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#include "benchmark_helpers.hpp"
#ifdef __SSE__
#include <xmmintrin.h>
#endif
#include "../simd_binary_arithmetic.hpp"
using namespace nova;
using namespace std;
aligned_array<float, 64> out, in;
#ifdef __SSE__
void __noinline__ bench_1(float * out, float * in, float f, unsigned int n)
{
n /= 4;
__m128 scalar = _mm_set_ps1(f);
do
{
__m128 arg = _mm_load_ps(in);
__m128 result = _mm_add_ps(arg, scalar);
_mm_store_ps(out, result);
in += 4;
out += 4;
}
while (--n);
}
void __noinline__ bench_2(float * out, float * in, float f, unsigned int n)
{
n /= 8;
__m128 scalar = _mm_set_ps1(f);
do
{
__m128 arg = _mm_load_ps(in);
__m128 result = _mm_add_ps(arg, scalar);
_mm_store_ps(out, result);
arg = _mm_load_ps(in+4);
result = _mm_add_ps(arg, scalar);
_mm_store_ps(out+4, result);
in += 8;
out += 8;
}
while (--n);
}
void __noinline__ bench_3(float * __restrict__ out, float * __restrict__ in, float f, unsigned int n)
{
n /= 8;
__m128 scalar = _mm_set_ps1(f);
do
{
__m128 arg = _mm_load_ps(in);
__m128 result = _mm_add_ps(arg, scalar);
_mm_store_ps(out, result);
arg = _mm_load_ps(in+4);
result = _mm_add_ps(arg, scalar);
_mm_store_ps(out+4, result);
in += 8;
out += 8;
}
while (--n);
}
void __noinline__ bench_4(float * out, float * in, float f, unsigned int n)
{
n /= 8;
__m128 scalar = _mm_set_ps1(f);
do
{
__m128 arg = _mm_load_ps(in);
__m128 arg2 = _mm_load_ps(in+4);
__m128 result = _mm_add_ps(arg, scalar);
__m128 result2 = _mm_add_ps(arg2, scalar);
_mm_store_ps(out, result);
_mm_store_ps(out+4, result2);
in += 8;
out += 8;
}
while (--n);
}
void __noinline__ bench_5(float * out, float * in, float f, unsigned int n)
{
n /= 16;
__m128 scalar = _mm_set_ps1(f);
do
{
__m128 arg = _mm_load_ps(in);
__m128 arg2 = _mm_load_ps(in+4);
__m128 arg3 = _mm_load_ps(in+8);
__m128 arg4 = _mm_load_ps(in+12);
__m128 result = _mm_add_ps(arg, scalar);
__m128 result2 = _mm_add_ps(arg2, scalar);
__m128 result3 = _mm_add_ps(arg3, scalar);
__m128 result4 = _mm_add_ps(arg4, scalar);
_mm_store_ps(out, result);
_mm_store_ps(out+4, result2);
_mm_store_ps(out+8, result3);
_mm_store_ps(out+12, result4);
in += 16;
out += 16;
}
while (--n);
}
#endif
/*void __noinline__ bench_6(float * out, float * in, float f, unsigned int n)
{
n /= 8;
do
{
nova::plus_vec_simd<8>(out, in, f);
in += 8;
out += 8;
}
while (--n);
}
*/
void __noinline__ bench_7(float * out, float * in, float f, unsigned int n)
{
n /= 16;
do
{
nova::plus_vec_simd<16>(out, in, f);
in += 16;
out += 16;
}
while (--n);
}
void __noinline__ bench_8(float * out, float * in, float f, unsigned int n)
{
n /= 32;
do
{
nova::plus_vec_simd<32>(out, in, f);
in += 32;
out += 32;
}
while (--n);
}
int main(void)
{
out.assign(0.f);
in.assign(0.f);
const unsigned int iterations = 100000000;
#ifdef __SSE__
run_bench(boost::bind(bench_1, out.begin(), in.begin(), 1.f, 64), iterations);
run_bench(boost::bind(bench_2, out.begin(), in.begin(), 1.f, 64), iterations);
run_bench(boost::bind(bench_3, out.begin(), in.begin(), 1.f, 64), iterations);
run_bench(boost::bind(bench_4, out.begin(), in.begin(), 1.f, 64), iterations);
run_bench(boost::bind(bench_5, out.begin(), in.begin(), 1.f, 64), iterations);
#endif
/* run_bench(boost::bind(bench_6, out.begin(), in.begin(), 1.f, 64), iterations);*/
run_bench(boost::bind(bench_7, out.begin(), in.begin(), 1.f, 64), iterations);
run_bench(boost::bind(bench_8, out.begin(), in.begin(), 1.f, 64), iterations);
}
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