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Fix compile failure on RTX 4090 #2076

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Jan 17, 2024
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6 changes: 3 additions & 3 deletions cpp/include/raft/neighbors/detail/nn_descent.cuh
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2023, NVIDIA CORPORATION.
* Copyright (c) 2023-2024, NVIDIA CORPORATION.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
Expand Down Expand Up @@ -686,12 +686,12 @@ __device__ __forceinline__ void remove_duplicates(
// Per
// https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#features-and-technical-specifications,
// MAX_RESIDENT_THREAD_PER_SM = BLOCK_SIZE * BLOCKS_PER_SM = 2048
// For architectures 750 and 860, the values for MAX_RESIDENT_THREAD_PER_SM
// For architectures 750 and 860 (890), the values for MAX_RESIDENT_THREAD_PER_SM
// is 1024 and 1536 respectively, which means the bounds don't work anymore
template <typename Index_t, typename ID_t = InternalID_t<Index_t>>
RAFT_KERNEL
#ifdef __CUDA_ARCH__
#if (__CUDA_ARCH__) == 750 || (__CUDA_ARCH__) == 860
#if (__CUDA_ARCH__) == 750 || (__CUDA_ARCH__) == 860 || (__CUDA_ARCH__) == 890
__launch_bounds__(BLOCK_SIZE)
#else
__launch_bounds__(BLOCK_SIZE, 4)
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