Exemplo n.º 1
0
        public void ReadDocBatch(StreamReader file,
                                 String line,
                                 JoinVertex <Document, Author, int, JoinOutput, int> vertex)
        {
            var elements = line.Split(' ');

            if (elements[0] == "BEGIN")
            {
                int time       = Convert.ToInt32(elements[1]);
                int batch_size = Convert.ToInt32(elements[2]);
                Message <int, Document> msg =
                    new Message <int, Document>(time, batch_size);
                for (int i = 0; i < batch_size; i++)
                {
                    elements = file.ReadLine().Split(' ');
                    msg.put(new Document(Convert.ToInt32(elements[1]),
                                         Convert.ToInt32(elements[2]),
                                         Convert.ToInt32(elements[3]),
                                         elements[4]));
                }
                vertex.onReceive(msg);
            }
            else if (elements[0] == "END")
            {
                vertex.onNotify(Convert.ToInt32(elements[1]));
            }
        }
Exemplo n.º 2
0
        public void ReadAuthorBatch(StreamReader file,
                                    String line,
                                    JoinVertex <Document, Author, int, JoinOutput, int> vertex)
        {
            var elements = line.Split(' ');

            if (elements[0] == "BEGIN")
            {
                int time                  = Convert.ToInt32(elements[1]);
                int batch_size            = Convert.ToInt32(elements[2]);
                Message <int, Author> msg =
                    new Message <int, Author>(time, batch_size);
                for (int i = 0; i < batch_size; i++)
                {
                    elements = file.ReadLine().Split(' ');
                    msg.put(new Author(Convert.ToInt32(elements[1]),
                                       elements[2],
                                       Convert.ToInt32(elements[3])));
                }
                vertex.onReceive(msg);
            }
            else if (elements[0] == "END")
            {
                // NOTE: This is commented because we don't want to call onNotify
                // twice for the same time epoch.
                // vertex.onNotify(Convert.ToInt32(elements[1]));
            }
        }
Exemplo n.º 3
0
        public void Execute(string[] args)
        {
            JoinVertex <Document, Author, int, JoinOutput, int> joinVertex =
                new JoinVertex <Document, Author, int, JoinOutput, int>(
                    document => document.authorId,
                    author => author.id,
                    (document, author) => new JoinOutput(document.title, author.name,
                                                         author.age));

            //PlayData(joinVertex, args[0], args[1]);
            PlayDataFromMemory(joinVertex, args[0], args[1]);
        }
Exemplo n.º 4
0
        public void PlayData(JoinVertex <Document, Author, int, JoinOutput, int> joinVertex,
                             string docFileName, string authorFileName)
        {
            if (File.Exists(docFileName) && File.Exists(authorFileName))
            {
                using (StreamReader docFile = File.OpenText(docFileName))
                {
                    using (StreamReader authorFile = File.OpenText(authorFileName))
                    {
                        bool docEmpty    = false;
                        bool authorEmpty = false;
                        while (!docEmpty || !authorEmpty)
                        {
                            var line = docFile.ReadLine();
                            if (line != null)
                            {
                                ReadDocBatch(docFile, line, joinVertex);
                            }
                            else
                            {
                                docEmpty = true;
                            }

                            line = authorFile.ReadLine();
                            if (line != null)
                            {
                                ReadAuthorBatch(authorFile, line, joinVertex);
                            }
                            else
                            {
                                authorEmpty = true;
                            }
                        }
                    }
                }
            }
        }
Exemplo n.º 5
0
        public void PlayDataFromMemory(JoinVertex <Document, Author, int, JoinOutput, int> joinVertex,
                                       string docFileName, string authorFileName)
        {
            int timeEpoch = 0;
            RegionLinkedList <Message <int, Document> > msgsDocs;
            RegionLinkedList <Message <int, Author> >   msgsAuthors;

            using (StreamReader docFile = File.OpenText(docFileName))
            {
                using (StreamReader authorFile = File.OpenText(authorFileName))
                {
                    Region inputRegion =
                        RegionAllocator.AllocateRegion(NaiadSimulator.TMP_REGION_SIZE);
                    using (RegionContext regContext = RegionContext.Create(inputRegion))
                    {
                        bool docEmpty    = false;
                        bool authorEmpty = false;
                        msgsDocs    = new RegionLinkedList <Message <int, Document> >();
                        msgsAuthors = new RegionLinkedList <Message <int, Author> >();
                        while (!docEmpty || !authorEmpty)
                        {
                            var line = docFile.ReadLine();
                            if (line != null)
                            {
                                var elements = line.Split(' ');
                                if (elements[0] == "BEGIN")
                                {
                                    timeEpoch++;
                                    msgsDocs.InsertFirst(ReadUtils.ReadDocBatchMemory(docFile, line));
                                }
                            }
                            else
                            {
                                docEmpty = true;
                            }

                            line = authorFile.ReadLine();
                            if (line != null)
                            {
                                var elements = line.Split(' ');
                                if (elements[0] == "BEGIN")
                                {
                                    msgsAuthors.InsertFirst(ReadUtils.ReadAuthorBatchMemory(authorFile, line));
                                }
                            }
                            else
                            {
                                authorEmpty = true;
                            }
                        }
                    }
                }
            }
            Int64 start = RegionAllocator.NativeGetPerformanceCounter();
            Node <Message <int, Document> > curDocs    = msgsDocs.Head;
            Node <Message <int, Author> >   curAuthors = msgsAuthors.Head;

            while (curDocs != default(Node <Message <int, Document> >) &&
                   curAuthors != default(Node <Message <int, Author> >))
            {
                joinVertex.onReceive((Message <int, Document>)curDocs.Data.Clone());
                joinVertex.onReceive((Message <int, Author>)curAuthors.Data.Clone());
                joinVertex.onNotify(--timeEpoch);
                curDocs    = curDocs.Next;
                curAuthors = curAuthors.Next;
            }

            // NOTE: We do not free the input region because we don't want to include
            // it in measuring the runtime. The input region is just used as a
            // mechanism to load the data into memory.
            Int64 end = RegionAllocator.NativeGetPerformanceCounter();

            Utils.Print(end - start);
        }