2 files changed, 88 insertions, 0 deletions

diff --git a/modules/benchmark.c b/modules/benchmark.c
index 94997df8..de9e67c3 100644
--- a/modules/benchmark.c
+++ b/modules/benchmark.c
@@ -36,6 +36,7 @@ void scan_bfsh(gboolean reload);
 void scan_cryptohash(gboolean reload);
 void scan_fib(gboolean reload);
 void scan_nqueens(gboolean reload);
+void scan_zlib(gboolean reload);
 void scan_gui(gboolean reload);
 
 gchar *callback_fft();
@@ -44,6 +45,7 @@ gchar *callback_bfsh();
 gchar *callback_fib();
 gchar *callback_cryptohash();
 gchar *callback_nqueens();
+gchar *callback_zlib();
 gchar *callback_gui();
 
 static ModuleEntry entries[] = {
@@ -51,6 +53,7 @@ static ModuleEntry entries[] = {
     {N_("CPU CryptoHash"), "cryptohash.png", callback_cryptohash, scan_cryptohash, MODULE_FLAG_NONE},
     {N_("CPU Fibonacci"), "nautilus.png", callback_fib, scan_fib, MODULE_FLAG_NONE},
     {N_("CPU N-Queens"), "nqueens.png", callback_nqueens, scan_nqueens, MODULE_FLAG_NONE},
+    {N_("CPU Zlib"), "module.png", callback_zlib, scan_zlib, MODULE_FLAG_NONE},
     {N_("FPU FFT"), "fft.png", callback_fft, scan_fft, MODULE_FLAG_NONE},
     {N_("FPU Raytracing"), "raytrace.png", callback_raytr, scan_raytr, MODULE_FLAG_NONE},
     {N_("GPU Drawing"), "module.png", callback_gui, scan_gui, MODULE_FLAG_NO_REMOTE},
@@ -306,6 +309,12 @@ gchar *callback_fib()
 				     "CPU Fibonacci");
 }
 
+gchar *callback_zlib()
+{
+    return benchmark_include_results(bench_results[BENCHMARK_ZLIB],
+				     "CPU Zlib");
+}
+
 typedef struct _BenchmarkDialog BenchmarkDialog;
 struct _BenchmarkDialog {
     GtkWidget *dialog;
@@ -504,12 +513,20 @@ void scan_fib(gboolean reload)
     SCAN_END();
 }
 
+void scan_zlib(gboolean reload)
+{
+    SCAN_START();
+    do_benchmark(benchmark_zlib, BENCHMARK_ZLIB);
+    SCAN_END();
+}
+
 const gchar *hi_note_func(gint entry)
 {
     switch (entry) {
     case BENCHMARK_CRYPTOHASH:
 	return _("Results in MiB/second. Higher is better.");
 
+    case BENCHMARK_ZLIB:
     case BENCHMARK_GUI:
         return _("Results in HIMarks. Higher is better.");
 
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;
+}