mirror of https://github.com/vllm-project/vllm.git
29 lines
785 B
C++
29 lines
785 B
C++
#pragma once
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#include <climits>
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#include <iostream>
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inline constexpr uint32_t next_pow_2(uint32_t const num) {
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if (num <= 1) return num;
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return 1 << (CHAR_BIT * sizeof(num) - __builtin_clz(num - 1));
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}
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template <typename A, typename B>
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static inline constexpr auto div_ceil(A a, B b) {
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return (a + b - 1) / b;
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}
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// Round a down to the next multiple of b. The caller is responsible for making
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// sure that b is non-zero
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template <typename T>
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inline constexpr T round_to_previous_multiple_of(T a, T b) {
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return a % b == 0 ? a : (a / b) * b;
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}
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// Round a up to the next multiple of b. The caller is responsible for making
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// sure that b is non-zero
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template <typename T>
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inline constexpr T round_to_next_multiple_of(T a, T b) {
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return a % b == 0 ? a : ((a / b) + 1) * b;
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}
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