Google code search uses an mmapped index of trigrams, in Go: https://code.google.com/p/codesearch/source/browse/index/mmap_linux.go https://code.google.com/p/c

Google code search uses an mmapped index of trigrams, in Go: https://code.google.com/p/codesearch/source/browse/index/mmap_linux.go https://code.google.com/p/codesearch/source/browse/index/mma... http://swtch.com/~rsc/regexp/regexp4.html http://swtch.com/~rsc/regexp/regexp4.html