push a first version of the benchmark for the typo

milli/benches/utils.rs

@@ -0,0 +1,41 @@
+use std::{fs::{File, create_dir_all}};
+
+use heed::EnvOpenOptions;
+use milli::{Index, update::{IndexDocumentsMethod, UpdateBuilder, UpdateFormat}};
+
+pub fn base_setup(criteria: Option<Vec<String>>) -> Index {
+    let database = "songs.mmdb";
+    create_dir_all(&database).unwrap();
+
+    let mut options = EnvOpenOptions::new();
+    options.map_size(100 * 1024 * 1024 * 1024); // 100 GB
+    options.max_readers(10);
+    let index = Index::new(options, database).unwrap();
+
+    let update_builder = UpdateBuilder::new(0);
+    let mut wtxn = index.write_txn().unwrap();
+    let mut builder = update_builder.settings(&mut wtxn, &index);
+
+    if let Some(criteria) = criteria {
+        builder.reset_faceted_fields();
+        builder.reset_criteria();
+        builder.reset_stop_words();
+
+        builder.set_criteria(criteria);
+    }
+
+    builder.execute(|_, _| ()).unwrap();
+    wtxn.commit().unwrap();
+
+    let update_builder = UpdateBuilder::new(0);
+    let mut wtxn = index.write_txn().unwrap();
+    let mut builder = update_builder.index_documents(&mut wtxn, &index);
+    builder.update_format(UpdateFormat::Csv);
+    builder.index_documents_method(IndexDocumentsMethod::ReplaceDocuments);
+    // we called from cargo the current directory is supposed to be milli/milli
+    let reader = File::open("benches/smol_songs.csv").unwrap();
+    builder.execute(reader, |_, _| ()).unwrap();
+    wtxn.commit().unwrap();
+
+    index
+}