diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 650bc1a059..d2820140f8 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -346,6 +346,10 @@ if(RAFT_COMPILE_LIBRARY)
     src/neighbors/detail/cagra/search_multi_cta_float_uint32_dim256_t16.cu
     src/neighbors/detail/cagra/search_multi_cta_float_uint32_dim512_t32.cu
     src/neighbors/detail/cagra/search_multi_cta_float_uint32_dim1024_t32.cu
+    src/neighbors/detail/cagra/search_multi_cta_float_uint64_dim128_t8.cu
+    src/neighbors/detail/cagra/search_multi_cta_float_uint64_dim256_t16.cu
+    src/neighbors/detail/cagra/search_multi_cta_float_uint64_dim512_t32.cu
+    src/neighbors/detail/cagra/search_multi_cta_float_uint64_dim1024_t32.cu
     src/neighbors/detail/cagra/search_multi_cta_half_uint32_dim128_t8.cu
     src/neighbors/detail/cagra/search_multi_cta_half_uint32_dim256_t16.cu
     src/neighbors/detail/cagra/search_multi_cta_half_uint32_dim512_t32.cu
@@ -362,6 +366,10 @@ if(RAFT_COMPILE_LIBRARY)
     src/neighbors/detail/cagra/search_single_cta_float_uint32_dim256_t16.cu
     src/neighbors/detail/cagra/search_single_cta_float_uint32_dim512_t32.cu
     src/neighbors/detail/cagra/search_single_cta_float_uint32_dim1024_t32.cu
+    src/neighbors/detail/cagra/search_single_cta_float_uint64_dim128_t8.cu
+    src/neighbors/detail/cagra/search_single_cta_float_uint64_dim256_t16.cu
+    src/neighbors/detail/cagra/search_single_cta_float_uint64_dim512_t32.cu
+    src/neighbors/detail/cagra/search_single_cta_float_uint64_dim1024_t32.cu
     src/neighbors/detail/cagra/search_single_cta_half_uint32_dim128_t8.cu
     src/neighbors/detail/cagra/search_single_cta_half_uint32_dim256_t16.cu
     src/neighbors/detail/cagra/search_single_cta_half_uint32_dim512_t32.cu
diff --git a/cpp/include/raft/neighbors/detail/cagra/search_multi_cta_kernel-ext.cuh b/cpp/include/raft/neighbors/detail/cagra/search_multi_cta_kernel-ext.cuh
index 7a5ad17460..a8e27a84a0 100644
--- a/cpp/include/raft/neighbors/detail/cagra/search_multi_cta_kernel-ext.cuh
+++ b/cpp/include/raft/neighbors/detail/cagra/search_multi_cta_kernel-ext.cuh
@@ -94,6 +94,14 @@ instantiate_kernel_selection(
   16, 256, float, uint32_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
 instantiate_kernel_selection(
   32, 512, float, uint32_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
+instantiate_kernel_selection(
+  32, 1024, float, uint64_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
+instantiate_kernel_selection(
+  8, 128, float, uint64_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
+instantiate_kernel_selection(
+  16, 256, float, uint64_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
+instantiate_kernel_selection(
+  32, 512, float, uint64_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
 instantiate_kernel_selection(
   32, 1024, half, uint32_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
 instantiate_kernel_selection(
diff --git a/cpp/include/raft/neighbors/detail/cagra/search_single_cta_kernel-ext.cuh b/cpp/include/raft/neighbors/detail/cagra/search_single_cta_kernel-ext.cuh
index fef060ffee..5243a00151 100644
--- a/cpp/include/raft/neighbors/detail/cagra/search_single_cta_kernel-ext.cuh
+++ b/cpp/include/raft/neighbors/detail/cagra/search_single_cta_kernel-ext.cuh
@@ -15,6 +15,7 @@
  */
 #pragma once
 
+#include <cstdint>
 #include <raft/neighbors/sample_filter_types.hpp>
 #include <raft/util/raft_explicit.hpp>  // RAFT_EXPLICIT
 
@@ -98,6 +99,14 @@ instantiate_single_cta_select_and_run(
   16, 256, float, uint32_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
 instantiate_single_cta_select_and_run(
   32, 512, float, uint32_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
+instantiate_single_cta_select_and_run(
+  32, 1024, float, uint64_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
+instantiate_single_cta_select_and_run(
+  8, 128, float, uint64_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
+instantiate_single_cta_select_and_run(
+  16, 256, float, uint64_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
+instantiate_single_cta_select_and_run(
+  32, 512, float, uint64_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
 instantiate_single_cta_select_and_run(
   32, 1024, half, uint32_t, float, raft::neighbors::filtering::none_cagra_sample_filter);
 instantiate_single_cta_select_and_run(