[FEA] Add bitset for ANN pre-filtering and deletion

build.sh

@@ -79,7 +79,7 @@ BUILD_REPORT_METRICS=""
 BUILD_REPORT_INCL_CACHE_STATS=OFF
 
 TEST_TARGETS="CLUSTER_TEST;CORE_TEST;DISTANCE_TEST;LABEL_TEST;LINALG_TEST;MATRIX_TEST;NEIGHBORS_TEST;NEIGHBORS_ANN_CAGRA_TEST;NEIGHBORS_ANN_NN_DESCENT_TEST;RANDOM_TEST;SOLVERS_TEST;SPARSE_TEST;SPARSE_DIST_TEST;SPARSE_NEIGHBORS_TEST;STATS_TEST;UTILS_TEST"
-BENCH_TARGETS="CLUSTER_BENCH;NEIGHBORS_BENCH;DISTANCE_BENCH;LINALG_BENCH;MATRIX_BENCH;SPARSE_BENCH;RANDOM_BENCH"
+BENCH_TARGETS="CLUSTER_BENCH;CORE_BENCH;NEIGHBORS_BENCH;DISTANCE_BENCH;LINALG_BENCH;MATRIX_BENCH;SPARSE_BENCH;RANDOM_BENCH"
 
 CACHE_ARGS=""
 NVTX=ON

cpp/bench/prims/CMakeLists.txt

@@ -77,6 +77,7 @@ if(BUILD_PRIMS_BENCH)
     NAME CLUSTER_BENCH PATH bench/prims/cluster/kmeans_balanced.cu bench/prims/cluster/kmeans.cu
     bench/prims/main.cpp OPTIONAL LIB EXPLICIT_INSTANTIATE_ONLY
   )
+  ConfigureBench(NAME CORE_BENCH PATH bench/prims/core/bitset.cu bench/prims/main.cpp)
 
   ConfigureBench(
     NAME TUNE_DISTANCE PATH bench/prims/distance/tune_pairwise/kernel.cu
@@ -155,4 +156,5 @@ if(BUILD_PRIMS_BENCH)
     LIB
     EXPLICIT_INSTANTIATE_ONLY
   )
+
 endif()

cpp/bench/prims/core/bitset.cu

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2023, NVIDIA CORPORATION.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <common/benchmark.hpp>
+#include <raft/core/bitset.cuh>
+#include <raft/core/device_mdspan.hpp>
+#include <rmm/device_uvector.hpp>
+
+namespace raft::bench::core {
+
+struct bitset_inputs {
+  uint32_t bitset_len;
+  uint32_t mask_len;
+  uint32_t query_len;
+};  // struct bitset_inputs
+
+template <typename bitset_t, typename index_t>
+struct bitset_bench : public fixture {
+  bitset_bench(const bitset_inputs& p)
+    : params(p),
+      mask{raft::make_device_vector<index_t, index_t>(res, p.mask_len)},
+      queries{raft::make_device_vector<index_t, index_t>(res, p.query_len)},
+      outputs{raft::make_device_vector<bool, index_t>(res, p.query_len)}
+  {
+    raft::random::RngState state{42};
+    raft::random::uniformInt(res, state, mask.view(), index_t{0}, index_t{p.bitset_len});
+  }
+
+  void run_benchmark(::benchmark::State& state) override
+  {
+    loop_on_state(state, [this]() {
+      auto my_bitset = raft::core::bitset<bitset_t, index_t>(
+        this->res, raft::make_const_mdspan(mask.view()), params.bitset_len);
+      my_bitset.test(res, raft::make_const_mdspan(queries.view()), outputs.view());
+    });
+  }
+
+ private:
+  raft::resources res;
+  bitset_inputs params;
+  raft::device_vector<index_t, index_t> mask, queries;
+  raft::device_vector<bool, index_t> outputs;
+};  // struct bitset
+
+const std::vector<bitset_inputs> bitset_input_vecs{
+  {256 * 1024 * 1024, 64 * 1024 * 1024, 256 * 1024 * 1024},    // Standard Bench
+  {256 * 1024 * 1024, 64 * 1024 * 1024, 1024 * 1024 * 1024},   // Extra queries
+  {128 * 1024 * 1024, 1024 * 1024 * 1024, 256 * 1024 * 1024},  // Extra mask to test atomics impact
+};
+
+using Uint8_32  = bitset_bench<uint8_t, uint32_t>;
+using Uint16_64 = bitset_bench<uint16_t, uint32_t>;
+using Uint32_32 = bitset_bench<uint32_t, uint32_t>;
+using Uint32_64 = bitset_bench<uint32_t, uint64_t>;
+
+RAFT_BENCH_REGISTER(Uint8_32, "", bitset_input_vecs);
+RAFT_BENCH_REGISTER(Uint16_64, "", bitset_input_vecs);
+RAFT_BENCH_REGISTER(Uint32_32, "", bitset_input_vecs);
+RAFT_BENCH_REGISTER(Uint32_64, "", bitset_input_vecs);
+
+}  // namespace raft::bench::core