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/*******************************************************************************
*
* MIT License
*
* Copyright (c) 2024 Advanced Micro Devices, Inc.
*
* 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.
*
*******************************************************************************/
#include "conv_common.hpp"
namespace conv {
// Shift FP16 distribution towards positive numbers,
// otherwise Winograd FP16 validation fails.
template <>
float16 RanGenWeights()
{
return prng::gen_A_to_B(static_cast<float16>(-1.0 / 3.0), static_cast<float16>(0.5));
}
// int8 has it's own range
template <>
int8_t RanGenWeights()
{
return prng::gen_A_to_B(static_cast<int8_t>(-1), static_cast<int8_t>(1));
}
template <>
float8 RanGenWeights()
{
const auto tmp =
prng::gen_0_to_B(1.0) > 0.5 ? static_cast<float>(0.0) : static_cast<float>(1.0);
// 1 in 2 chance of number being positive
const float sign =
(prng::gen_0_to_B(1.0) > 0.5) ? static_cast<float>(-1) : static_cast<float>(1);
const auto tmp2 = static_cast<float>(std::numeric_limits<float8>::epsilon()) *
static_cast<float>(2) * sign * static_cast<float>(tmp);
return static_cast<float8>(tmp2);
}
template <>
bfloat8 RanGenWeights()
{
const auto tmp =
prng::gen_0_to_B(1.0) > 0.5 ? static_cast<float>(0.0) : static_cast<float>(1.0);
// 1 in 2 chance of number being positive
const float sign =
(prng::gen_0_to_B(1.0) > 0.5) ? static_cast<float>(-1) : static_cast<float>(1);
const auto tmp2 = static_cast<float>(std::numeric_limits<float8>::epsilon()) *
static_cast<float>(2) * sign * static_cast<float>(tmp);
return static_cast<bfloat8>(tmp2);
}
} // namespace conv
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