revsqrt has a bin, upload older rust demos

Cargo.lock

@@ -11,6 +11,21 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anes"
 version = "0.1.6"
@@ -47,12 +62,36 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
+[[package]]
+name = "cc"
+version = "1.0.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "serde",
+ "wasm-bindgen",
+ "windows-targets 0.48.5",
+]
+
 [[package]]
 name = "ciborium"
 version = "0.2.1"
@@ -105,6 +144,12 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
 
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
+
 [[package]]
 name = "criterion"
 version = "0.5.1"
@@ -201,6 +246,29 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.59"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6a67363e2aa4443928ce15e57ebae94fd8949958fd1223c4cfc0cd473ad7539"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "is-terminal"
 version = "0.4.10"
@@ -424,6 +492,15 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "serde-json-demo"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "serde_derive"
 version = "1.0.195"
@@ -446,6 +523,19 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "slog"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8347046d4ebd943127157b94d63abb990fcf729dc4e9978927fdf4ac3c998d06"
+
+[[package]]
+name = "slog-demo"
+version = "0.1.0"
+dependencies = [
+ "slog",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.48"
@@ -578,13 +668,37 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-core"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
+dependencies = [
+ "windows-targets 0.52.0",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.52.0",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
 ]
 
 [[package]]
@@ -593,51 +707,93 @@ version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
 dependencies = [
- "windows_aarch64_gnullvm",
+ "windows_aarch64_gnullvm 0.52.0",
- "windows_aarch64_msvc",
+ "windows_aarch64_msvc 0.52.0",
- "windows_i686_gnu",
+ "windows_i686_gnu 0.52.0",
- "windows_i686_msvc",
+ "windows_i686_msvc 0.52.0",
- "windows_x86_64_gnu",
+ "windows_x86_64_gnu 0.52.0",
- "windows_x86_64_gnullvm",
+ "windows_x86_64_gnullvm 0.52.0",
- "windows_x86_64_msvc",
+ "windows_x86_64_msvc 0.52.0",
 ]
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.52.0"

Cargo.toml

@@ -1,12 +1,17 @@
 [workspace]
-publish = false
 members = [
-	".", "members/criterion_ex",
+	".",
+	"members/criterion_ex",
 	"members/revsqrt",
+	"members/serde-json-demo",
+	"members/slog-demo",
 ]
 default-members = [
 	".",
+	"members/criterion_ex",
 	"members/revsqrt",
+	"members/serde-json-demo",
+	"members/slog-demo",
 ]
 
 [package]

members/revsqrt/Cargo.toml

@@ -9,3 +9,11 @@ criterion = "0.5.1"
 [[bench]]
 name = "rsqrt-bench"
 harness = false 	# disable standard harness
+
+[lib]
+name = "revsqrt"
+path = "src/lib.rs"
+
+[[bin]]
+name = "revsqrt"
+path = "src/main.rs"

members/revsqrt/benches/rsqrt-bench.rs

@@ -1,9 +1,10 @@
-#![allow(unused)]
+use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
-use criterion::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
 use revsqrt::{fast_inverse_sqrt, regular_inverse_sqrt};
+
 const SIZE: f32 = 1337.1337;
 const FCONST: f32 = 1024.12481224;
 const FCONST1: f32 = 4025.724812234;
+
 pub fn single_input(c: &mut Criterion) {
     c.bench_with_input(BenchmarkId::new("regular rsqrt", SIZE), &SIZE, |b, &s| {
         b.iter(|| regular_inverse_sqrt(s))

members/revsqrt/src/main.rs

@@ -0,0 +1,37 @@
+use std::process::exit;
+
+use revsqrt::*;
+
+fn main() {
+    let args: Vec<String> = std::env::args().collect::<Vec<String>>();
+    if args.len() != 2 {
+        usage(&args[0]);
+        exit(1);
+    }
+    let n: f32 = match args[1].parse() {
+        Ok(n) => n,
+        Err(err) => {
+            eprintln!("could not parse: {err}\n");
+            usage(&args[0]);
+            exit(1);
+        }
+    };
+
+    let mut start = std::time::Instant::now();
+    let rr = regular_inverse_sqrt(n);
+    let rdur = start.elapsed();
+
+    start = std::time::Instant::now();
+    let fr = fast_inverse_sqrt(n);
+    let fdur = start.elapsed();
+
+    println!("regular\tinverse square root of {n}: {rr}\t(took {rdur:?})\n\
+    fast   \tinverse square root of {n}: {fr}\t(took {fdur:?})\n\n\
+    The timings are not accurate. Benchmarks show ~170 ps for each.\n\
+    The CPU has a instruction for sqrt, and 1/x is simple division, so\n\
+    an algorithm like fast inverse square root can hardly be faster.");
+}
+
+fn usage(invocation: &str) {
+    println!("usage:\n\n{invocation} NUMBER # (i.e. 1.3)");
+}

members/serde-json-demo/.gitignore

@@ -0,0 +1 @@
+/target

members/serde-json-demo/Cargo.lock

@@ -0,0 +1,369 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
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+ "libc",
+]
+
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+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "serde",
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+ "wasm-bindgen",
+ "winapi",
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+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows",
+]
+
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+]
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members/serde-json-demo/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "serde-json-demo"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+chrono = { version = "0.4.26", features = ["serde"] }
+serde = { version = "1.0.171", features = ["derive"] }
+serde_json = "1.0.102"

members/serde-json-demo/src/main.rs

@@ -0,0 +1,41 @@
+use chrono;
+use serde::{Deserialize, Serialize};
+use serde_json;
+
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
+#[serde(rename_all = "UPPERCASE")]
+struct Foo {
+    name: String,
+    q: Qux,
+    t: chrono::DateTime<chrono::Utc>,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
+#[serde(rename_all = "UPPERCASE")]
+struct Qux {
+    i: i64,
+    b: bool,
+    j: serde_json::Value,
+}
+
+fn main() {
+    let qj = r#"{
+        "some Key": [1, 2, 3],
+        "deep": {
+            "m": true
+        }
+    }"#;
+    let foo = Foo {
+        name: String::from("foo"),
+        q: Qux {
+            i: 19,
+            b: false,
+            j: serde_json::from_str(qj).unwrap(),
+        },
+        t: chrono::offset::Utc::now(),
+    };
+    let foostr = serde_json::to_string(&foo).unwrap();
+    println!("foo:\n\n{}", foostr);
+    let foo2: Foo = serde_json::from_str(&foostr).unwrap();
+    println!("same?: {}", foo == foo2);
+}

members/slog-demo/.gitignore

@@ -0,0 +1 @@
+/target

members/slog-demo/Cargo.lock

@@ -0,0 +1,16 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
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+
+[[package]]
+name = "slog-demo"
+version = "0.1.0"
+dependencies = [
+ "slog",
+]

members/slog-demo/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "slog-demo"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+slog = "2.7.0"

members/slog-demo/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}