Mercurial > pub > ImplabNet
annotate Implab.Test/AsyncTests.cs @ 123:f4d6ea6969cc v2
async queue improvements
| author | cin |
|---|---|
| date | Tue, 13 Jan 2015 01:42:38 +0300 |
| parents | 0c8685c8b56b |
| children | a336cb13c6a9 |
| rev | line source |
|---|---|
| 77 | 1 using System; |
| 2 using System.Reflection; | |
| 3 using System.Threading; | |
| 4 using Implab.Parallels; | |
| 5 | |
| 6 #if MONO | |
| 7 | |
| 8 using NUnit.Framework; | |
| 9 using TestClassAttribute = NUnit.Framework.TestFixtureAttribute; | |
| 10 using TestMethod = NUnit.Framework.TestAttribute; | |
| 11 | |
| 12 #else | |
| 13 | |
| 14 using Microsoft.VisualStudio.TestTools.UnitTesting; | |
| 15 | |
| 16 #endif | |
| 17 | |
| 18 namespace Implab.Test { | |
| 19 [TestClass] | |
| 20 public class AsyncTests { | |
| 21 [TestMethod] | |
| 22 public void ResolveTest() { | |
| 23 int res = -1; | |
| 24 var p = new Promise<int>(); | |
| 25 p.Then(x => res = x); | |
| 26 p.Resolve(100); | |
| 27 | |
| 28 Assert.AreEqual(100, res); | |
| 29 } | |
| 30 | |
| 31 [TestMethod] | |
| 32 public void RejectTest() { | |
| 33 int res = -1; | |
| 34 Exception err = null; | |
| 35 | |
| 36 var p = new Promise<int>(); | |
| 37 p.Then( | |
| 38 x => res = x, | |
| 39 e => { | |
| 40 err = e; | |
| 41 return -2; | |
| 42 } | |
| 43 ); | |
| 44 p.Reject(new ApplicationException("error")); | |
| 45 | |
| 46 Assert.AreEqual(res, -1); | |
| 47 Assert.AreEqual(err.Message, "error"); | |
| 48 | |
| 49 } | |
| 50 | |
| 51 [TestMethod] | |
| 52 public void CancelExceptionTest() { | |
| 53 var p = new Promise<bool>(); | |
| 54 p.Cancel(); | |
| 55 | |
| 56 var p2 = p.Cancelled(() => { | |
| 57 throw new ApplicationException("CANCELLED"); | |
| 58 }); | |
| 59 | |
| 60 try { | |
| 61 p2.Join(); | |
| 62 Assert.Fail(); | |
| 63 } catch (ApplicationException err) { | |
| 64 Assert.AreEqual("CANCELLED", err.InnerException.Message); | |
| 65 } | |
| 66 | |
| 67 } | |
| 68 | |
| 69 [TestMethod] | |
| 70 public void ContinueOnCancelTest() { | |
| 71 var p = new Promise<bool>(); | |
| 72 p.Cancel(); | |
| 73 | |
| 74 var p2 = p | |
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75 .Cancelled<bool>(() => { |
| 77 | 76 throw new ApplicationException("CANCELLED"); |
| 77 }) | |
| 78 .Error(e => true); | |
| 79 | |
| 80 Assert.AreEqual(true, p2.Join()); | |
| 81 } | |
| 82 | |
| 83 [TestMethod] | |
| 84 public void JoinSuccessTest() { | |
| 85 var p = new Promise<int>(); | |
| 86 p.Resolve(100); | |
| 87 Assert.AreEqual(p.Join(), 100); | |
| 88 } | |
| 89 | |
| 90 [TestMethod] | |
| 91 public void JoinFailTest() { | |
| 92 var p = new Promise<int>(); | |
| 93 p.Reject(new ApplicationException("failed")); | |
| 94 | |
| 95 try { | |
| 96 p.Join(); | |
| 97 throw new ApplicationException("WRONG!"); | |
| 98 } catch (TargetInvocationException err) { | |
| 99 Assert.AreEqual(err.InnerException.Message, "failed"); | |
| 100 } catch { | |
| 101 Assert.Fail("Got wrong excaption"); | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 [TestMethod] | |
| 106 public void MapTest() { | |
| 107 var p = new Promise<int>(); | |
| 108 | |
| 109 var p2 = p.Then(x => x.ToString()); | |
| 110 p.Resolve(100); | |
| 111 | |
| 112 Assert.AreEqual(p2.Join(), "100"); | |
| 113 } | |
| 114 | |
| 115 [TestMethod] | |
| 116 public void FixErrorTest() { | |
| 117 var p = new Promise<int>(); | |
| 118 | |
| 119 var p2 = p.Error(e => 101); | |
| 120 | |
| 121 p.Reject(new Exception()); | |
| 122 | |
| 123 Assert.AreEqual(p2.Join(), 101); | |
| 124 } | |
| 125 | |
| 126 [TestMethod] | |
| 127 public void ChainTest() { | |
| 128 var p1 = new Promise<int>(); | |
| 129 | |
| 130 var p3 = p1.Chain(x => { | |
| 131 var p2 = new Promise<string>(); | |
| 132 p2.Resolve(x.ToString()); | |
| 133 return p2; | |
| 134 }); | |
| 135 | |
| 136 p1.Resolve(100); | |
| 137 | |
| 138 Assert.AreEqual(p3.Join(), "100"); | |
| 139 } | |
| 140 | |
| 141 [TestMethod] | |
| 105 | 142 public void ChainFailTest() { |
| 143 var p1 = new Promise<int>(); | |
| 144 | |
| 145 var p3 = p1.Chain(x => { | |
| 146 var p2 = new Promise<string>(); | |
| 147 p2.Reject(new Exception("DIE!!!")); | |
| 148 return p2; | |
| 149 }); | |
| 150 | |
| 151 p1.Resolve(100); | |
| 152 | |
| 153 Assert.IsTrue(p3.IsResolved); | |
| 154 } | |
| 155 | |
| 156 [TestMethod] | |
| 77 | 157 public void PoolTest() { |
| 158 var pid = Thread.CurrentThread.ManagedThreadId; | |
| 159 var p = AsyncPool.Invoke(() => Thread.CurrentThread.ManagedThreadId); | |
| 160 | |
| 161 Assert.AreNotEqual(pid, p.Join()); | |
| 162 } | |
| 163 | |
| 164 [TestMethod] | |
| 165 public void WorkerPoolSizeTest() { | |
| 81 | 166 var pool = new WorkerPool(5, 10, 1); |
| 77 | 167 |
| 168 Assert.AreEqual(5, pool.PoolSize); | |
| 169 | |
| 170 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); | |
| 171 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); | |
| 172 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); | |
| 173 | |
| 174 Assert.AreEqual(5, pool.PoolSize); | |
| 175 | |
| 176 for (int i = 0; i < 100; i++) | |
| 177 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); | |
| 178 Thread.Sleep(200); | |
| 179 Assert.AreEqual(10, pool.PoolSize); | |
| 180 | |
| 181 pool.Dispose(); | |
| 182 } | |
| 183 | |
| 184 [TestMethod] | |
| 185 public void WorkerPoolCorrectTest() { | |
| 186 var pool = new WorkerPool(0,1000,100); | |
| 187 | |
| 188 const int iterations = 1000; | |
| 189 int pending = iterations; | |
| 190 var stop = new ManualResetEvent(false); | |
| 191 | |
| 192 var count = 0; | |
| 193 for (int i = 0; i < iterations; i++) { | |
| 194 pool | |
| 195 .Invoke(() => 1) | |
| 196 .Then(x => Interlocked.Add(ref count, x)) | |
| 197 .Then(x => Math.Log10(x)) | |
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198 .On(() => { |
| 77 | 199 Interlocked.Decrement(ref pending); |
| 200 if (pending == 0) | |
| 201 stop.Set(); | |
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202 }, PromiseEventType.All); |
| 77 | 203 } |
| 204 | |
| 205 stop.WaitOne(); | |
| 206 | |
| 207 Assert.AreEqual(iterations, count); | |
| 208 Console.WriteLine("Max threads: {0}", pool.MaxRunningThreads); | |
| 209 pool.Dispose(); | |
| 210 | |
| 211 } | |
| 212 | |
| 213 [TestMethod] | |
| 214 public void WorkerPoolDisposeTest() { | |
| 215 var pool = new WorkerPool(5, 20); | |
| 216 Assert.AreEqual(5, pool.PoolSize); | |
| 217 pool.Dispose(); | |
| 218 Thread.Sleep(500); | |
| 219 Assert.AreEqual(0, pool.PoolSize); | |
| 220 pool.Dispose(); | |
| 221 } | |
| 222 | |
| 223 [TestMethod] | |
| 224 public void MTQueueTest() { | |
| 225 var queue = new MTQueue<int>(); | |
| 226 int res; | |
| 227 | |
| 228 queue.Enqueue(10); | |
| 229 Assert.IsTrue(queue.TryDequeue(out res)); | |
| 230 Assert.AreEqual(10, res); | |
| 231 Assert.IsFalse(queue.TryDequeue(out res)); | |
| 232 | |
| 233 for (int i = 0; i < 1000; i++) | |
| 234 queue.Enqueue(i); | |
| 235 | |
| 236 for (int i = 0; i < 1000; i++) { | |
| 237 queue.TryDequeue(out res); | |
| 238 Assert.AreEqual(i, res); | |
| 239 } | |
| 240 | |
| 241 int writers = 0; | |
| 242 int readers = 0; | |
| 243 var stop = new ManualResetEvent(false); | |
| 244 int total = 0; | |
| 245 | |
| 246 const int itemsPerWriter = 10000; | |
| 247 const int writersCount = 10; | |
| 248 | |
| 249 for (int i = 0; i < writersCount; i++) { | |
| 250 Interlocked.Increment(ref writers); | |
| 251 AsyncPool | |
| 252 .InvokeNewThread(() => { | |
| 253 for (int ii = 0; ii < itemsPerWriter; ii++) { | |
| 254 queue.Enqueue(1); | |
| 255 } | |
| 256 return 1; | |
| 257 }) | |
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258 .On(() => Interlocked.Decrement(ref writers), PromiseEventType.All); |
| 77 | 259 } |
| 260 | |
| 261 for (int i = 0; i < 10; i++) { | |
| 262 Interlocked.Increment(ref readers); | |
| 263 AsyncPool | |
| 264 .InvokeNewThread(() => { | |
| 265 int t; | |
| 266 do { | |
| 267 while (queue.TryDequeue(out t)) | |
| 268 Interlocked.Add(ref total, t); | |
| 269 } while (writers > 0); | |
| 270 return 1; | |
| 271 }) | |
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272 .On(() => { |
| 77 | 273 Interlocked.Decrement(ref readers); |
| 274 if (readers == 0) | |
| 275 stop.Set(); | |
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276 }, PromiseEventType.All); |
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277 } |
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278 |
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279 stop.WaitOne(); |
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280 |
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281 Assert.AreEqual(100000, total); |
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282 } |
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283 |
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284 [TestMethod] |
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285 public void AsyncQueueTest() { |
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286 var queue = new AsyncQueue<int>(); |
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287 int res; |
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288 |
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289 queue.Enqueue(10); |
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290 Assert.IsTrue(queue.TryDequeue(out res)); |
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291 Assert.AreEqual(10, res); |
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292 Assert.IsFalse(queue.TryDequeue(out res)); |
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293 |
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294 for (int i = 0; i < 1000; i++) |
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295 queue.Enqueue(i); |
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296 |
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297 for (int i = 0; i < 1000; i++) { |
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298 queue.TryDequeue(out res); |
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299 Assert.AreEqual(i, res); |
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300 } |
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301 |
| 121 | 302 const int count = 10000000; |
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303 |
| 121 | 304 int res1 = 0, res2 = 0; |
| 305 var t1 = Environment.TickCount; | |
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306 |
| 121 | 307 AsyncPool.RunThread( |
| 308 () => { | |
| 309 for (var i = 0; i < count; i++) | |
| 310 queue.Enqueue(1); | |
| 311 Console.WriteLine("done writer #1: {0} ms", Environment.TickCount - t1); | |
| 312 }, | |
| 313 () => { | |
| 314 for (var i = 0; i < count; i++) | |
| 315 queue.Enqueue(2); | |
| 316 Console.WriteLine("done writer #2: {0} ms", Environment.TickCount - t1); | |
| 317 }, | |
| 318 () => { | |
| 319 int temp; | |
| 320 int i = 0; | |
| 321 while (i < count) | |
| 322 if (queue.TryDequeue(out temp)) { | |
| 323 i++; | |
| 324 res1 += temp; | |
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325 } |
| 121 | 326 Console.WriteLine("done reader #1: {0} ms", Environment.TickCount - t1); |
| 327 }, | |
| 328 () => { | |
| 329 int temp; | |
| 330 int i = 0; | |
| 331 while (i < count) | |
| 332 if (queue.TryDequeue(out temp)) { | |
| 333 i++; | |
| 334 res2 += temp; | |
| 335 } | |
| 336 Console.WriteLine("done reader #2: {0} ms", Environment.TickCount - t1); | |
| 337 } | |
| 338 ) | |
| 339 .Combine() | |
| 340 .Join(); | |
| 341 | |
| 342 Assert.AreEqual(count * 3, res1 + res2); | |
| 343 | |
| 344 Console.WriteLine( | |
| 345 "done: {0} ms, summ#1: {1}, summ#2: {2}, total: {3}, count: {4}", | |
| 346 Environment.TickCount - t1, | |
| 347 res1, | |
| 348 res2, | |
| 349 res1 + res2, | |
| 350 count | |
| 351 ); | |
| 352 } | |
| 353 | |
| 354 [TestMethod] | |
| 355 public void AsyncQueueBatchTest() { | |
| 356 var queue = new AsyncQueue<int>(); | |
| 357 | |
| 358 const int wBatch = 29; | |
| 359 const int wCount = 400000; | |
| 360 const int total = wBatch * wCount * 2; | |
| 361 const int summ = wBatch * wCount * 3; | |
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362 |
| 121 | 363 int r1 = 0, r2 = 0; |
| 364 const int rBatch = 111; | |
| 365 int read = 0; | |
| 366 | |
| 367 var t1 = Environment.TickCount; | |
| 368 | |
| 369 AsyncPool.RunThread( | |
| 370 () => { | |
| 371 var buffer = new int[wBatch]; | |
| 372 for(int i = 0; i<wBatch; i++) | |
| 373 buffer[i] = 1; | |
| 374 | |
| 375 for(int i =0; i < wCount; i++) | |
| 376 queue.EnqueueRange(buffer,0,wBatch); | |
| 377 Console.WriteLine("done writer #1: {0} ms", Environment.TickCount - t1); | |
| 378 }, | |
| 379 () => { | |
| 380 var buffer = new int[wBatch]; | |
| 381 for(int i = 0; i<wBatch; i++) | |
| 382 buffer[i] = 2; | |
| 383 | |
| 384 for(int i =0; i < wCount; i++) | |
| 385 queue.EnqueueRange(buffer,0,wBatch); | |
| 386 Console.WriteLine("done writer #2: {0} ms", Environment.TickCount - t1); | |
| 387 }, | |
| 388 () => { | |
| 389 var buffer = new int[rBatch]; | |
| 77 | 390 |
| 121 | 391 while(read < total) { |
| 392 int actual; | |
| 393 if (queue.TryDequeueRange(buffer,0,rBatch,out actual)) { | |
| 394 for(int i=0; i< actual; i++) | |
| 395 r1 += buffer[i]; | |
| 396 Interlocked.Add(ref read, actual); | |
| 397 } | |
| 398 } | |
| 399 | |
| 400 Console.WriteLine("done reader #1: {0} ms", Environment.TickCount - t1); | |
| 401 }, | |
| 402 () => { | |
| 403 var buffer = new int[rBatch]; | |
| 77 | 404 |
| 121 | 405 while(read < total) { |
| 406 int actual; | |
| 407 if (queue.TryDequeueRange(buffer,0,rBatch,out actual)) { | |
| 408 for(int i=0; i< actual; i++) | |
| 409 r2 += buffer[i]; | |
| 410 Interlocked.Add(ref read, actual); | |
| 411 } | |
| 412 } | |
| 413 | |
| 414 Console.WriteLine("done reader #2: {0} ms", Environment.TickCount - t1); | |
| 415 } | |
| 416 ) | |
| 417 .Combine() | |
| 418 .Join(); | |
| 419 | |
| 420 Assert.AreEqual(summ , r1 + r2); | |
| 421 | |
| 422 Console.WriteLine( | |
| 423 "done: {0} ms, summ#1: {1}, summ#2: {2}, total: {3}, count: {4}", | |
| 424 Environment.TickCount - t1, | |
| 425 r1, | |
| 426 r2, | |
| 427 r1 + r2, | |
| 428 total | |
| 429 ); | |
| 77 | 430 } |
| 431 | |
| 432 [TestMethod] | |
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433 public void AsyncQueueChunkDequeueTest() { |
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434 var queue = new AsyncQueue<int>(); |
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435 |
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436 const int wBatch = 31; |
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437 const int wCount = 200000; |
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438 const int total = wBatch * wCount * 3; |
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439 const int summ = wBatch * wCount * 6; |
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440 |
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441 int r1 = 0, r2 = 0; |
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442 const int rBatch = 1024; |
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443 int read = 0; |
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444 |
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445 var t1 = Environment.TickCount; |
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446 |
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447 AsyncPool.RunThread( |
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448 () => { |
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449 var buffer = new int[wBatch]; |
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450 for(int i = 0; i<wBatch; i++) |
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451 buffer[i] = 1; |
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452 |
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453 for(int i =0; i < wCount; i++) |
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454 queue.EnqueueRange(buffer,0,wBatch); |
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455 Console.WriteLine("done writer #1: {0} ms", Environment.TickCount - t1); |
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456 }, |
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457 () => { |
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458 var buffer = new int[wBatch]; |
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459 for(int i = 0; i<wBatch; i++) |
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460 buffer[i] = 2; |
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461 |
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462 for(int i =0; i < wCount; i++) |
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463 queue.EnqueueRange(buffer,0,wBatch); |
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464 Console.WriteLine("done writer #2: {0} ms", Environment.TickCount - t1); |
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465 }, |
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466 () => { |
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467 var buffer = new int[wBatch]; |
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468 for(int i = 0; i<wBatch; i++) |
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469 buffer[i] = 3; |
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470 |
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471 for(int i =0; i < wCount; i++) |
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472 queue.EnqueueRange(buffer,0,wBatch); |
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473 Console.WriteLine("done writer #3: {0} ms", Environment.TickCount - t1); |
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474 }, |
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475 () => { |
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476 var buffer = new int[rBatch]; |
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477 int count = 1; |
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478 double avgchunk = 0; |
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479 while(read < total) { |
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480 int actual; |
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481 if (queue.TryDequeueChunk(buffer,0,rBatch,out actual)) { |
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482 for(int i=0; i< actual; i++) |
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483 r2 += buffer[i]; |
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484 Interlocked.Add(ref read, actual); |
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485 avgchunk = avgchunk*(count-1)/count + actual/(double)count; |
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486 count ++; |
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487 } |
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488 } |
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489 |
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490 Console.WriteLine("done reader #2: {0} ms, avg chunk size: {1}", Environment.TickCount - t1, avgchunk); |
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491 } |
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492 ) |
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493 .Combine() |
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494 .Join(); |
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495 |
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496 Assert.AreEqual(summ , r1 + r2); |
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497 |
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498 Console.WriteLine( |
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499 "done: {0} ms, summ#1: {1}, summ#2: {2}, total: {3}, count: {4}", |
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500 Environment.TickCount - t1, |
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501 r1, |
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502 r2, |
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503 r1 + r2, |
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504 total |
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505 ); |
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506 } |
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507 |
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508 [TestMethod] |
| 77 | 509 public void ParallelMapTest() { |
| 510 | |
| 511 const int count = 100000; | |
| 512 | |
| 513 var args = new double[count]; | |
| 514 var rand = new Random(); | |
| 515 | |
| 516 for (int i = 0; i < count; i++) | |
| 517 args[i] = rand.NextDouble(); | |
| 518 | |
| 519 var t = Environment.TickCount; | |
| 520 var res = args.ParallelMap(x => Math.Sin(x*x), 4).Join(); | |
| 521 | |
| 522 Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t); | |
| 523 | |
| 524 t = Environment.TickCount; | |
| 525 for (int i = 0; i < count; i++) | |
| 526 Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]); | |
| 527 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t); | |
| 528 } | |
| 529 | |
| 530 [TestMethod] | |
| 531 public void ChainedMapTest() { | |
| 532 | |
| 81 | 533 using (var pool = new WorkerPool(0,10,1)) { |
| 77 | 534 const int count = 10000; |
| 535 | |
| 536 var args = new double[count]; | |
| 537 var rand = new Random(); | |
| 538 | |
| 539 for (int i = 0; i < count; i++) | |
| 540 args[i] = rand.NextDouble(); | |
| 541 | |
| 542 var t = Environment.TickCount; | |
| 543 var res = args | |
| 544 .ChainedMap( | |
| 545 // Analysis disable once AccessToDisposedClosure | |
| 546 x => pool.Invoke( | |
| 547 () => Math.Sin(x * x) | |
| 548 ), | |
| 549 4 | |
| 550 ) | |
| 551 .Join(); | |
| 552 | |
| 553 Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t); | |
| 554 | |
| 555 t = Environment.TickCount; | |
| 556 for (int i = 0; i < count; i++) | |
| 557 Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]); | |
| 558 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t); | |
| 559 Console.WriteLine("Max workers: {0}", pool.MaxRunningThreads); | |
| 560 } | |
| 561 } | |
| 562 | |
| 563 [TestMethod] | |
| 564 public void ParallelForEachTest() { | |
| 565 | |
| 566 const int count = 100000; | |
| 567 | |
| 568 var args = new int[count]; | |
| 569 var rand = new Random(); | |
| 570 | |
| 571 for (int i = 0; i < count; i++) | |
| 572 args[i] = (int)(rand.NextDouble() * 100); | |
| 573 | |
| 574 int result = 0; | |
| 575 | |
| 576 var t = Environment.TickCount; | |
| 577 args.ParallelForEach(x => Interlocked.Add(ref result, x), 4).Join(); | |
| 578 | |
| 579 Console.WriteLine("Iteration complete in {0} ms, result: {1}", Environment.TickCount - t, result); | |
| 580 | |
| 581 int result2 = 0; | |
| 582 | |
| 583 t = Environment.TickCount; | |
| 584 for (int i = 0; i < count; i++) | |
| 585 result2 += args[i]; | |
| 586 Assert.AreEqual(result2, result); | |
| 587 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t); | |
| 588 } | |
| 589 | |
| 590 [TestMethod] | |
| 591 public void ComplexCase1Test() { | |
| 592 var flags = new bool[3]; | |
| 593 | |
| 594 // op1 (aync 200ms) => op2 (async 200ms) => op3 (sync map) | |
| 595 | |
| 596 var step1 = PromiseHelper | |
| 597 .Sleep(200, "Alan") | |
|
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598 .On(() => flags[0] = true, PromiseEventType.Cancelled); |
| 77 | 599 var p = step1 |
| 600 .Chain(x => | |
| 601 PromiseHelper | |
| 602 .Sleep(200, "Hi, " + x) | |
| 603 .Then(y => y) | |
|
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604 .On(() => flags[1] = true, PromiseEventType.Cancelled) |
| 77 | 605 ) |
|
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606 .On(() => flags[2] = true, PromiseEventType.Cancelled); |
| 77 | 607 step1.Join(); |
| 608 p.Cancel(); | |
| 609 try { | |
| 610 Assert.AreEqual(p.Join(), "Hi, Alan"); | |
| 611 Assert.Fail("Shouldn't get here"); | |
| 612 } catch (OperationCanceledException) { | |
| 613 } | |
| 614 | |
| 615 Assert.IsFalse(flags[0]); | |
| 616 Assert.IsTrue(flags[1]); | |
| 617 Assert.IsTrue(flags[2]); | |
| 618 } | |
| 619 | |
| 620 [TestMethod] | |
| 621 public void ChainedCancel1Test() { | |
| 622 // при отмене сцепленной асинхронной операции все обещание должно | |
| 623 // завершаться ошибкой OperationCanceledException | |
| 624 var p = PromiseHelper | |
| 625 .Sleep(1, "Hi, HAL!") | |
| 626 .Then(x => { | |
| 627 // запускаем две асинхронные операции | |
| 628 var result = PromiseHelper.Sleep(1000, "HEM ENABLED!!!"); | |
| 629 // вторая операция отменяет первую до завершения | |
| 630 PromiseHelper | |
| 631 .Sleep(100, "HAL, STOP!") | |
| 632 .Then(result.Cancel); | |
| 633 return result; | |
| 634 }); | |
| 635 try { | |
| 636 p.Join(); | |
| 637 } catch (TargetInvocationException err) { | |
| 638 Assert.IsTrue(err.InnerException is OperationCanceledException); | |
| 639 } | |
| 640 } | |
| 641 | |
| 642 [TestMethod] | |
| 643 public void ChainedCancel2Test() { | |
| 644 // при отмене цепочки обещаний, вложенные операции также должны отменяться | |
| 645 var pSurvive = new Promise<bool>(); | |
| 646 var hemStarted = new ManualResetEvent(false); | |
| 647 var p = PromiseHelper | |
| 648 .Sleep(1, "Hi, HAL!") | |
| 649 .Chain(x => { | |
| 650 hemStarted.Set(); | |
| 651 // запускаем две асинхронные операции | |
| 652 var result = PromiseHelper | |
| 106 | 653 .Sleep(100000000, "HEM ENABLED!!!") |
| 654 .Then(s => { | |
| 655 pSurvive.Resolve(false); | |
| 656 return s; | |
| 657 }); | |
| 77 | 658 |
| 659 result | |
| 660 .Cancelled(() => pSurvive.Resolve(true)); | |
| 661 | |
| 662 return result; | |
| 663 }); | |
| 664 | |
| 665 hemStarted.WaitOne(); | |
| 666 p.Cancel(); | |
| 667 | |
| 668 try { | |
| 669 p.Join(); | |
| 670 } catch (OperationCanceledException) { | |
| 671 Assert.IsTrue(pSurvive.Join()); | |
| 672 } | |
| 673 } | |
| 674 } | |
| 675 } | |
| 676 |