From ebe36382c830611e7ff8910950462d7bfb0b64e4 Mon Sep 17 00:00:00 2001 From: Kevin Caffrey Date: Wed, 6 Dec 2023 16:09:54 -0500 Subject: [PATCH] implement dhat heap profiling --- .gitignore | 3 + Cargo.lock | 349 +++++++++++++++++++++++++++++++++ Cargo.toml | 8 +- src/main.rs | 5 +- src/template/commands/solve.rs | 11 +- src/template/mod.rs | 4 + src/template/runner.rs | 9 +- 7 files changed, 384 insertions(+), 5 deletions(-) diff --git a/.gitignore b/.gitignore index e3b4aa2..3b6ae09 100644 --- a/.gitignore +++ b/.gitignore @@ -21,3 +21,6 @@ data/inputs/* !data/inputs/.keep data/puzzles/* !data/puzzles/.keep + +# Dhat +dhat-heap.json diff --git a/Cargo.lock b/Cargo.lock index e80576a..982cd09 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -2,15 +2,364 @@ # It is not intended for manual editing. version = 3 +[[package]] +name = "addr2line" +version = "0.21.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = 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@@ -20,6 +20,7 @@ mod args { day: Day, release: bool, time: bool, + dhat: bool, submit: Option, }, All { @@ -51,6 +52,7 @@ mod args { release: args.contains("--release"), submit: args.opt_value_from_str("--submit")?, time: args.contains("--time"), + dhat: args.contains("--dhat"), }, Some(x) => { eprintln!("Unknown command: {x}"); @@ -91,8 +93,9 @@ fn main() { day, release, time, + dhat, submit, - } => solve::handle(day, release, time, submit), + } => solve::handle(day, release, time, dhat, submit), }, }; } diff --git a/src/template/commands/solve.rs b/src/template/commands/solve.rs index c2c3d89..66771c0 100644 --- a/src/template/commands/solve.rs +++ b/src/template/commands/solve.rs @@ -2,10 +2,17 @@ use std::process::{Command, Stdio}; use crate::template::Day; -pub fn handle(day: Day, release: bool, time: bool, submit_part: Option) { +pub fn handle(day: Day, release: bool, time: bool, dhat: bool, submit_part: Option) { let mut cmd_args = vec!["run".to_string(), "--bin".to_string(), day.to_string()]; - if release { + if dhat { + cmd_args.extend([ + "--profile".to_string(), + "dhat".to_string(), + "--features".to_string(), + "dhat-heap".to_string(), + ]); + } else if release { cmd_args.push("--release".to_string()); } diff --git a/src/template/mod.rs b/src/template/mod.rs index 837fe97..4d84a72 100644 --- a/src/template/mod.rs +++ b/src/template/mod.rs @@ -52,6 +52,10 @@ macro_rules! solution { /// The current day. const DAY: $crate::template::Day = $crate::day!($day); + #[cfg(feature = "dhat-heap")] + #[global_allocator] + static ALLOC: dhat::Alloc = dhat::Alloc; + fn main() { use $crate::template::runner::*; let input = $crate::template::read_file("inputs", DAY); diff --git a/src/template/runner.rs b/src/template/runner.rs index 4b47332..021c9cd 100644 --- a/src/template/runner.rs +++ b/src/template/runner.rs @@ -31,7 +31,14 @@ fn run_timed( hook: impl Fn(&T), ) -> (T, Duration, u128) { let timer = Instant::now(); - let result = func(input.clone()); + let result = { + let input = input.clone(); + + #[cfg(feature = "dhat-heap")] + let _profiler = dhat::Profiler::new_heap(); + + func(input) + }; let base_time = timer.elapsed(); hook(&result);