-
Notifications
You must be signed in to change notification settings - Fork 7
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #126 from computablee/release/v2.0.0
Add GPU functionality
- Loading branch information
Showing
19 changed files
with
1,939 additions
and
29 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.Linq; | ||
| using System.Text.Json.Serialization; | ||
| using System.Threading; | ||
| using DotMP; | ||
| using DotMP.GPU; | ||
| using FluentAssertions; | ||
| using Xunit; | ||
| using Xunit.Abstractions; | ||
|
|
||
|
|
||
| namespace DotMPTests | ||
| { | ||
| /// <summary> | ||
| /// CPU tests for the DotMP library. | ||
| /// </summary> | ||
| public class GPUTests | ||
| { | ||
| /// <summary> | ||
| /// Tests to make sure that for loops work in GPU kernels. | ||
| /// </summary> | ||
| [Fact] | ||
| public void GPU_for_works() | ||
| { | ||
| double[] a = new double[50000]; | ||
| double[] x = new double[50000]; | ||
| double[] y = new double[50000]; | ||
| float[] res = new float[50000]; | ||
| float[] res_cpu = new float[50000]; | ||
|
|
||
| random_init(a); | ||
| random_init(x); | ||
| random_init(y); | ||
|
|
||
| { | ||
| using var a_gpu = new DotMP.GPU.Buffer<double>(a, DotMP.GPU.Buffer.Behavior.To); | ||
| using var x_gpu = new DotMP.GPU.Buffer<double>(x, DotMP.GPU.Buffer.Behavior.To); | ||
| using var y_gpu = new DotMP.GPU.Buffer<double>(y, DotMP.GPU.Buffer.Behavior.To); | ||
| using var res_gpu = new DotMP.GPU.Buffer<float>(res, DotMP.GPU.Buffer.Behavior.From); | ||
|
|
||
| DotMP.GPU.Parallel.ParallelFor(0, a.Length, a_gpu, x_gpu, y_gpu, res_gpu, | ||
| (i, a, x, y, res) => | ||
| { | ||
| res[i] = (float)(a[i] * x[i] + y[i]); | ||
| }); | ||
| } | ||
|
|
||
| for (int i = 0; i < a.Length; i++) | ||
| { | ||
| res_cpu[i] = (float)(a[i] * x[i] + y[i]); | ||
| } | ||
|
|
||
| Assert.Equal(res_cpu, res); | ||
|
|
||
| double[] a_old = a.Select(a => a).ToArray(); | ||
|
|
||
| using (var a_gpu = new DotMP.GPU.Buffer<double>(a, DotMP.GPU.Buffer.Behavior.ToFrom)) | ||
| { | ||
| DotMP.GPU.Parallel.ParallelFor(0, a.Length, a_gpu, (i, a) => | ||
| { | ||
| a[i]++; | ||
| }); | ||
| } | ||
|
|
||
| for (int i = 0; i < a.Length; i++) | ||
| { | ||
| a_old[i]++; | ||
| } | ||
|
|
||
| Assert.Equal(a, a_old); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Tests to make sure that DotMP.GPU.Parallel.ForCollapse produces correct results. | ||
| /// </summary> | ||
| [Fact] | ||
| public void Collapse_works() | ||
| { | ||
| int[,] iters_hit = new int[1024, 1024]; | ||
|
|
||
| using (var buf = new Buffer<int>(iters_hit, DotMP.GPU.Buffer.Behavior.ToFrom)) | ||
| { | ||
| DotMP.GPU.Parallel.ParallelForCollapse((258, 512), (512, 600), buf, (i, j, iters_hit) => | ||
| { | ||
| iters_hit[i, j]++; | ||
| }); | ||
| } | ||
|
|
||
| for (int i = 0; i < 1024; i++) | ||
| for (int j = 0; j < 1024; j++) | ||
| if (i >= 258 && i < 512 && j >= 512 && j < 600) | ||
| iters_hit[i, j].Should().Be(1); | ||
| else | ||
| iters_hit[i, j].Should().Be(0); | ||
|
|
||
| iters_hit = null; | ||
|
|
||
| int[,,] iters_hit_3 = new int[128, 128, 64]; | ||
|
|
||
| using (var buf = new Buffer<int>(iters_hit_3, DotMP.GPU.Buffer.Behavior.ToFrom)) | ||
| { | ||
| DotMP.GPU.Parallel.ParallelForCollapse((35, 64), (16, 100), (10, 62), buf, action: (i, j, k, iters_hit_3) => | ||
| { | ||
| iters_hit_3[i, j, k]++; | ||
| }); | ||
| } | ||
|
|
||
| for (int i = 0; i < 128; i++) | ||
| for (int j = 0; j < 128; j++) | ||
| for (int k = 0; k < 64; k++) | ||
| if (i >= 35 && i < 64 && j >= 16 && j < 100 && k >= 10 && k < 62) | ||
| iters_hit_3[i, j, k].Should().Be(1); | ||
| else | ||
| iters_hit_3[i, j, k].Should().Be(0); | ||
|
|
||
| iters_hit_3 = null; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Randomly initialize an array of type T. | ||
| /// </summary> | ||
| /// <typeparam name="T">The type to initialize to.</typeparam> | ||
| /// <param name="arr">The allocated array to store values into.</param> | ||
| private void random_init<T>(T[] arr) | ||
| { | ||
| Random r = new Random(); | ||
|
|
||
| for (int i = 0; i < arr.Length; i++) | ||
| { | ||
| arr[i] = (T)Convert.ChangeType(r.NextDouble() * 128, typeof(T)); | ||
| } | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.