File: test01.cpp

package info (click to toggle)
ispc 1.26.0-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 95,356 kB
  • sloc: cpp: 55,778; python: 6,681; yacc: 3,074; lex: 1,095; ansic: 714; sh: 283; makefile: 16
file content (97 lines) | stat: -rw-r--r-- 2,452 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
// Copyright (c) 2021-2024, Intel Corporation
// SPDX-License-Identifier: BSD-3-Clause

#include <benchmark/benchmark.h>
#include <cmath>
#include <stdio.h>

#include "../common.h"
#include "test01_ispc.h"

WARM_UP_RUN();

const float eps = 0.00001f;
#define ARGS Arg(100)->Arg(1000)->Arg(10000)

using namespace ispc;

static void init(struct FVector *dst, struct FVector *src0, struct FVector *src1, int count) {
    for (int i = 0; i < count; i++) {
        src0[i].V[0] = (float)i;
        src0[i].V[1] = (float)(i + 1);
        src0[i].V[2] = (float)(i + 2);
        src1[i].V[0] = 2;
        src1[i].V[1] = 4;
        src1[i].V[2] = 8;
        dst[i].V[0] = 0;
        dst[i].V[1] = 0;
        dst[i].V[2] = 0;
    }
}

static void check(struct FVector *dst, struct FVector *src0, struct FVector *src1, int count) {
    for (int i = 0; i < count; i++) {
        for (int j = 0; j < 3; j++) {
            if (std::abs(dst[i].V[j] - src0[i].V[j] * src1[i].V[j]) > eps) {
                printf("Error i=%d\n", i);
                return;
            }
        }
    }
}

static void test01_1(benchmark::State &state) {
    int count = static_cast<int>(state.range(0));
    FVector *src0 = new FVector[count];
    FVector *src1 = new FVector[count];
    FVector *dst = new FVector[count];
    init(dst, src0, src1, count);

    for (auto _ : state) {
        TestUniform1(dst, src0, src1, count);
    }

    check(dst, src0, src1, count);
    delete[] src0;
    delete[] src1;
    delete[] dst;
}
BENCHMARK(test01_1)->ARGS;

static void test01_2(benchmark::State &state) {
    int count = static_cast<int>(state.range(0));
    FVector *src0 = new FVector[count];
    FVector *src1 = new FVector[count];
    FVector *dst = new FVector[count];
    init(dst, src0, src1, count);

    for (auto _ : state) {
        TestUniform2(dst, src0, src1, count);
    }

    check(dst, src0, src1, count);
    delete[] src0;
    delete[] src1;
    delete[] dst;
}
BENCHMARK(test01_2)->ARGS;

static void test01_3(benchmark::State &state) {
    int count = static_cast<int>(state.range(0));
    FVector *src0 = new FVector[count];
    FVector *src1 = new FVector[count];
    FVector *dst = new FVector[count];
    init(dst, src0, src1, count);

    for (auto _ : state) {
        TestUniform3(dst, src0, src1, count);
    }

    check(dst, src0, src1, count);
    delete[] src0;
    delete[] src1;
    delete[] dst;
}
BENCHMARK(test01_3)->ARGS;

BENCHMARK_MAIN();