark result per input file. [Default: Consolidated result]\n");
+ DISPLAYOUT(" -D dictionary Benchmark using dictionary \n");
  DISPLAYOUT(" --priority=rt Set process priority to real-time.\n");
 #endif