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composable_kernel/src/include/blockwise_3d_tensor_op.hpp

379 lines
14 KiB
C++

#ifndef CK_BLOCKWISE_3D_TENSOR_OP_HPP
#define CK_BLOCKWISE_3D_TENSOR_OP_HPP
#include "common.hpp"
#include "ConstantTensorDescriptor.hpp"
namespace ck {
template <index_t BlockSize,
class Float,
class SrcDesc,
class DstDesc,
class CopyLengths,
index_t DataPerRead>
struct Blockwise3dTensorCopy1
{
using vector_t = typename vector_type<Float, DataPerRead>::MemoryType;
__device__ constexpr Blockwise3dTensorCopy1()
{
constexpr auto I0 = Number<0>{};
constexpr auto I1 = Number<1>{};
constexpr auto I2 = Number<2>{};
static_assert(DataPerRead == 1 ||
(SrcDesc{}.GetStride(I2) == 1 && DstDesc{}.GetStride(I2) == 1),
"wrong! only support stride2 == 1 if DataPerRead > 1!\n");
static_assert(DataPerRead == 1 || DataPerRead == 2 || DataPerRead == 4,
"wrong! only support DataPerRead == 1, 2 or 4!\n");
static_assert(SrcDesc{}.GetStride(I1) % DataPerRead == 0 &&
DstDesc{}.GetStride(I1) % DataPerRead == 0,
"src and dst stride1 should be multiple of DataPerRead to keep alignment");
// we allow out-of-bound read from src in D3 dimension,
// but we need to make sure dst stride2 is big enough,
// so that the out-of-bound write won't contaminate next line in dst
constexpr index_t L2 = CopyLengths{}.Get(I2);
constexpr index_t read_per_d2 = math::integer_divide_ceil(L2, DataPerRead);
static_assert(read_per_d2 * DataPerRead <= DstDesc{}.GetStride(I1),
"wrong! out-of-bound write will contaminate next line!\n");
}
__device__ void Run(const Float* __restrict__ p_src, Float* __restrict__ p_dst) const
{
constexpr auto I0 = Number<0>{};
constexpr auto I1 = Number<1>{};
constexpr auto I2 = Number<2>{};
constexpr auto src_desc = SrcDesc{};
constexpr auto dst_desc = DstDesc{};
constexpr index_t L0 = CopyLengths{}.Get(I0);
constexpr index_t L1 = CopyLengths{}.Get(I1);
constexpr index_t L2 = CopyLengths{}.Get(I2);
constexpr index_t read_per_d2 = math::integer_divide_ceil(L2, DataPerRead);
constexpr auto ref_desc = make_ConstantTensorDescriptor(Sequence<L0, L1, read_per_d2>{});
constexpr index_t NLoop = ref_desc.GetElementSize() / BlockSize;
auto f_copy = [&](index_t is) {
index_t did[3];
did[0] = is / ref_desc.GetStride(I0);
is -= did[0] * ref_desc.GetStride(I0);
did[1] = is / ref_desc.GetStride(I1);
is -= did[1] * ref_desc.GetStride(I1);
did[2] = is / ref_desc.GetStride(I2);
const index_t src_index =
src_desc.GetOffsetFromMultiIndex(did[0], did[1], did[2] * DataPerRead);
const index_t dst_index =
dst_desc.GetOffsetFromMultiIndex(did[0], did[1], did[2] * DataPerRead);
*(reinterpret_cast<vector_t*>(p_dst + dst_index)) =
*(reinterpret_cast<const vector_t*>(p_src + src_index));
};
for(index_t iloop = 0; iloop < NLoop; ++iloop)
{
index_t is = get_thread_local_1d_id() + iloop * BlockSize;
f_copy(is);
}
constexpr bool has_tail = (ref_desc.GetElementSize() > NLoop * BlockSize);
if(has_tail)
{
index_t is = get_thread_local_1d_id() + NLoop * BlockSize;
if(is < ref_desc.GetElementSize())
{
f_copy(is);
}
}
}
};
// starting point need to be aligned to float4 or float2 or float
// stride3 need to be 1 for both source and destination
template <index_t BlockSize,
class Float,
class SrcDesc,
class DstDesc,
class CopyLengths,
class ThreadPerDims,
index_t DataPerRead>
struct Blockwise3dTensorCopy3
{
using vector_t = typename vector_type<Float, DataPerRead>::MemoryType;
index_t mSrcMyThreadOffset;
index_t mDstMyThreadOffset;
__device__ Blockwise3dTensorCopy3()
{
constexpr auto I0 = Number<0>{};
constexpr auto I1 = Number<1>{};
constexpr auto I2 = Number<2>{};
static_assert(DataPerRead == 1 ||
(SrcDesc{}.GetStride(I2) == 1 && DstDesc{}.GetStride(I2) == 1),
"wrong! only support stride3 == 1 if DataPerRead > 1!\n");
static_assert(DataPerRead == 1 || DataPerRead == 2 || DataPerRead == 4,
"wrong! only support DataPerRead == 1, 2 or 4!\n");
static_assert(
SrcDesc{}.GetStride(I1) % DataPerRead == 0 &&
DstDesc{}.GetStride(I1) % DataPerRead == 0,
"wrong! src and dst stride1 should be multiple of DataPerRead to keep alignment");
constexpr index_t L0 = CopyLengths{}.Get(I0);
constexpr index_t L1 = CopyLengths{}.Get(I1);
constexpr index_t L2 = CopyLengths{}.Get(I2);
constexpr index_t thread_per_d0 = ThreadPerDims{}.Get(I0);
constexpr index_t thread_per_d1 = ThreadPerDims{}.Get(I1);
constexpr index_t thread_per_d2 = ThreadPerDims{}.Get(I2);
// we allow out-of-bound read from src in D2 dimension,
// but we need to make sure dst stride is big enough,
// so that the out-of-bound write won't contaminate next line in dst
constexpr index_t nloop_d2 = math::integer_divide_ceil(L2, thread_per_d2 * DataPerRead);
static_assert(nloop_d2 * thread_per_d2 * DataPerRead <= DstDesc{}.GetStride(I1),
"wrong! out-of-bound write will contaminate next line!\n");
static_assert(L0 % thread_per_d0 == 0 && L1 % thread_per_d1 == 0,
"wrong! L0, L1, L2 should be divided evenly!\n");
static_assert(BlockSize >= thread_per_d0 * thread_per_d1 * thread_per_d2,
"wrrong! BlockSize is not big enough for ThreadPerDims!");
constexpr index_t num_active_thread =
accumulate_on_sequence(ThreadPerDims{}, math::multiplies<index_t>{}, Number<1>{});
if(BlockSize > num_active_thread)
{
if(get_thread_local_1d_id() >= num_active_thread)
{
return;
}
}
constexpr auto thread_cluster_desc = make_ConstantTensorDescriptor(ThreadPerDims{});
const auto thread_multi_id =
thread_cluster_desc.GetMultiIndexFrom1dIndex(get_thread_local_1d_id());
mSrcMyThreadOffset = SrcDesc{}.GetOffsetFromMultiIndex(
thread_multi_id[0], thread_multi_id[1], thread_multi_id[2] * DataPerRead);
mDstMyThreadOffset = DstDesc{}.GetOffsetFromMultiIndex(
thread_multi_id[0], thread_multi_id[1], thread_multi_id[2] * DataPerRead);
}
__device__ void Run(const Float* __restrict__ p_src, Float* __restrict__ p_dst) const
{
constexpr auto I0 = Number<0>{};
constexpr auto I1 = Number<1>{};
constexpr auto I2 = Number<2>{};
constexpr index_t L0 = CopyLengths{}.Get(I0);
constexpr index_t L1 = CopyLengths{}.Get(I1);
constexpr index_t L2 = CopyLengths{}.Get(I2);
constexpr index_t thread_per_d0 = ThreadPerDims{}.Get(I0);
constexpr index_t thread_per_d1 = ThreadPerDims{}.Get(I1);
constexpr index_t thread_per_d2 = ThreadPerDims{}.Get(I2);
constexpr index_t num_active_thread = thread_per_d0 * thread_per_d1 * thread_per_d2;
if(BlockSize > num_active_thread)
{
if(get_thread_local_1d_id() >= num_active_thread)
{
return;
}
}
constexpr index_t nloop_d0 = L0 / thread_per_d0;
constexpr index_t nloop_d1 = L1 / thread_per_d1;
constexpr index_t nloop_d2 = math::integer_divide_ceil(L2, thread_per_d2 * DataPerRead);
#pragma unroll
for(index_t iloop_d0 = 0; iloop_d0 < nloop_d0; ++iloop_d0)
{
#pragma unroll
for(index_t iloop_d1 = 0; iloop_d1 < nloop_d1; ++iloop_d1)
{
#pragma unroll
for(index_t iloop_d2 = 0; iloop_d2 < nloop_d2; ++iloop_d2)
{
const index_t src_offset =
SrcDesc{}.GetOffsetFromMultiIndex(iloop_d0 * thread_per_d0,
iloop_d1 * thread_per_d1,
iloop_d2 * thread_per_d2 * DataPerRead);
const index_t dst_offset =
DstDesc{}.GetOffsetFromMultiIndex(iloop_d0 * thread_per_d0,
iloop_d1 * thread_per_d1,
iloop_d2 * thread_per_d2 * DataPerRead);
*(reinterpret_cast<vector_t*>(&p_dst[dst_offset + mDstMyThreadOffset])) = *(
reinterpret_cast<const vector_t*>(&p_src[src_offset + mSrcMyThreadOffset]));
}
}
}
}
__device__ static constexpr index_t GetRegisterClipboardSize()
{
static_assert(is_same<Float, float>::value, "wrong! only support float!\n");
constexpr auto I0 = Number<0>{};
constexpr auto I1 = Number<1>{};
constexpr auto I2 = Number<2>{};
constexpr index_t L0 = CopyLengths{}.Get(I0);
constexpr index_t L1 = CopyLengths{}.Get(I1);
constexpr index_t L2 = CopyLengths{}.Get(I2);
constexpr index_t thread_per_d0 = ThreadPerDims{}.Get(I0);
constexpr index_t thread_per_d1 = ThreadPerDims{}.Get(I1);
constexpr index_t thread_per_d2 = ThreadPerDims{}.Get(I2);
constexpr index_t nloop_d0 = L0 / thread_per_d0;
constexpr index_t nloop_d1 = L1 / thread_per_d1;
constexpr index_t nloop_d2 = math::integer_divide_ceil(L2, thread_per_d2 * DataPerRead);
return DataPerRead * nloop_d0 * nloop_d1 * nloop_d2;
}
__device__ void RunLoadRegisterClipboard(const Float* __restrict__ p_src,
Float* __restrict__ p_clipboard) const
{
constexpr auto I0 = Number<0>{};
constexpr auto I1 = Number<1>{};
constexpr auto I2 = Number<2>{};
constexpr index_t L0 = CopyLengths{}.Get(I0);
constexpr index_t L1 = CopyLengths{}.Get(I1);
constexpr index_t L2 = CopyLengths{}.Get(I2);
constexpr index_t thread_per_d0 = ThreadPerDims{}.Get(I0);
constexpr index_t thread_per_d1 = ThreadPerDims{}.Get(I1);
constexpr index_t thread_per_d2 = ThreadPerDims{}.Get(I2);
constexpr index_t num_active_thread = thread_per_d0 * thread_per_d1 * thread_per_d2;
if(BlockSize > num_active_thread)
{
if(get_thread_local_1d_id() >= num_active_thread)
{
return;
}
}
constexpr index_t nloop_d0 = L0 / thread_per_d0;
constexpr index_t nloop_d1 = L1 / thread_per_d1;
constexpr index_t nloop_d2 = math::integer_divide_ceil(L2, thread_per_d2 * DataPerRead);
constexpr auto clipboard_desc =
make_ConstantTensorDescriptor(Sequence<nloop_d0, nloop_d1, nloop_d2 * DataPerRead>{});
#pragma unroll
for(index_t iloop_d0 = 0; iloop_d0 < nloop_d0; ++iloop_d0)
{
#pragma unroll
for(index_t iloop_d1 = 0; iloop_d1 < nloop_d1; ++iloop_d1)
{
#pragma unroll
for(index_t iloop_d2 = 0; iloop_d2 < nloop_d2; ++iloop_d2)
{
const index_t src_offset =
SrcDesc{}.GetOffsetFromMultiIndex(iloop_d0 * thread_per_d0,
iloop_d1 * thread_per_d1,
iloop_d2 * thread_per_d2 * DataPerRead);
const index_t clipboard_offset = clipboard_desc.GetOffsetFromMultiIndex(
iloop_d0, iloop_d1, iloop_d2 * DataPerRead);
*(reinterpret_cast<vector_t*>(&p_clipboard[clipboard_offset])) = *(
reinterpret_cast<const vector_t*>(&p_src[src_offset + mSrcMyThreadOffset]));
}
}
}
}
__device__ void RunStoreRegisterClipboard(const Float* __restrict__ p_clipboard,
Float* __restrict__ p_dst) const
{
constexpr auto I0 = Number<0>{};
constexpr auto I1 = Number<1>{};
constexpr auto I2 = Number<2>{};
constexpr index_t L0 = CopyLengths{}.Get(I0);
constexpr index_t L1 = CopyLengths{}.Get(I1);
constexpr index_t L2 = CopyLengths{}.Get(I2);
constexpr index_t thread_per_d0 = ThreadPerDims{}.Get(I0);
constexpr index_t thread_per_d1 = ThreadPerDims{}.Get(I1);
constexpr index_t thread_per_d2 = ThreadPerDims{}.Get(I2);
constexpr index_t num_active_thread = thread_per_d0 * thread_per_d1 * thread_per_d2;
if(BlockSize > num_active_thread)
{
if(get_thread_local_1d_id() >= num_active_thread)
{
return;
}
}
constexpr index_t nloop_d0 = L0 / thread_per_d0;
constexpr index_t nloop_d1 = L1 / thread_per_d1;
constexpr index_t nloop_d2 = math::integer_divide_ceil(L2, thread_per_d2 * DataPerRead);
constexpr auto clipboard_desc =
make_ConstantTensorDescriptor(Sequence<nloop_d0, nloop_d1, nloop_d2 * DataPerRead>{});
#pragma unroll
for(index_t iloop_d0 = 0; iloop_d0 < nloop_d0; ++iloop_d0)
{
#pragma unroll
for(index_t iloop_d1 = 0; iloop_d1 < nloop_d1; ++iloop_d1)
{
#pragma unroll
for(index_t iloop_d2 = 0; iloop_d2 < nloop_d2; ++iloop_d2)
{
const index_t clipboard_offset = clipboard_desc.GetOffsetFromMultiIndex(
iloop_d0, iloop_d1, iloop_d2 * DataPerRead);
const index_t dst_offset =
DstDesc{}.GetOffsetFromMultiIndex(iloop_d0 * thread_per_d0,
iloop_d1 * thread_per_d1,
iloop_d2 * thread_per_d2 * DataPerRead);
*(reinterpret_cast<vector_t*>(&p_dst[dst_offset + mDstMyThreadOffset])) =
*(reinterpret_cast<const vector_t*>(&p_clipboard[clipboard_offset]));
}
}
}
}
};
} // namespace ck
#endif