feat: speed up PrefixRecord loading

Cargo.toml

@@ -23,7 +23,7 @@ tag-prefix = ""
 lto = true
 
 [workspace.dependencies]
-anyhow = "1.0.92"
+anyhow = "1.0.94"
 archspec = "0.1.3"
 assert_matches = "1.5.0"
 async-compression = { version = "0.4.17", features = [
@@ -33,27 +33,27 @@ async-compression = { version = "0.4.17", features = [
     "zstd",
 ] }
 async-fd-lock = "0.2.0"
-fs4 = "0.11.0"
+fs4 = "0.12.0"
 async-trait = "0.1.83"
 axum = { version = "0.7.7", default-features = false, features = [
     "tokio",
     "http1",
 ] }
 base64 = "0.22.1"
-bindgen = "0.69.5"
+bindgen = "0.71.1"
 blake2 = "0.10.6"
 bytes = "1.8.0"
-bzip2 = "0.4.4"
+bzip2 = "0.5.0"
 cache_control = "0.2.0"
 cfg-if = "1.0"
-chrono = { version = "0.4.38", default-features = false, features = [
+chrono = { version = "0.4.39", default-features = false, features = [
     "std",
     "serde",
     "alloc",
 ] }
-clap = { version = "4.5.20", features = ["derive"] }
+clap = { version = "4.5.23", features = ["derive"] }
 cmake = "0.1.51"
-console = { version = "0.15.8", features = ["windows-console-colors"] }
+console = { version = "0.15.10", features = ["windows-console-colors"] }
 criterion = "0.5"
 dashmap = "6.1.0"
 difference = "2.0.0"
@@ -74,11 +74,11 @@ google-cloud-auth = { version = "0.17.1", default-features = false }
 google-cloud-token = "0.1.2"
 hex = "0.4.3"
 hex-literal = "0.4.1"
-http = "1.1"
+http = "1.2"
 http-cache-semantics = "2.1.0"
 humansize = "2.1.3"
 humantime = "2.1.0"
-indexmap = "2.6.0"
+indexmap = "2.7.0"
 indicatif = "0.17.8"
 insta = { version = "1.41.1" }
 itertools = "0.13.0"
@@ -99,14 +99,15 @@ once_cell = "1.20.2"
 ouroboros = "0.18.4"
 parking_lot = "0.12.3"
 pathdiff = "0.2.2"
-pep440_rs = { version = "0.7.2" }
+pep440_rs = { version = "0.7.3" }
 pep508_rs = { version = "0.9.1" }
 percent-encoding = "2.3.1"
 pin-project-lite = "0.2.15"
 plist = "1"
 purl = { version = "0.1.3", features = ["serde"] }
 quote = "1.0.37"
 rand = "0.8.5"
+rayon = "1.10.0"
 reflink-copy = "0.1.20"
 regex = "1.11.1"
 reqwest = { version = "0.12.9", default-features = false }
@@ -118,7 +119,7 @@ rmp-serde = { version = "1.3.0" }
 rstest = { version = "0.23.0" }
 rstest_reuse = "0.7.0"
 simd-json = { version = "0.14.2", features = ["serde_impl"] }
-serde = { version = "1.0.214" }
+serde = { version = "1.0.216" }
 serde_json = { version = "1.0.132" }
 serde_repr = "0.1"
 serde-value = "0.7.0"
@@ -137,23 +138,23 @@ smallvec = { version = "1.13.2", features = [
 strum = { version = "0.26.3", features = ["derive"] }
 superslice = "1.0.0"
 syn = "2.0.86"
-sysinfo = "0.32.0"
+sysinfo = "0.33.0"
 tar = "0.4.42"
 tempdir = "0.3.7"
 tempfile = "3.13.0"
 temp-env = "0.3.6"
 test-log = "0.2.16"
-thiserror = "1.0"
-tokio = { version = "1.41.0", default-features = false }
-tokio-stream = "0.1.16"
-tokio-util = "0.7.12"
-tower = { version = "0.5.1", default-features = false }
+thiserror = "2.0"
+tokio = { version = "1.42.0", default-features = false }
+tokio-stream = "0.1.17"
+tokio-util = "0.7.13"
+tower = { version = "0.5.2", default-features = false }
 tower-http = { version = "0.6.1", default-features = false }
 tracing = "0.1.40"
 tracing-subscriber = { version = "0.3.18", default-features = false }
 tracing-test = { version = "0.2.5" }
 trybuild = { version = "1.0.101" }
-typed-path = { version = "0.9.3" }
+typed-path = { version = "0.10.0" }
 url = { version = "2.5.2" }
 uuid = { version = "1.11.0", default-features = false }
 walkdir = "2.5.0"

crates/rattler-bin/src/commands/create.rs

@@ -136,7 +136,7 @@ pub async fn create(opt: Opt) -> anyhow::Result<()> {
         .collect::<Result<Vec<_>, _>>()?;
 
     // Determine the packages that are currently installed in the environment.
-    let installed_packages = PrefixRecord::collect_from_prefix(&target_prefix)?;
+    let installed_packages = PrefixRecord::collect_from_prefix::<PrefixRecord>(&target_prefix)?;
 
     // For each channel/subdirectory combination, download and cache the
     // `repodata.json` that should be available from the corresponding Url. The

crates/rattler/src/install/clobber_registry.rs

@@ -696,7 +696,8 @@ mod tests {
                 ],
             );
 
-            let prefix_records = PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
+            let prefix_records: Vec<PrefixRecord> =
+                PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
 
             for record in prefix_records {
                 if record.repodata_record.package_record.name.as_normalized() == "clobber-1" {
@@ -878,7 +879,8 @@ mod tests {
 
         println!("== RUNNING UPDATE");
 
-        let mut prefix_records = PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
+        let mut prefix_records: Vec<PrefixRecord> =
+            PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
         prefix_records.sort_by(|a, b| {
             a.repodata_record
                 .package_record
@@ -974,7 +976,8 @@ mod tests {
             &["clobber.txt", "another-clobber.txt"],
         );
 
-        let mut prefix_records = PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
+        let mut prefix_records: Vec<PrefixRecord> =
+            PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
         prefix_records.sort_by(|a, b| {
             a.repodata_record
                 .package_record
@@ -1063,7 +1066,8 @@ mod tests {
             ],
         );
 
-        let mut prefix_records = PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
+        let mut prefix_records: Vec<PrefixRecord> =
+            PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
         prefix_records.sort_by(|a, b| {
             a.repodata_record
                 .package_record
@@ -1232,7 +1236,8 @@ mod tests {
         )
         .await;
 
-        let prefix_records = PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
+        let prefix_records: Vec<PrefixRecord> =
+            PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
 
         // remove one of the clobbering files
         let transaction = transaction::Transaction::<PrefixRecord, RepoDataRecord> {
@@ -1299,7 +1304,8 @@ mod tests {
         )
         .await;
 
-        let prefix_records = PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
+        let prefix_records: Vec<PrefixRecord> =
+            PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
 
         // remove one of the clobbering files
         let transaction = transaction::Transaction::<PrefixRecord, RepoDataRecord> {

crates/rattler/src/install/link_script.rs

@@ -282,7 +282,8 @@ mod tests {
         assert!(target_prefix.path().join("i-was-post-linked").exists());
 
         // unlink the package
-        let prefix_records = PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
+        let prefix_records: Vec<PrefixRecord> =
+            PrefixRecord::collect_from_prefix(target_prefix.path()).unwrap();
         let transaction = transaction::Transaction::<PrefixRecord, RepoDataRecord> {
             operations: vec![TransactionOperation::Remove(prefix_records[0].clone())],
             python_info: None,

crates/rattler_cache/Cargo.toml

@@ -29,7 +29,7 @@ url.workspace = true
 thiserror.workspace = true
 reqwest-middleware.workspace = true
 digest.workspace = true
-fs4 = { workspace = true, features = ["fs-err-tokio"] }
+fs4 = { workspace = true, features = ["fs-err3-tokio", "tokio"] }
 simple_spawn_blocking = { version = "1.0.0", path = "../simple_spawn_blocking", features = ["tokio"] }
 
 [dev-dependencies]

crates/rattler_conda_types/Cargo.toml

@@ -10,6 +10,9 @@ repository.workspace = true
 license.workspace = true
 readme.workspace = true
 
+[features]
+default = ["rayon"]
+
 [dependencies]
 chrono = { workspace = true }
 file_url = { path = "../file_url", version = "0.2.0" }
@@ -39,6 +42,8 @@ url = { workspace = true, features = ["serde"] }
 indexmap = { workspace = true }
 rattler_redaction = { version = "0.1.4", path = "../rattler_redaction" }
 dirs = { workspace = true }
+rayon = { workspace = true, optional = true }
+fs-err = { workspace = true }
 
 [dev-dependencies]
 rand = { workspace = true }

crates/rattler_conda_types/benches/prefix_record_from_path.rs

@@ -1,24 +1,65 @@
-use std::{fs, path::PathBuf};
+use rattler_conda_types::RecordFromPath;
+use std::{
+    fs::{self},
+    path::{Path, PathBuf},
+};
 
 use criterion::{black_box, criterion_group, criterion_main, Criterion};
-use rattler_conda_types::PrefixRecord;
+use rattler_conda_types::{PackageRecord, PrefixRecord};
 
-fn process_json_files_from_dir(dir: PathBuf) {
+fn process_json_files_from_dir(dir: &Path) {
     let entries = fs::read_dir(dir).expect("Directory not found");
 
     for entry in entries {
         let entry = entry.expect("Unable to read entry");
         let path = entry.path();
 
-        PrefixRecord::from_path(path).unwrap();
+        black_box(PrefixRecord::from_path(path).unwrap());
     }
 }
 
+fn load_as_prefix_record(dir: &Path) -> Vec<PrefixRecord> {
+    black_box(PrefixRecord::collect_from_prefix::<PrefixRecord>(dir).unwrap())
+}
+
+fn load_as_package_record(dir: &Path) -> Vec<PackageRecord> {
+    black_box(PrefixRecord::collect_from_prefix::<PackageRecord>(dir).unwrap())
+}
+
 fn criterion_benchmark(c: &mut Criterion) {
-    c.bench_function("process_json_files", |b| {
-        let manifest_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    let test_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../test-data/conda-meta");
+
+    let mut super_long_file: PrefixRecord =
+        PrefixRecord::from_path(test_dir.join("tk-8.6.13-h5083fa2_1.json")).unwrap();
+    // duplicate data until we have 20k paths
+    let files = super_long_file.files.clone();
+    while super_long_file.files.len() < 20_000 {
+        super_long_file.files.extend(files.clone());
+    }
+
+    let tempfile = tempfile::NamedTempFile::new().unwrap();
+    serde_json::to_writer(&tempfile, &super_long_file).unwrap();
+
+    c.bench_function("load_prefix_record_serially", |b| {
+        b.iter(|| {
+            process_json_files_from_dir(&test_dir);
+        });
+    });
+    c.bench_function("load_as_prefix_record", |b| {
+        b.iter(|| load_as_prefix_record(&test_dir));
+    });
+    c.bench_function("load_as_package_record", |b| {
+        b.iter(|| load_as_package_record(&test_dir));
+    });
+
+    let path = tempfile.path();
+    c.bench_function("load_long_prefix_record", |b| {
+        b.iter(|| black_box(PrefixRecord::from_path(path).unwrap()));
+    });
+
+    c.bench_function("load_long_package_record", |b| {
         b.iter(|| {
-            process_json_files_from_dir(black_box(manifest_dir.join("../../test-data/conda-meta")));
+            black_box(PackageRecord::from_path(path).unwrap());
         });
     });
 }

crates/rattler_conda_types/src/environment_yaml.rs

@@ -91,7 +91,7 @@ impl EnvironmentYaml {
     /// Reads the contents of a file at the given path and parses it as an
     /// `environment.yaml` file.
     pub fn from_path(path: &Path) -> std::io::Result<Self> {
-        let contents = std::fs::read_to_string(path)?;
+        let contents = fs_err::read_to_string(path)?;
         Self::from_yaml_str(&contents)
             .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))
     }
@@ -103,7 +103,7 @@ impl EnvironmentYaml {
 
     /// Write the contents of this `environment.yaml` file to the given path.
     pub fn to_path(&self, path: &Path) -> std::io::Result<()> {
-        std::fs::write(path, self.to_yaml_string())
+        fs_err::write(path, self.to_yaml_string())
     }
 
     /// Converts the contents of this `environment.yaml` file to a string.

crates/rattler_conda_types/src/explicit_environment_spec.rs

@@ -10,8 +10,9 @@
 //! To create an explicit environment file, you can use the `conda env export` command.
 
 use crate::{ParsePlatformError, Platform};
+use fs_err::{self as fs, File};
 use serde::{Deserialize, Serialize};
-use std::{fs, fs::File, io::Read, path::Path, str::FromStr};
+use std::{io::Read, path::Path, str::FromStr};
 use url::Url;
 
 /// An [`ExplicitEnvironmentSpec`] represents an explicit environment specification. Packages are

crates/rattler_conda_types/src/lib.rs

@@ -50,7 +50,8 @@ pub use repo_data::{
     compute_package_url,
     patches::{PackageRecordPatch, PatchInstructions, RepoDataPatch},
     sharded::{Shard, ShardedRepodata, ShardedSubdirInfo},
-    ChannelInfo, ConvertSubdirError, PackageRecord, RepoData, ValidatePackageRecordsError,
+    ChannelInfo, ConvertSubdirError, PackageRecord, RecordFromPath, RepoData,
+    ValidatePackageRecordsError,
 };
 pub use repo_data_record::RepoDataRecord;
 pub use run_export::RunExportKind;