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Atomic Reference Fixes, main branch (2024.12.02.) #791

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Dec 2, 2024
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Atomic Reference Fixes, main branch (2024.12.02.) #791

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16 changes: 10 additions & 6 deletions device/common/include/traccc/finding/device/impl/find_tracks.ipp
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Original file line number Diff line number Diff line change
Expand Up @@ -62,8 +62,9 @@ TRACCC_DEVICE inline void find_tracks(
vecmem::device_vector<unsigned int> out_params_liveness(
payload.out_params_liveness_view);
vecmem::device_vector<candidate_link> links(payload.links_view);
vecmem::device_atomic_ref<unsigned int> num_total_candidates(
*payload.n_total_candidates);
vecmem::device_atomic_ref<unsigned int,
vecmem::device_address_space::global>
num_total_candidates(*payload.n_total_candidates);
vecmem::device_vector<const detray::geometry::barcode> barcodes(
payload.barcodes_view);
vecmem::device_vector<const unsigned int> upper_bounds(
Expand Down Expand Up @@ -155,9 +156,11 @@ TRACCC_DEVICE inline void find_tracks(
for (; curr_meas < num_meas &&
shared_payload.shared_candidates_size < thread_id.getBlockDimX();
curr_meas++) {
unsigned int idx = vecmem::device_atomic_ref<unsigned int>(
shared_payload.shared_candidates_size)
.fetch_add(1u);
unsigned int idx =
vecmem::device_atomic_ref<unsigned int,
vecmem::device_address_space::local>(
shared_payload.shared_candidates_size)
.fetch_add(1u);

/*
* The buffer elemements are tuples of the measurement index and
Expand Down Expand Up @@ -226,7 +229,8 @@ TRACCC_DEVICE inline void find_tracks(

// Increase the number of candidates (or branches) per input
// parameter
vecmem::device_atomic_ref<unsigned int>(
vecmem::device_atomic_ref<
unsigned int, vecmem::device_address_space::local>(
shared_payload
.shared_num_candidates[owner_local_thread_id])
.fetch_add(1u);
Expand Down
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