Add zlib benchmark

1 files changed, 71 insertions, 0 deletions

diff --git a/modules/benchmark/zlib.c b/modules/benchmark/zlib.c
new file mode 100644
index 00000000..eeec9d0e
--- /dev/null
+++ b/modules/benchmark/zlib.c
@@ -0,0 +1,71 @@
+/*
+ *    HardInfo - Displays System Information
+ *    Copyright (C) 2017 Leandro A. F. Pereira <leandro@hardinfo.org>
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, version 2.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <glib.h>
+#include <stdlib.h>
+#include <zlib.h>
+
+#include "benchmark.h"
+
+static gpointer zlib_for(unsigned int start, unsigned int end, void *data, gint thread_number)
+{
+    char *compressed;
+    uLong bound = compressBound(bound);
+    unsigned int i;
+
+    compressed = malloc(bound);
+    if (!compressed)
+        return NULL;
+    
+    for (i = start; i <= end; i++) { 
+        char uncompressed[65536];
+        uLong compressedBound = bound;
+        uLong destBound = sizeof(uncompressed);
+
+        compress(compressed, &compressedBound, data, 65536);
+        uncompress(uncompressed, &destBound, compressed, compressedBound);
+    }
+
+    free(compressed);
+    
+    return NULL;
+}
+
+void
+benchmark_zlib(void)
+{
+    gdouble elapsed = 0;
+    gchar *tmpsrc, *bdata_path;
+    
+    bdata_path = g_build_filename(params.path_data, "benchmark.data", NULL);
+    if (!g_file_get_contents(bdata_path, &tmpsrc, NULL, NULL)) {
+        g_free(bdata_path);
+        return;
+    }     
+    
+    shell_view_set_enabled(FALSE);
+    shell_status_update("Running Zlib benchmark...");
+        
+    elapsed = benchmark_parallel_for(0, 50000, zlib_for, tmpsrc);
+    
+    g_free(bdata_path);
+    g_free(tmpsrc);
+
+    gdouble marks = (50000. * 65536.) / (elapsed * 840205128.);
+    bench_results[BENCHMARK_ZLIB] = marks;
+}