Vim, vimgrep, and file caching

My entire source code base is < 20MB. I want it all loaded in memory in the background. So that when I do vimgrep **/*.cpp **/*.cxx **/*.hpp , it doesn't ahve to 开发者_开发技巧do file IO since vim has loaded all the files into memory already.

How can I achieve this?

Thakns!

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If a file is already loaded into a buffer when you do :vimgrep then vim will search the buffer instead of the file on disk, so you could start vim with all the files on the command line:

$ vim *.cpp *.cxx *.hpp
... vim loads...
:vimgrep /stuff/ *.cpp *.hpp

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copy your files to a ramfs partition (volatile) and do your thing there. and don't forget to copy the processed files back to a non-volatile partition