"Really though, sift and ag are trying to solve different problems. [...] sift is meant to be more of a grep replacement." This is true, and it's too bad that

"Really though, sift and ag are trying to solve different problems. [...] sift is meant to be more of a grep replacement." This is true, and it's too bad that the optimistic benchmarks featured in the sift web page invite the discussion to center around performance, which is not sift's particular strength.