Exemplo n.º 1
0
        public static void ForEach <TKey, TValue, TLocal>([NotNull] Dictionary <TKey, TValue> collection, [Pooled] Func <TLocal> initializeLocal, [Pooled] Action <KeyValuePair <TKey, TValue>, TLocal> action, [Pooled] Action <TLocal> finalizeLocal = null)
        {
            if (MaxDegreeOfParallelism <= 1 || collection.Count <= 1)
            {
                ExecuteBatch(collection, 0, collection.Count, initializeLocal, action, finalizeLocal);
            }
            else
            {
                var state = BatchState.Acquire();

                try
                {
                    var batchCount = Math.Min(MaxDegreeOfParallelism, collection.Count);
                    var batchSize  = (collection.Count + (batchCount - 1)) / batchCount;

                    // Kick off a worker, then perform work synchronously
                    state.AddReference();
                    Fork(collection, batchSize, MaxDegreeOfParallelism, initializeLocal, action, finalizeLocal, state);

                    // Wait for all workers to finish
                    if (state.ActiveWorkerCount != 0)
                    {
                        state.Finished.WaitOne();
                    }
                }
                finally
                {
                    state.Release();
                }
            }
        }
Exemplo n.º 2
0
        public static void ForEach <TKey, TValue, TLocal>([NotNull] Dictionary <TKey, TValue> collection, [Pooled] Func <TLocal> initializeLocal, [Pooled] Action <KeyValuePair <TKey, TValue>, TLocal> action, [Pooled] Action <TLocal> finalizeLocal = null)
        {
            if (MaxDegreeOfParallelism <= 1 || collection.Count <= 1)
            {
                ExecuteBatch(collection, 0, collection.Count, initializeLocal, action, finalizeLocal);
            }
            else
            {
                var state = BatchState.Acquire();

                try
                {
                    var batchCount = Math.Min(MaxDegreeOfParallelism, collection.Count);
                    var batchSize  = (collection.Count + (batchCount - 1)) / batchCount;

                    // Kick off a worker, then perform work synchronously
                    state.AddReference();
                    Fork(collection, batchSize, MaxDegreeOfParallelism, initializeLocal, action, finalizeLocal, state);

                    // Wait for all workers to finish
                    state.WaitCompletion(collection.Count);

                    var ex = Interlocked.Exchange(ref state.ExceptionThrown, null);
                    if (ex != null)
                    {
                        throw ex;
                    }
                }
                finally
                {
                    state.Release();
                }
            }
        }
Exemplo n.º 3
0
        public static void ForEach <TKey, TValue>(Dictionary <TKey, TValue> collection, [Pooled] Action <KeyValuePair <TKey, TValue> > action)
        {
            if (MaxDregreeOfParallelism <= 1 || collection.Count <= 1)
            {
                ExecuteBatch(collection, 0, collection.Count, action);
            }
            else
            {
                var state = BatchState.Acquire();

                try
                {
                    int batchCount = Math.Min(MaxDregreeOfParallelism, collection.Count);
                    int batchSize  = (collection.Count + (batchCount - 1)) / batchCount;

                    // Kick off a worker, then perform work synchronously
                    state.AddReference();
                    Fork(collection, batchSize, MaxDregreeOfParallelism, action, state);

                    // Wait for all workers to finish
                    if (state.ActiveWorkerCount != 0)
                    {
                        state.Finished.WaitOne();
                    }
                }
                finally
                {
                    state.Release();
                }
            }
        }
Exemplo n.º 4
0
        public static void For <TLocal>(int fromInclusive, int toExclusive, [Pooled] Func <TLocal> initializeLocal, [Pooled] Action <int, TLocal> action, [Pooled] Action <TLocal> finalizeLocal = null)
        {
            using (Profile(action))
            {
                if (fromInclusive > toExclusive)
                {
                    var temp = fromInclusive;
                    fromInclusive = toExclusive + 1;
                    toExclusive   = temp + 1;
                }

                var count = toExclusive - fromInclusive;
                if (count == 0)
                {
                    return;
                }

                if (MaxDegreeOfParallelism <= 1 || count == 1)
                {
                    ExecuteBatch(fromInclusive, toExclusive, initializeLocal, action, finalizeLocal);
                }
                else
                {
                    var state = BatchState.Acquire();
                    state.WorkDone = state.StartInclusive = fromInclusive;

                    try
                    {
                        var batchCount = Math.Min(MaxDegreeOfParallelism, count);
                        var batchSize  = (count + (batchCount - 1)) / batchCount;

                        // Kick off a worker, then perform work synchronously
                        state.AddReference();
                        Fork(toExclusive, batchSize, MaxDegreeOfParallelism, initializeLocal, action, finalizeLocal, state);

                        // Wait for all workers to finish
                        if (state.WorkDone < toExclusive)
                        {
                            state.Finished.WaitOne();
                        }

                        var ex = Interlocked.Exchange(ref state.ExceptionThrown, null);
                        if (ex != null)
                        {
                            throw ex;
                        }
                    }
                    finally
                    {
                        state.Release();
                    }
                }
            }
        }
Exemplo n.º 5
0
        public static void For(int fromInclusive, int toExclusive, [Pooled] Action <int> action)
        {
            using (Profile(action))
            {
                if (fromInclusive > toExclusive)
                {
                    var temp = fromInclusive;
                    fromInclusive = toExclusive + 1;
                    toExclusive   = temp + 1;
                }

                var count = toExclusive - fromInclusive;
                if (count == 0)
                {
                    return;
                }

                if (MaxDegreeOfParallelism <= 1 || count == 1)
                {
                    ExecuteBatch(fromInclusive, toExclusive, action);
                }
                else
                {
                    var state = BatchState.Acquire();
                    state.StartInclusive = fromInclusive;

                    try
                    {
                        var batchCount = Math.Min(MaxDegreeOfParallelism, count);
                        var batchSize  = (count + (batchCount - 1)) / batchCount;

                        // Kick off a worker, then perform work synchronously
                        state.AddReference();
                        Fork(toExclusive, batchSize, MaxDegreeOfParallelism, action, state);

                        // Wait for all workers to finish
                        if (state.ActiveWorkerCount != 0)
                        {
                            state.Finished.WaitOne();
                        }
                    }
                    finally
                    {
                        state.Release();
                    }
                }
            }
        }