389e493055
* CUTLASS 3.8 Release
* update
* Update README.md
* Revert "Update README.md"
This reverts commit b353e36fe8.
* update
* update
---------
Co-authored-by: Haicheng Wu <57973641+hwu36@users.noreply.github.com>
Co-authored-by: Haicheng Wu <haichengw@nvidia.com>
109 lines
5.4 KiB
C++
Executable File
109 lines
5.4 KiB
C++
Executable File
/***************************************************************************************************
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* Copyright (c) 2023 - 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************************************/
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//
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//
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#pragma once
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#include <cute/config.hpp>
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namespace cute {
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//
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// Cluster launch utility
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//
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CUTE_HOST
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bool
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initialize_preferred_cluster_launch(void const* const kernel_function,
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dim3 const& grid_dims,
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dim3 const& cluster_dims_preferred,
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dim3 const& cluster_dims_fallback)
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{
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//
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// Validate cluster_dims
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//
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// Total number of cluster cannot be greater than 32 (hardware requirement)
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if (cluster_dims_preferred.x * cluster_dims_preferred.y * cluster_dims_preferred.z <= 0 ||
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cluster_dims_preferred.x * cluster_dims_preferred.y * cluster_dims_preferred.z > 32) {
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std::cout << "Invalid preferred cluster dimensions: Attempting to init preferred cluster (" << cluster_dims_preferred.x << "," << cluster_dims_preferred.y << "," << cluster_dims_preferred.z
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<< ") [" << (cluster_dims_preferred.x * cluster_dims_preferred.y * cluster_dims_preferred.z) << "] which must be within (0,32]." << std::endl;
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return false;
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}
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// Total number of cluster cannot be greater than 32 (hardware requirement)
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if (cluster_dims_fallback.x * cluster_dims_fallback.y * cluster_dims_fallback.z <= 0 ||
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cluster_dims_fallback.x * cluster_dims_fallback.y * cluster_dims_fallback.z > 32) {
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std::cout << "Invalid cluster dimensions: Attempting to init fallback cluster (" << cluster_dims_fallback.x << "," << cluster_dims_fallback.y << "," << cluster_dims_fallback.z
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<< ") [" << (cluster_dims_fallback.x * cluster_dims_fallback.y * cluster_dims_fallback.z) << "] which must be within (0,32]." << std::endl;
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return false;
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}
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// Total grid dimensions must be within (2^32, 2^16, 2^16)
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if (grid_dims.y > (1 << 16) || grid_dims.z > (1 << 16)) {
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std::cout << "Invalid grid dimensions: Attempting to init grid dimensions (" << grid_dims.x << "," << grid_dims.y << "," << grid_dims.z
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<< ") which must be within (2^32, 2^16, 2^16)." << std::endl;
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return false;
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}
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// grid_dims should be divisible by cluster_dims_preferred
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if (grid_dims.x % cluster_dims_preferred.x != 0 ||
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grid_dims.y % cluster_dims_preferred.y != 0 ||
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grid_dims.z % cluster_dims_preferred.z != 0) {
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std::cout << "Invalid grid dimensions: Preferred cluster (" << cluster_dims_preferred.x << "," << cluster_dims_preferred.y << "," << cluster_dims_preferred.z
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<< ") does not divide Grid (" << grid_dims.x << "," << grid_dims.y << "," << grid_dims.z << ")." << std::endl;
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return false;
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}
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// cluster_dims_preferred should be divisible by cluster_dims_fallback
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if (cluster_dims_preferred.x % cluster_dims_fallback.x != 0 ||
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cluster_dims_preferred.y % cluster_dims_fallback.y != 0 ||
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cluster_dims_preferred.z % cluster_dims_fallback.z != 0) {
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std::cout << "Invalid cluster dimensions: Fallback cluster (" << cluster_dims_fallback.x << "," << cluster_dims_fallback.y << "," << cluster_dims_fallback.z
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<< ") does not divide Preferred cluster (" << cluster_dims_preferred.x << "," << cluster_dims_preferred.y << "," << cluster_dims_preferred.z << ")." << std::endl;
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return false;
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}
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// Both cluster dimenions should have the same depth
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if (cluster_dims_preferred.z != cluster_dims_fallback.z) {
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std::cout << "Invalid cluster dimensions: Fallback cluster (" << cluster_dims_fallback.x << "," << cluster_dims_fallback.y << "," << cluster_dims_fallback.z
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<< ") and Preferred cluster (" << cluster_dims_preferred.x << "," << cluster_dims_preferred.y << "," << cluster_dims_preferred.z << ") does not have the same depth." << std::endl;
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return false;
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}
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return true;
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}
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} // end namespace cute
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