124 lines
2.3 KiB
C++
124 lines
2.3 KiB
C++
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#include "bench.h"
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#include <stdlib.h>
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#include <iostream>
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#include "vectorial/simd4x4f.h"
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#define NUM (81920)
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#define ITER 100
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//using namespace vectorial;
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namespace {
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simd4x4f* alloc_simd4x4f(size_t n) {
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void *ptr = memalign(n*sizeof(simd4x4f), 16);
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return static_cast<simd4x4f*>(ptr);
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}
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}
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static simd4x4f * a;
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static simd4x4f * b;
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static simd4x4f * c;
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static simd4x4f add_4x4(SIMD_PARAM(simd4x4f, a), SIMD_PARAM(simd4x4f, b)) {
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return simd4x4f_create(
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simd4f_add(a.x, b.x),
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simd4f_add(a.y, b.y),
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simd4f_add(a.z, b.z),
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simd4f_add(a.w, b.w)
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);
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}
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static simd4x4f add_4x4_rp(simd4x4f *a, simd4x4f *b) {
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return simd4x4f_create(
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simd4f_add(a->x, b->x),
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simd4f_add(a->y, b->y),
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simd4f_add(a->z, b->z),
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simd4f_add(a->w, b->w)
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);
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}
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static void add_4x4_p(simd4x4f *a, simd4x4f *b, simd4x4f *out) {
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out->x = simd4f_add(a->x, b->x);
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out->y = simd4f_add(a->y, b->y);
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out->z = simd4f_add(a->z, b->z);
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out->w = simd4f_add(a->w, b->w);
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}
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void quad_return_func() {
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simd4x4f* aa = a;
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simd4x4f* bb = b;
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simd4x4f* cc = c;
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for(size_t i = 0; i < NUM; ++i)
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{
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bb[i] = add_4x4(aa[i], bb[i]);
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}
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}
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void quad_pointer_func() {
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simd4x4f* aa = a;
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simd4x4f* bb = b;
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simd4x4f* cc = c;
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for(size_t i = 0; i < NUM; ++i)
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{
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add_4x4_p(&aa[i], &bb[i], &bb[i]);
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}
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}
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void quad_pointer_return_func() {
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simd4x4f* aa = a;
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simd4x4f* bb = b;
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simd4x4f* cc = c;
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for(size_t i = 0; i < NUM; ++i)
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{
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bb[i] = add_4x4_rp(&aa[i], &bb[i]);
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}
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}
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void quad_bench() {
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a = alloc_simd4x4f(NUM);
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b = alloc_simd4x4f(NUM);
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c = alloc_simd4x4f(NUM);
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for(size_t i = 0; i < NUM; ++i)
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{
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simd4f t = simd4f_create(i,i,i,i);
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simd4f t2 = simd4f_create(NUM-i,NUM-i,NUM-i,NUM-i);
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a[i]=simd4x4f_create(t,t,t,t);
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b[i]=simd4x4f_create(t2,t2,t2,t2);
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}
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profile("quad return-value", quad_return_func, ITER, NUM);
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profile("quad pass-by-pointer", quad_pointer_func, ITER, NUM);
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profile("quad pass-by-pointer return-value", quad_pointer_return_func, ITER, NUM);
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memfree(a);
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memfree(b);
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memfree(c);
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}
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