Esempio n. 1
0
        public unsafe void NativeInMemWriteRead()
        {
            OutputStruct output = default(OutputStruct);

            var key1 = new KeyStruct {
                kfield1 = 13, kfield2 = 14
            };
            var value = new ValueStruct {
                vfield1 = 23, vfield2 = 24
            };

            fht.Upsert(&key1, &value, null, 0);
            var status = fht.Read(&key1, null, &output, null, 0);

            if (status == Status.PENDING)
            {
                fht.CompletePending(true);
            }
            else
            {
                Assert.IsTrue(status == Status.OK);
            }

            Assert.IsTrue(output.value.vfield1 == value.vfield1);
            Assert.IsTrue(output.value.vfield2 == value.vfield2);
        }
        public unsafe void Populate()
        {
            List <Guid> tokens = new List <Guid>();

            Empty context;

            // Prepare the dataset
            var inputArray = new Input[numOps];

            for (int i = 0; i < numOps; i++)
            {
                inputArray[i].adId.adId           = i % numUniqueKeys;
                inputArray[i].numClicks.numClicks = 1;
            }

            // Register thread with FASTER
            fht.StartSession();

            // Prpcess the batch of input data
            fixed(Input *input = inputArray)
            {
                for (int i = 0; i < numOps; i++)
                {
                    fht.RMW(&((input + i)->adId), input + i, &context, i);

                    if (i % checkpointInterval == 0)
                    {
                        if (fht.TakeFullCheckpoint(out Guid token))
                        {
                            tokens.Add(token);
                        }
                    }

                    if (i % completePendingInterval == 0)
                    {
                        fht.CompletePending(false);
                    }
                    else if (i % refreshInterval == 0)
                    {
                        fht.Refresh();
                    }
                }
            }

            // Make sure operations are completed
            fht.CompletePending(true);

            // Deregister thread from FASTER
            fht.StopSession();

            Console.WriteLine("Populate successful");
            foreach (var token in tokens)
            {
                Console.WriteLine(token);
            }
            Console.ReadLine();
        }
Esempio n. 3
0
        private unsafe void PopulateWorker(int threadId)
        {
            Native32.AffinitizeThreadRoundRobin((uint)threadId);

            Empty context;

            var success = inputArrays.TryTake(out Input[] inputArray);

            if (!success)
            {
                Console.WriteLine("No input array for {0}", threadId);
                return;
            }

            // Register thread with the store
            fht.StartSession();

            Interlocked.Increment(ref numActiveThreads);

            // Process the batch of input data
            fixed(Input *input = inputArray)
            {
                for (long i = 0; i < numOps; i++)
                {
                    fht.RMW(&((input + i)->adId), input + i, &context, i);


                    if ((i + 1) % checkpointInterval == 0 && numActiveThreads == threadCount)
                    {
                        if (fht.TakeFullCheckpoint(out Guid token))
                        {
                            tokens.Add(token);
                        }
                    }

                    if (i % completePendingInterval == 0)
                    {
                        fht.CompletePending(false);
                    }
                    else if (i % refreshInterval == 0)
                    {
                        fht.Refresh();
                    }
                }
            }

            // Make sure operations are completed
            fht.CompletePending(true);

            // Deregister thread from FASTER
            fht.StopSession();

            //Interlocked.Decrement(ref numActiveThreads);

            Console.WriteLine("Populate successful on thread {0}", threadId);
        }
Esempio n. 4
0
        private unsafe void PopulateWorker(int threadId)
        {
            Native32.AffinitizeThreadRoundRobin((uint)threadId);

            Empty context;

            var success = inputArrays.TryTake(out Input[] inputArray);

            if (!success)
            {
                Console.WriteLine("No input array for {0}", threadId);
                return;
            }

            // Register thread with the store
            fht.StartSession();

            Interlocked.Increment(ref numActiveThreads);

            // Process the batch of input data
            var random = new Random(threadId + 1);

            threadNumOps[threadId] = (numOps / 2) + random.Next() % (numOps / 4);

            fixed(Input *input = inputArray)
            {
                for (long i = 0; i < threadNumOps[threadId]; i++)
                {
                    fht.RMW(&((input + i)->adId), input + i, &context, i);

                    if (i % completePendingInterval == 0)
                    {
                        fht.CompletePending(false);
                    }
                    else if (i % refreshInterval == 0)
                    {
                        fht.Refresh();
                    }
                }
            }

            // Make sure operations are completed
            fht.CompletePending(true);

            // Deregister thread from FASTER
            fht.StopSession();

            //Interlocked.Decrement(ref numActiveThreads);

            Console.WriteLine("Populate successful on thread {0}", threadId);
        }
Esempio n. 5
0
        public unsafe void Populate()
        {
            Empty context;

            // Prepare the dataset
            var inputArray = new Input[numOps];

            for (int i = 0; i < numOps; i++)
            {
                inputArray[i].adId.adId           = i % numUniqueKeys;
                inputArray[i].numClicks.numClicks = 1;
            }

            // Register thread with FASTER
            fht.StartSession();

            // Prpcess the batch of input data
            bool first = true;

            fixed(Input *input = inputArray)
            {
                for (int i = 0; i < numOps; i++)
                {
                    fht.RMW(&((input + i)->adId), input + i, &context, i);

                    if ((i + 1) % checkpointInterval == 0)
                    {
                        if (first)
                        {
                            while (!fht.TakeFullCheckpoint(out token))
                            {
                                fht.Refresh();
                            }
                        }
                        else
                        {
                            while (!fht.TakeFullCheckpoint(out Guid nextToken))
                            {
                                fht.Refresh();
                            }
                        }

                        first = false;
                    }

                    if (i % completePendingInterval == 0)
                    {
                        fht.CompletePending(false);
                    }
                    else if (i % refreshInterval == 0)
                    {
                        fht.Refresh();
                    }
                }
            }

            // Make sure operations are completed
            fht.CompletePending(true);

            // Deregister thread from FASTER
            fht.StopSession();
        }
Esempio n. 6
0
        public unsafe void SimpleRecoveryTest1()
        {
            log = FasterFactory.CreateLogDevice(TestContext.CurrentContext.TestDirectory + "\\hlog", deleteOnClose: true);

            Directory.CreateDirectory(TestContext.CurrentContext.TestDirectory + "\\checkpoints");

            fht1 = FasterFactory.Create
                   <AdId, NumClicks, Input, Output, Empty, SimpleFunctions, ICustomFaster>
                       (indexSizeBuckets: 128,
                       logSettings: new LogSettings {
                LogDevice = log, MutableFraction = 0.1, MemorySizeBits = 29
            },
                       checkpointSettings: new CheckpointSettings {
                CheckpointDir = TestContext.CurrentContext.TestDirectory + "\\checkpoints", CheckPointType = CheckpointType.Snapshot
            }
                       );

            fht2 = FasterFactory.Create
                   <AdId, NumClicks, Input, Output, Empty, SimpleFunctions, ICustomFaster>
                       (indexSizeBuckets: 128,
                       logSettings: new LogSettings {
                LogDevice = log, MutableFraction = 0.1, MemorySizeBits = 29
            },
                       checkpointSettings: new CheckpointSettings {
                CheckpointDir = TestContext.CurrentContext.TestDirectory + "\\checkpoints", CheckPointType = CheckpointType.Snapshot
            }
                       );


            int numOps     = 5000;
            var inputArray = new AdId[numOps];

            for (int i = 0; i < numOps; i++)
            {
                inputArray[i].adId = i;
            }

            NumClicks value;
            Input     inputArg;
            Output    output;


            fixed(AdId *input = inputArray)
            {
                fht1.StartSession();
                for (int key = 0; key < numOps; key++)
                {
                    value.numClicks = key;
                    fht1.Upsert(input + key, &value, null, 0);
                }
                fht1.TakeFullCheckpoint(out Guid token);
                fht1.CompleteCheckpoint(true);
                fht1.StopSession();

                fht2.Recover(token);
                fht2.StartSession();
                for (int key = 0; key < numOps; key++)
                {
                    var status = fht2.Read(input + key, &inputArg, &output, null, 0);

                    if (status == Status.PENDING)
                    {
                        fht2.CompletePending(true);
                    }
                    else
                    {
                        Assert.IsTrue(output.value.numClicks == key);
                    }
                }
                fht2.StopSession();
            }

            log.Close();
            fht1.Dispose();
            fht2.Dispose();
            new DirectoryInfo(TestContext.CurrentContext.TestDirectory + "\\checkpoints").Delete(true);
        }