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GeezerVison is showing github.com — lib: improve performance of validateStringArray and validateBooleanArray · nodejs/node@251ae1d

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  • benchmark/validators
    • parse-file-mode.js
    • validate-array.js
    • validate-boolean.js
    • validate-encoding.js
    • validate-one-of.js
    • validate-x-array.js
  • lib/internal
    • validators.js
  • test/benchmark
    • test-benchmark-validators.js
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‎benchmark/validators/parse-file-mode.js‎

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+61Lines changed: 61 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,61 @@
1+
'use strict';
2+
3+
const common = require('../common');
4+
const assert = require('assert');
5+
6+
const bench = common.createBenchmark(main, {
7+
n: [1e7],
8+
value: [
9+
"'777'",
10+
'0o777',
11+
],
12+
}, {
13+
flags: ['--expose-internals'],
14+
});
15+
16+
function getParseFactory() {
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const {
18+
parseFileMode,
19+
} = require('internal/validators');
20+
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return (n) => parseFileMode(n, 'n');
22+
}
23+
24+
function main({ n, value }) {
25+
const parse = getParseFactory();
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value = value === "'777'" ? '777' : 0o777;
28+
29+
// Warm up.
30+
const length = 1024;
31+
const array = [];
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let errCase = false;
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for (let i = 0; i < length; ++i) {
35+
try {
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array.push(parse(value));
37+
} catch (e) {
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errCase = true;
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array.push(e);
40+
}
41+
}
42+
43+
bench.start();
44+
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for (let i = 0; i < n; ++i) {
46+
const index = i % length;
47+
try {
48+
array[index] = parse(value);
49+
} catch (e) {
50+
array[index] = e;
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}
52+
}
53+
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bench.end(n);
55+
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// Verify the entries to prevent dead code elimination from making
57+
// the benchmark invalid.
58+
for (let i = 0; i < length; ++i) {
59+
assert.strictEqual(typeof array[i], errCase ? 'object' : 'number');
60+
}
61+
}
Collapse file

‎benchmark/validators/validate-array.js‎

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+68Lines changed: 68 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,68 @@
1+
'use strict';
2+
3+
const common = require('../common');
4+
const assert = require('assert');
5+
6+
const bench = common.createBenchmark(main, {
7+
n: [1e7],
8+
value: [
9+
'[]',
10+
'[1,2,3]',
11+
],
12+
}, {
13+
flags: ['--expose-internals'],
14+
});
15+
16+
function getValidateFactory() {
17+
const {
18+
validateArray,
19+
} = require('internal/validators');
20+
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return (n) => validateArray(n, 'n');
22+
}
23+
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function main({ n, value }) {
25+
const validate = getValidateFactory();
26+
27+
switch (value) {
28+
case '[]':
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value = [];
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break;
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case '[1,2,3]':
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value = [1, 2, 3];
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break;
34+
}
35+
36+
// Warm up.
37+
const length = 1024;
38+
const array = [];
39+
let errCase = false;
40+
41+
for (let i = 0; i < length; ++i) {
42+
try {
43+
array.push(validate(value));
44+
} catch (e) {
45+
errCase = true;
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array.push(e);
47+
}
48+
}
49+
50+
bench.start();
51+
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for (let i = 0; i < n; ++i) {
53+
const index = i % length;
54+
try {
55+
array[index] = validate(value);
56+
} catch (e) {
57+
array[index] = e;
58+
}
59+
}
60+
61+
bench.end(n);
62+
63+
// Verify the entries to prevent dead code elimination from making
64+
// the benchmark invalid.
65+
for (let i = 0; i < length; ++i) {
66+
assert.strictEqual(typeof array[i], errCase ? 'object' : 'undefined');
67+
}
68+
}
Collapse file

‎benchmark/validators/validate-boolean.js‎

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+55Lines changed: 55 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,55 @@
1+
'use strict';
2+
3+
const common = require('../common');
4+
const assert = require('assert');
5+
6+
const bench = common.createBenchmark(main, {
7+
n: [1e8],
8+
code: [
9+
'validateBoolean',
10+
],
11+
value: [
12+
'true',
13+
'false',
14+
],
15+
}, {
16+
flags: ['--expose-internals'],
17+
});
18+
19+
function getValidateFactory(code) {
20+
const {
21+
validateBoolean,
22+
} = require('internal/validators');
23+
24+
switch (code) {
25+
case 'validateBoolean':
26+
return (n) => validateBoolean(n, 'n');
27+
}
28+
}
29+
30+
function main({ n, code, value }) {
31+
const validate = getValidateFactory(code);
32+
const v = value === 'true';
33+
34+
// Warm up.
35+
const length = 1024;
36+
const array = [];
37+
for (let i = 0; i < length; ++i) {
38+
array.push(validate(v));
39+
}
40+
41+
bench.start();
42+
43+
for (let i = 0; i < n; ++i) {
44+
const index = i % length;
45+
array[index] = validate(v);
46+
}
47+
48+
bench.end(n);
49+
50+
// Verify the entries to prevent dead code elimination from making
51+
// the benchmark invalid.
52+
for (let i = 0; i < length; ++i) {
53+
assert.strictEqual(typeof array[i], 'undefined');
54+
}
55+
}
Collapse file

‎benchmark/validators/validate-encoding.js‎

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+59Lines changed: 59 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
1+
'use strict';
2+
3+
const common = require('../common');
4+
const assert = require('assert');
5+
6+
const bench = common.createBenchmark(main, {
7+
n: [1e8],
8+
encoding: [
9+
'ascii',
10+
'utf8',
11+
'utf-8',
12+
'utf16le',
13+
'ucs2',
14+
'ucs-2',
15+
'base64',
16+
'latin1',
17+
'binary',
18+
'hex',
19+
],
20+
value: [
21+
'test',
22+
],
23+
}, {
24+
flags: ['--expose-internals'],
25+
});
26+
27+
function getValidateFactory(encoding) {
28+
const {
29+
validateEncoding,
30+
} = require('internal/validators');
31+
32+
return (n) => validateEncoding(n, encoding);
33+
}
34+
35+
function main({ n, encoding, value }) {
36+
const validate = getValidateFactory(encoding);
37+
38+
// Warm up.
39+
const length = 1024;
40+
const array = [];
41+
for (let i = 0; i < length; ++i) {
42+
array.push(validate(value));
43+
}
44+
45+
bench.start();
46+
47+
for (let i = 0; i < n; ++i) {
48+
const index = i % length;
49+
array[index] = validate(value);
50+
}
51+
52+
bench.end(n);
53+
54+
// Verify the entries to prevent dead code elimination from making
55+
// the benchmark invalid.
56+
for (let i = 0; i < length; ++i) {
57+
assert.strictEqual(typeof array[i], 'undefined');
58+
}
59+
}
Collapse file

‎benchmark/validators/validate-one-of.js‎

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+69Lines changed: 69 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
1+
'use strict';
2+
3+
const common = require('../common');
4+
const assert = require('assert');
5+
6+
const bench = common.createBenchmark(main, {
7+
n: [1e7],
8+
code: [
9+
'validateOneOf',
10+
],
11+
value: [
12+
'fifo',
13+
'lifo',
14+
'lilo',
15+
],
16+
validLength: [
17+
1,
18+
2,
19+
3,
20+
],
21+
}, {
22+
flags: ['--expose-internals'],
23+
});
24+
25+
const validValues = [
26+
'fifo',
27+
'lifo',
28+
'lilo',
29+
'filo',
30+
];
31+
32+
function getValidateFactory(code, validLength) {
33+
const {
34+
validateOneOf,
35+
} = require('internal/validators');
36+
37+
switch (code) {
38+
case 'validateOneOf':
39+
return (n) => validateOneOf(n, 'n', validValues.slice(0, validLength));
40+
}
41+
}
42+
43+
function main({ n, code, validLength }) {
44+
const validate = getValidateFactory(code, validLength);
45+
46+
// Warm up.
47+
const length = 1024;
48+
const array = [];
49+
50+
const value = validValues[validLength - 1];
51+
52+
for (let i = 0; i < length; ++i) {
53+
array.push(validate(value));
54+
}
55+
56+
bench.start();
57+
for (let i = 0; i < n; ++i) {
58+
const index = i % length;
59+
array[index] = validate(value);
60+
}
61+
bench.end(n);
62+
63+
64+
// Verify the entries to prevent dead code elimination from making
65+
// the benchmark invalid.
66+
for (let i = 0; i < length; ++i) {
67+
assert.strictEqual(typeof array[i], 'undefined');
68+
}
69+
}
Collapse file

‎benchmark/validators/validate-x-array.js‎

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+66Lines changed: 66 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
1+
'use strict';
2+
3+
const common = require('../common');
4+
const assert = require('assert');
5+
6+
const bench = common.createBenchmark(main, {
7+
n: [1e8],
8+
type: [
9+
'validateStringArray',
10+
'validateBooleanArray',
11+
],
12+
arrayLength: [
13+
0,
14+
1,
15+
10,
16+
100,
17+
],
18+
}, {
19+
flags: ['--expose-internals'],
20+
});
21+
22+
function getValidateFactory(type, arrayLength) {
23+
const {
24+
validateBooleanArray,
25+
validateStringArray,
26+
} = require('internal/validators');
27+
28+
switch (type) {
29+
case 'validateBooleanArray':
30+
return [
31+
(n) => validateBooleanArray(n, 'n'),
32+
Array.from({ length: arrayLength }, (v, i) => ((i & 1) === 0)),
33+
];
34+
case 'validateStringArray':
35+
return [
36+
(n) => validateStringArray(n, 'n'),
37+
Array.from({ length: arrayLength }, (v, i) => `foo${i}`),
38+
];
39+
}
40+
}
41+
42+
function main({ n, type, arrayLength }) {
43+
const [validate, value] = getValidateFactory(type, arrayLength);
44+
45+
// Warm up.
46+
const length = 1024;
47+
const array = [];
48+
for (let i = 0; i < length; ++i) {
49+
array.push(validate(value));
50+
}
51+
52+
bench.start();
53+
54+
for (let i = 0; i < n; ++i) {
55+
const index = i % length;
56+
array[index] = validate(value);
57+
}
58+
59+
bench.end(n);
60+
61+
// Verify the entries to prevent dead code elimination from making
62+
// the benchmark invalid.
63+
for (let i = 0; i < length; ++i) {
64+
assert.strictEqual(typeof array[i], 'undefined');
65+
}
66+
}

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