update bench

README.md

@@ -414,37 +414,37 @@ The Melody file extensions are `.mdy` and `.melody`
 
 ## Performance
 
-Last measured on v0.13.10
+Last measured on v0.19.0
 
 Measured on an 8 core 2021 MacBook Pro 14-inch, Apple M1 Pro using [criterion](https://github.com/bheisler/criterion.rs):
 
 - 8 lines:
 
   ```
   compiler/normal (8 lines)
-                          time:   [3.6734 us 3.6775 us 3.6809 us]
-  slope  [3.6734 us 3.6809 us] R^2            [0.9999393 0.9999460]
-  mean   [3.6726 us 3.6854 us] std. dev.      [3.8234 ns 15.619 ns]
-  median [3.6703 us 3.6833 us] med. abs. dev. [1.3873 ns 14.729 ns]
+                            time:   [4.0579 µs 4.0665 µs 4.0788 µs]
+  slope  [4.0579 µs 4.0788 µs] R^2            [0.9996538 0.9995633]
+  mean   [4.0555 µs 4.0806 µs] std. dev.      [11.018 ns 26.342 ns]
+  median [4.0500 µs 4.0852 µs] med. abs. dev. [5.6889 ns 35.806 ns]
   ```
 
 - 1M lines:
 
   ```
-  compiler/long input (1M lines)
-                          time:   [344.68 ms 346.83 ms 349.29 ms]
-  mean   [344.68 ms 349.29 ms] std. dev.      [1.4962 ms 4.9835 ms]
-  median [344.16 ms 350.06 ms] med. abs. dev. [407.85 us 6.3428 ms]
+  compiler/long input (1M lines) 
+                            time:   [400.97 ms 402.31 ms 403.53 ms]
+  mean   [400.97 ms 403.53 ms] std. dev.      [773.42 µs 2.9886 ms]
+  median [401.22 ms 403.39 ms] med. abs. dev. [59.042 µs 3.5129 ms]
   ```
 
 - Deeply nested:
 
   ```
-  compiler/deeply nested
-                          time:   [3.8017 us 3.8150 us 3.8342 us]
-  slope  [3.8017 us 3.8342 us] R^2            [0.9992078 0.9989523]
-  mean   [3.8158 us 3.8656 us] std. dev.      [8.8095 ns 65.691 ns]
-  median [3.8144 us 3.8397 us] med. abs. dev. [2.5630 ns 40.223 ns]
+  compiler/deeply nested  
+                            time:   [5.8085 µs 5.8291 µs 5.8514 µs]
+  slope  [5.8085 µs 5.8514 µs] R^2            [0.9992861 0.9992461]
+  mean   [5.8064 µs 5.8519 µs] std. dev.      [21.027 ns 49.152 ns]
+  median [5.7949 µs 5.8583 µs] med. abs. dev. [3.3348 ns 64.628 ns]
   ```
 
 To reproduce, run `cargo bench` or `cargo xtask benchmark`