perf(cargo): remove dhat dependency

Refs #294

Author: JamieMason

.gitignore

@@ -13,5 +13,4 @@ target/
 npm/packages
 
 # Benchmarks
-dhat-heap.json
 flamegraph.svg

Cargo.lock

@@ -17,7 +17,6 @@ clap = { version = "4.5.42", features = ["cargo"] }
 color-print = "0.3.7"
 colored = "3.0.0"
 ctor = "0.4.3"
-dhat = { version = "0.3", optional = true }
 env_logger = "0.11.8"
 glob = "0.3.2"
 globset = "0.4.16"
@@ -40,7 +39,6 @@ tokio = { version = "1", features = ["full"] }
 
 [features]
 default = []
-dhat-heap = ["dhat"]
 
 [profile.release]
 codegen-units = 1 # Reduce number of codegen units to increase optimizations

Cargo.toml

@@ -107,15 +107,6 @@ flamegraph:
     cd fixtures/fluid-framework
     CARGO_PROFILE_RELEASE_DEBUG=true cargo flamegraph -- list
 
-dhat:
-    #!/usr/bin/env bash
-    set -euxo pipefail
-
-    just build-profile-release
-    cd fixtures/fluid-framework
-    cargo run --release --features dhat-heap -- lint
-    echo "Memory profile saved to dhat-heap.json - view at https://nnethercote.github.io/dh_view/dh_view.html"
-
 # ==============================================================================
 # Test
 # ==============================================================================

justfile

@@ -14,10 +14,6 @@ use {
   visit_packages::visit_packages,
 };
 
-#[cfg(feature = "dhat-heap")]
-#[global_allocator]
-static ALLOC: dhat::Alloc = dhat::Alloc;
-
 #[cfg(test)]
 #[path = "test/test.rs"]
 mod test;
@@ -44,9 +40,6 @@ mod visit_packages;
 
 #[tokio::main]
 async fn main() {
-  #[cfg(feature = "dhat-heap")]
-  let _profiler = dhat::Profiler::new_heap();
-
   let cli = Cli::parse();
 
   logger::init(&cli);
@@ -107,8 +100,5 @@ async fn main() {
     }
   };
 
-  #[cfg(feature = "dhat-heap")]
-  drop(_profiler);
-
   exit(_exit_code);
 }