top | item 46752057 I built a 2x faster lexer, then discovered I/O was the real bottleneck 2 points| p4bl0 | 1 month ago |modulovalue.com 2 comments order hn newest arter45|1 month ago >Memory-mapping the files made things worse due to the per-file mmap/munmap overheadCould you elaborate on this? p4bl0|1 month ago I'm not the author, I just shared this article I came across on Mastodon because it was an interesting read!I just found out it was already posted on HN by its author here: https://news.ycombinator.com/item?id=46693460I don't know why HN let me post the same link less than two hours after it was already posted. Usually when this happens I'm redirected to the existing post and it is automatically upvoted, which I think is a nice behavior.
arter45|1 month ago >Memory-mapping the files made things worse due to the per-file mmap/munmap overheadCould you elaborate on this? p4bl0|1 month ago I'm not the author, I just shared this article I came across on Mastodon because it was an interesting read!I just found out it was already posted on HN by its author here: https://news.ycombinator.com/item?id=46693460I don't know why HN let me post the same link less than two hours after it was already posted. Usually when this happens I'm redirected to the existing post and it is automatically upvoted, which I think is a nice behavior.
p4bl0|1 month ago I'm not the author, I just shared this article I came across on Mastodon because it was an interesting read!I just found out it was already posted on HN by its author here: https://news.ycombinator.com/item?id=46693460I don't know why HN let me post the same link less than two hours after it was already posted. Usually when this happens I'm redirected to the existing post and it is automatically upvoted, which I think is a nice behavior.
arter45|1 month ago
Could you elaborate on this?
p4bl0|1 month ago
I just found out it was already posted on HN by its author here: https://news.ycombinator.com/item?id=46693460
I don't know why HN let me post the same link less than two hours after it was already posted. Usually when this happens I'm redirected to the existing post and it is automatically upvoted, which I think is a nice behavior.