From b1f2af9577acb623316092dfcf8a468689d18239 Mon Sep 17 00:00:00 2001
From: Joscha <joscha@plugh.de>
Date: Fri, 30 Sep 2022 18:07:50 +0200
Subject: [PATCH] Use simd-json

---
 brood/.cargo/config.toml |   2 +
 brood/Cargo.lock         | 109 +++++++++++++++++++++++++++++++++++++++
 brood/Cargo.toml         |   1 +
 brood/src/ingest.rs      |   3 +-
 4 files changed, 114 insertions(+), 1 deletion(-)
 create mode 100644 brood/.cargo/config.toml

diff --git a/brood/.cargo/config.toml b/brood/.cargo/config.toml
new file mode 100644
index 0000000..ddff440
--- /dev/null
+++ b/brood/.cargo/config.toml
@@ -0,0 +1,2 @@
+[build]
+rustflags = ["-C", "target-cpu=native"]
diff --git a/brood/Cargo.lock b/brood/Cargo.lock
index 4eaac25..ae98952 100644
--- a/brood/Cargo.lock
+++ b/brood/Cargo.lock
@@ -2,6 +2,17 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "ahash"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
+dependencies = [
+ "getrandom",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -13,6 +24,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -26,8 +43,15 @@ dependencies = [
  "clap",
  "serde",
  "serde_json",
+ "simd-json",
 ]
 
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
 [[package]]
 name = "clap"
 version = "4.0.5"
@@ -65,6 +89,45 @@ dependencies = [
  "os_str_bytes",
 ]
 
+[[package]]
+name = "float-cmp"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98de4bbd547a563b716d8dfa9aad1cb19bfab00f4fa09a6a4ed21dbcf44ce9c4"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4eb1a864a501629691edf6c15a593b7a51eebaa1e8468e9ddc623de7c9b58ec6"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
+name = "halfbrown"
+version = "0.1.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce69ed202df415a3d4a01e6f3341320ca88b9bd4f0bf37be6fa239cdea06d9bf"
+dependencies = [
+ "hashbrown",
+ "serde",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+dependencies = [
+ "ahash",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.0"
@@ -92,6 +155,15 @@ version = "0.2.134"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "329c933548736bc49fd575ee68c89e8be4d260064184389a5b77517cddd99ffb"
 
+[[package]]
+name = "num-traits"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.15.0"
@@ -183,6 +255,25 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "simd-json"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9bd78b840b9de64fa3f7d72909b76343849f68e8c3d32608db8d38e4e5481f84"
+dependencies = [
+ "halfbrown",
+ "serde",
+ "serde_json",
+ "simdutf8",
+ "value-trait",
+]
+
+[[package]]
+name = "simdutf8"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f27f6278552951f1f2b8cf9da965d10969b2efdea95a6ec47987ab46edfe263a"
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -215,12 +306,30 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dcc811dc4066ac62f84f11307873c4850cb653bfa9b1719cee2bd2204a4bc5dd"
 
+[[package]]
+name = "value-trait"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0a635407649b66e125e4d2ffd208153210179f8c7c8b71c030aa2ad3eeb4c8f"
+dependencies = [
+ "float-cmp",
+ "halfbrown",
+ "itoa",
+ "ryu",
+]
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
diff --git a/brood/Cargo.toml b/brood/Cargo.toml
index 395ce7f..c0ba073 100644
--- a/brood/Cargo.toml
+++ b/brood/Cargo.toml
@@ -7,3 +7,4 @@ edition = "2021"
 clap = { version = "4.0.5", features = ["derive"] }
 serde = { version = "1.0.145", features = ["derive"] }
 serde_json = "1.0.85"
+simd-json = "0.6.0"
diff --git a/brood/src/ingest.rs b/brood/src/ingest.rs
index f96f84a..80699bc 100644
--- a/brood/src/ingest.rs
+++ b/brood/src/ingest.rs
@@ -18,7 +18,8 @@ pub fn ingest() -> io::Result<()> {
     let mut n_links = 0;
 
     for line in stdin.lines() {
-        let json_page = serde_json::from_str::<JsonPage>(&line?)?;
+        // let json_page = serde_json::from_str::<JsonPage>(&line?)?;
+        let json_page = simd_json::serde::from_str::<JsonPage>(&mut line?).unwrap();
 
         n_pages += 1;
         n_links += json_page.links.len();