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+This directory contains updated benchmarks as of 2018-01-08. They were captured
+via the benchsuite script at `benchsuite/benchsuite` from the root of this
+repository. The command that was run:
+
+    ./benchsuite \
+      --dir /tmp/benchsuite \
+      --raw runs/2018-01-08-archlinux-cheetah/raw.csv \
+      --warmup-iter 1 \
+      --bench-iter 5
+
+These results are most directly comparable to the
+`2016-09-22-archlinux-cheetah` run in the parent directory.
+
+The versions of each tool are as follows:
+
+```
+$ grep -V
+grep (GNU grep) 3.1
+
+$ ag -V
+ag version 2.1.0
+Features:
+  +jit +lzma +zlib
+
+$ sift -V
+sift 0.8.0 (linux/amd64)
+built from commit 2ca94717 (which seems to be 0.9.0)
+
+$ pt --version
+pt version 2.1.4
+
+$ ucg -V
+UniversalCodeGrep 0.3.3
+[...]
+Build info
+
+Repo version: 0.3.3-251-g9b5a3e3
+
+Compiler info:
+ Name ($(CXX)): "g++ -std=gnu++1z"
+ Version string: "g++ (GCC) 7.2.1 20171224"
+
+ISA extensions in use:
+ sse4.2: yes
+ popcnt: yes
+
+libpcre info:
+ Not linked against libpcre.
+
+libpcre2-8 info:
+ Version: 10.30 2017-08-14
+ JIT support built in?: yes
+ JIT target architecture: x86 64bit (little endian + unaligned)
+ Newline style: LF
+```
+
+The version of ripgrep was compiled from source on commit 85d463c0, with the
+simd-accel and avx-accel features enabled:
+
+```
+export RUSTFLAGS="-C target-cpu=native"
+cargo build --release --features 'simd-accel avx-accel'
+```