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
|
//===-- GPU benchmark for logf16 ------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "benchmarks/gpu/LibcGpuBenchmark.h"
#include "benchmarks/gpu/Random.h"
#include "hdr/stdint_proxy.h"
#include "src/__support/macros/properties/types.h"
#include "src/__support/sign.h"
#include "src/math/logf16.h"
#if defined(NVPTX_MATH_FOUND) || defined(AMDGPU_MATH_FOUND)
#include "platform.h"
#endif
#define RANDOM_INPUT_UniformExponent(T, Func, Min, Max, N) \
[](uint32_t call_index) { \
using namespace LIBC_NAMESPACE::benchmarks; \
\
const UniformExponent<T> dist(Min, Max, LIBC_NAMESPACE::Sign::POS); \
return MathPerf<T>::template run_throughput<N>(Func, dist, call_index); \
}
#define RANDOM_INPUT_UniformLinear(T, Func, Min, Max, N) \
[](uint32_t call_index) { \
using namespace LIBC_NAMESPACE::benchmarks; \
\
const UniformLinear<T> dist(Min, Max); \
return MathPerf<T>::template run_throughput<N>(Func, dist, call_index); \
}
#define BENCH(T, Name, Func, Dist, Min, Max) \
SINGLE_WAVE_BENCHMARK(LlvmLibcLogf16GpuBenchmark, Name##_1, \
RANDOM_INPUT_##Dist(T, Func, Min, Max, 1)); \
SINGLE_WAVE_BENCHMARK(LlvmLibcLogf16GpuBenchmark, Name##_128, \
RANDOM_INPUT_##Dist(T, Func, Min, Max, 128)); \
SINGLE_WAVE_BENCHMARK(LlvmLibcLogf16GpuBenchmark, Name##_1024, \
RANDOM_INPUT_##Dist(T, Func, Min, Max, 1024)); \
SINGLE_WAVE_BENCHMARK(LlvmLibcLogf16GpuBenchmark, Name##_4096, \
RANDOM_INPUT_##Dist(T, Func, Min, Max, 4096))
using LIBC_NAMESPACE::logf16;
static constexpr float16 INV_E = 0x1.78b56362cef38p-2f16; // exp(-1.0)
static constexpr float16 E = 0x1.5bf0a8b145769p+1f16; // exp(+1.0)
BENCH(float16, Logf16Subnormal, logf16, UniformExponent, -14, -14);
BENCH(float16, Logf16AroundOne, logf16, UniformLinear, INV_E, E);
BENCH(float16, Logf16MedMag, logf16, UniformExponent, -10, 10);
BENCH(float16, Logf16Normal, logf16, UniformExponent, -13, 15);
#ifdef AMDGPU_MATH_FOUND
BENCH(float16, AmdLogf16Subnormal, __ocml_log_f16, UniformExponent, -14, -14);
BENCH(float16, AmdLogf16AroundOne, __ocml_log_f16, UniformLinear, INV_E, E);
BENCH(float16, AmdLogf16MedMag, __ocml_log_f16, UniformExponent, -10, 10);
BENCH(float16, AmdLogf16Normal, __ocml_log_f16, UniformExponent, -13, 15);
#endif
|
