zinface
/
SDL
mirror of https://github.com/libsdl-org/SDL
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
SDL/test/testautomation_intrinsics.c

691 lines
21 KiB
C
Raw Blame History

/**
* Intrinsics test suite
*/
#ifndef NO_BUILD_CONFIG
/* Disable intrinsics that are unsupported by the current compiler */
#include "SDL_build_config.h"
#endif
#include <SDL3/SDL.h>
#include <SDL3/SDL_intrin.h>
#include <SDL3/SDL_test.h>
#include "testautomation_suites.h"
// FIXME: missing tests for loongarch lsx/lasx
// FIXME: missing tests for powerpc altivec
/* ================= Test Case Implementation ================== */
/* Helper functions */
static int allocate_random_int_arrays(Sint32 **dest, Sint32 **a, Sint32 **b, size_t *size) {
size_t i;
*size = (size_t)SDLTest_RandomIntegerInRange(127, 999);
*dest = SDL_malloc(sizeof(Sint32) * *size);
*a = SDL_malloc(sizeof(Sint32) * *size);
*b = SDL_malloc(sizeof(Sint32) * *size);
if (!*dest || !*a || !*b) {
SDLTest_AssertCheck(false, "SDL_malloc failed");
return -1;
}
for (i = 0; i < *size; ++i) {
(*a)[i] = SDLTest_RandomSint32();
(*b)[i] = SDLTest_RandomSint32();
}
return 0;
}
static int allocate_random_float_arrays(float **dest, float **a, float **b, size_t *size) {
size_t i;
*size = (size_t)SDLTest_RandomIntegerInRange(127, 999);
*dest = SDL_malloc(sizeof(float) * *size);
*a = SDL_malloc(sizeof(float) * *size);
*b = SDL_malloc(sizeof(float) * *size);
if (!*dest || !*a || !*b) {
SDLTest_AssertCheck(false, "SDL_malloc failed");
return -1;
}
for (i = 0; i < *size; ++i) {
(*a)[i] = SDLTest_RandomUnitFloat();
(*b)[i] = SDLTest_RandomUnitFloat();
}
return 0;
}
static int allocate_random_double_arrays(double **dest, double **a, double **b, size_t *size) {
size_t i;
*size = (size_t)SDLTest_RandomIntegerInRange(127, 999);
*dest = SDL_malloc(sizeof(double) * *size);
*a = SDL_malloc(sizeof(double) * *size);
*b = SDL_malloc(sizeof(double) * *size);
if (!*dest || !*a || !*b) {
SDLTest_AssertCheck(false, "SDL_malloc failed");
return -1;
}
for (i = 0; i < *size; ++i) {
(*a)[i] = SDLTest_RandomUnitDouble();
(*b)[i] = SDLTest_RandomUnitDouble();
}
return 0;
}
static void free_arrays(void *dest, void *a, void *b) {
SDL_free(dest);
SDL_free(a);
SDL_free(b);
}
/**
* Verify element-wise addition of 2 int arrays.
*/
static void verify_ints_addition(const Sint32 *dest, const Sint32 *a, const Sint32 *b, size_t size, const char *desc) {
size_t i;
int all_good = 1;
for (i = 0; i < size; ++i) {
Sint32 expected = a[i] + b[i];
if (dest[i] != expected) {
SDLTest_AssertCheck(false, "%" SDL_PRIs32 " + %" SDL_PRIs32 " = %" SDL_PRIs32 ", expected %" SDL_PRIs32 " ([%" SDL_PRIu32 "/%" SDL_PRIu32 "] %s)",
a[i], b[i], dest[i], expected, (Uint32)i, (Uint32)size, desc);
all_good = 0;
}
}
if (all_good) {
SDLTest_AssertCheck(true, "All int additions were correct (%s)", desc);
}
}
/**
* Verify element-wise multiplication of 2 int arrays.
*/
static void verify_ints_multiplication(const Sint32 *dest, const Sint32 *a, const Sint32 *b, size_t size, const char *desc) {
size_t i;
int all_good = 1;
for (i = 0; i < size; ++i) {
Sint32 expected = a[i] * b[i];
if (dest[i] != expected) {
SDLTest_AssertCheck(false, "%" SDL_PRIs32 " * %" SDL_PRIs32 " = %" SDL_PRIs32 ", expected %" SDL_PRIs32 " ([%" SDL_PRIu32 "/%" SDL_PRIu32 "] %s)",
a[i], b[i], dest[i], expected, (Uint32)i, (Uint32)size, desc);
all_good = 0;
}
}
if (all_good) {
SDLTest_AssertCheck(true, "All int multiplication were correct (%s)", desc);
}
}
/**
* Verify element-wise addition of 2 float arrays.
*/
static void verify_floats_addition(const float *dest, const float *a, const float *b, size_t size, const char *desc) {
size_t i;
int all_good = 1;
for (i = 0; i < size; ++i) {
float expected = a[i] + b[i];
float abs_error = SDL_fabsf(dest[i] - expected);
if (abs_error > 1.0e-5f) {
SDLTest_AssertCheck(false, "%g + %g = %g, expected %g (error = %g) ([%" SDL_PRIu32 "/%" SDL_PRIu32 "] %s)",
a[i], b[i], dest[i], expected, abs_error, (Uint32) i, (Uint32) size, desc);
all_good = 0;
}
}
if (all_good) {
SDLTest_AssertCheck(true, "All float additions were correct (%s)", desc);
}
}
/**
* Verify element-wise addition of 2 double arrays.
*/
static void verify_doubles_addition(const double *dest, const double *a, const double *b, size_t size, const char *desc) {
size_t i;
int all_good = 1;
for (i = 0; i < size; ++i) {
double expected = a[i] + b[i];
double abs_error = SDL_fabs(dest[i] - expected);
if (abs_error > 1.0e-5) {
SDLTest_AssertCheck(abs_error < 1.0e-5f, "%g + %g = %g, expected %g (error = %g) ([%" SDL_PRIu32 "/%" SDL_PRIu32 "] %s)",
a[i], b[i], dest[i], expected, abs_error, (Uint32) i, (Uint32) size, desc);
all_good = false;
}
}
if (all_good) {
SDLTest_AssertCheck(true, "All double additions were correct (%s)", desc);
}
}
/* Intrinsic kernels */
static void kernel_ints_add_cpu(Sint32 *dest, const Sint32 *a, const Sint32 *b, size_t size) {
for (; size; --size, ++dest, ++a, ++b) {
*dest = *a + *b;
}
}
static void kernel_ints_mul_cpu(Sint32 *dest, const Sint32 *a, const Sint32 *b, size_t size) {
for (; size; --size, ++dest, ++a, ++b) {
*dest = *a * *b;
}
}
static void kernel_floats_add_cpu(float *dest, const float *a, const float *b, size_t size) {
for (; size; --size, ++dest, ++a, ++b) {
*dest = *a + *b;
}
}
static void kernel_doubles_add_cpu(double *dest, const double *a, const double *b, size_t size) {
for (; size; --size, ++dest, ++a, ++b) {
*dest = *a + *b;
}
}
#ifdef SDL_MMX_INTRINSICS
SDL_TARGETING("mmx") static void kernel_ints_add_mmx(Sint32 *dest, const Sint32 *a, const Sint32 *b, size_t size) {
for (; size >= 2; size -= 2, dest += 2, a += 2, b += 2) {
*(__m64*)dest = _mm_add_pi32(*(__m64*)a, *(__m64*)b);
}
if (size) {
*dest = *a + *b;
}
_mm_empty();
}
#endif
#ifdef SDL_SSE_INTRINSICS
SDL_TARGETING("sse") static void kernel_floats_add_sse(float *dest, const float *a, const float *b, size_t size) {
for (; size >= 4; size -= 4, dest += 4, a += 4, b += 4) {
_mm_storeu_ps(dest, _mm_add_ps(_mm_loadu_ps(a), _mm_loadu_ps (b)));
}
for (; size; size--, ++dest, ++a, ++b) {
*dest = *a + *b;
}
}
#endif
#ifdef SDL_SSE2_INTRINSICS
SDL_TARGETING("sse2") static void kernel_doubles_add_sse2(double *dest, const double *a, const double *b, size_t size) {
for (; size >= 2; size -= 2, dest += 2, a += 2, b += 2) {
_mm_storeu_pd(dest, _mm_add_pd(_mm_loadu_pd(a), _mm_loadu_pd(b)));
}
if (size) {
*dest = *a + *b;
}
}
#endif
#ifdef SDL_SSE3_INTRINSICS
SDL_TARGETING("sse3") static void kernel_ints_add_sse3(Sint32 *dest, const Sint32 *a, const Sint32 *b, size_t size) {
for (; size >= 4; size -= 4, dest += 4, a += 4, b += 4) {
_mm_storeu_si128((__m128i*)dest, _mm_add_epi32(_mm_lddqu_si128((__m128i*)a), _mm_lddqu_si128((__m128i*)b)));
}
for (;size; --size, ++dest, ++a, ++b) {
*dest = *a + *b;
}
}
#endif
#ifdef SDL_SSE4_1_INTRINSICS
SDL_TARGETING("sse4.1") static void kernel_ints_mul_sse4_1(Sint32 *dest, const Sint32 *a, const Sint32 *b, size_t size) {
for (; size >= 4; size -= 4, dest += 4, a += 4, b += 4) {
_mm_storeu_si128((__m128i*)dest, _mm_mullo_epi32(_mm_lddqu_si128((__m128i*)a), _mm_lddqu_si128((__m128i*)b)));
}
for (;size; --size, ++dest, ++a, ++b) {
*dest = *a * *b;
}
}
#endif
#ifdef SDL_SSE4_2_INTRINSICS
SDL_TARGETING("sse4.2") static Uint32 calculate_crc32c_sse4_2(const char *text) {
Uint32 crc32c = ~0u;
size_t len = SDL_strlen(text);
#if defined(__x86_64__) || defined(_M_X64)
for (; len >= 8; len -= 8, text += 8) {
crc32c = (Uint32)_mm_crc32_u64(crc32c, *(Sint64*)text);
}
if (len >= 4) {
crc32c = (Uint32)_mm_crc32_u32(crc32c, *(Sint32*)text);
len -= 4;
text += 4;
}
#else
for (; len >= 4; len -= 4, text += 4) {
crc32c = (Uint32)_mm_crc32_u32(crc32c, *(Sint32*)text);
}
#endif
if (len >= 2) {
crc32c = (Uint32)_mm_crc32_u16(crc32c, *(Sint16*)text);
len -= 2;
text += 2;
}
if (len) {
crc32c = (Uint32)_mm_crc32_u8(crc32c, *text);
}
return ~crc32c;
}
#endif
#ifdef SDL_AVX_INTRINSICS
SDL_TARGETING("avx") static void kernel_floats_add_avx(float *dest, const float *a, const float *b, size_t size) {
for (; size >= 8; size -= 8, dest += 8, a += 8, b += 8) {
_mm256_storeu_ps(dest, _mm256_add_ps(_mm256_loadu_ps(a), _mm256_loadu_ps(b)));
}
for (; size; size--, ++dest, ++a, ++b) {
*dest = *a + *b;
}
}
#endif
#ifdef SDL_AVX2_INTRINSICS
SDL_TARGETING("avx2") static void kernel_ints_add_avx2(Sint32 *dest, const Sint32 *a, const Sint32 *b, size_t size) {
for (; size >= 8; size -= 8, dest += 8, a += 8, b += 8) {
_mm256_storeu_si256((__m256i*)dest, _mm256_add_epi32(_mm256_loadu_si256((__m256i*)a), _mm256_loadu_si256((__m256i*)b)));
}
for (; size; size--, ++dest, ++a, ++b) {
*dest = *a + *b;
}
}
#endif
#ifdef SDL_AVX512F_INTRINSICS
SDL_TARGETING("avx512f") static void kernel_floats_add_avx512f(float *dest, const float *a, const float *b, size_t size) {
for (; size >= 16; size -= 16, dest += 16, a += 16, b += 16) {
_mm512_storeu_ps(dest, _mm512_add_ps(_mm512_loadu_ps(a), _mm512_loadu_ps(b)));
}
for (; size; --size) {
*dest++ = *a++ + *b++;
}
}
#endif
/* Test case functions */
static int SDLCALL intrinsics_selftest(void *arg)
{
{
size_t size;
Sint32 *dest, *a, *b;
if (allocate_random_int_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_ints_mul_cpu(dest, a, b, size);
verify_ints_multiplication(dest, a, b, size, "CPU");
free_arrays(dest, a, b);
}
{
size_t size;
Sint32 *dest, *a, *b;
if (allocate_random_int_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_ints_add_cpu(dest, a, b, size);
verify_ints_addition(dest, a, b, size, "CPU");
free_arrays(dest, a, b);
}
{
size_t size;
float *dest, *a, *b;
if (allocate_random_float_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_floats_add_cpu(dest, a, b, size);
verify_floats_addition(dest, a, b, size, "CPU");
free_arrays(dest, a, b);
}
{
size_t size;
double *dest, *a, *b;
if (allocate_random_double_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_doubles_add_cpu(dest, a, b, size);
verify_doubles_addition(dest, a, b, size, "CPU");
free_arrays(dest, a, b);
}
return TEST_COMPLETED;
}
static int SDLCALL intrinsics_testMMX(void *arg)
{
if (SDL_HasMMX()) {
SDLTest_AssertCheck(true, "CPU of test machine has MMX support.");
#ifdef SDL_MMX_INTRINSICS
{
size_t size;
Sint32 *dest, *a, *b;
SDLTest_AssertCheck(true, "Test executable uses MMX intrinsics.");
if (allocate_random_int_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_ints_add_mmx(dest, a, b, size);
verify_ints_addition(dest, a, b, size, "MMX");
free_arrays(dest, a, b);
return TEST_COMPLETED;
}
#else
SDLTest_AssertCheck(true, "Test executable does NOT use MMX intrinsics.");
#endif
} else {
SDLTest_AssertCheck(true, "CPU of test machine has NO MMX support.");
}
return TEST_SKIPPED;
}
static int SDLCALL intrinsics_testSSE(void *arg)
{
if (SDL_HasSSE()) {
SDLTest_AssertCheck(true, "CPU of test machine has SSE support.");
#ifdef SDL_SSE_INTRINSICS
{
size_t size;
float *dest, *a, *b;
SDLTest_AssertCheck(true, "Test executable uses SSE intrinsics.");
if (allocate_random_float_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_floats_add_sse(dest, a, b, size);
verify_floats_addition(dest, a, b, size, "SSE");
free_arrays(dest, a, b);
return TEST_COMPLETED;
}
#else
SDLTest_AssertCheck(true, "Test executable does NOT use SSE intrinsics.");
#endif
} else {
SDLTest_AssertCheck(true, "CPU of test machine has NO SSE support.");
}
return TEST_SKIPPED;
}
static int SDLCALL intrinsics_testSSE2(void *arg)
{
if (SDL_HasSSE2()) {
SDLTest_AssertCheck(true, "CPU of test machine has SSE2 support.");
#ifdef SDL_SSE2_INTRINSICS
{
size_t size;
double *dest, *a, *b;
SDLTest_AssertCheck(true, "Test executable uses SSE2 intrinsics.");
if (allocate_random_double_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_doubles_add_sse2(dest, a, b, size);
verify_doubles_addition(dest, a, b, size, "SSE2");
free_arrays(dest, a, b);
return TEST_COMPLETED;
}
#else
SDLTest_AssertCheck(true, "Test executable does NOT use SSE2 intrinsics.");
#endif
} else {
SDLTest_AssertCheck(true, "CPU of test machine has NO SSE2 support.");
}
return TEST_SKIPPED;
}
static int SDLCALL intrinsics_testSSE3(void *arg)
{
if (SDL_HasSSE3()) {
SDLTest_AssertCheck(true, "CPU of test machine has SSE3 support.");
#ifdef SDL_SSE3_INTRINSICS
{
size_t size;
Sint32 *dest, *a, *b;
SDLTest_AssertCheck(true, "Test executable uses SSE3 intrinsics.");
if (allocate_random_int_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_ints_add_sse3(dest, a, b, size);
verify_ints_addition(dest, a, b, size, "SSE3");
free_arrays(dest, a, b);
return TEST_COMPLETED;
}
#else
SDLTest_AssertCheck(true, "Test executable does NOT use SSE3 intrinsics.");
#endif
} else {
SDLTest_AssertCheck(true, "CPU of test machine has NO SSE3 support.");
}
return TEST_SKIPPED;
}
static int SDLCALL intrinsics_testSSE4_1(void *arg)
{
if (SDL_HasSSE41()) {
SDLTest_AssertCheck(true, "CPU of test machine has SSE4.1 support.");
#ifdef SDL_SSE4_1_INTRINSICS
{
size_t size;
Sint32 *dest, *a, *b;
SDLTest_AssertCheck(true, "Test executable uses SSE4.1 intrinsics.");
if (allocate_random_int_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_ints_mul_sse4_1(dest, a, b, size);
verify_ints_multiplication(dest, a, b, size, "SSE4.1");
free_arrays(dest, a, b);
return TEST_COMPLETED;
}
#else
SDLTest_AssertCheck(true, "Test executable does NOT use SSE4.1 intrinsics.");
#endif
} else {
SDLTest_AssertCheck(true, "CPU of test machine has NO SSE4.1 support.");
}
return TEST_SKIPPED;
}
static int SDLCALL intrinsics_testSSE4_2(void *arg)
{
if (SDL_HasSSE42()) {
SDLTest_AssertCheck(true, "CPU of test machine has SSE4.2 support.");
#ifdef SDL_SSE4_2_INTRINSICS
{
struct {
const char *input;
Uint32 crc32c;
} references[] = {
{"", 0x00000000},
{"Hello world", 0x72b51f78},
{"Simple DirectMedia Layer", 0x56f85341, },
};
size_t i;
SDLTest_AssertCheck(true, "Test executable uses SSE4.2 intrinsics.");
for (i = 0; i < SDL_arraysize(references); ++i) {
Uint32 actual = calculate_crc32c_sse4_2(references[i].input);
SDLTest_AssertCheck(actual == references[i].crc32c, "CRC32-C(\"%s\")=0x%08x, got 0x%08x",
references[i].input, references[i].crc32c, actual);
}
return TEST_COMPLETED;
}
#else
SDLTest_AssertCheck(true, "Test executable does NOT use SSE4.2 intrinsics.");
#endif
} else {
SDLTest_AssertCheck(true, "CPU of test machine has NO SSE4.2 support.");
}
return TEST_SKIPPED;
}
static int SDLCALL intrinsics_testAVX(void *arg)
{
if (SDL_HasAVX()) {
SDLTest_AssertCheck(true, "CPU of test machine has AVX support.");
#ifdef SDL_AVX_INTRINSICS
{
size_t size;
float *dest, *a, *b;
SDLTest_AssertCheck(true, "Test executable uses AVX intrinsics.");
if (allocate_random_float_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_floats_add_avx(dest, a, b, size);
verify_floats_addition(dest, a, b, size, "AVX");
free_arrays(dest, a, b);
return TEST_COMPLETED;
}
#else
SDLTest_AssertCheck(true, "Test executable does NOT use AVX intrinsics.");
#endif
} else {
SDLTest_AssertCheck(true, "CPU of test machine has NO AVX support.");
}
return TEST_SKIPPED;
}
static int SDLCALL intrinsics_testAVX2(void *arg)
{
if (SDL_HasAVX2()) {
SDLTest_AssertCheck(true, "CPU of test machine has AVX2 support.");
#ifdef SDL_AVX2_INTRINSICS
{
size_t size;
Sint32 *dest, *a, *b;
SDLTest_AssertCheck(true, "Test executable uses AVX2 intrinsics.");
if (allocate_random_int_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_ints_add_avx2(dest, a, b, size);
verify_ints_addition(dest, a, b, size, "AVX2");
free_arrays(dest, a, b);
return TEST_COMPLETED;
}
#else
SDLTest_AssertCheck(true, "Test executable does NOT use AVX2 intrinsics.");
#endif
} else {
SDLTest_AssertCheck(true, "CPU of test machine has NO AVX2 support.");
}
return TEST_SKIPPED;
}
static int SDLCALL intrinsics_testAVX512F(void *arg)
{
if (SDL_HasAVX512F()) {
SDLTest_AssertCheck(true, "CPU of test machine has AVX512F support.");
#ifdef SDL_AVX512F_INTRINSICS
{
size_t size;
float *dest, *a, *b;
SDLTest_AssertCheck(true, "Test executable uses AVX512F intrinsics.");
if (allocate_random_float_arrays(&dest, &a, &b, &size) < 0) {
return TEST_ABORTED;
}
kernel_floats_add_avx512f(dest, a, b, size);
verify_floats_addition(dest, a, b, size, "AVX512F");
free_arrays(dest, a, b);
return TEST_COMPLETED;
}
#else
SDLTest_AssertCheck(true, "Test executable does NOT use AVX512F intrinsics.");
#endif
} else {
SDLTest_AssertCheck(true, "CPU of test machine has NO AVX512F support.");
}
return TEST_SKIPPED;
}
/* ================= Test References ================== */
/* Intrinsics test cases */
static const SDLTest_TestCaseReference intrinsicsTest1 = {
intrinsics_selftest, "intrinsics_selftest", "Intrinsics testautomation selftest", TEST_ENABLED
};
static const SDLTest_TestCaseReference intrinsicsTest2 = {
intrinsics_testMMX, "intrinsics_testMMX", "Tests MMX intrinsics", TEST_ENABLED
};
static const SDLTest_TestCaseReference intrinsicsTest3 = {
intrinsics_testSSE, "intrinsics_testSSE", "Tests SSE intrinsics", TEST_ENABLED
};
static const SDLTest_TestCaseReference intrinsicsTest4 = {
intrinsics_testSSE2, "intrinsics_testSSE2", "Tests SSE2 intrinsics", TEST_ENABLED
};
static const SDLTest_TestCaseReference intrinsicsTest5 = {
intrinsics_testSSE3, "intrinsics_testSSE3", "Tests SSE3 intrinsics", TEST_ENABLED
};
static const SDLTest_TestCaseReference intrinsicsTest6 = {
intrinsics_testSSE4_1, "intrinsics_testSSE4.1", "Tests SSE4.1 intrinsics", TEST_ENABLED
};
static const SDLTest_TestCaseReference intrinsicsTest7 = {
intrinsics_testSSE4_2, "intrinsics_testSSE4.2", "Tests SSE4.2 intrinsics", TEST_ENABLED
};
static const SDLTest_TestCaseReference intrinsicsTest8 = {
intrinsics_testAVX, "intrinsics_testAVX", "Tests AVX intrinsics", TEST_ENABLED
};
static const SDLTest_TestCaseReference intrinsicsTest9 = {
intrinsics_testAVX2, "intrinsics_testAVX2", "Tests AVX2 intrinsics", TEST_ENABLED
};
static const SDLTest_TestCaseReference intrinsicsTest10 = {
intrinsics_testAVX512F, "intrinsics_testAVX512F", "Tests AVX512F intrinsics", TEST_ENABLED
};
/* Sequence of Platform test cases */
static const SDLTest_TestCaseReference *platformTests[] = {
&intrinsicsTest1,
&intrinsicsTest2,
&intrinsicsTest3,
&intrinsicsTest4,
&intrinsicsTest5,
&intrinsicsTest6,
&intrinsicsTest7,
&intrinsicsTest8,
&intrinsicsTest9,
&intrinsicsTest10,
NULL
};
/* Platform test suite (global) */
SDLTest_TestSuiteReference intrinsicsTestSuite = {
"Intrinsics",
NULL,
platformTests,
NULL
};
Reference in New Issue View Git Blame Copy Permalink