Performance test adjustments (#1239)

* Performance test adjustments

* testing

* adjust

* alphabet

* Adjust

packages/util/src/bi/toU8a.spec.ts

@@ -1,8 +1,12 @@
 // Copyright 2017-2021 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
+import { performance } from '../../test/performance';
+import { arrayRange } from '../array';
 import { biToU8a } from '.';
 
+const ptest = arrayRange(65536).map((v) => [v]);
+
 describe('biToU8a', (): void => {
   it('converts null values to 0x00', (): void => {
     expect(
@@ -51,4 +55,6 @@ describe('biToU8a', (): void => {
       biToU8a(-1234n, { bitLength: 32, isNegative: true })
     ).toEqual(new Uint8Array([46, 251, 255, 255]));
   });
+
+  performance('biToU8a', 250000, ptest, biToU8a);
 });

packages/util/src/bn/toU8a.spec.ts

@@ -1,8 +1,12 @@
 // Copyright 2017-2021 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
+import { performance } from '../../test/performance';
+import { arrayRange } from '../array';
 import { BN, bnToU8a } from '.';
 
+const ptest = arrayRange(65536).map((v) => [v]);
+
 describe('bnToU8a', (): void => {
   it('converts null values to 0x00', (): void => {
     expect(
@@ -59,4 +63,6 @@ describe('bnToU8a', (): void => {
       bnToU8a(new BN(1234), { bitLength: 32, isLe: false })
     );
   });
+
+  performance('bnToU8a', 250000, ptest, bnToU8a);
 });

packages/util/src/hex/alphabet.ts

@@ -17,7 +17,7 @@ for (let n = 0; n < 256; n++) {
 for (let i = 0; i < 256; i++) {
   for (let j = 0; j < 256; j++) {
     const hex = U8_TO_HEX[i] + U8_TO_HEX[j];
-    const n = (i * 256) + j;
+    const n = (i << 8) | j;
 
     U16_TO_HEX[n] = hex;
     HEX_TO_U16[hex] = n;

packages/util/src/hex/toU8a.spec.ts

@@ -8,7 +8,7 @@ import { hexToU8a } from '.';
 
 let ptest = '0x';
 
-for (let i = 0; i < 640 * 1024; i++) {
+for (let i = 0; i < 500000; i++) {
   ptest += U16_TO_HEX[i % (256 * 256)];
 }
 
@@ -55,7 +55,7 @@ describe('hexToU8a', (): void => {
     ).toThrow(/hex value to convert/);
   });
 
-  performanceCmp('hexToU8a (640k input)', ['Node + Buffer', 'Uint8Array'], 10, [[ptest]], (s: string, isSecond) =>
+  performanceCmp('hexToU8a', ['hexToU8aBuffer', 'hexToU8a'], 10, [[ptest]], (s: string, isSecond) =>
     isSecond
       ? hexToU8a(s)
       : hexToU8aBuffer(s)

packages/util/src/u8a/toHex.spec.ts

@@ -66,7 +66,7 @@ describe('u8aToHex', (): void => {
     ).toEqual('0x8000…0c0d');
   });
 
-  performanceCmp('u8aToHex (32k input)', ['Node + Buffer', 'Uint8Array'], 2000, [[ptest]], (s: Uint8Array, isSecond) =>
+  performanceCmp('u8aToHex', ['u8aToHexBuffer', 'u8aToHex'], 2000, [[ptest]], (s: Uint8Array, isSecond) =>
     isSecond
       ? u8aToHex(s)
       : u8aToHexBuffer(s)

packages/util/test/performance.ts

@@ -43,7 +43,7 @@ export function performance (name: string, count: number, inputs: unknown[][], e
     console.log(`
 performance run for ${name} completed with ${formatNumber(count)} iterations.
 
-${'JavaScript:'.padStart(19)} ${time.toString().padStart(15)} ms${formatOps(count, time)}
+${`${name}:`.padStart(19)} ${time.toString().padStart(15)} ms${formatOps(count, time)}
 `);
   });
 }