change default zlib compression level from 9 to 1 for speed

Cibiv · Apr 18, 2019 · 1af405c · 1af405c
1 parent 3c0a052
commit 1af405c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/utils/gzstream.cpp b/utils/gzstream.cpp
@@ -60,7 +60,7 @@ gzstreambuf* gzstreambuf::open( const char* name, int open_mode) {
     if (mode & GZ_NO_COMPRESSION)
         *fmodeptr++ = '0'; // no compression
     else
-        *fmodeptr++ = '9'; // best compression ratio
+        *fmodeptr++ = '1'; // fast compression ratio
     *fmodeptr = '\0';
     file = gzopen( name, fmode);
     if (file == 0)