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Commit 8745c0ca authored by rocking's avatar rocking
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Update naive variance kernel

parent 3b6f9c16
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Showing with 291 additions and 155 deletions
include/ck/tensor_operation/gpu/grid/gridwise_normalization_naive_variance.hpp
View file @ 8745c0ca
......@@ -4,9 +4,8 @@
#pragma once
#include "ck/utility/data_type.hpp"
#include "ck/utility/reduction_common.hpp"
#include "ck/utility/reduction_operator.hpp"
#include "ck/utility/reduction_functions_accumulate.hpp"
#include "ck/tensor_operation/gpu/block/reduction_functions_blockwise.hpp"
#include "ck/tensor_operation/gpu/thread/reduction_functions_threadwise.hpp"
#include "ck/tensor_operation/gpu/thread/threadwise_tensor_slice_transfer.hpp"
......@@ -19,8 +18,8 @@ template <typename XDataType,
typename GammaDataType,
typename BetaDataType,
typename YDataType,
typename AccDataType,
typename AccElementwiseOperation,
typename ComputeDataType,
typename YElementwiseOperation,
typename GridDesc_M_K,
index_t BlockSize,
index_t MThreadClusterSize,
......@@ -46,6 +45,10 @@ struct GridwiseNormalizationNaiveVariance_mk_to_mk
(YDstVectorDim == 1 && KThreadSliceSize % YDstVectorSize == 0),
"Invalid thread slice sizes and/or vector sizes configuration, please check!");
static_assert(XSrcVectorSize == YDstVectorSize);
static_assert(XSrcVectorSize == GammaSrcVectorSize);
static_assert(XSrcVectorSize == BetaSrcVectorSize);
static constexpr bool reorder_thread_cluster = (XSrcVectorDim == 0);
using ThreadClusterLengths_M_K = Sequence<MThreadClusterSize, KThreadClusterSize>;
......@@ -59,19 +62,23 @@ struct GridwiseNormalizationNaiveVariance_mk_to_mk
static constexpr auto thread_cluster_desc =
make_cluster_descriptor(ThreadClusterLengths_M_K{}, ThreadClusterArrangeOrder{});
using ThreadBufferLengths_M_K = Sequence<MThreadSliceSize, XSrcVectorSize>;
static constexpr auto thread_buffer_desc_m_k = make_naive_tensor_descriptor_packed(
make_tuple(Number<MThreadSliceSize>{}, Number<XSrcVectorSize>{}));
using ThreadReduceSrcDesc_M_K = decltype(make_naive_tensor_descriptor_packed(
make_tuple(Number<MThreadSliceSize>{}, Number<KThreadSliceSize>{})));
make_tuple(Number<MThreadSliceSize>{}, Number<XSrcVectorSize>{})));
using ThreadReduceDstDesc_M =
decltype(make_naive_tensor_descriptor_packed(make_tuple(Number<MThreadSliceSize>{})));
using BlockwiseSumReduce = PartitionedBlockwiseReduction<AccDataType,
using BlockwiseSumReduce = PartitionedBlockwiseReduction<ComputeDataType,
BlockSize,
ThreadClusterLengths_M_K,
ThreadClusterArrangeOrder,
reduce::Add,
true>;
using ThreadwiseSumReduce = ThreadwiseReduction<AccDataType,
using ThreadwiseSumReduce = ThreadwiseReduction<ComputeDataType,
ThreadReduceSrcDesc_M_K,
ThreadReduceDstDesc_M,
reduce::Add,
......@@ -81,64 +88,77 @@ struct GridwiseNormalizationNaiveVariance_mk_to_mk
static constexpr auto I1 = Number<1>{};
static constexpr auto I2 = Number<2>{};
static constexpr index_t M_BlockTileSize = MThreadClusterSize * MThreadSliceSize;
static constexpr index_t K_BlockTileSize = KThreadClusterSize * KThreadSliceSize;
static constexpr index_t M_BlockTileSize = MThreadClusterSize * MThreadSliceSize;
static constexpr index_t K_BlockTileSize = KThreadClusterSize * KThreadSliceSize;
static constexpr index_t K_BlockTileStepSize = KThreadClusterSize * XSrcVectorSize;
static constexpr auto ThreadBufferNumber = Number<KThreadSliceSize / XSrcVectorSize>{};
__device__ static void Run(const GridDesc_M_K& x_grid_desc_m_k,
const GridDesc_M_K& gamma_grid_desc_m_k,
const GridDesc_M_K& beta_grid_desc_m_k,
const GridDesc_M_K& y_grid_desc_m_k,
index_t num_k_block_tile_iteration,
AccDataType epsilon,
ComputeDataType epsilon,
const XDataType* const __restrict__ p_x_global,
const GammaDataType* const __restrict__ p_gamma_global,
const BetaDataType* const __restrict__ p_beta_global,
YDataType* const __restrict__ p_y_global,
const AccElementwiseOperation acc_elementwise_op)
const YElementwiseOperation y_elementwise_op)
{
if constexpr(SweepOnce)
{
num_k_block_tile_iteration = 1;
}
// LDS
__shared__ AccDataType p_reduce_work_buffer[BlockSize];
auto y_global_val_buf = make_dynamic_buffer<AddressSpaceEnum::Global>(
p_y_global, y_grid_desc_m_k.GetElementSpaceSize());
__shared__ ComputeDataType p_reduce_work_buffer[BlockSize];
auto reduce_work_buf =
make_dynamic_buffer<AddressSpaceEnum::Lds>(p_reduce_work_buffer, BlockSize);
StaticBuffer<AddressSpaceEnum::Vgpr, AccDataType, MThreadSliceSize * KThreadSliceSize, true>
x_thread_buf;
StaticBuffer<AddressSpaceEnum::Vgpr, AccDataType, MThreadSliceSize * KThreadSliceSize, true>
gamma_thread_buf;
StaticBuffer<AddressSpaceEnum::Vgpr,
AccDataType,
MThreadSliceSize * KThreadSliceSize,
true>& beta_thread_buf = gamma_thread_buf;
StaticBuffer<AddressSpaceEnum::Vgpr, AccDataType, MThreadSliceSize * KThreadSliceSize, true>
y_thread_buf;
StaticBuffer<AddressSpaceEnum::Vgpr,
AccDataType,
MThreadSliceSize * KThreadSliceSize,
true>& x_square_thread_buf = y_thread_buf;
auto y_global_val_buf = make_dynamic_buffer<AddressSpaceEnum::Global>(
p_y_global, y_grid_desc_m_k.GetElementSpaceSize());
StaticBuffer<AddressSpaceEnum::Vgpr, AccDataType, MThreadSliceSize, true> mean_thread_buf;
StaticBuffer<AddressSpaceEnum::Vgpr, AccDataType, MThreadSliceSize, true>
auto x_thread_buf = generate_tuple(
[&](auto) {
return StaticBuffer<AddressSpaceEnum::Vgpr,
ComputeDataType,
MThreadSliceSize * XSrcVectorSize,
true>{};
},
Number<ThreadBufferNumber>{});
auto gamma_thread_buf = generate_tuple(
[&](auto) {
return StaticBuffer<AddressSpaceEnum::Vgpr,
ComputeDataType,
MThreadSliceSize * GammaSrcVectorSize,
true>{};
},
Number<ThreadBufferNumber>{});
auto beta_thread_buf = generate_tuple(
[&](auto) {
return StaticBuffer<AddressSpaceEnum::Vgpr,
ComputeDataType,
MThreadSliceSize * BetaSrcVectorSize,
true>{};
},
Number<ThreadBufferNumber>{});
auto y_thread_buf = generate_tuple(
[&](auto) {
return StaticBuffer<AddressSpaceEnum::Vgpr,
ComputeDataType,
MThreadSliceSize * YDstVectorSize,
true>{};
},
Number<ThreadBufferNumber>{});
auto& x_square_thread_buf = y_thread_buf;
StaticBuffer<AddressSpaceEnum::Vgpr, ComputeDataType, MThreadSliceSize, true>
mean_thread_buf;
StaticBuffer<AddressSpaceEnum::Vgpr, ComputeDataType, MThreadSliceSize, true>
mean_square_thread_buf;
StaticBuffer<AddressSpaceEnum::Vgpr, AccDataType, MThreadSliceSize, true>& var_thread_buf =
mean_square_thread_buf;
static_for<0, MThreadSliceSize, 1>{}([&](auto I) {
mean_thread_buf(I) = reduce::Add::template GetIdentityValue<AccDataType>();
mean_square_thread_buf(I) = reduce::Add::template GetIdentityValue<AccDataType>();
});
StaticBuffer<AddressSpaceEnum::Vgpr, ComputeDataType, MThreadSliceSize, true>&
var_thread_buf = mean_square_thread_buf;
const index_t thread_local_id = get_thread_local_1d_id();
const index_t block_global_id = get_block_1d_id();
......@@ -149,12 +169,8 @@ struct GridwiseNormalizationNaiveVariance_mk_to_mk
const auto thread_m_cluster_id = thread_cluster_idx[I0];
const auto thread_k_cluster_id = thread_cluster_idx[I1];
using ThreadBufferLengths_M_K = Sequence<MThreadSliceSize, KThreadSliceSize>;
constexpr auto thread_buffer_desc_m_k = make_naive_tensor_descriptor_packed(
make_tuple(Number<MThreadSliceSize>{}, Number<KThreadSliceSize>{}));
auto threadwise_x_load = ThreadwiseTensorSliceTransfer_v2<XDataType,
AccDataType,
ComputeDataType,
GridDesc_M_K,
decltype(thread_buffer_desc_m_k),
ThreadBufferLengths_M_K,
......@@ -166,11 +182,11 @@ struct GridwiseNormalizationNaiveVariance_mk_to_mk
x_grid_desc_m_k,
make_multi_index(block_global_id * M_BlockTileSize +
thread_m_cluster_id * MThreadSliceSize,
thread_k_cluster_id * KThreadSliceSize));
thread_k_cluster_id * XSrcVectorSize));
auto threadwise_gamma_load =
ThreadwiseTensorSliceTransfer_v2<GammaDataType,
AccDataType,
ComputeDataType,
GridDesc_M_K,
decltype(thread_buffer_desc_m_k),
ThreadBufferLengths_M_K,
......@@ -182,11 +198,11 @@ struct GridwiseNormalizationNaiveVariance_mk_to_mk
gamma_grid_desc_m_k,
make_multi_index(block_global_id * M_BlockTileSize +
thread_m_cluster_id * MThreadSliceSize,
thread_k_cluster_id * KThreadSliceSize));
thread_k_cluster_id * GammaSrcVectorSize));
auto threadwise_beta_load =
ThreadwiseTensorSliceTransfer_v2<BetaDataType,
AccDataType,
ComputeDataType,
GridDesc_M_K,
decltype(thread_buffer_desc_m_k),
ThreadBufferLengths_M_K,
......@@ -198,14 +214,14 @@ struct GridwiseNormalizationNaiveVariance_mk_to_mk
beta_grid_desc_m_k,
make_multi_index(block_global_id * M_BlockTileSize +
thread_m_cluster_id * MThreadSliceSize,
thread_k_cluster_id * KThreadSliceSize));
thread_k_cluster_id * BetaSrcVectorSize));
auto threadwise_y_store =
ThreadwiseTensorSliceTransfer_v1r3<AccDataType,
ThreadwiseTensorSliceTransfer_v1r3<ComputeDataType,
YDataType,
decltype(thread_buffer_desc_m_k),
GridDesc_M_K,
AccElementwiseOperation,
YElementwiseOperation,
ThreadBufferLengths_M_K,
ThreadBufferDimAccessOrder,
YDstVectorDim,
......@@ -216,13 +232,10 @@ struct GridwiseNormalizationNaiveVariance_mk_to_mk
y_grid_desc_m_k,
make_multi_index(block_global_id * M_BlockTileSize +
thread_m_cluster_id * MThreadSliceSize,
thread_k_cluster_id * KThreadSliceSize),
acc_elementwise_op);
thread_k_cluster_id * YDstVectorSize),
y_elementwise_op);
// Copy x from Cache
// one pass: fwd, second pass: bwd
constexpr auto thread_copy_fwd_step_m_k =
make_multi_index(0, SweepOnce ? 0 : K_BlockTileSize);
constexpr auto thread_copy_fwd_step_m_k = make_multi_index(0, K_BlockTileStepSize);
constexpr auto thread_copy_bwd_step_m_k =
make_multi_index(0, SweepOnce ? 0 : -K_BlockTileSize);
......@@ -239,121 +252,244 @@ struct GridwiseNormalizationNaiveVariance_mk_to_mk
// FIXME: Should not hack the transform from deviceOP
int reduce_length = x_grid_desc_m_k.GetTransforms()[I2].GetUpperLengths()[I0];
index_t reducedTiles = 0;
do
{
threadwise_x_load.Run(x_grid_desc_m_k,
x_global_val_buf,
thread_buffer_desc_m_k,
make_tuple(I0, I0),
x_thread_buf);
static_for<0, MThreadSliceSize, 1>{}([&](auto I) {
mean_thread_buf(I) = reduce::Add::template GetIdentityValue<ComputeDataType>();
mean_square_thread_buf(I) = reduce::Add::template GetIdentityValue<ComputeDataType>();
});
static_for<0, MThreadSliceSize, 1>{}([&](auto iM) {
static_for<0, KThreadSliceSize, 1>{}([&](auto iK) {
constexpr auto offset_m_k =
thread_buffer_desc_m_k.CalculateOffset(make_tuple(iM, iK));
x_square_thread_buf(Number<offset_m_k>{}) =
x_thread_buf(Number<offset_m_k>{}) * x_thread_buf(Number<offset_m_k>{});
// Separate sweep once and sweep twice pipeline
if constexpr(SweepOnce)
{
static_for<0, ThreadBufferNumber, 1>{}([&](auto i) {
threadwise_x_load.Run(x_grid_desc_m_k,
x_global_val_buf,
thread_buffer_desc_m_k,
make_tuple(I0, I0),
x_thread_buf(i));
threadwise_gamma_load.Run(gamma_grid_desc_m_k,
gamma_global_val_buf,
thread_buffer_desc_m_k,
make_tuple(I0, I0),
gamma_thread_buf(i));
static_for<0, MThreadSliceSize, 1>{}([&](auto iM) {
static_for<0, XSrcVectorSize, 1>{}([&](auto iK) {
constexpr auto offset_m_k =
thread_buffer_desc_m_k.CalculateOffset(make_tuple(iM, iK));
x_square_thread_buf(i)(Number<offset_m_k>{}) =
x_thread_buf(i)(Number<offset_m_k>{}) *
x_thread_buf(i)(Number<offset_m_k>{});
});
});
});
ThreadwiseSumReduce::Reduce(x_thread_buf, mean_thread_buf);
ThreadwiseSumReduce::Reduce(x_square_thread_buf, mean_square_thread_buf);
ThreadwiseSumReduce::Reduce(x_thread_buf[i], mean_thread_buf);
ThreadwiseSumReduce::Reduce(x_square_thread_buf[i], mean_square_thread_buf);
threadwise_x_load.MoveSrcSliceWindow(x_grid_desc_m_k, thread_copy_fwd_step_m_k);
++reducedTiles;
} while(reducedTiles < num_k_block_tile_iteration);
if constexpr(i != ThreadBufferNumber - 1)
{
threadwise_x_load.MoveSrcSliceWindow(x_grid_desc_m_k, thread_copy_fwd_step_m_k);
threadwise_gamma_load.MoveSrcSliceWindow(gamma_grid_desc_m_k,
thread_copy_fwd_step_m_k);
}
});
static_for<0, MThreadSliceSize, 1>{}([&](auto I) {
if constexpr(I > 0)
block_sync_lds();
static_for<0, MThreadSliceSize, 1>{}([&](auto I) {
if constexpr(I > 0)
block_sync_lds();
BlockwiseSumReduce::Reduce(reduce_work_buf, mean_thread_buf(I));
mean_thread_buf(I) = mean_thread_buf(I) / reduce_length;
BlockwiseSumReduce::Reduce(reduce_work_buf, mean_thread_buf(I));
mean_thread_buf(I) = mean_thread_buf(I) / reduce_length;
block_sync_lds();
block_sync_lds();
BlockwiseSumReduce::Reduce(reduce_work_buf, mean_square_thread_buf(I));
mean_square_thread_buf(I) = mean_square_thread_buf(I) / reduce_length;
BlockwiseSumReduce::Reduce(reduce_work_buf, mean_square_thread_buf(I));
mean_square_thread_buf(I) = mean_square_thread_buf(I) / reduce_length;
// var(x) = E[x^2] - E[x]^2
var_thread_buf(I) =
mean_square_thread_buf(I) - (mean_thread_buf(I) * mean_thread_buf(I));
});
// var(x) = E[x^2] - E[x]^2
var_thread_buf(I) =
mean_square_thread_buf(I) - (mean_thread_buf(I) * mean_thread_buf(I));
});
// y = (x - E[x]) / sqrt(var[x] + epsilon)
auto thread_copy_tail_m_k = (num_k_block_tile_iteration - 1) * thread_copy_fwd_step_m_k;
static_for<0, MThreadSliceSize, 1>{}([&](auto iM) {
auto divisor = 1 / ck::math::sqrt(var_thread_buf(iM) + epsilon);
static_for<0, ThreadBufferNumber, 1>{}([&](auto iK0) {
threadwise_beta_load.Run(beta_grid_desc_m_k,
beta_global_val_buf,
thread_buffer_desc_m_k,
make_tuple(I0, I0),
beta_thread_buf(iK0));
if constexpr(iK0 != ThreadBufferNumber - 1)
threadwise_beta_load.MoveSrcSliceWindow(beta_grid_desc_m_k,
thread_copy_fwd_step_m_k);
static_for<0, XSrcVectorSize, 1>{}([&](auto iK1) {
constexpr auto offset_m_k =
thread_buffer_desc_m_k.CalculateOffset(make_tuple(iM, iK1));
// normalize
y_thread_buf(iK0)(Number<offset_m_k>{}) =
(x_thread_buf(iK0)(Number<offset_m_k>{}) - mean_thread_buf(iM)) *
divisor;
// gamma & beta
y_thread_buf(iK0)(Number<offset_m_k>{}) =
y_thread_buf(iK0)(Number<offset_m_k>{}) *
gamma_thread_buf(iK0)(Number<offset_m_k>{}) +
beta_thread_buf(iK0)(Number<offset_m_k>{});
});
});
});
threadwise_x_load.MoveSrcSliceWindow(x_grid_desc_m_k, thread_copy_bwd_step_m_k);
threadwise_gamma_load.MoveSrcSliceWindow(gamma_grid_desc_m_k, thread_copy_tail_m_k);
threadwise_beta_load.MoveSrcSliceWindow(beta_grid_desc_m_k, thread_copy_tail_m_k);
threadwise_y_store.MoveDstSliceWindow(y_grid_desc_m_k, thread_copy_tail_m_k);
static_for<0, ThreadBufferNumber, 1>{}([&](auto i) {
threadwise_y_store.Run(thread_buffer_desc_m_k,
make_tuple(I0, I0),
y_thread_buf(i),
y_grid_desc_m_k,
y_global_val_buf);
reducedTiles = 0;
do
if constexpr(i != ThreadBufferNumber - 1)
threadwise_y_store.MoveDstSliceWindow(y_grid_desc_m_k,
thread_copy_fwd_step_m_k);
});
} // end of sweep once
else
{
if constexpr(!SweepOnce)
for(index_t reducedTiles = 0; reducedTiles < num_k_block_tile_iteration; ++reducedTiles)
{
threadwise_x_load.Run(x_grid_desc_m_k,
x_global_val_buf,
thread_buffer_desc_m_k,
make_tuple(I0, I0),
x_thread_buf);
static_for<0, ThreadBufferNumber, 1>{}([&](auto i) {
threadwise_x_load.Run(x_grid_desc_m_k,
x_global_val_buf,
thread_buffer_desc_m_k,
make_tuple(I0, I0),
x_thread_buf(i));
threadwise_x_load.MoveSrcSliceWindow(x_grid_desc_m_k, thread_copy_fwd_step_m_k);
static_for<0, MThreadSliceSize, 1>{}([&](auto iM) {
static_for<0, XSrcVectorSize, 1>{}([&](auto iK) {
constexpr auto offset_m_k =
thread_buffer_desc_m_k.CalculateOffset(make_tuple(iM, iK));
x_square_thread_buf(i)(Number<offset_m_k>{}) =
x_thread_buf(i)(Number<offset_m_k>{}) *
x_thread_buf(i)(Number<offset_m_k>{});
});
});
ThreadwiseSumReduce::Reduce(x_thread_buf[i], mean_thread_buf);
ThreadwiseSumReduce::Reduce(x_square_thread_buf[i], mean_square_thread_buf);
});
}
threadwise_gamma_load.Run(gamma_grid_desc_m_k,
gamma_global_val_buf,
thread_buffer_desc_m_k,
make_tuple(I0, I0),
gamma_thread_buf);
static_for<0, MThreadSliceSize, 1>{}([&](auto I) {
if constexpr(I > 0)
block_sync_lds();
static_for<0, MThreadSliceSize, 1>{}([&](auto iM) {
static_for<0, KThreadSliceSize, 1>{}([&](auto iK) {
constexpr auto offset_m_k =
thread_buffer_desc_m_k.CalculateOffset(make_tuple(iM, iK));
// normalize
y_thread_buf(Number<offset_m_k>{}) =
(x_thread_buf(Number<offset_m_k>{}) - mean_thread_buf(iM)) /
sqrt(var_thread_buf(iM) + epsilon);
// gamma
y_thread_buf(Number<offset_m_k>{}) =
y_thread_buf(Number<offset_m_k>{}) * gamma_thread_buf(Number<offset_m_k>{});
});
});
BlockwiseSumReduce::Reduce(reduce_work_buf, mean_thread_buf(I));
mean_thread_buf(I) = mean_thread_buf(I) / reduce_length;
threadwise_beta_load.Run(beta_grid_desc_m_k,
beta_global_val_buf,
thread_buffer_desc_m_k,
make_tuple(I0, I0),
beta_thread_buf);
block_sync_lds();
static_for<0, MThreadSliceSize, 1>{}([&](auto iM) {
static_for<0, KThreadSliceSize, 1>{}([&](auto iK) {
constexpr auto offset_m_k =
thread_buffer_desc_m_k.CalculateOffset(make_tuple(iM, iK));
BlockwiseSumReduce::Reduce(reduce_work_buf, mean_square_thread_buf(I));
mean_square_thread_buf(I) = mean_square_thread_buf(I) / reduce_length;
// beta
y_thread_buf(Number<offset_m_k>{}) =
y_thread_buf(Number<offset_m_k>{}) + beta_thread_buf(Number<offset_m_k>{});
});
// var(x) = E[x^2] - E[x]^2
var_thread_buf(I) =
mean_square_thread_buf(I) - (mean_thread_buf(I) * mean_thread_buf(I));
});
threadwise_y_store.Run(thread_buffer_desc_m_k,
make_tuple(I0, I0),
y_thread_buf,
y_grid_desc_m_k,
y_global_val_buf);
auto thread_copy_tail_m_k =
(num_k_block_tile_iteration - 1) * ThreadBufferNumber * thread_copy_fwd_step_m_k;
threadwise_x_load.MoveSrcSliceWindow(x_grid_desc_m_k, thread_copy_bwd_step_m_k);
threadwise_gamma_load.MoveSrcSliceWindow(gamma_grid_desc_m_k, thread_copy_bwd_step_m_k);
threadwise_beta_load.MoveSrcSliceWindow(beta_grid_desc_m_k, thread_copy_bwd_step_m_k);
threadwise_y_store.MoveDstSliceWindow(y_grid_desc_m_k, thread_copy_bwd_step_m_k);
threadwise_gamma_load.MoveSrcSliceWindow(gamma_grid_desc_m_k, thread_copy_tail_m_k);
threadwise_beta_load.MoveSrcSliceWindow(beta_grid_desc_m_k, thread_copy_tail_m_k);
threadwise_y_store.MoveDstSliceWindow(y_grid_desc_m_k, thread_copy_tail_m_k);
for(index_t reducedTiles = 0; reducedTiles < num_k_block_tile_iteration; ++reducedTiles)
{
static_for<0, ThreadBufferNumber, 1>{}([&](auto i) {
threadwise_x_load.Run(x_grid_desc_m_k,
x_global_val_buf,
thread_buffer_desc_m_k,
make_tuple(I0, I0),
x_thread_buf(i));
threadwise_x_load.MoveSrcSliceWindow(x_grid_desc_m_k, thread_copy_fwd_step_m_k);
});
++reducedTiles;
} while(reducedTiles < num_k_block_tile_iteration);
static_for<0, ThreadBufferNumber, 1>{}([&](auto i) {
threadwise_gamma_load.Run(gamma_grid_desc_m_k,
gamma_global_val_buf,
thread_buffer_desc_m_k,
make_tuple(I0, I0),
gamma_thread_buf(i));
threadwise_gamma_load.MoveSrcSliceWindow(gamma_grid_desc_m_k,
thread_copy_fwd_step_m_k);
});
static_for<0, MThreadSliceSize, 1>{}([&](auto iM) {
auto divisor = 1 / ck::math::sqrt(var_thread_buf(iM) + epsilon);
static_for<0, ThreadBufferNumber, 1>{}([&](auto iK0) {
static_for<0, XSrcVectorSize, 1>{}([&](auto iK1) {
constexpr auto offset_m_k =
thread_buffer_desc_m_k.CalculateOffset(make_tuple(iM, iK1));
// normalize
y_thread_buf(iK0)(Number<offset_m_k>{}) =
(x_thread_buf(iK0)(Number<offset_m_k>{}) - mean_thread_buf(iM)) *
divisor;
// gamma
y_thread_buf(iK0)(Number<offset_m_k>{}) =
y_thread_buf(iK0)(Number<offset_m_k>{}) *
gamma_thread_buf(iK0)(Number<offset_m_k>{});
});
});
});
static_for<0, ThreadBufferNumber, 1>{}([&](auto i) {
threadwise_beta_load.Run(beta_grid_desc_m_k,
beta_global_val_buf,
thread_buffer_desc_m_k,
make_tuple(I0, I0),
beta_thread_buf(i));
threadwise_beta_load.MoveSrcSliceWindow(beta_grid_desc_m_k,
thread_copy_fwd_step_m_k);
});
static_for<0, MThreadSliceSize, 1>{}([&](auto iM) {
static_for<0, ThreadBufferNumber, 1>{}([&](auto iK0) {
static_for<0, XSrcVectorSize, 1>{}([&](auto iK1) {
constexpr auto offset_m_k =
thread_buffer_desc_m_k.CalculateOffset(make_tuple(iM, iK1));
// beta
y_thread_buf(iK0)(Number<offset_m_k>{}) =
y_thread_buf(iK0)(Number<offset_m_k>{}) +
beta_thread_buf(iK0)(Number<offset_m_k>{});
});
});
});
static_for<0, ThreadBufferNumber, 1>{}([&](auto i) {
threadwise_y_store.Run(thread_buffer_desc_m_k,
make_tuple(I0, I0),
y_thread_buf(i),
y_grid_desc_m_k,
y_global_val_buf);
threadwise_y_store.MoveDstSliceWindow(y_grid_desc_m_k,
thread_copy_fwd_step_m_k);
});
threadwise_x_load.MoveSrcSliceWindow(x_grid_desc_m_k, 2 * thread_copy_bwd_step_m_k);
threadwise_gamma_load.MoveSrcSliceWindow(gamma_grid_desc_m_k,
2 * thread_copy_bwd_step_m_k);
threadwise_beta_load.MoveSrcSliceWindow(beta_grid_desc_m_k,
2 * thread_copy_bwd_step_m_k);
threadwise_y_store.MoveDstSliceWindow(y_grid_desc_m_k,
2 * thread_copy_bwd_step_m_k);
}
} // end of sweep twice
}
};
......
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