Prepare FBGEMM_GPU for CUDA 13 builds

fbgemm_gpu/src/memory_utils/memory_utils.cu

@@ -144,6 +144,19 @@ std::tuple<void*, size_t> adjust_to_page_boundaries(void* ptr, size_t size) {
   return std::make_tuple((void*)raw_ptr_adjusted, (size_t)size_adjusted);
 }
 
+#ifdef USE_ROCM
+using gpuMemLocation = hipMemLocation;
+#else
+using gpuMemLocation = cudaMemLocation;
+#endif
+
+inline gpuMemLocation new_mem_location_from_device(const int device_id) {
+  gpuMemLocation deviceLoc;
+  deviceLoc.type = cudaMemLocationTypeDevice;
+  deviceLoc.id = device_id;
+  return deviceLoc;
+}
+
 } // namespace
 
 Tensor new_managed_tensor(
@@ -158,11 +171,31 @@ Tensor new_managed_tensor(
 
   // Set preferred memory location to host memory
   AT_CUDA_CHECK(cudaMemAdvise(
-      ptr, size_bytes, cudaMemAdviseSetPreferredLocation, cudaCpuDeviceId));
+      ptr,
+      size_bytes,
+      cudaMemAdviseSetPreferredLocation,
+#if CUDA_VERSION >= 13000
+      // Starting with CUDA 13, the deviceId arg (int) is replaced with
+      // cudaMemLocation (struct)
+      new_mem_location_from_device(cudaCpuDeviceId)
+#else
+      cudaCpuDeviceId
+#endif
+          ));
+
   // User hints with "accessed by": GPU will establish direct mapping of data
   // in CPU memory, no page faults will be generated
   AT_CUDA_CHECK(cudaMemAdvise(
-      ptr, size_bytes, cudaMemAdviseSetAccessedBy, at::cuda::current_device()));
+      ptr,
+      size_bytes,
+      cudaMemAdviseSetAccessedBy,
+#if CUDA_VERSION >= 13000
+      new_mem_location_from_device(at::cuda::current_device())
+#else
+      at::cuda::current_device()
+#endif
+          ));
+
   C10_CUDA_KERNEL_LAUNCH_CHECK();
 
   // Work around fork issue - see uvm_mem_advice_dont_fork for details
@@ -353,7 +386,12 @@ void uvm_cuda_mem_advise(const Tensor& t, int64_t cuda_memory_advise) {
       ptr,
       size_bytes,
       static_cast<enum cudaMemoryAdvise>(cuda_memory_advise),
-      hint_device));
+#if CUDA_VERSION >= 13000
+      new_mem_location_from_device(hint_device)
+#else
+      hint_device
+#endif
+          ));
   return;
 }
 
@@ -379,7 +417,18 @@ void uvm_cuda_mem_prefetch_async(
 
   auto stream = at::cuda::getCurrentCUDAStream();
 
-  AT_CUDA_CHECK(cudaMemPrefetchAsync(ptr, size_bytes, prefetch_device, stream));
+  AT_CUDA_CHECK(cudaMemPrefetchAsync(
+      ptr,
+      size_bytes,
+#if CUDA_VERSION >= 13000
+      new_mem_location_from_device(prefetch_device),
+      // Flags argument needs to be set to zero for now, see:
+      // https://docs.nvidia.com/cuda/archive/13.0.0/cuda-runtime-api/group__CUDART__MEMORY.html
+      0,
+#else
+      prefetch_device,
+#endif
+      stream));
 
   return;
 }

fbgemm_gpu/src/sparse_ops/sparse_async_batched_cumsum.cu

@@ -72,7 +72,13 @@ __global__ __launch_bounds__(kMaxThreads) void _batched_complete_cumsum_kernel(
       data = (val_t)values[blockIdx.x][i];
     }
     BlockScan(temp_storage).InclusiveSum(data, data, prefix_op);
+
+#if CUDA_VERSION >= 13000
+    __syncthreads();
+#else
     cub::CTA_SYNC();
+#endif
+
     if (i < len) {
       out[blockIdx.x][i + 1] = data;
     }