rustdoc-search: yet another stringdex optimization attempt

Cargo.lock

@@ -5225,9 +5225,9 @@ dependencies = [
 
 [[package]]
 name = "stringdex"
-version = "0.0.1-alpha4"
+version = "0.0.1-alpha8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2841fd43df5b1ff1b042e167068a1fe9b163dc93041eae56ab2296859013a9a0"
+checksum = "180d5e520e6b3f10adc18ed61aa464c2c54ad0d5403e7292d37558bc508eae83"
 dependencies = [
  "stacker",
 ]

src/librustdoc/Cargo.toml

@@ -21,7 +21,7 @@ rustdoc-json-types = { path = "../rustdoc-json-types" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 smallvec = "1.8.1"
-stringdex = { version = "0.0.1-alpha4" }
+stringdex = { version = "0.0.1-alpha8" }
 tempfile = "3"
 threadpool = "1.8.1"
 tracing = "0.1"

src/librustdoc/html/static/js/search.js

@@ -1211,7 +1211,7 @@ class DocSearch {
      * will never fulfill.
      */
     async buildIndex() {
-        const nn = this.database.getIndex("normalizedName");
+        const nn = this.database.getData("normalizedName");
         if (!nn) {
             return;
         }
@@ -3706,7 +3706,7 @@ class DocSearch {
              * @returns {AsyncGenerator<rustdoc.ResultObject>}
              */
             async function*(currentCrate) {
-                const index = this.database.getIndex("normalizedName");
+                const index = this.database.getData("normalizedName");
                 if (!index) {
                     return;
                 }
@@ -3835,8 +3835,7 @@ class DocSearch {
                 };
                 if (elem.normalizedPathLast === "") {
                     // faster full-table scan for this specific case.
-                    const nameData = this.database.getData("name");
-                    const l = nameData ? nameData.length : 0;
+                    const l = index.length;
                     for (let id = 0; id < l; ++id) {
                         if (!idDuplicates.has(id)) {
                             idDuplicates.add(id);
@@ -3938,7 +3937,7 @@ class DocSearch {
              * @returns {AsyncGenerator<rustdoc.ResultObject>}
              */
             async function*(inputs, output, typeInfo, currentCrate) {
-                const index = this.database.getIndex("normalizedName");
+                const index = this.database.getData("normalizedName");
                 if (!index) {
                     return;
                 }

src/librustdoc/html/static/js/stringdex.d.ts

@@ -5,17 +5,8 @@ declare namespace stringdex {
      * The client interface to Stringdex.
      */
     interface Database {
-        getIndex(colname: string): SearchTree|undefined;
         getData(colname: string): DataColumn|undefined;
     }
-    /**
-     * A search index file.
-     */
-    interface SearchTree {
-        trie(): Trie;
-        search(name: Uint8Array|string): Promise<Trie?>;
-        searchLev(name: Uint8Array|string): AsyncGenerator<Trie>;
-    }
     /**
      * A compressed node in the search tree.
      *
@@ -29,9 +20,7 @@ declare namespace stringdex {
         matches(): RoaringBitmap;
         substringMatches(): AsyncGenerator<RoaringBitmap>;
         prefixMatches(): AsyncGenerator<RoaringBitmap>;
-        keys(): Uint8Array;
         keysExcludeSuffixOnly(): Uint8Array;
-        children(): [number, Promise<Trie>][];
         childrenExcludeSuffixOnly(): [number, Promise<Trie>][];
         child(id: number): Promise<Trie>?;
     }
@@ -41,6 +30,8 @@ declare namespace stringdex {
     interface DataColumn {
         isEmpty(id: number): boolean;
         at(id: number): Promise<Uint8Array|undefined>;
+        search(name: Uint8Array|string): Promise<Trie?>;
+        searchLev(name: Uint8Array|string): AsyncGenerator<Trie>;
         length: number,
     }
     /**