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-rw-r--r--volk/lib/qa_32f_convert_32s_aligned16.cc70
1 files changed, 70 insertions, 0 deletions
diff --git a/volk/lib/qa_32f_convert_32s_aligned16.cc b/volk/lib/qa_32f_convert_32s_aligned16.cc
new file mode 100644
index 000000000..ff24c7b0d
--- /dev/null
+++ b/volk/lib/qa_32f_convert_32s_aligned16.cc
@@ -0,0 +1,70 @@
+#include <volk/volk.h>
+#include <qa_32f_convert_32s_aligned16.h>
+#include <volk/volk_32f_convert_32s_aligned16.h>
+#include <cstdlib>
+
+//test for sse2
+
+#ifndef LV_HAVE_SSE2
+
+void qa_32f_convert_32s_aligned16::t1() {
+ printf("sse2 not available... no test performed\n");
+}
+
+#else
+
+void qa_32f_convert_32s_aligned16::t1() {
+
+ volk_environment_init();
+ clock_t start, end;
+ double total;
+ const int vlen = 3201;
+ const int ITERS = 100000;
+ float input0[vlen] __attribute__ ((aligned (16)));
+
+ int32_t output_generic[vlen] __attribute__ ((aligned (16)));
+ int32_t output_sse[vlen] __attribute__ ((aligned (16)));
+ int32_t output_sse2[vlen] __attribute__ ((aligned (16)));
+
+ for(int i = 0; i < vlen; ++i) {
+ input0[i] = ((float) (rand() - (RAND_MAX/2))) / static_cast<float>((RAND_MAX/2));
+ }
+ printf("32f_convert_32s_aligned\n");
+
+ start = clock();
+ for(int count = 0; count < ITERS; ++count) {
+ volk_32f_convert_32s_aligned16_manual(output_generic, input0, 32768.0, vlen, "generic");
+ }
+ end = clock();
+ total = (double)(end-start)/(double)CLOCKS_PER_SEC;
+ printf("generic_time: %f\n", total);
+
+ start = clock();
+ for(int count = 0; count < ITERS; ++count) {
+ volk_32f_convert_32s_aligned16_manual(output_sse, input0, 32768.0, vlen, "sse");
+ }
+ end = clock();
+ total = (double)(end-start)/(double)CLOCKS_PER_SEC;
+ printf("sse_time: %f\n", total);
+
+ start = clock();
+ for(int count = 0; count < ITERS; ++count) {
+ volk_32f_convert_32s_aligned16_manual(output_sse2, input0, 32768.0, vlen, "sse2");
+ }
+ end = clock();
+ total = (double)(end-start)/(double)CLOCKS_PER_SEC;
+ printf("sse2_time: %f\n", total);
+
+ for(int i = 0; i < 1; ++i) {
+ //printf("inputs: %d, %d\n", input0[i*2], input0[i*2 + 1]);
+ //printf("generic... %d, ssse3... %d\n", output0[i], output1[i]);
+ }
+
+ for(int i = 0; i < vlen; ++i) {
+ //printf("%d...%d\n", output0[i], output01[i]);
+ CPPUNIT_ASSERT(abs(output_generic[i] - output_sse[i]) <= 1);
+ CPPUNIT_ASSERT(abs(output_generic[i] - output_sse2[i]) <= 1);
+ }
+}
+
+#endif