mentat/tx-parser/benches2.txt
Nick Alexander cbffe5e545 Use rust-peg for tx parsing.
There are few reasons to do this:

- it's difficult to add symbol interning to combine-based parsers like
  tx-parser -- literally every type changes to reflect the interner,
  and that means every convenience macro we've built needs to chagne.
  It's trivial to add interning to rust-peg-based parsers.

- combine has rolled forward to 3.2, and I spent a similar amount of
  time investigating how to upgrade tx-parser (to take advantage of
  the new parser! macros in combine that I think are necessary for
  adapting to changing types) as I did just converting to rust-peg.

- it's easy to improve the error messages in rust-peg, where-as I have
  tried twice to improve the nested error messages in combine and am
  stumped.

- it's roughly 4x faster to parse strings directly as opposed to
  edn::ValueAndSpan, and it'll be even better when we intern directly.
2018-05-10 10:24:05 -07:00

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running 5 tests
test tests::test_add ... ignored
test tests::test_lookup_ref ... ignored
test tests::test_map_notation ... ignored
test tests::test_nested_vector ... ignored
test tests::test_retract ... ignored
test result: ok. 0 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out
running 3 tests
test bench_parse1 ... bench: 2,799 ns/iter (+/- 801)
test bench_parse2 ... bench: 191,856 ns/iter (+/- 19,331)
test bench_parse3 ... bench: 53,925 ns/iter (+/- 10,299)
test result: ok. 0 passed; 0 failed; 0 ignored; 3 measured; 0 filtered out