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Location: CSY/reowolf/examples/bench_23/main.c

MH
Preparatory work for union literals

Contains horrible parsing hacks that transmute function calls and
enum literals to union literals if appropriate. Pending the
implementation of the tokenizer the AST can be constructed more
neatly.
#include <time.h>
#include "../../reowolf.h"
#include "../utility.c"
int main(int argc, char** argv) {
	int i;

	// 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));\
 //            }\
 //        }\
 //    }"
 //    ;
	unsigned char pdl[] = "\
	primitive lossy(in a, out b) {\
        while(true) synchronous {\
            if(fires(a)) {\
                msg m = get(a);\
                if(fires(b)) put(b, m);\
            }\
        }\
    }\
    primitive sync_drain(in a, in b) {\
        while(true) synchronous {\
            if(fires(a)) {\
                get(a);\
                get(b);\
            }\
        }\
    }\
    composite xrouter(in a, out b, out c) {\
        channel d -> e;\
        channel f -> g;\
        channel h -> i;\
        channel j -> k;\
        channel l -> m;\
        channel n -> o;\
        channel p -> q;\
        channel r -> s;\
        channel t -> u;\
        new replicator(a, d, f);\
        new replicator(g, t, h);\
        new lossy(e, l);\
        new lossy(i, j);\
        new replicator(m, b, p);\
        new replicator(k, n, c);\
        new merger(q, o, r);\
        new sync_drain(u, s);\
    }"
    ;
	Arc_ProtocolDescription * pd = protocol_description_parse(pdl, sizeof(pdl)-1);
	Connector * c = connector_new_with_id(pd, 0);
	printf("Error str `%s`\n", reowolf_error_peek(NULL));

	PortId ports[6];
	for(i=0; i<3; i++) {
		connector_add_port_pair(c, &ports[2*i], &ports[2*i+1]);
	}
	// [native~~~~~~~~~~]
	//  0  1  2  3  4  5
	//  |  ^  |  ^  |  ^  
	//  `--`  `--`  `--`  
	char ident[] = "xrouter";
	connector_add_component(
		c,
		ident,
		sizeof(ident)-1,
		(PortId[]) { ports[1], ports[2], ports[4] },
		3);
	printf("Error str `%s`\n", reowolf_error_peek(NULL));

	// [native~~~~~~~~~~]
	//  0        3     5
	//  V        ^     ^  
	//  1        2     4  
	// [xrouter~~~~~~~~~]
	connector_connect(c, -1);
	printf("Connect OK!\n");
	
	int msg_len = 1000;
	char * msg = malloc(msg_len);
	memset(msg, 42, msg_len);

	{
		clock_t begin = clock();
		for (i=0; i<100000; i++) {
			connector_put_bytes(c, ports[0], msg, msg_len);
			connector_get(c, ports[3]);
			connector_sync(c, -1);
		}
		clock_t end = clock();
		double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
		printf("First: %f\n", time_spent);
	}
	{
		clock_t begin = clock();
		for (i=0; i<100000; i++) {
			connector_put_bytes(c, ports[0], msg, msg_len);
			connector_get(c, ports[5]);
			connector_sync(c, -1);
		}
		clock_t end = clock();
		double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
		printf("Second: %f\n", time_spent);
	}
	{
		clock_t begin = clock();
		for (i=0; i<100000; i++) {
			connector_put_bytes(c, ports[0], msg, msg_len);
			connector_get(c, ports[3 + (i%2)*2]);
			connector_sync(c, -1);
		}
		clock_t end = clock();
		double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
		printf("Alternating: %f\n", time_spent);
	}
	free(msg);
	return 0;
}