faster alloc

benchmark/bench1.ts

@@ -4,9 +4,9 @@ import protobuf from "protobufjs";
 
 // Run with "node --loader ts-node/esm ./benchmark/bench1.ts"
 /*
-* json x 2,910,221 ops/sec ±0.46% (98 runs sampled)
-* borsh x 9,893,398 ops/sec ±0.60% (245 runs sampled)
-* protobujs x 9,513,112 ops/sec ±0.13% (244 runs sampled)
+* json x 3,103,049 ops/sec ±0.53% (98 runs sampled)
+* borsh x 11,503,732 ops/sec ±0.24% (244 runs sampled)
+* protobujs x 9,732,443 ops/sec ±0.48% (247 runs sampled)
 */
 
 function getRandomInt(max: number) {

benchmark/bench2.ts

@@ -5,9 +5,9 @@ import protobuf from "protobufjs";
 // Run with "node --loader ts-node/esm ./benchmark/bench2.ts"
 
 /*** 
- * json x 1,997,857 ops/sec ±0.33% (243 runs sampled)
- * borsh x 3,570,224 ops/sec ±0.58% (242 runs sampled)
- * protobujs x 3,357,032 ops/sec ±0.54% (241 runs sampled)
+* json x 2,055,952 ops/sec ±0.33% (241 runs sampled)
+* borsh x 3,973,669 ops/sec ±0.56% (243 runs sampled)
+* protobujs x 3,365,144 ops/sec ±0.45% (243 runs sampled)
  */
 function getRandomInt(max: number) {
     return Math.floor(Math.random() * max);

benchmark/bench3.ts

@@ -7,8 +7,8 @@ import crypto from 'crypto';
 
 
 /* 
-* borsh x 2,197,862 ops/sec ±0.13% (246 runs sampled)
-* protobujs x 2,105,680 ops/sec ±0.43% (246 runs sampled)
+* borsh x 2,442,475 ops/sec ±0.44% (243 runs sampled)
+* protobujs x 2,229,004 ops/sec ±0.50% (243 runs sampled)
 */
 
 function getRandomInt(max: number) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@dao-xyz/borsh",
-  "version": "5.0.0",
+  "version": "5.0.1",
   "readme": "README.md",
   "homepage": "https://github.com/dao-xyz/borsh-ts#README",
   "description": "Binary Object Representation Serializer for Hashing simplified with decorators",

src/binary.ts

@@ -3,12 +3,13 @@ import { BorshError } from "./error.js";
 import utf8 from '@protobufjs/utf8';
 import { PrimitiveType, SmallIntegerType } from './types.js';
 
-const allocUnsafe = (len: number): Uint8Array => { // TODO return fn instead for v8 fn optimization 
+const allocUnsafeFn = (): (len: number) => Uint8Array => { // TODO return fn instead for v8 fn optimization 
   if ((globalThis as any).Buffer) {
-    return (globalThis as any).Buffer.allocUnsafe(len)
+    return (globalThis as any).Buffer.allocUnsafe
   }
-  return new Uint8Array(len)
+  return (len) => new Uint8Array(len);
 }
+const allocUnsafe = allocUnsafeFn();
 
 
 export class BinaryWriter {