From 4d293003964c8f9fabadb1ceb77eab29c0438de3 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 24 Aug 2018 18:32:48 +0300
Subject: perf-info

---
 README.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'README.md')

diff --git a/README.md b/README.md
index a93dc8767..8f676a86b 100644
--- a/README.md
+++ b/README.md
@@ -110,6 +110,18 @@ Code-gen tasks, used to develop libsyntax2:
 VS Code plugin
 
 
+## Performance
+
+Non-incremental, but seems pretty fast:
+
+```
+$ cargo build --release --package cli
+$ wc -l ~/projects/rust/src/libsyntax/parse/parser.rs
+7546 /home/matklad/projects/rust/src/libsyntax/parse/parser.rs
+$ ./target/release/cli parse < ~/projects/rust/src/libsyntax/parse/parser.rs --no-dump  > /dev/null
+parsing: 21.067065ms
+```
+
 ## Getting in touch
 
 @matklad can be found at Rust
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