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tuple_client.c

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/*****************************************************************
 *
 * LinuxTuples - an open-source tuple space for Linux clusters
 * Copyright (c) 2003, Will Ware <wware@alum.mit.edu>
 * All rights reserved.
 * 
 *    Redistribution and use in source and binary forms, with or
 *    without modification, are permitted provided that the following
 *    conditions are met:
 * 
 *    + Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 *    + Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials provided
 *    with the distribution.
 *
 *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 *    CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 *    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 *    MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 *    CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 *    USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 *    AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 *    IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 *    THE POSSIBILITY OF SUCH DAMAGE.
 *
 *****************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include <math.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include "tuple.h"

#define PARALLEL 4

#define N  8 * 1024

int main(int argc, char *argv[])
{
        struct tuple *s, *t, *u;
        int i, j, iters = 0;
        int r1[PARALLEL], r2[PARALLEL], r3[PARALLEL];
        double x[N], y[N], mult;
        struct timeval T0, T1;
        int rndsock;
        struct context ctx;

        if (get_server_portnumber(&ctx)) {
                if (argc < 3) {
                        /* help message */
                        fprintf(stderr,
                                "Usage: %s <server> <pornumber>\n",
                                argv[0]);
                        exit(1);
                }
                strcpy(ctx.servername, argv[1]);
                ctx.portnumber = atoi(argv[2]);
        }
        
        rndsock = open("/dev/urandom", O_RDONLY);
        mult = 1.0 / pow(2.0, 31);
        for (i = 0; i < N; i++) {
                x[i] = mult * random_int();
                y[i] = mult * random_int();
        }

        s = make_tuple("siiis#s#", "fft",
                       0, 0, 0,
                       x, N * sizeof(double),
                       y, N * sizeof(double));

        t = make_tuple("siii??", "fft done", 0, 0, 0);

        gettimeofday(&T0, NULL);

        while (1) {

                for (j = 0; j < PARALLEL; j++) {
                        r1[j] = random_int();
                        r2[j] = random_int();
                        r3[j] = random_int();
                        s->elements[1].data.i = r1[j];
                        s->elements[2].data.i = r2[j];
                        s->elements[3].data.i = r3[j];
                        if (put_tuple(s, &ctx)) {
                                perror("put_tuple failed");
                                exit(1);
                        }
                }

                for (j = 0; j < PARALLEL; j++) {
                        t->elements[1].data.i = r1[j];
                        t->elements[2].data.i = r2[j];
                        t->elements[3].data.i = r3[j];
                        u = get_tuple(t, &ctx);
                        if (u == NULL) {
                                perror("get_tuple failed");
                                exit(1);
                        }
                }

                gettimeofday(&T1, NULL);
                iters += PARALLEL;
                printf("%f\n", TIMEVAL_DIFF(T0, T1) / iters);
        }

        close(rndsock);
        destroy_tuple(s);
        destroy_tuple(t);
        destroy_tuple(u);

        return 0;
}

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