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55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
/*
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* utils.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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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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#include "utils.hpp"
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#include "mako.hpp"
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <fmt/format.h>
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namespace mako {
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/* return the last key to be inserted */
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/* devide val equally among threads */
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int computeThreadPortion(int val, int p_idx, int t_idx, int total_p, int total_t) {
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int interval = val / total_p / total_t;
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int remaining = val - (interval * total_p * total_t);
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if ((p_idx * total_t + t_idx) < remaining) {
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return interval + 1;
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} else if (interval == 0) {
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return -1;
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}
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/* else */
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return interval;
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}
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/* number of digits */
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int digits(int num) {
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int digits = 0;
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while (num > 0) {
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num /= 10;
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digits++;
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}
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return digits;
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}
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} // namespace mako
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