tqcq/trrespass
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

feat: remove queue

Browse Source
This commit is contained in:
tqcq 2024-10-24 04:51:16 +00:00
parent 75a468ec85
commit 578fc8e937
1 changed files with 11 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drama/src/rev-mc.c
View File

@ -308,6 +308,7 @@ find_row_mask(std::vector<set_t> &sets,
if (row_mask & LS_BITMASK(CL_SHIFT)) { return false; }
for (auto addr_pool : same_row_sets) {
if (stopped.load(std::memory_order_relaxed)) { return false; }
addr_tuple base_addr = addr_pool[0];
for (int i = 1; i < addr_pool.size(); i++) {
addr_tuple tmp = addr_pool[i];
@ -319,32 +320,28 @@ find_row_mask(std::vector<set_t> &sets,
std::atomic_bool found{false};
std::mutex lock;
std::queue<uint64_t> mask_task;
while (row_mask < last_mask) {
mask_task.push(row_mask);
row_mask = next_bit_permutation(row_mask);
}
// while (row_mask < last_mask) {
// row_mask = next_bit_permutation(row_mask);
// }
std::vector<std::thread> workers;
for (int i = 0; i < 8; ++i) {
workers.emplace_back([&] {
while (!found) {
uint64_t cur_mask;
uint64_t cur_mask = last_mask;
{
std::lock_guard<std::mutex> _(lock);
if (mask_task.empty()) { break; }
cur_mask = mask_task.front();
mask_task.pop();
verbose_printerr("[LOG] - Row mask: 0x%0lx \t\t bits: %s\n", cur_mask, bit_string(cur_mask));
cur_mask = row_mask;
if (row_mask >= last_mask) { break; }
row_mask = next_bit_permutation(row_mask);
verbose_printerr("[LOG] - Cur Row mask: 0x%0lx \t\t bits: %s\n", cur_mask, bit_string(cur_mask));
}
if (resolve(cur_mask, found)) {
std::lock_guard<std::mutex> _(lock);
if (!found.exchange(true)) {
row_mask = cur_mask;
while (!mask_task.empty()) mask_task.pop();
}
if (!found.exchange(true)) { row_mask = cur_mask; }
}
}
});