Version 2.1.7

shssoichiro · Nov 28, 2018 · 565d08e · 565d08e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,9 @@
+### Version 2.1.7
+ - 80x faster palette reduction ([#150](https://github.com/shssoichiro/oxipng/pull/150))
+ - Optimize RGB to palette conversion ([#148](https://github.com/shssoichiro/oxipng/pull/148))
+ - Various microoptimizations ([#146](https://github.com/shssoichiro/oxipng/pull/146))
+ - Introduce third-party safe wrapper around cloudflare-zlib ([#149](https://github.com/shssoichiro/oxipng/pull/149))
+
 ### Version 2.1.6
  - Identify and drop useless sRGB profiles ([#143](https://github.com/shssoichiro/oxipng/pull/143))
  - Alpha heuristic improvements ([#144](https://github.com/shssoichiro/oxipng/pull/144))

diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -14,7 +14,7 @@ homepage = "https://github.com/shssoichiro/oxipng"
 license = "MIT"
 name = "oxipng"
 repository = "https://github.com/shssoichiro/oxipng"
-version = "2.1.6"
+version = "2.1.7"
 
 [badges]
 travis-ci = { repository = "shssoichiro/oxipng", branch = "master" }

diff --git a/README.md b/README.md
@@ -94,29 +94,29 @@ Oxipng is open-source software, distributed under the MIT license.
 
 ## Benchmarks
 
-Tested oxipng 2.1.6 (compiled on rustc 1.30.1 (1433507eb 2018-11-07)) against OptiPNG version 0.7.7 on Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz with 8 logical cores
+Tested oxipng 2.1.7 (compiled on rustc 1.30.1 (1433507eb 2018-11-07)) against OptiPNG version 0.7.7 on Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz with 8 logical cores
 
 
 
 Benchmark #1: ./target/release/oxipng -P ./tests/files/rgb_16_should_be_grayscale_8.png
-  Time (mean ± σ):     103.7 ms ±   1.9 ms    [User: 178.2 ms, System: 24.1 ms]
-  Range (min … max):    99.7 ms … 107.2 ms
+  Time (mean ± σ):     104.5 ms ±   2.0 ms    [User: 169.4 ms, System: 23.9 ms]
+  Range (min … max):   101.3 ms … 108.9 ms
 
 Benchmark #2: optipng -simulate ./tests/files/rgb_16_should_be_grayscale_8.png
-  Time (mean ± σ):     275.4 ms ±   4.2 ms    [User: 274.8 ms, System: 0.6 ms]
-  Range (min … max):   268.7 ms … 284.2 ms
+  Time (mean ± σ):     272.3 ms ±   3.1 ms    [User: 271.3 ms, System: 1.1 ms]
+  Range (min … max):   269.1 ms … 278.6 ms
 
 Summary
   './target/release/oxipng -P ./tests/files/rgb_16_should_be_grayscale_8.png' ran
-    2.66 ± 0.06 times faster than 'optipng -simulate ./tests/files/rgb_16_should_be_grayscale_8.png'
+    2.60 ± 0.06 times faster than 'optipng -simulate ./tests/files/rgb_16_should_be_grayscale_8.png'
 Benchmark #1: ./target/release/oxipng -o4 -P ./tests/files/rgb_16_should_be_grayscale_8.png
-  Time (mean ± σ):     128.4 ms ±   4.7 ms    [User: 415.7 ms, System: 26.0 ms]
-  Range (min … max):   121.0 ms … 138.5 ms
+  Time (mean ± σ):     128.1 ms ±   4.1 ms    [User: 404.8 ms, System: 27.3 ms]
+  Range (min … max):   123.1 ms … 140.4 ms
 
 Benchmark #2: optipng -o 4 -simulate ./tests/files/rgb_16_should_be_grayscale_8.png
-  Time (mean ± σ):     923.1 ms ±   6.0 ms    [User: 919.4 ms, System: 3.1 ms]
-  Range (min … max):   914.7 ms … 930.2 ms
+  Time (mean ± σ):     914.8 ms ±   3.7 ms    [User: 913.2 ms, System: 1.2 ms]
+  Range (min … max):   910.5 ms … 923.7 ms
 
 Summary
   './target/release/oxipng -o4 -P ./tests/files/rgb_16_should_be_grayscale_8.png' ran
-    7.19 ± 0.26 times faster than 'optipng -o 4 -simulate ./tests/files/rgb_16_should_be_grayscale_8.png'
+    7.14 ± 0.23 times faster than 'optipng -o 4 -simulate ./tests/files/rgb_16_should_be_grayscale_8.png'