~lobsters | Bookmarks (3)

Simple tests exFAT vs UDF on Flash Drive, performance, compatibility, just for fun.Large file: 1 x 1 GBSmall files: 10k x 1 KB = 10 MBTime Unit: minutes:seconds.second_decimalsWrite:Large file: 2:24.90Small files: 1:07.81Read:Large file: 0:41.06Small files: 0:14:25Delete:Large file: 0:00.90Small files: 0:22.27Write:...

Lately I’ve been helping a colleague to add worker threads to his GUI-based Windows application. Thread programming can be tricky. Here are a few things I’ve learned along the way. Performance. This app does compute-intensive work. It is helpful to offload this very compute-heavy work to a worker thread. Doing this ...

Currently people are discussing a slowdown bug on Codeforces that seems to happen randomly, and can cause code to run 100x slower and get TLE. More details in pajenegod's blog post.In this article, I present a mitigation: add the following to your code. #include <windows.h> void *operator new(size_t size) { if (void...