Update doc/benchmarks.md for other Deflate impls
diff --git a/doc/benchmarks.md b/doc/benchmarks.md
index ef99ea0..872293e 100644
--- a/doc/benchmarks.md
+++ b/doc/benchmarks.md
@@ -148,6 +148,63 @@
mimic_deflate_decode_100k_many_big_reads 256MB/s 1.00x
+## Deflate (C, miniz)
+
+For comparison, here are [miniz](https://github.com/richgel999/miniz) 2.1.0's
+numbers.
+
+ name speed vs_mimic
+
+ miniz_deflate_decode_1k/clang8 174MB/s 0.80x
+ miniz_deflate_decode_10k/clang8 245MB/s 0.91x
+ miniz_deflate_decode_100k_just_one_read/clang8 309MB/s 0.94x
+
+ miniz_deflate_decode_1k/gcc9 158MB/s 0.73x
+ miniz_deflate_decode_10k/gcc9 221MB/s 0.82x
+ miniz_deflate_decode_100k_just_one_read/gcc9 250MB/s 0.76x
+
+To reproduce these numbers, look in `test/c/mimiclib/deflate-gzip-zlib.c`.
+
+
+## Deflate (Go)
+
+For comparison, here are Go 1.12.10's numbers, using Go's standard library's
+`compress/flate` package.
+
+ name speed vs_mimic
+
+ go_deflate_decode_1k 45.4MB/s 0.21x
+ go_deflate_decode_10k 82.5MB/s 0.31x
+ go_deflate_decode_100k 94.0MB/s 0.29x
+
+To reproduce these numbers:
+
+ git clone https://github.com/google/wuffs.git
+ cd wuffs/script/bench-go-deflate/
+ go run main.go
+
+
+## Deflate (Rust)
+
+For comparison, here are Rust 1.37.0's numbers, using the
+[alexcrichton/flate2-rs](https://github.com/alexcrichton/flate2-rs) and
+[Frommi/miniz_oxide](https://github.com/Frommi/miniz_oxide) crates, which [this
+file](https://github.com/sile/libflate/blob/77a1004edf6518a0badab7ce8837bc5338ff9bc3/README.md#an-informal-benchmark)
+suggests is the fastest pure-Rust Deflate decoder.
+
+ name speed vs_mimic
+
+ rust_deflate_decode_1k 104MB/s 0.48x
+ rust_deflate_decode_10k 202MB/s 0.75x
+ rust_deflate_decode_100k 218MB/s 0.66x
+
+To reproduce these numbers:
+
+ git clone https://github.com/google/wuffs.git
+ cd wuffs/script/bench-rust-deflate/
+ cargo run --release
+
+
# GIF
The `1k`, `10k`, etc. numbers are approximately how many pixels there are in
