CSY/reowolf Files · examples/bench_27/main.c · Centrum Wiskunde & Informatica (CWI)

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Initial casting implementation

Explicit casts can be performed with the syntax 'cast<type>(input)'
and implicit casts can be performed with the syntax 'cast(input)'
where the output type is determined by inference.

To prevent casting shenanigans we only allow casting of primitive
types and of types to themselves (essentially creating a copy).

#include <time.h>
#include "../../reowolf.h"
#include "../utility.c"
int main(int argc, char** argv) {
    int i, rounds;
    char optimized = argv[1][0];
    rounds = atoi(argv[2]);
    printf("optimized %c, rounds %d\n", optimized, rounds);

    unsigned char pdl[] = "\
    primitive xrouter(in a, out b, out c) {\
        while(true) synchronous {\
            if(fires(a)) {\
                if(fires(b)) put(b, get(a));\
                else         put(c, get(a));\
            }\
        }\
    }\
    ";
    Arc_ProtocolDescription * pd = protocol_description_parse(pdl, sizeof(pdl)-1);
    printf("Error str `%s`\n", reowolf_error_peek(NULL));
    Connector * c = connector_new_with_id(pd, 0);
    PortId ports[8];
    if(optimized=='y') {
        connector_add_port_pair(c, &ports[0], &ports[1]);
        connector_add_port_pair(c, &ports[2], &ports[7]); // 3,4,5,6 uninitialized
        connector_add_component(c, "sync", 4, ports+1, 2);
        printf("Error str `%s`\n", reowolf_error_peek(NULL));
    } else {
        for(i=0; i<4; i++) {
            connector_add_port_pair(c, &ports[i*2+0], &ports[i*2+1]);
        }
        connector_add_component(c, "xrouter", 7, (PortId[]) {ports[1],ports[2],ports[4]}, 3);
        printf("Error str `%s`\n", reowolf_error_peek(NULL));
        connector_add_component(c, "merger" , 6, (PortId[]) {ports[3],ports[5],ports[6]}, 3);
        printf("Error str `%s`\n", reowolf_error_peek(NULL));
    }
    connector_connect(c, -1);
    printf("Error str `%s`\n", reowolf_error_peek(NULL));

    size_t msg_len = 1000;
    char * msg = malloc(msg_len);
    memset(msg, 42, msg_len);
    
    clock_t begin = clock();
    for (i=0; i<rounds; i++) {
        connector_put_bytes(c, ports[0], msg, msg_len);
        connector_get(c, ports[7]);
        connector_sync(c, -1);
    }
    clock_t end = clock();
    double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
    printf("Time Spent: %f\n", time_spent);

    free(msg);
    return 0;
}