33 lines
1.1 KiB
C++
33 lines
1.1 KiB
C++
/*
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* Modified by HandH1998
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* Modified by Neural Magic
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* Copyright (C) Marlin.2024 Elias Frantar
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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constexpr int ceildiv(int a, int b) { return (a + b - 1) / b; }
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// Instances of `Vec` are used to organize groups of >>registers<<, as needed
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// for instance as inputs to tensor core operations. Consequently, all
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// corresponding index accesses must be compile-time constants, which is why we
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// extensively use `#pragma unroll` throughout the kernel code to guarantee
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// this.
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template <typename T, int n>
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struct Vec {
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T elems[n];
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__device__ T& operator[](int i) { return elems[i]; }
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};
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