/*************************************************************************************************** * Copyright (c) 2025 - 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved. * SPDX-License-Identifier: BSD-3-Clause * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * **************************************************************************************************/ /// Helper to initialize a block of device data template bool initialize_tensor( cutlass::TensorView view, cutlass::Distribution::Kind dist_kind, uint64_t seed) { if (dist_kind == cutlass::Distribution::Uniform) { double scope_max, scope_min; int bits_input = cutlass::sizeof_bits::value; if (bits_input == 1) { scope_max = 2; scope_min = 0; } else if (bits_input <= 8) { scope_max = 2; scope_min = -2; } else if (bits_input == 16) { scope_max = 5; scope_min = -5; } else { scope_max = 8; scope_min = -8; } cutlass::reference::host::TensorFillRandomUniform( view, seed, scope_max, scope_min, 0); } else if (dist_kind == cutlass::Distribution::AllZeros) { cutlass::reference::host::TensorFill(view); } else if (dist_kind == cutlass::Distribution::Identity) { cutlass::reference::host::TensorFillIdentity(view); } else if (dist_kind == cutlass::Distribution::Gaussian) { cutlass::reference::host::TensorFillRandomGaussian(view, seed, 0, 0.5); } else if (dist_kind == cutlass::Distribution::Sequential) { cutlass::reference::host::BlockFillSequential(view.data(), view.capacity()); } else { throw std::runtime_error("Not implementated."); } return true; }