simd_json instead of serde_json

Cargo.lock

@@ -28,6 +28,17 @@ dependencies = [
  "cpufeatures",
 ]
 
+[[package]]
+name = "ahash"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c99f64d1e06488f620f932677e24bc6e2897582980441ae90a671415bd7ec2f"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.0.2"
@@ -318,7 +329,6 @@ dependencies = [
  "rand",
  "serde",
  "serde_derive",
- "serde_json",
  "tempfile",
  "zip",
 ]
@@ -338,7 +348,6 @@ dependencies = [
  "rand",
  "serde",
  "serde_derive",
- "serde_json",
  "tempfile",
  "tokio",
  "tokio-stream",
@@ -361,7 +370,7 @@ dependencies = [
  "pin-project",
  "serde",
  "serde_derive",
- "serde_json",
+ "simd-json",
  "tempfile",
  "tokio",
  "zip",
@@ -712,6 +721,15 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "float-cmp"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98de4bbd547a563b716d8dfa9aad1cb19bfab00f4fa09a6a4ed21dbcf44ce9c4"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "fmmap"
 version = "0.3.2"
@@ -863,12 +881,31 @@ version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eabb4a44450da02c90444cf74558da904edde8fb4e9035a9a6a4e15445af0bd7"
 
+[[package]]
+name = "halfbrown"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5681137554ddff44396e5f149892c769d45301dd9aa19c51602a89ee214cb0ec"
+dependencies = [
+ "hashbrown 0.13.2",
+ "serde",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
+dependencies = [
+ "ahash",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -906,7 +943,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
 ]
 
 [[package]]
@@ -1008,6 +1045,70 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
+[[package]]
+name = "lexical-core"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2cde5de06e8d4c2faabc400238f9ae1c74d5412d03a7bd067645ccbc47070e46"
+dependencies = [
+ "lexical-parse-float",
+ "lexical-parse-integer",
+ "lexical-util",
+ "lexical-write-float",
+ "lexical-write-integer",
+]
+
+[[package]]
+name = "lexical-parse-float"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683b3a5ebd0130b8fb52ba0bdc718cc56815b6a097e28ae5a6997d0ad17dc05f"
+dependencies = [
+ "lexical-parse-integer",
+ "lexical-util",
+ "static_assertions",
+]
+
+[[package]]
+name = "lexical-parse-integer"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d0994485ed0c312f6d965766754ea177d07f9c00c9b82a5ee62ed5b47945ee9"
+dependencies = [
+ "lexical-util",
+ "static_assertions",
+]
+
+[[package]]
+name = "lexical-util"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5255b9ff16ff898710eb9eb63cb39248ea8a5bb036bea8085b1a767ff6c4e3fc"
+dependencies = [
+ "static_assertions",
+]
+
+[[package]]
+name = "lexical-write-float"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accabaa1c4581f05a3923d1b4cfd124c329352288b7b9da09e766b0668116862"
+dependencies = [
+ "lexical-util",
+ "lexical-write-integer",
+ "static_assertions",
+]
+
+[[package]]
+name = "lexical-write-integer"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1b6f3d1f4422866b68192d62f77bc5c700bee84f3069f2469d7bc8c77852446"
+dependencies = [
+ "lexical-util",
+ "static_assertions",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.147"
@@ -1489,6 +1590,26 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "simd-json"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de7f1293f0e4e11d52e588766fe9de8caa2857ff63809d40de83245452ca7c5c"
+dependencies = [
+ "halfbrown",
+ "lexical-core",
+ "serde",
+ "serde_json",
+ "simdutf8",
+ "value-trait",
+]
+
+[[package]]
+name = "simdutf8"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f27f6278552951f1f2b8cf9da965d10969b2efdea95a6ec47987ab46edfe263a"
+
 [[package]]
 name = "similar"
 version = "2.2.1"
@@ -1504,6 +1625,12 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -1695,6 +1822,18 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
+[[package]]
+name = "value-trait"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09a5b6c8ceb01263b969cac48d4a6705134d490ded13d889e52c0cfc80c6945e"
+dependencies = [
+ "float-cmp",
+ "halfbrown",
+ "itoa",
+ "ryu",
+]
+
 [[package]]
 name = "version_check"
 version = "0.9.4"

app/Cargo.toml

@@ -15,7 +15,6 @@ harness = false
 
 [dependencies]
 chgk_ledb_lib = {path = "../lib", features = ["sync", "source", "convert"]}
-serde_json="1.0"
 zip="0.6"
 rand="0.8"
 clap = { version = "4.2.7", features = ["derive"] }

app/benches/db_bench.rs

@@ -3,7 +3,6 @@ extern crate criterion;
 extern crate bincode;
 extern crate serde;
 extern crate serde_derive;
-extern crate serde_json;
 extern crate tempfile;
 
 use chgk_ledb_lib::db;

app/src/main.rs

@@ -1,4 +1,3 @@
-extern crate serde_json;
 use clap::{Parser, Subcommand};
 use rand::seq::IteratorRandom;
 

app_async/Cargo.toml

@@ -15,7 +15,6 @@ harness = false
 
 [dependencies]
 chgk_ledb_lib = {path = "../lib", features = ["async", "convert_async"]}
-serde_json="1.0"
 async_zip = { version = "0.0.15", features = [
     "zstd",
     "tokio",

app_async/src/main.rs

@@ -1,4 +1,3 @@
-extern crate serde_json;
 use clap::{Parser, Subcommand};
 use futures::{pin_mut, Future};
 use rand::distributions::Uniform;

lib/Cargo.toml

@@ -44,7 +44,6 @@ convert_async = [
 [dependencies]
 serde = "1.0"
 serde_derive = "1.0"
-serde_json = "1.0"
 bincode = "^2.0.0-rc.2"
 zip = { version = "0.6", optional = true }
 async_zip = { version = "0.0.15", features = [
@@ -70,6 +69,7 @@ async-stream = { version = "0.3", optional = true }
 zstd = { version = "^0.12", default-features = false, optional = true }
 memmap = { version = "0.7.0", optional = true }
 pin-project = { version = "1.1.3", optional = true }
+simd-json = "0.10.6"
 
 [dev-dependencies]
 insta = { version = "1.31.0", features = ["yaml"] }

lib/src/questions.rs

@@ -142,7 +142,7 @@ pub mod convert {
 
     impl<T> QuestionsConverter for T
     where
-        T: Iterator<Item = (String, Result<SourceQuestionsBatch, serde_json::Error>)>,
+        T: Iterator<Item = (String, Result<SourceQuestionsBatch, simd_json::Error>)>,
     {
         fn convert<'a>(&'a mut self) -> Box<dyn Iterator<Item = Question> + 'a> {
             let iter = self
@@ -169,7 +169,7 @@ pub mod convert {
         fn test_convert() {
             let mut source = iter::once((
                 String::from("test.json"),
-                Ok::<SourceQuestionsBatch, serde_json::Error>(sample_batch()),
+                Ok::<SourceQuestionsBatch, simd_json::Error>(sample_batch()),
             ));
             let converted: Vec<_> = source.convert().collect();
             assert_yaml_snapshot!(converted, @r#"
@@ -207,7 +207,7 @@ pub mod convert_async {
 
     pub struct QuestionsConverterAsync<T>
     where
-        T: Stream<Item = (String, Result<SourceQuestionsBatch, serde_json::Error>)>
+        T: Stream<Item = (String, Result<SourceQuestionsBatch, simd_json::Error>)>
             + std::marker::Unpin,
     {
         inner: T,
@@ -215,7 +215,7 @@ pub mod convert_async {
 
     impl<T> From<T> for QuestionsConverterAsync<T>
     where
-        T: Stream<Item = (String, Result<SourceQuestionsBatch, serde_json::Error>)>
+        T: Stream<Item = (String, Result<SourceQuestionsBatch, simd_json::Error>)>
             + std::marker::Unpin,
     {
         fn from(inner: T) -> Self {
@@ -225,7 +225,7 @@ pub mod convert_async {
 
     pub trait QuestionsConverterAsyncForStream<T>
     where
-        T: Stream<Item = (String, Result<SourceQuestionsBatch, serde_json::Error>)>
+        T: Stream<Item = (String, Result<SourceQuestionsBatch, simd_json::Error>)>
             + std::marker::Unpin,
     {
         fn converter(&mut self) -> QuestionsConverterAsync<&mut T>;
@@ -233,7 +233,7 @@ pub mod convert_async {
 
     impl<T> QuestionsConverterAsyncForStream<T> for T
     where
-        T: Stream<Item = (String, Result<SourceQuestionsBatch, serde_json::Error>)>
+        T: Stream<Item = (String, Result<SourceQuestionsBatch, simd_json::Error>)>
             + std::marker::Unpin,
     {
         fn converter(&mut self) -> QuestionsConverterAsync<&mut T> {
@@ -243,7 +243,7 @@ pub mod convert_async {
 
     impl<T> QuestionsConverterAsync<T>
     where
-        T: Stream<Item = (String, Result<SourceQuestionsBatch, serde_json::Error>)>
+        T: Stream<Item = (String, Result<SourceQuestionsBatch, simd_json::Error>)>
             + std::marker::Unpin,
     {
         pub fn convert(self) -> impl Stream<Item = Question> {
@@ -279,7 +279,7 @@ pub mod convert_async {
             let source = futures::stream::once(async {
                 (
                     String::from("test.json"),
-                    Ok::<SourceQuestionsBatch, serde_json::Error>(sample_batch()),
+                    Ok::<SourceQuestionsBatch, simd_json::Error>(sample_batch()),
                 )
             });
 
@@ -315,7 +315,7 @@ pub use convert_async::{QuestionsConverterAsync, QuestionsConverterAsyncForStrea
 mod test {
     use super::*;
     use insta::assert_yaml_snapshot;
-    use serde_json::json;
+    use simd_json::json;
 
     #[cfg(any(feature = "convert", feature = "convert_async"))]
     pub mod convert_common {
@@ -373,7 +373,7 @@ mod test {
     }
     #[test]
     fn test_question_de() {
-        let question_from_json: Result<Question, _> = serde_json::from_value(json!({
+        let question_from_json: Result<Question, _> = simd_json::serde::from_owned_value(json!({
             "id": "Вопрос 1",
             "description": "Сколько будет (2 * 2 * 2 + 2) * 2 * 2 + 2",
             "answer": "42",

lib/src/source.rs

@@ -142,7 +142,7 @@ pub mod reader_sync {
     where
         R: Read + Seek,
     {
-        type Item = (String, Result<SourceQuestionsBatch, serde_json::Error>);
+        type Item = (String, Result<SourceQuestionsBatch, simd_json::Error>);
 
         fn next(&mut self) -> Option<Self::Item> {
             if self.index.is_none() && !self.zipfile.is_empty() {
@@ -169,7 +169,7 @@ pub mod reader_sync {
             let name = file.mangled_name();
             let name_str = name.to_str().unwrap();
 
-            let data: Result<SourceQuestionsBatch, _> = serde_json::from_reader(file);
+            let data: Result<SourceQuestionsBatch, _> = simd_json::from_reader(file);
 
             Some((String::from(name_str), data))
         }
@@ -237,7 +237,7 @@ pub mod reader_sync {
             zip_file
                 .start_file("test.json", options)
                 .expect("zip start file");
-            let data = serde_json::to_vec(&batch).unwrap();
+            let data = simd_json::to_vec(&batch).unwrap();
             let amount = zip_file.write(data.as_slice()).expect("write entry");
             assert_eq!(amount, data.len());
             zip_file.finish().expect("finish zip file");
@@ -331,7 +331,7 @@ pub mod reader_async {
         pub async fn get(
             &mut self,
             index: usize,
-        ) -> Result<(String, Result<SourceQuestionsBatch, serde_json::Error>), String>
+        ) -> Result<(String, Result<SourceQuestionsBatch, simd_json::Error>), String>
         where
             R: AsyncRead + AsyncSeek + Unpin,
         {
@@ -352,12 +352,12 @@ pub mod reader_async {
             if let Err(error) = readed {
                 return Err(format!("read_to_end: {error:?}"));
             }
-            let parsed: Result<SourceQuestionsBatch, _> = serde_json::from_slice(&data);
+            let parsed: Result<SourceQuestionsBatch, _> = simd_json::from_slice(data.as_mut_slice());
             Ok((filename, parsed))
         }
         pub async fn get_next(
             &mut self,
-        ) -> Option<Result<(String, Result<SourceQuestionsBatch, serde_json::Error>), String>>
+        ) -> Option<Result<(String, Result<SourceQuestionsBatch, simd_json::Error>), String>>
         where
             R: AsyncRead + AsyncSeek + Unpin,
         {
@@ -376,7 +376,7 @@ pub mod reader_async {
         }
         pub fn stream(
             &mut self,
-        ) -> impl Stream<Item = (String, Result<SourceQuestionsBatch, serde_json::Error>)> + '_
+        ) -> impl Stream<Item = (String, Result<SourceQuestionsBatch, simd_json::Error>)> + '_
         {
             stream! {
                 while let Some(Ok(item)) = self.get_next().await {
@@ -425,7 +425,7 @@ pub mod reader_async {
             let entry =
                 ZipEntryBuilder::new("test.json".into(), async_zip::Compression::Zstd).build();
             zip_file
-                .write_entry_whole(entry, serde_json::to_vec(&batch).unwrap().as_slice())
+                .write_entry_whole(entry, simd_json::to_vec(&batch).unwrap().as_slice())
                 .await
                 .expect("write entry");
             zip_file.close().await.expect("close zip");
@@ -500,7 +500,7 @@ pub use reader_async::{ReadSourceQuestionsBatchesAsync, SourceQuestionsZipReader
 mod test {
     use super::*;
     use insta::assert_yaml_snapshot;
-    use serde_json::json;
+    use simd_json::json;
 
     pub fn sample_batch() -> SourceQuestionsBatch {
         SourceQuestionsBatch {
@@ -544,7 +544,7 @@ mod test {
     }
     #[test]
     fn test_batch_de() {
-        let batch_from_json: Result<SourceQuestionsBatch, _> = serde_json::from_value(json!({
+        let batch_from_json: Result<SourceQuestionsBatch, _> = simd_json::serde::from_owned_value(json!({
             "Чемпионат": "Тестовый",
             "Дата": "00-000-2000",
             "Вопросы": [