working: rip why is it slower
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parent
d477611892
commit
0619d79caa
2 changed files with 26 additions and 17 deletions
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@ -1,10 +1,10 @@
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.PHONY: run clean
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.PHONY: run clean
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CFLAGS += -g -pg
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# CFLAGS += -O3
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# CFLAGS += -DFMT_HEADER_ONLY -O3
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CFLAGS += -DFMT_HEADER_ONLY -g
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# LDFLAGS += $(shell pkg-config --libs fmt)
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# LDFLAGS += $(shell pkg-config --libs fmt)
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lpa: lpa.cpp Makefile test.gdb
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lpa: lpa.cpp Makefile
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mpic++ $(CFLAGS) $(LDFLAGS) -o $@ lpa.cpp
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mpic++ $(CFLAGS) $(LDFLAGS) -o $@ lpa.cpp
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lpac: lpa.cpp
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lpac: lpa.cpp
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@ -14,8 +14,10 @@
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#include <unistd.h>
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#include <unistd.h>
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#include <utility>
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#include <utility>
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// #include <fmt/format.h>
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#ifdef FMT_HEADER_ONLY
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// #include <fmt/ranges.h>
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#include <fmt/format.h>
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#include <fmt/ranges.h>
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#endif
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#define TAG_SEND_NUM_EDGES 1001
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#define TAG_SEND_NUM_EDGES 1001
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#define TAG_SEND_EDGES 1002
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#define TAG_SEND_EDGES 1002
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@ -291,10 +293,6 @@ int main(int argc, char **argv) {
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}
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}
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}
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}
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// std::cout << fmt::format("[{}] Helloge {}", rank,
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// fmt::join(new_labels, ", "))
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// << std::endl;
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// Have there been any changes in the labels?
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// Have there been any changes in the labels?
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int num_changes = new_labels.size();
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int num_changes = new_labels.size();
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int total_changes;
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int total_changes;
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@ -353,11 +351,7 @@ int main(int argc, char **argv) {
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std::cout << "Done! " << label_count.size() << std::endl;
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std::cout << "Done! " << label_count.size() << std::endl;
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} else {
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} else {
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std::vector<int> flat_assignments;
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MPI_Send(node_label_assignment_vec, num_my_nodes, MPI_INT, 0,
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for (int i = 0; i < num_my_nodes; ++i) {
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flat_assignments.push_back(node_label_assignment_vec[i]);
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}
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MPI_Send(flat_assignments.data(), flat_assignments.size(), MPI_INT, 0,
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TAG_SEND_FINAL_RESULT, MPI_COMM_WORLD);
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TAG_SEND_FINAL_RESULT, MPI_COMM_WORLD);
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}
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}
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#pragma endregion
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#pragma endregion
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@ -428,6 +422,21 @@ int lookup_assignment(int *base_node_assignment, pair my_node_range,
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int index = -1, ctr = 0;
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int index = -1, ctr = 0;
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std::vector<int> inner(recv_map[process_from].begin(),
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std::vector<int> inner(recv_map[process_from].begin(),
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recv_map[process_from].end());
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recv_map[process_from].end());
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// {
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// int lo = 0, hi = count;
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// while (lo < hi) {
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// int mid = (lo + hi) / 2;
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// int midk = inner[mid];
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// if (node_number < midk)
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// hi = mid;
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// else if (node_number > midk)
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// lo = mid;
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// else {
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// index = mid;
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// break;
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// }
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// }
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// }
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for (int i = 0; i < count; ++i) {
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for (int i = 0; i < count; ++i) {
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int remote_node = inner[i];
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int remote_node = inner[i];
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if (node_number == remote_node) {
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if (node_number == remote_node) {
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