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authorLeandro A. F. Pereira <leandro@hardinfo.org>2010-05-03 09:27:26 -0300
committerLeandro A. F. Pereira <leandro@hardinfo.org>2010-05-03 21:08:06 -0300
commit9273c075a2f993c5154614b70233d8f74515c851 (patch)
treeeb72a8c58e6bc8f4ca3b739d28fbecc269c0052d /arch/common/fft.h
parent9a50155ec3e27aa6cedf3f118196f1947c769a29 (diff)
Move files from hardinfo2 to root.
Diffstat (limited to 'arch/common/fft.h')
-rw-r--r--arch/common/fft.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/common/fft.h b/arch/common/fft.h
new file mode 100644
index 00000000..f1a0ced8
--- /dev/null
+++ b/arch/common/fft.h
@@ -0,0 +1,65 @@
+/*
+ * HardInfo - Displays System Information
+ * Copyright (C) 2003-2007 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 <fftbench.h>
+
+static gpointer fft_for(unsigned int start, unsigned int end, void *data, gint thread_number)
+{
+ unsigned int i;
+ FFTBench **benches = (FFTBench **)data;
+ FFTBench *fftbench = (FFTBench *)(benches[thread_number]);
+
+ for (i = start; i <= end; i++) {
+ fft_bench_run(fftbench);
+ }
+
+ return NULL;
+}
+
+static void
+benchmark_fft(void)
+{
+ gdouble elapsed = 0;
+ int n_cores, i;
+ gchar *temp;
+ FFTBench **benches;
+
+ shell_view_set_enabled(FALSE);
+ shell_status_update("Running FFT benchmark...");
+
+ /* Pre-allocate all benchmarks */
+ temp = module_call_method("devices::getProcessorCount");
+ n_cores = temp ? atoi(temp) : 1;
+ g_free(temp);
+
+ benches = g_new0(FFTBench *, n_cores);
+ for (i = 0; i < n_cores; i++) {
+ benches[i] = fft_bench_new();
+ }
+
+ /* Run the benchmark */
+ elapsed = benchmark_parallel_for(0, 4, fft_for, benches);
+
+ /* Free up the memory */
+ for (i = 0; i < n_cores; i++) {
+ fft_bench_free(benches[i]);
+ }
+ g_free(benches);
+
+ bench_results[BENCHMARK_FFT] = elapsed;
+}