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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| /* | ||
| * The MIT License (MIT) | ||
| * | ||
| * Copyright (c) 2015-2023 Advanced Micro Devices, Inc. All rights reserved. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| */ | ||
|
|
||
| #ifndef MIGRAPHX_GUARD_OPERATORS_RANDOM_SEED_HPP | ||
| #define MIGRAPHX_GUARD_OPERATORS_RANDOM_SEED_HPP | ||
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|
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| #include <migraphx/check_shapes.hpp> | ||
| #include <migraphx/argument.hpp> | ||
| #include <random> | ||
|
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| namespace migraphx { | ||
| inline namespace MIGRAPHX_INLINE_NS { | ||
| namespace op { | ||
|
|
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| /** | ||
| * Generates a random seed for the use of random number generators. Generating the seed | ||
| * at runtime guarantees there will be a different random sequence on every execution. | ||
| * This operation has no inputs or attributes, and outputs an unsigned integer tensor with | ||
| * a single value. | ||
| */ | ||
| struct random_seed | ||
| { | ||
| shape::type_t dtype = shape::type_t::uint64_type; | ||
|
|
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| template <class Self, class F> | ||
| static auto reflect(Self& self, F f) | ||
| { | ||
| return pack(f(self.dtype, "dtype")); | ||
| } | ||
|
|
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| std::string name() const { return "random_seed"; } | ||
| shape compute_shape(const std::vector<shape>& inputs) const | ||
| { | ||
| check_shapes{inputs, *this}.has(0); | ||
| return shape{dtype}; | ||
| } | ||
|
|
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| argument compute(const shape& output_shape, const std::vector<argument>&) const | ||
| { | ||
| argument result(output_shape); | ||
|
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| result.visit([&](auto output) { output.front() = std::random_device{}(); }); | ||
| return result; | ||
| } | ||
| }; | ||
|
|
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| } // namespace op | ||
| } // namespace MIGRAPHX_INLINE_NS | ||
| } // namespace migraphx | ||
|
|
||
| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| /* | ||
| * The MIT License (MIT) | ||
| * | ||
| * Copyright (c) 2015-2023 Advanced Micro Devices, Inc. All rights reserved. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| */ | ||
|
|
||
| /** | ||
| * Random Uniform distribution operator. Given a shape, populate it with random | ||
| * values. Calls to random_uniform using the same randomization seed as a | ||
| * literal input will | ||
| * always generate the same pseudo-random sequence. | ||
| * | ||
| * Inputs: (1) randomization seed (any type is allowed) | ||
| * (2) output buffer argument to be populated. | ||
| * | ||
| * Attributes: none | ||
| * | ||
| * Output: Returns the buffer from input #2. | ||
| * | ||
| */ | ||
| #ifndef MIGRAPHX_GUARD_OPERATORS_RANDOM_UNIFORM_HPP | ||
| #define MIGRAPHX_GUARD_OPERATORS_RANDOM_UNIFORM_HPP | ||
|
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| #include <migraphx/check_shapes.hpp> | ||
| #include <migraphx/argument.hpp> | ||
| #include <random> | ||
|
|
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| namespace migraphx { | ||
| inline namespace MIGRAPHX_INLINE_NS { | ||
| namespace op { | ||
|
|
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| /** | ||
| * random_uniform populates the passed shape with random numbers, in a uniform | ||
| * distribution. Range for floating-point data types is (0, 1); | ||
| * for integer types it is [0, <max value for the type>] | ||
| */ | ||
| struct random_uniform | ||
| { | ||
| // The random_uniform operation needs the random number generator seed | ||
| // to be passed as a runtime input. | ||
|
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| std::string name() const { return "random_uniform"; } | ||
| shape compute_shape(std::vector<shape> inputs) const | ||
| { | ||
| check_shapes{inputs, *this, true}.has(2); | ||
|
|
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| return inputs.at(1); | ||
| } | ||
|
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| argument compute(const shape&, std::vector<argument> args) const | ||
| { | ||
| // Output goes into the passed buffer, not the shape output. | ||
| auto result = args[1]; | ||
|
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| uint64_t local_seed = args[0].at<uint64_t>(0); | ||
| std::mt19937 gen(local_seed); | ||
|
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| result.visit([&](auto output) { | ||
| using type = typename decltype(output)::value_type; | ||
| if constexpr(std::is_integral<type>{}) | ||
| { | ||
| // default range for all integer types is | ||
| // (0, std::uniform_int_distribution<type>::max()). | ||
| // Todo: enable different ranges | ||
| std::uniform_int_distribution<type> dis; | ||
| std::generate(output.begin(), output.end(), [&] { return dis(gen); }); | ||
| } | ||
| else | ||
| { | ||
| // default real distribution type is double with range (0, 1); | ||
| std::uniform_real_distribution<> dis; | ||
| std::generate(output.begin(), output.end(), [&] { return dis(gen); }); | ||
| } | ||
| }); | ||
| return result; | ||
| } | ||
|
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| std::ptrdiff_t output_alias(const std::vector<shape>&) const { return 1; } | ||
| }; | ||
|
|
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| } // namespace op | ||
| } // namespace MIGRAPHX_INLINE_NS | ||
| } // namespace migraphx | ||
|
|
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| #endif |
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