wehub-resource-sync
72 lines
2.5 KiB
Plaintext
72 lines
2.5 KiB
Plaintext
// Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "paddle/phi/kernels/random_kernel.h"
|
|
|
|
#include <random>
|
|
|
|
#include "paddle/phi/backends/gpu/gpu_context.h"
|
|
#include "paddle/phi/common/memory_utils.h"
|
|
#include "paddle/phi/core/kernel_registry.h"
|
|
#include "paddle/phi/kernels/funcs/distribution_helper.h"
|
|
|
|
namespace phi {
|
|
template <typename T, typename Context>
|
|
void RandomKernel(const Context& dev_ctx,
|
|
const DenseTensor& x,
|
|
int64_t from,
|
|
int64_t to,
|
|
DenseTensor* out) {
|
|
out->Resize(x.dims());
|
|
T* data = dev_ctx.template Alloc<T>(out);
|
|
|
|
if constexpr (std::is_floating_point_v<T> || std::is_same_v<T, float16> ||
|
|
std::is_same_v<T, bfloat16>) {
|
|
from = update_from<T>(from);
|
|
to = update_to<T>(to);
|
|
|
|
PADDLE_ENFORCE_LT(from,
|
|
to,
|
|
common::errors::InvalidArgument(
|
|
"random expects 'from' casted to dtype to be less "
|
|
"than 'to' casted to dtype, but got from=%d >= to=%d",
|
|
from,
|
|
to));
|
|
}
|
|
uint64_t range = static_cast<uint64_t>(to) - static_cast<uint64_t>(from);
|
|
if (range >= 1ULL << 28) {
|
|
funcs::uniform_distribution<uint64_t> dist;
|
|
funcs::uniform_int_from_to_distribution<T, uint64_t> random(range, from);
|
|
funcs::distribution_and_transform<T>(dev_ctx, out, dist, random);
|
|
|
|
} else {
|
|
funcs::uniform_distribution<uint32_t> dist;
|
|
funcs::uniform_int_from_to_distribution<T, uint32_t> random(range, from);
|
|
funcs::distribution_and_transform<T>(dev_ctx, out, dist, random);
|
|
}
|
|
}
|
|
|
|
} // namespace phi
|
|
|
|
PD_REGISTER_KERNEL(random,
|
|
GPU,
|
|
ALL_LAYOUT,
|
|
phi::RandomKernel,
|
|
int,
|
|
int64_t,
|
|
float,
|
|
double,
|
|
phi::float16,
|
|
phi::bfloat16) {}
|