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feat: fast

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This commit is contained in:
tqcq 2024-10-24 05:30:52 +00:00
parent b6aaf20a3f
commit 4304baebbb
1 changed files with 2 additions and 1 deletions
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3
drama/src/rev-mc.c
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@ -320,7 +320,6 @@ find_row_mask(std::vector<set_t> &sets,
std::atomic_bool found{false}; std::atomic_bool found{false};
std::mutex lock; std::mutex lock;
const uint64_t step = 10000;
// while (row_mask < last_mask) { // while (row_mask < last_mask) {
// row_mask = next_bit_permutation(row_mask); // row_mask = next_bit_permutation(row_mask);
@ -329,6 +328,8 @@ find_row_mask(std::vector<set_t> &sets,
std::vector<std::thread> workers; std::vector<std::thread> workers;
auto thread_num = std::thread::hardware_concurrency(); auto thread_num = std::thread::hardware_concurrency();
if (thread_num > 2) { thread_num -= 2; } if (thread_num > 2) { thread_num -= 2; }
const uint64_t step = (last_mask - row_mask) / thread_num;
for (int i = 0; i < thread_num; ++i) { for (int i = 0; i < thread_num; ++i) {
workers.emplace_back([&] { workers.emplace_back([&] {
while (!found) { while (!found) {