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Add devicemap to spmm benchmark #294

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merged 2 commits into from
Jul 26, 2024
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Add devicemap to spmm benchmark #294

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5ba125a
Add devicemap to spmm benchmark
devreal Jun 21, 2024
5569bdb
Remove bogus output
devreal Jun 27, 2024
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7 changes: 5 additions & 2 deletions examples/spmm/spmm_cuda.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -787,7 +787,11 @@ class SpMM25D {
, a_rowidx_to_colidx_(a_rowidx_to_colidx)
, b_colidx_to_rowidx_(b_colidx_to_rowidx) {
this->set_priomap([this](const Key<3> &ijk) { return this->prio(ijk); }); // map a key to an integral priority value

auto num_devices = ttg::device::num_devices();
this->set_devicemap(
[num_devices](const Key<3> &ijk){
return ((((uint64_t)ijk[0]) << 32) + ijk[1]) % num_devices;
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});
// for each {i,j} determine first k that contributes AND belongs to this node,
// initialize input {i,j,first_k} flow to 0
for (auto i = 0ul; i != a_rowidx_to_colidx_.size(); ++i) {
Expand Down Expand Up @@ -1344,7 +1348,6 @@ static void initBlSpHardCoded(const std::function<int(const Key<2> &)> &keymap,
a_colidx_to_rowidx[3].emplace_back(0); // A[0][3]

A.setFromTriplets(A_elements.begin(), A_elements.end());
std::cout << "A_elements.begin()" << A_elements.begin() << "A_elements.end()" << A_elements.end() << "\n";

if (buildRefs && 0 == rank) {
Aref.setFromTriplets(Aref_elements.begin(), Aref_elements.end());
Expand Down
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