perf: mimalloc as global allocator

Cargo.toml

@@ -12,6 +12,9 @@ napi = {version = "1", features = ["napi5"]}
 napi-derive = "1"
 snap = "1"
 
+[target.'cfg(all(target_arch = "x86_64", not(target_env = "musl")))'.dependencies]
+mimalloc = {version = "0.1"}
+
 [build-dependencies]
 napi-build = "1"
 

README.md

@@ -44,16 +44,12 @@ export function uncompress(compressed: Buffer): Promise<Buffer>
 ### Hardware
 
 ```
-Model Name: MacBook Pro
-Model Identifier: MacBookPro15,1
-Processor Name: Intel Core i7
-Processor Speed: 2.6 GHz
-Number of Processors: 1
-Total Number of Cores: 6
-L2 Cache (per Core): 256 KB
-L3 Cache: 12 MB
-Hyper-Threading Technology: Enabled
-Memory: 16 GB
+OS: Windows 10 x86_64
+Host: Micro-Star International Co., Ltd. MS-7C35
+Kernel: 10.0.19043
+Terminal: Windows Terminal
+CPU: AMD Ryzen 9 5950X (32) @ 3.400GHz
+Memory: 15959MiB / 32688MiB
 ```
 
 ### Result
@@ -63,10 +59,10 @@ Running "Compress data" suite...
 Progress: 100%
 
   @napi-rs/snappy:
-    279 ops/s, ±7.86%   | fastest
+    333 ops/s, ±2.10%   | fastest
 
   snappy node:
-    235 ops/s, ±1.85%   | slowest, 15.77% slower
+    163 ops/s, ±1.44%   | slowest, 51.05% slower
 
 Finished 2 cases!
   Fastest: @napi-rs/snappy
@@ -75,10 +71,10 @@ Running "Uncompress data" suite...
 Progress: 100%
 
   @napi-rs/snappy:
-    379 ops/s, ±2.09%   | fastest
+    980 ops/s, ±1.85%   | fastest
 
   snappy node:
-    347 ops/s, ±1.93%   | slowest, 8.44% slower
+    256 ops/s, ±0.61%   | slowest, 73.88% slower
 
 Finished 2 cases!
   Fastest: @napi-rs/snappy

src/lib.rs

@@ -6,6 +6,14 @@ extern crate napi_derive;
 use napi::{CallContext, Env, Error, JsBuffer, JsBufferValue, JsObject, Ref, Result, Status, Task};
 use snap::raw::{Decoder, Encoder};
 
+#[cfg(all(
+  target_arch = "x86_64",
+  not(target_env = "musl"),
+  not(debug_assertions)
+))]
+#[global_allocator]
+static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc;
+
 #[module_exports]
 fn init(mut exports: JsObject) -> Result<()> {
   exports.create_named_method("compressSync", compress_sync)?;