initial commit

.gitignore

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+/target

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "disk-read-benchmark"
+version = "0.1.0"
+dependencies = [
+ "xxhash-rust",
+]
+
+[[package]]
+name = "xxhash-rust"
+version = "0.8.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a5cbf750400958819fb6178eaa83bee5cd9c29a26a40cc241df8c70fdd46984"

Cargo.toml

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+[package]
+name = "disk-read-benchmark"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+xxhash-rust = {version = "*", features = ["xxh3"]}

src/main.rs

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+use std::{
+    fs,
+    io::{BufReader, Read, Write},
+};
+use xxhash_rust::xxh3::xxh3_128;
+
+fn main() {
+    let filename = "/home/askiiart/whyy/testing/stuff-100M";
+    let mut stuff = fs::File::open(filename).unwrap();
+    let file_size: u64 = stuff.metadata().unwrap().len();
+
+    let mut buf = BufReader::new(stuff);
+    let mut out = fs::File::create("output").unwrap();
+
+    let mut data = [0; 16];
+    buf.read_exact(&mut data);
+    out.write(&xxh3_128(&data).to_be_bytes());
+    let mut location: u64 = 0;
+    while location <= file_size / 16 {
+        buf.read_exact(&mut data);
+        location += 1;
+        out.write(&xxh3_128(&data).to_be_bytes());
+    }
+}