-
Notifications
You must be signed in to change notification settings - Fork 1
/
Program.cs
87 lines (65 loc) · 2.66 KB
/
Program.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
using System.Diagnostics;
using AsyncEntity;
using Microsoft.EntityFrameworkCore;
var stopwatch = new Stopwatch();
var connectionString = "Data Source=.\\SQL2019;Initial Catalog=AsyncEntity;Integrated Security=True";
var optionsBuilder = new DbContextOptionsBuilder().UseSqlServer(connectionString);
// initialize data
// stopwatch.Start();
// var dbInitializer = new DataContext(optionsBuilder.Options);
// var dataInitializer = new DataInitializer(dbInitializer);
// await dataInitializer.Run();
// stopwatch.Stop();
// Console.WriteLine($"Data initialization: {stopwatch.Elapsed}");
// synchronous
stopwatch.Restart();
var dbSync = new DataContext(optionsBuilder.Options);
var syncSuppliers = dbSync.Supplier
.Where(x => x.Name.Contains("7"))
.OrderByDescending(x => x.Name)
.ToList();
var syncCustomer = dbSync.Customer
.Where(x => x.Name.Contains("7"))
.OrderByDescending(x => x.Name)
.ToList();
var syncTotal = syncSuppliers.Count + syncCustomer.Count;
stopwatch.Stop();
Console.WriteLine($"Synchronous (Total: {syncTotal}): {stopwatch.Elapsed}");
// sequential
stopwatch.Restart();
var dbSequential = new DataContext(optionsBuilder.Options);
var sequentialSuppliers = await dbSequential.Supplier
.Where(x => x.Name.Contains("7"))
.OrderByDescending(x => x.Name)
.ToListAsync();
var sequentialCustomers = await dbSequential.Customer
.Where(x => x.Name.Contains("7"))
.OrderByDescending(x => x.Name)
.ToListAsync();
var sequentialTotal = sequentialSuppliers.Count + sequentialCustomers.Count;
stopwatch.Stop();
Console.WriteLine($"Sequential (Total: {sequentialTotal}): {stopwatch.Elapsed}");
// parallel
stopwatch.Restart();
// buat dua buah instance DataContext
var dbParallel1 = new DataContext(optionsBuilder.Options);
var dbParallel2 = new DataContext(optionsBuilder.Options);
// task untuk query pertama (tidak perlu di await)
var parallelSupplierTask = dbParallel1.Supplier
.Where(x => x.Name.Contains("7"))
.OrderByDescending(x => x.Name)
.ToListAsync();
// task untuk query kedua (tidak perlu di await)
var parallelCustomerTask = dbParallel2.Customer
.Where(x => x.Name.Contains("7"))
.OrderByDescending(x => x.Name)
.ToListAsync();
// Task.WhenAll akan menjalankan kedua task secara parallel hingga selesai (await disini)
await Task.WhenAll(parallelSupplierTask, parallelCustomerTask);
// ambil hasil dari kedua query
var parallelSuppliers = parallelSupplierTask.Result;
var parallelCustomers = parallelCustomerTask.Result;
var parallelTotal = parallelSuppliers.Count + parallelCustomers.Count;
stopwatch.Stop();
Console.WriteLine($"Parallel (Total: {parallelTotal}): {stopwatch.Elapsed}");
Console.ReadKey();