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#include <lib94/lib94.hpp>
#include <cassert>
#include <ctime>
#include <mpi.h>
#include "constants.hpp"
static void do_round(const lib94::warrior *w1, const lib94::warrior *w2, int &w1_wins, int& w2_wins) {
const lib94::warrior *ws[2] = {w1, w2};
lib94::instruction background = {
.op = lib94::DAT, .mod = lib94::F,
.amode = lib94::DIRECT, .bmode = lib94::DIRECT,
.anumber = 0, .bnumber = 0
};
lib94::clear_core(background);
assert(lib94::init_round(ws, 2));
for (int i = 0; i < STEPS_TO_TIE; ++i) {
const lib94::warrior *result = lib94::single_step<false>();
if (result == w1) {
++w2_wins;
return;
}
if (result == w2) {
++w1_wins;
return;
}
}
}
void worker_main(const lib94::warrior *const *warriors) {
lib94::seed_prng(time(0));
int buffer[4] = {-1};
while (1) {
MPI_Send(buffer, 4, MPI_INT, 0, 1, MPI_COMM_WORLD);
MPI_Recv(buffer, 4, MPI_INT, 0, 0, MPI_COMM_WORLD, 0);
if (buffer[0] == -1)
return;
buffer[2] = 0;
buffer[3] = 0;
for (int i = 0; i < ROUNDS_PER_CHUNK; ++i)
do_round(warriors[buffer[0]], warriors[buffer[1]], buffer[2], buffer[3]);
}
}
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