This is not backed by benchmarks, but it seems reasonable that we'd be
more starved for cache than CPU in IO-bound tasks. It also simplifies
code a bit and frees up some memory, which is probably a good thing.

Vectorize string parsing

    warning: this expression creates a reference which is immediately dereferenced by the compiler
        --> tests/test.rs:2515:9
         |
    2515 |         &"\"\t\n\r\"",
         |         ^^^^^^^^^^^^^ help: change this to: `"\"\t\n\r\""`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
         = note: `-W clippy::needless-borrow` implied by `-W clippy::all`
         = help: to override `-W clippy::all` add `#[allow(clippy::needless_borrow)]`