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https://github.com/ROCm/composable_kernel.git
synced 2026-06-08 23:38:11 +00:00
FA fwd dropout
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@@ -1,5 +1,5 @@
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// SPDX-License-Identifier: MIT
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// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
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// Copyright (c) 2018-2024, Advanced Micro Devices, Inc. All rights reserved.
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#pragma once
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@@ -764,6 +764,28 @@ llvm_amdgcn_raw_buffer_store_i32(int32_t vdata,
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index_t soffset,
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index_t glc_slc) __asm("llvm.amdgcn.raw.buffer.store.i32");
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// buffer store ui16
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__device__ void
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llvm_amdgcn_raw_buffer_store_ui16(uint16_t vdata,
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int32x4_t rsrc,
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index_t voffset,
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index_t soffset,
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index_t glc_slc) __asm("llvm.amdgcn.raw.buffer.store.i16");
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__device__ void
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llvm_amdgcn_raw_buffer_store_ui16x2(uint16x2_t vdata,
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int32x4_t rsrc,
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index_t voffset,
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index_t soffset,
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index_t glc_slc) __asm("llvm.amdgcn.raw.buffer.store.v2i16");
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__device__ void
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llvm_amdgcn_raw_buffer_store_ui16x4(uint16x4_t vdata,
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int32x4_t rsrc,
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index_t voffset,
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index_t soffset,
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index_t glc_slc) __asm("llvm.amdgcn.raw.buffer.store.v4i16");
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CK_TILE_DEVICE_EXTERN void
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llvm_amdgcn_raw_buffer_store_i32x2(int32x2_t vdata,
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int32x4_t rsrc,
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@@ -1334,7 +1356,10 @@ CK_TILE_DEVICE void amd_buffer_store_impl(const thread_buffer<T, N> src_thread_d
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(N == 1 || N == 2 || N == 4 || N == 8 || N == 16)) ||
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(std::is_same<T, fp8_t>::value && (N == 1 || N == 2 || N == 4 || N == 8 || N == 16)) ||
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(std::is_same<T, bf8_t>::value && (N == 1 || N == 2 || N == 4 || N == 8 || N == 16)) ||
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(std::is_same<T, int8_t>::value && (N == 1 || N == 2 || N == 4 || N == 8 || N == 16)),
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(std::is_same<T, int8_t>::value && (N == 1 || N == 2 || N == 4 || N == 8 || N == 16)) ||
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(std::is_same<T, uint16_t>::value &&
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(N == 1 || N == 2 || N == 4 || N == 8 || N == 16)) ||
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(std::is_same<T, uint8_t>::value && (N == 1 || N == 2 || N == 4 || N == 8 || N == 16)),
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"wrong! not implemented");
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if constexpr(std::is_same<T, float>::value) // fp32
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@@ -1473,6 +1498,49 @@ CK_TILE_DEVICE void amd_buffer_store_impl(const thread_buffer<T, N> src_thread_d
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static_cast<index_t>(coherence));
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}
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}
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else if constexpr(std::is_same<T, uint16_t>::value)
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{
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if constexpr(N == 1)
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{
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llvm_amdgcn_raw_buffer_store_ui16(bit_cast<uint16_t>(src_thread_data),
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dst_wave_buffer_resource,
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dst_thread_addr_offset,
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dst_wave_addr_offset,
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static_cast<index_t>(coherence));
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}
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else if constexpr(N == 2)
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{
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llvm_amdgcn_raw_buffer_store_ui16x2(bit_cast<uint16x2_t>(src_thread_data),
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dst_wave_buffer_resource,
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dst_thread_addr_offset,
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dst_wave_addr_offset,
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static_cast<index_t>(coherence));
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}
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else if constexpr(N == 4)
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{
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llvm_amdgcn_raw_buffer_store_ui16x4(bit_cast<uint16x4_t>(src_thread_data),
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dst_wave_buffer_resource,
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dst_thread_addr_offset,
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dst_wave_addr_offset,
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static_cast<index_t>(coherence));
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}
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else if constexpr(N == 8)
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{
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llvm_amdgcn_raw_buffer_store_ui16x4(
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src_thread_data.template get_as<uint16x4_t>()[number<0>{}],
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dst_wave_buffer_resource,
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dst_thread_addr_offset,
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dst_wave_addr_offset,
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static_cast<index_t>(coherence));
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llvm_amdgcn_raw_buffer_store_ui16x4(
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src_thread_data.template get_as<uint16x4_t>()[number<1>{}],
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dst_wave_buffer_resource,
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dst_thread_addr_offset,
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dst_wave_addr_offset + 4 * sizeof(uint16_t),
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static_cast<index_t>(coherence));
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}
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}
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else
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{
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using r_t = thread_buffer<int8_t, sizeof(T) * N>;
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@@ -1,5 +1,5 @@
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// SPDX-License-Identifier: MIT
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// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
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// Copyright (c) 2018-2024, Advanced Micro Devices, Inc. All rights reserved.
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#pragma once
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@@ -144,6 +144,15 @@ using int8x16_t = int8_t __attribute((ext_vector_type(16)));
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using int8x32_t = int8_t __attribute((ext_vector_type(32)));
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using int8x64_t = int8_t __attribute((ext_vector_type(64)));
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// ui8
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// using uint8_t
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using uint8x2_t = uint8_t __attribute((ext_vector_type(2)));
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using uint8x4_t = uint8_t __attribute((ext_vector_type(4)));
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using uint8x8_t = uint8_t __attribute((ext_vector_type(8)));
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using uint8x16_t = uint8_t __attribute((ext_vector_type(16)));
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using uint8x32_t = uint8_t __attribute((ext_vector_type(32)));
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using uint8x64_t = uint8_t __attribute((ext_vector_type(64)));
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#if CK_TILE_USE_CUSTOM_DATA_TYPE
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// f8
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// using fp8_t
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@@ -1,5 +1,5 @@
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// SPDX-License-Identifier: MIT
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// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
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// Copyright (c) 2018-2024, Advanced Micro Devices, Inc. All rights reserved.
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#pragma once
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87
include/ck_tile/core/utility/philox_rand.hpp
Normal file
87
include/ck_tile/core/utility/philox_rand.hpp
Normal file
@@ -0,0 +1,87 @@
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// SPDX-License-Identifier: MIT
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// Copyright (c) 2018-2024, Advanced Micro Devices, Inc. All rights reserved.
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#pragma once
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namespace ck_tile {
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// Reference: https://github.com/Dao-AILab/flash-attention/blob/main/csrc/flash_attn/src/philox.cuh
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class philox
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{
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public:
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__host__ __device__ inline philox(unsigned long long seed_, unsigned long long offset_)
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: seed(reinterpret_cast<const uint2&>(seed_))
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{
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ull2* tmp = reinterpret_cast<ull2*>(&counter);
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tmp->x = offset_;
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}
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__host__ __device__ inline uint4 get_philox_4x32(const unsigned long long subsequence) const
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{
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uint4 counter_ = counter;
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ull2* tmp = reinterpret_cast<ull2*>(&counter_);
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tmp->y = subsequence;
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uint2 key_ = seed;
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// 7-round philox
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#pragma unroll
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for(int i = 0; i < 6; i++)
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{
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counter_ = philox_single_round(counter_, key_);
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key_.x += kPhilox10A;
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key_.y += kPhilox10B;
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}
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uint4 output = philox_single_round(counter_, key_);
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return output;
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}
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__host__ __device__ void get_random_16x8(uint8_t* out,
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const unsigned long long subsequence) const
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{
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uint4 tmp_ph;
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tmp_ph = get_philox_4x32(subsequence);
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uint32_t* out_tmp = reinterpret_cast<uint32_t*>(&out[0]);
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out_tmp[0] = tmp_ph.x;
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out_tmp[1] = tmp_ph.y;
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out_tmp[2] = tmp_ph.z;
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out_tmp[3] = tmp_ph.w;
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}
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private:
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struct ull2
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{
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uint64_t x;
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uint64_t y;
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};
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uint4 counter;
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const uint2 seed;
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__host__ __device__ uint2 mulhilo32(const unsigned int a, const unsigned int b) const
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{
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uint2* res;
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unsigned long long tmp;
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tmp = static_cast<unsigned long long>(a) * b;
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res = reinterpret_cast<uint2*>(&tmp);
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return *res;
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}
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__host__ __device__ inline uint4 philox_single_round(const uint4 ctr, const uint2 key) const
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{
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uint2 res0 = mulhilo32(kPhiloxSA, ctr.x);
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uint2 res1 = mulhilo32(kPhiloxSB, ctr.z);
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uint4 ret = {res1.y ^ ctr.y ^ key.x, res1.x, res0.y ^ ctr.w ^ key.y, res0.x};
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return ret;
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}
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static const unsigned long kPhilox10A = 0x9E3779B9;
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static const unsigned long kPhilox10B = 0xBB67AE85;
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static const unsigned long kPhiloxSA = 0xD2511F53;
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static const unsigned long kPhiloxSB = 0xCD9E8D57;
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};
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} // namespace ck_tile
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