wasphin commented on code in PR #2632:
URL: https://github.com/apache/brpc/pull/2632#discussion_r1597647990
##########
src/butil/thread_key.h:
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@@ -187,9 +205,9 @@ void ThreadLocal<T>::reset(T* ptr) {
}
// Remove and delete old_ptr.
if (old_ptr) {
- auto iter = std::find(ptrs.begin(), ptrs.end(), old_ptr);
- if (iter!=ptrs.end()) {
- ptrs.erase(iter);
+ auto iter = std::remove(ptrs.begin(), ptrs.end(), old_ptr);
+ if (iter != ptrs.end()) {
+ ptrs.erase(iter, ptrs.end());
Review Comment:
> remove后erase的时间复杂度是O(1)，find后erase的时间复杂度是O(n)，算是一点小优化吧。
这个提升是因为 remove 的时候的移动带来的吗？
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