mirror of https://github.com/gnss-sdr/gnss-sdr
79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
#include <volk_gnsssdr/volk_gnsssdr.h>
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#include <qa_16s_permute_and_scalar_add_aligned16.h>
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#include <volk_gnsssdr/volk_gnsssdr_16s_permute_and_scalar_add_aligned16.h>
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#include <cstdlib>
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#include <ctime>
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//test for sse2
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#ifndef LV_HAVE_SSE2
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void qa_16s_permute_and_scalar_add_aligned16::t1() {
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printf("sse2 not available... no test performed\n");
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}
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#else
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void qa_16s_permute_and_scalar_add_aligned16::t1() {
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const int vlen = 64;
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unsigned int num_bytes = vlen << 1;
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volk_gnsssdr_environment_init();
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clock_t start, end;
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double total;
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__VOLK_ATTR_ALIGNED(16) short target[vlen];
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__VOLK_ATTR_ALIGNED(16) short target2[vlen];
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__VOLK_ATTR_ALIGNED(16) short src0[vlen];
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__VOLK_ATTR_ALIGNED(16) short permute_indexes[vlen];
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__VOLK_ATTR_ALIGNED(16) short cntl0[vlen];
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__VOLK_ATTR_ALIGNED(16) short cntl1[vlen];
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__VOLK_ATTR_ALIGNED(16) short cntl2[vlen];
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__VOLK_ATTR_ALIGNED(16) short cntl3[vlen];
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__VOLK_ATTR_ALIGNED(16) short scalars[4] = {1, 2, 3, 4};
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for(int i = 0; i < vlen; ++i) {
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src0[i] = i;
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permute_indexes[i] = (3 * i)%vlen;
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cntl0[i] = 0xff;
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cntl1[i] = 0xff * (i%2);
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cntl2[i] = 0xff * ((i>>1)%2);
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cntl3[i] = 0xff * ((i%4) == 3);
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}
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printf("16s_permute_and_scalar_add_aligned\n");
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start = clock();
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for(int i = 0; i < 100000; ++i) {
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volk_gnsssdr_16s_permute_and_scalar_add_aligned16_manual(target, src0, permute_indexes, cntl0, cntl1, cntl2, cntl3, scalars, num_bytes, "generic");
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}
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end = clock();
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total = (double)(end-start)/(double)CLOCKS_PER_SEC;
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printf("generic_time: %f\n", total);
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start = clock();
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for(int i = 0; i < 100000; ++i) {
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volk_gnsssdr_16s_permute_and_scalar_add_aligned16_manual(target2, src0, permute_indexes, cntl0, cntl1, cntl2, cntl3, scalars, num_bytes, "sse2");
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}
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end = clock();
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total = (double)(end-start)/(double)CLOCKS_PER_SEC;
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printf("sse2_time: %f\n", total);
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for(int i = 0; i < vlen; ++i) {
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//printf("generic... %d, sse2... %d\n", target[i], target2[i]);
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}
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for(int i = 0; i < vlen; ++i) {
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CPPUNIT_ASSERT(target[i] == target2[i]);
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}
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}
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#endif
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