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perf: parse source files in parallel (#23858)

This commit is contained in:
David Sherret 2024-05-28 16:23:11 -04:00 committed by GitHub
parent 3e8f29ae41
commit 57617af16a
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GPG key ID: B5690EEEBB952194
3 changed files with 19 additions and 10 deletions

View file

@ -7,7 +7,6 @@ use deno_ast::ModuleSpecifier;
use deno_core::error::AnyError;
use deno_core::serde_json;
use deno_graph::ModuleInfo;
use deno_graph::ModuleParser;
use deno_graph::ParserModuleAnalyzer;
use deno_runtime::deno_webstorage::rusqlite::params;
@ -15,6 +14,7 @@ use super::cache_db::CacheDB;
use super::cache_db::CacheDBConfiguration;
use super::cache_db::CacheFailure;
use super::FastInsecureHasher;
use super::ParsedSourceCache;
const SELECT_MODULE_INFO: &str = "
SELECT
@ -136,18 +136,18 @@ impl ModuleInfoCache {
pub fn as_module_analyzer<'a>(
&'a self,
parser: &'a dyn ModuleParser,
parsed_source_cache: &'a Arc<ParsedSourceCache>,
) -> ModuleInfoCacheModuleAnalyzer<'a> {
ModuleInfoCacheModuleAnalyzer {
module_info_cache: self,
parser,
parsed_source_cache,
}
}
}
pub struct ModuleInfoCacheModuleAnalyzer<'a> {
module_info_cache: &'a ModuleInfoCache,
parser: &'a dyn ModuleParser,
parsed_source_cache: &'a Arc<ParsedSourceCache>,
}
#[async_trait::async_trait(?Send)]
@ -177,9 +177,17 @@ impl<'a> deno_graph::ModuleAnalyzer for ModuleInfoCacheModuleAnalyzer<'a> {
}
// otherwise, get the module info from the parsed source cache
// todo(23858): take advantage of this being async
let analyzer = ParserModuleAnalyzer::new(self.parser);
let module_info = analyzer.analyze(specifier, source, media_type).await?;
let module_info = deno_core::unsync::spawn_blocking({
let cache = self.parsed_source_cache.clone();
let specifier = specifier.clone();
move || {
let parser = cache.as_capturing_parser();
let analyzer = ParserModuleAnalyzer::new(&parser);
analyzer.analyze_sync(&specifier, source, media_type)
}
})
.await
.unwrap()?;
// then attempt to cache it
if let Err(err) = self.module_info_cache.set_module_info(

View file

@ -470,8 +470,9 @@ impl ModuleGraphBuilder {
}
let maybe_imports = self.options.to_maybe_imports()?;
let parser = self.parsed_source_cache.as_capturing_parser();
let analyzer = self.module_info_cache.as_module_analyzer(&parser);
let analyzer = self
.module_info_cache
.as_module_analyzer(&self.parsed_source_cache);
let mut loader = match options.loader {
Some(loader) => MutLoaderRef::Borrowed(loader),
None => MutLoaderRef::Owned(self.create_graph_loader()),

View file

@ -89,7 +89,7 @@ pub async fn doc(flags: Flags, doc_flags: DocFlags) -> Result<(), AnyError> {
let module_info_cache = factory.module_info_cache()?;
let parsed_source_cache = factory.parsed_source_cache();
let capturing_parser = parsed_source_cache.as_capturing_parser();
let analyzer = module_info_cache.as_module_analyzer(&capturing_parser);
let analyzer = module_info_cache.as_module_analyzer(parsed_source_cache);
let doc_nodes_by_url = match doc_flags.source_files {
DocSourceFileFlag::Builtin => {