Synergy User Manual and Tutorial. - THE CORE MEMORY

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Synergy User Manual and Tutorial Worker: chunk_size 100 matrix_row 400 Worker: Putting 400 Worker: Recieved the terminal signal Worker: Terminated 184
Synergy User Manual and Tutorial Optimized Programs Optimized Matrix Multiplication with Chunking The following is the tuple space “optimized matrix multiplication” master program implemented by sending work in chunks: #include #include #include // The A matrix to break up into arrays // and send to workers double A[N][N]; double B[N][N]; double C[N][N]; #include "matrix.h" // Main function main(){ int processors; // Number of processors int chunk_size; // Chunk size int remaining; // Remaining arrays of work int i, j; // Matrix indices int matrix_row; // Index of matrix row int array_pos; // Array position in rows array int status; // Return status for tuple operations int res; // Result tuple space identifier int tsd; // Problem tuple space identifier double *rows; // Rows from A to send to worker double worker_time; // Sum of times returned by workers double total_time; // Total application run time int tplength; // Length of ts entry char tpname[20]; // Identifier of ts entry char host[128]; // Host machine name // Get host machine name gethostname(host, sizeof(host)); // Get time stamp total_time = wall_clock(); // Open tuple spaces printf("Master: Opening tuple spaces\n"); // Open problem tuple space tsd = cnf_open("problem",0); // Open result tuple space res = cnf_open("result",0); printf("Master: Tuple spaces open complete\n"); 185
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