benchmarks

This commit is contained in:
nora 2023-12-03 14:52:38 +01:00
parent 5dff963dc2
commit 546149ae38
16 changed files with 517 additions and 188 deletions

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@ -7,3 +7,8 @@ edition = "2021"
[dependencies]
helper.workspace = true
divan.workspace = true
[[bench]]
name = "benches"
harness = false

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@ -0,0 +1,3 @@
fn main() {
day1::bench();
}

83
2023/day1/src/lib.rs Normal file
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@ -0,0 +1,83 @@
use std::mem::MaybeUninit;
use helper::{Day, Variants};
mod branchless;
mod naive;
mod no_lines;
mod vectorized;
mod zero_alloc;
pub fn main() {
helper::main::<Day1>(include_str!("../input.txt"));
}
struct Day1;
helper::define_variants! {
day => crate::Day1;
part1 {
basic => crate::part1;
}
part2 {
naive => crate::naive::part2;
zero_alloc => crate::zero_alloc::part2;
branchless => |i| unsafe { crate::branchless::part2(i) };
no_lines => |i| unsafe { crate::no_lines::part2(i) };
vectorized => |i| unsafe { crate::vectorized::part2(i) };
}
}
impl Day for Day1 {
fn pad_input(input: &str) -> std::borrow::Cow<str> {
let mut input = input.to_owned();
input.reserve(10); // enough to read u64
unsafe {
input
.as_mut_vec()
.spare_capacity_mut()
.fill(MaybeUninit::new(0))
};
std::borrow::Cow::Owned(input)
}
fn part1() -> Variants {
part1_variants!(construct_variants)
}
fn part2() -> Variants {
part2_variants!(construct_variants)
}
}
fn part1(input: &str) -> u64 {
let sum = input
.lines()
.map(|line| {
let mut chars = line.chars().filter(|c| c.is_ascii_digit());
let first = chars.next().unwrap();
let last = chars.next_back().unwrap_or(first);
[first, last]
.into_iter()
.collect::<String>()
.parse::<u64>()
.unwrap()
})
.sum::<u64>();
sum
}
helper::tests! {
day1 Day1;
part1 {
"../input_small1.txt" => 142;
"../input.txt" => 54632;
}
part2 {
"../input_small2.txt" => 281;
"../input.txt" => 54019;
}
}
helper::benchmarks! {}

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@ -1,75 +1,3 @@
use std::mem::MaybeUninit;
use helper::{Day, Variant, Variants};
mod branchless;
mod naive;
mod no_lines;
mod vectorized;
mod zero_alloc;
fn main() {
helper::main::<Day1>(include_str!("../input.txt"));
}
struct Day1;
impl Day for Day1 {
fn pad_input(input: &str) -> std::borrow::Cow<str> {
let mut input = input.to_owned();
input.reserve(10); // enough to read u64
unsafe {
input
.as_mut_vec()
.spare_capacity_mut()
.fill(MaybeUninit::new(0))
};
std::borrow::Cow::Owned(input)
}
fn part1() -> Variants {
Variants::basic(part1)
}
fn part2() -> Variants {
Variants {
variants: vec![
Variant::new("naive", naive::part2),
Variant::new("zero_alloc", zero_alloc::part2),
Variant::new("branchless", |i| unsafe { branchless::part2(i) }),
Variant::new("no_lines", |i| unsafe { no_lines::part2(i) }),
Variant::new("vectorized", |i| unsafe { vectorized::part2(i) }),
],
}
}
}
fn part1(input: &str) -> u64 {
let sum = input
.lines()
.map(|line| {
let mut chars = line.chars().filter(|c| c.is_ascii_digit());
let first = chars.next().unwrap();
let last = chars.next_back().unwrap_or(first);
[first, last]
.into_iter()
.collect::<String>()
.parse::<u64>()
.unwrap()
})
.sum::<u64>();
sum
}
helper::tests! {
day1 Day1;
part1 {
"../input_small1.txt" => 142;
"../input.txt" => 54632;
}
part2 {
"../input_small2.txt" => 281;
"../input.txt" => 54019;
}
day1::main();
}

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@ -8,3 +8,8 @@ edition = "2021"
[dependencies]
nom.workspace = true
helper.workspace = true
divan.workspace = true
[[bench]]
name = "benches"
harness = false

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@ -0,0 +1,3 @@
fn main() {
day2::bench();
}

113
2023/day2/src/lib.rs Normal file
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@ -0,0 +1,113 @@
use helper::Day;
use nom::{
branch::alt,
bytes::complete::tag,
combinator::{all_consuming, map},
multi::separated_list0,
sequence::{preceded, tuple},
Finish, IResult,
};
pub fn main() {
helper::main::<Day2>(include_str!("../input.txt"));
}
struct Day2;
helper::define_variants! {
day => crate::Day2;
part1 {
basic => crate::part1;
}
part2 {
basic => crate::part2;
}
}
impl Day for Day2 {
fn part1() -> helper::Variants {
part1_variants!(construct_variants)
}
fn part2() -> helper::Variants {
part2_variants!(construct_variants)
}
}
#[derive(Debug, Clone, Copy)]
enum Color {
Red = 0,
Green = 1,
Blue = 2,
}
fn parse_line(line: &str) -> (u64, Vec<Vec<(u64, Color)>>) {
let parse_color = |i| -> IResult<&str, Color> {
alt((
map(tag("blue"), |_| Color::Blue),
map(tag("red"), |_| Color::Red),
map(tag("green"), |_| Color::Green),
))(i)
};
let parse_cubes = tuple((helper::integer, preceded(tag(" "), parse_color)));
let parse_round = separated_list0(tag(", "), parse_cubes);
let parse_game = separated_list0(tag("; "), parse_round);
let parse_line = tuple((
preceded(tag("Game "), helper::integer),
preceded(tag(": "), parse_game),
));
all_consuming(parse_line)(line).finish().unwrap().1
}
fn part1(input: &str) -> u64 {
const MAX: [u64; 3] = [12, 13, 14];
input
.lines()
.filter_map(|line| {
let line = parse_line(line);
for round in line.1 {
for (amount, color) in round {
if MAX[color as usize] < amount {
return None;
}
}
}
Some(line.0)
})
.sum()
}
fn part2(input: &str) -> u64 {
input
.lines()
.map(|line| {
let line = parse_line(line);
let mut min = [0, 0, 0];
for round in line.1 {
for (amount, color) in round {
min[color as usize] = min[color as usize].max(amount);
}
}
let power = min[0] * min[1] * min[2];
power
})
.sum()
}
helper::tests! {
day2 Day2;
part1 {
small => 8;
default => 1931;
}
part2 {
small => 2286;
default => 83105;
}
}
helper::benchmarks! {}

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@ -1,101 +1,3 @@
use helper::{Day, Variants};
use nom::{
branch::alt,
bytes::complete::tag,
combinator::{all_consuming, map},
multi::separated_list0,
sequence::{preceded, tuple},
Finish, IResult,
};
fn main() {
helper::main::<Day2>(include_str!("../input.txt"));
}
struct Day2;
impl Day for Day2 {
fn part1() -> helper::Variants {
Variants::basic(part1)
}
fn part2() -> helper::Variants {
Variants::basic(part2)
}
}
#[derive(Debug, Clone, Copy)]
enum Color {
Red = 0,
Green = 1,
Blue = 2,
}
fn parse_line(line: &str) -> (u64, Vec<Vec<(u64, Color)>>) {
let parse_color = |i| -> IResult<&str, Color> {
alt((
map(tag("blue"), |_| Color::Blue),
map(tag("red"), |_| Color::Red),
map(tag("green"), |_| Color::Green),
))(i)
};
let parse_cubes = tuple((helper::integer, preceded(tag(" "), parse_color)));
let parse_round = separated_list0(tag(", "), parse_cubes);
let parse_game = separated_list0(tag("; "), parse_round);
let parse_line = tuple((
preceded(tag("Game "), helper::integer),
preceded(tag(": "), parse_game),
));
all_consuming(parse_line)(line).finish().unwrap().1
}
fn part1(input: &str) -> u64 {
const MAX: [u64; 3] = [12, 13, 14];
input
.lines()
.filter_map(|line| {
let line = parse_line(line);
for round in line.1 {
for (amount, color) in round {
if MAX[color as usize] < amount {
return None;
}
}
}
Some(line.0)
})
.sum()
}
fn part2(input: &str) -> u64 {
input
.lines()
.map(|line| {
let line = parse_line(line);
let mut min = [0, 0, 0];
for round in line.1 {
for (amount, color) in round {
min[color as usize] = min[color as usize].max(amount);
}
}
let power = min[0] * min[1] * min[2];
power
})
.sum()
}
helper::tests! {
day2 Day2;
part1 {
small => 8;
default => 1931;
}
part2 {
small => 2286;
default => 83105;
}
day2::main();
}

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@ -8,3 +8,8 @@ edition = "2021"
[dependencies]
nom.workspace = true
helper.workspace = true
divan.workspace = true
[[bench]]
name = "benches"
harness = false

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@ -0,0 +1,3 @@
fn main() {
day3::bench();
}

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@ -1,20 +1,30 @@
use std::collections::HashMap;
use helper::{Day, Variants};
use helper::Day;
fn main() {
pub fn main() {
helper::main::<Day3>(include_str!("../input.txt"));
}
struct Day3;
helper::define_variants! {
day => crate::Day3;
part1 {
basic => crate::part1;
}
part2 {
basic => crate::part2;
}
}
impl Day for Day3 {
fn part1() -> Variants {
Variants::basic(part1)
fn part1() -> helper::Variants {
part1_variants!(construct_variants)
}
fn part2() -> Variants {
Variants::basic(part2)
fn part2() -> helper::Variants {
part2_variants!(construct_variants)
}
}
@ -128,3 +138,5 @@ helper::tests! {
default => 81939900;
}
}
helper::benchmarks! {}

3
2023/day3/src/mainrs Normal file
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@ -0,0 +1,3 @@
fn main() {
day3::main();
}