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3c93feb9 JB |
1 | import type { |
2 | MeasurementStatisticsRequirements, | |
3 | WorkerChoiceStrategyOptions | |
4 | } from './pools/selection-strategies/selection-strategies-types' | |
bbeadd16 | 5 | |
6e9d10db JB |
6 | /** |
7 | * An intentional empty function. | |
8 | */ | |
4f3c3d89 | 9 | export const EMPTY_FUNCTION: () => void = Object.freeze(() => { |
6e9d10db | 10 | /* Intentionally empty */ |
4f3c3d89 | 11 | }) |
78099a15 JB |
12 | |
13 | /** | |
bbeadd16 JB |
14 | * Default worker choice strategy options. |
15 | */ | |
16 | export const DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS: WorkerChoiceStrategyOptions = | |
17 | { | |
932fc8be | 18 | runTime: { median: false }, |
5df69fab JB |
19 | waitTime: { median: false }, |
20 | elu: { median: false } | |
bbeadd16 JB |
21 | } |
22 | ||
3c93feb9 JB |
23 | /** |
24 | * Default measurement statistics requirements. | |
25 | */ | |
26 | export const DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS: MeasurementStatisticsRequirements = | |
27 | { | |
28 | aggregate: false, | |
29 | average: false, | |
30 | median: false | |
31 | } | |
32 | ||
bbeadd16 JB |
33 | /** |
34 | * Compute the median of the given data set. | |
78099a15 JB |
35 | * |
36 | * @param dataSet - Data set. | |
37 | * @returns The median of the given data set. | |
38 | */ | |
39 | export const median = (dataSet: number[]): number => { | |
4a45e8d2 JB |
40 | if (Array.isArray(dataSet) && dataSet.length === 0) { |
41 | return 0 | |
42 | } | |
78099a15 JB |
43 | if (Array.isArray(dataSet) && dataSet.length === 1) { |
44 | return dataSet[0] | |
45 | } | |
c6f42dd6 JB |
46 | const sortedDataSet = dataSet.slice().sort((a, b) => a - b) |
47 | return ( | |
48 | (sortedDataSet[(sortedDataSet.length - 1) >> 1] + | |
49 | sortedDataSet[sortedDataSet.length >> 1]) / | |
50 | 2 | |
51 | ) | |
78099a15 | 52 | } |
0d80593b | 53 | |
3c653a03 JB |
54 | /** |
55 | * Is the given object a plain object? | |
56 | * | |
57 | * @param obj - The object to check. | |
58 | * @returns `true` if the given object is a plain object, `false` otherwise. | |
59 | */ | |
0d80593b JB |
60 | export const isPlainObject = (obj: unknown): boolean => |
61 | typeof obj === 'object' && | |
62 | obj !== null && | |
63 | obj?.constructor === Object && | |
64 | Object.prototype.toString.call(obj) === '[object Object]' |