rames

4 ms·

1. 1.▲
   GNU grep vs git grep vs jrep(coreperf.com)

   3 points by rames 12y ago|0 comments
2. 2.▲
   More grep vs rejit benchmarks(coreperf.com)

   5 points by rames 13y ago|0 comments
3. 3.▲
   by rames 13y ago

   Note that I didn't chose the worst case for grep. But probably not the best either. First thing I tried just now: $ time grep -R "yoyo\|regexp" linux-3.10.6 > /dev/null real 0m2.138s user 0m1.875s sys 0m0.252s $
4. 4.▲
   by rames 13y ago

   Anything working yet ? SSE4.2 is not mandatory. Rejit works without it as well (SSE support detected dynamically), it just gives excellent performance with a relatively simple implementation. Support for earlier versions of SSE can easily b
5. 5.▲
   by rames 13y ago

   Support for backreferences can be added without making the whole engine backtracking. See more detailed comments at: https://plus.google.com/114767693573247408592/posts/ZeUHc7ro... Edit: So we can keep the best of
6. 6.▲
   Rejit - prototype of a non-backtracking, just-in-time, SIMD-able regexp compiler(coreperf.com)

   81 points by rames 13y ago|18 comments
7. 7.▲
   by rames 15y ago

   I don't like the idea of excluding all comments from the code. However excluding useless or local comments from a repository can be legitimate. Two potential solutions: 1) Use a regexp to match your comments and trim your code before commit