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This commit is contained in:
Michael Zhang 2023-11-25 09:28:49 +00:00
parent 5fe38262c5
commit 0728eb468f
2 changed files with 12 additions and 12 deletions
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4
assignments/03/bench.sh
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@ -1,8 +1,8 @@
for dataset in $(echo "1000.txt" "10000.txt" "1000000.txt" "1000000.txt"); do
for dataset in $(echo "1000.txt" "10000.txt" "100000.txt" "1000000.txt"); do
for processors in $(echo 1 2 4 8 16 | tr ' ' '\n'); do
# file="dataset/both_$dataset"
file="/export/scratch/CSCI5451_F23/assignment-3/dataset/$dataset"
echo $processors $file;
mpirun -n $processors ./lpa $file >> out.txt
mpirun -n $processors ./lpa $file graphout.txt >> stdout.txt
done
done

20
assignments/03/lpa.cpp
View file

@ -362,28 +362,28 @@ int main(int argc, char **argv) {
// disk.
#pragma region
if (rank == 0) {
std::vector<int> all_assignments(total_num_nodes);
FILE *fp = fopen(argv[2], "w");
std::map<int, int> label_count;
int ctr = 0;
for (int process_idx = 0; process_idx < p; ++process_idx) {
pair this_node_range = node_ranges[process_idx];
int count = this_node_range.snd - this_node_range.fst;
if (process_idx == 0) {
for (int j = 0; j < count; ++j) {
all_assignments[this_node_range.fst + j] =
node_label_assignment_vec[j];
label_count[all_assignments[this_node_range.fst + j]]++;
// all_assignments[this_node_range.fst + j] =
// node_label_assignment_vec[j];
fprintf(fp, "%d\n", node_label_assignment_vec[j]);
label_count[node_label_assignment_vec[j]]++;
}
} else {
MPI_Recv(&all_assignments[this_node_range.fst], count, MPI_INT,
process_idx, TAG_SEND_FINAL_RESULT, MPI_COMM_WORLD, NULL);
int recvbuf[count];
MPI_Recv(&recvbuf, count, MPI_INT, process_idx, TAG_SEND_FINAL_RESULT,
MPI_COMM_WORLD, NULL);
for (int j = 0; j < count; ++j) {
label_count[all_assignments[this_node_range.fst + j]]++;
fprintf(fp, "%d\n", recvbuf[j]);
label_count[recvbuf[j]]++;
}
}
}
std::cout << "Done! " << label_count.size() << std::endl;
} else {
MPI_Send(node_label_assignment_vec, num_my_nodes, MPI_INT, 0,
TAG_SEND_FINAL_RESULT, MPI_COMM_WORLD);