From 36031cb50f22297112750691b67ee87132ea3915 Mon Sep 17 00:00:00 2001 From: mozga-intel Date: Sun, 10 Jun 2018 23:07:07 +0200 Subject: [PATCH] MKLDNN layout: Support for pool operator --- paddle/fluid/operators/pool_mkldnn_op.cc | 182 ++++++++++++++++------- 1 file changed, 128 insertions(+), 54 deletions(-) diff --git a/paddle/fluid/operators/pool_mkldnn_op.cc b/paddle/fluid/operators/pool_mkldnn_op.cc index a045f9e98dd..5341187d1ce 100644 --- a/paddle/fluid/operators/pool_mkldnn_op.cc +++ b/paddle/fluid/operators/pool_mkldnn_op.cc @@ -18,9 +18,14 @@ limitations under the License. */ namespace paddle { namespace operators { -using mkldnn::memory; // Note: paddle has also "memory" namespace -using mkldnn::pooling_forward; +using framework::DataLayout; +using mkldnn::memory; using mkldnn::pooling_backward; +using mkldnn::pooling_forward; +using mkldnn::primitive; +using mkldnn::reorder; +using mkldnn::stream; +using platform::to_void_cast; // Generate keys for storing/retriving primitives for this operator // TODO(jczaja): Make hashing function more optimial @@ -55,8 +60,9 @@ class PoolMKLDNNOpKernel : public paddle::framework::OpKernel { const Tensor* input = ctx.Input("X"); Tensor* output = ctx.Output("Out"); - // Get an unique name from "argument" name of "Out" variable - // This name will be used as key when saving info into device context + PADDLE_ENFORCE(input->layout() == DataLayout::kMKLDNN && + input->format() != memory::format::format_undef, + "Wrong layout/format set for Input tensor"); std::string pooling_type = ctx.Attr("pooling_type"); std::vector ksize = ctx.Attr>("ksize"); @@ -82,6 +88,9 @@ class PoolMKLDNNOpKernel : public paddle::framework::OpKernel { std::vector src_tz = paddle::framework::vectorize2int(input->dims()); std::vector dst_tz = paddle::framework::vectorize2int(output->dims()); + auto input_format = input->format(); + memory::format output_format{memory::format::format_undef}; + const std::string key = gethash(src_tz, pooling_type, ksize, strides, paddings, ctx.op().Output("Out")); const std::string key_pool_p = key + "@pool_p"; @@ -94,16 +103,17 @@ class PoolMKLDNNOpKernel : public paddle::framework::OpKernel { auto pool_p = std::static_pointer_cast(dev_ctx.GetBlob(key_pool_p)); if (pool_p == nullptr) { - // TODO(pzelazko-intel): support more formats + auto src_md = platform::MKLDNNMemDesc( + src_tz, platform::MKLDNNGetDataType(), input_format); - auto src_md = - platform::MKLDNNMemDesc(src_tz, platform::MKLDNNGetDataType(), - mkldnn::memory::format::nchw); - auto dst_md = - platform::MKLDNNMemDesc(dst_tz, platform::MKLDNNGetDataType(), - mkldnn::memory::format::nchw); + /* create memory descriptor for pooling without specified format + * ('any') which lets a primitive (pooling in this case) choose + * the memory format preferred for best performance + */ + auto dst_md = platform::MKLDNNMemDesc(dst_tz, mkldnn::memory::f32, + mkldnn::memory::format::any); - std::shared_ptr pool_pd = + std::shared_ptr pool_pd = CreatePrimitiveDesc(src_md, dst_md, strides, paddings, ksize, pooling_type, mkldnn_engine); @@ -116,20 +126,22 @@ class PoolMKLDNNOpKernel : public paddle::framework::OpKernel { // save pool_workspace_memory to be referred in backward path dev_ctx.SetBlob(key_pool_workspace_memory, workspace_memory); - auto pool_src_memory_p = std::make_shared( - memory::primitive_desc{src_md, mkldnn_engine}, - static_cast(const_cast(input_data))); - dev_ctx.SetBlob(key_pool_src_mem_p, pool_src_memory_p); + auto src_memory = std::make_shared(pool_pd->src_primitive_desc(), + to_void_cast(input_data)); + auto dst_memory = + std::make_shared(pool_pd->dst_primitive_desc(), output_data); - auto pool_dst_memory_p = std::make_shared( - memory::primitive_desc{dst_md, mkldnn_engine}, - static_cast(output_data)); - dev_ctx.SetBlob(key_pool_dst_mem_p, pool_dst_memory_p); + dev_ctx.SetBlob(key_pool_src_mem_p, src_memory); + dev_ctx.SetBlob(key_pool_dst_mem_p, dst_memory); + + pool_p = std::make_shared(*pool_pd, *(src_memory.get()), + *(dst_memory.get()), + *workspace_memory); - pool_p = std::make_shared( - *pool_pd, *(pool_src_memory_p.get()), *(pool_dst_memory_p.get()), - *workspace_memory); dev_ctx.SetBlob(key_pool_p, pool_p); + + output_format = + (memory::format)dst_memory->get_primitive_desc().desc().data.format; } else { // Primitives already exist auto pool_src_memory_p = @@ -140,14 +152,20 @@ class PoolMKLDNNOpKernel : public paddle::framework::OpKernel { std::static_pointer_cast(dev_ctx.GetBlob(key_pool_dst_mem_p)); PADDLE_ENFORCE(pool_dst_memory_p != nullptr, "Fail to find pooling dst mem_p in device context"); - pool_src_memory_p->set_data_handle( - reinterpret_cast(const_cast(input_data))); + pool_src_memory_p->set_data_handle(to_void_cast(input_data)); pool_dst_memory_p->set_data_handle(output_data); + + output_format = (memory::format)pool_dst_memory_p->get_primitive_desc() + .desc() + .data.format; } // push primitive to stream and wait until it's executed std::vector pipeline{*(pool_p.get())}; - mkldnn::stream(mkldnn::stream::kind::eager).submit(pipeline).wait(); + stream(stream::kind::eager).submit(pipeline).wait(); + + output->set_layout(DataLayout::kMKLDNN); + output->set_format(output_format); } private: @@ -194,6 +212,13 @@ class PoolMKLDNNGradOpKernel : public paddle::framework::OpKernel { const Tensor* out_grad = ctx.Input(framework::GradVarName("Out")); Tensor* in_x_grad = ctx.Output(framework::GradVarName("X")); + PADDLE_ENFORCE(in_x->layout() == DataLayout::kMKLDNN && + in_x->format() != memory::format::format_undef, + "Wrong layout/format set for Input X tensor"); + PADDLE_ENFORCE(out_grad->layout() == DataLayout::kMKLDNN && + out_grad->format() != memory::format::format_undef, + "Wrong layout/format set for Input output_grad tensor"); + std::string pooling_type = ctx.Attr("pooling_type"); std::vector ksize = ctx.Attr>("ksize"); std::vector strides = ctx.Attr>("strides"); @@ -212,6 +237,7 @@ class PoolMKLDNNGradOpKernel : public paddle::framework::OpKernel { const T* out_grad_data = out_grad->data(); T* in_x_grad_data = in_x_grad->mutable_data(ctx.GetPlace()); + memory::format in_x_grad_format{memory::format::format_undef}; std::vector diff_src_tz = paddle::framework::vectorize2int(in_x_grad->dims()); @@ -225,39 +251,48 @@ class PoolMKLDNNGradOpKernel : public paddle::framework::OpKernel { const std::string key_pool_bwd_p = key + "@pool_bwd_p"; const std::string key_pool_diff_src_mem_p = key + "@pool_diff_src_mem_p"; const std::string key_pool_diff_dst_mem_p = key + "@pool_diff_dst_mem_p"; + const std::string key_pool_src_mem_p = key + "@pool_src_mem_p"; + const std::string key_pool_dst_mem_p = key + "@pool_dst_mem_p"; const std::string key_pool_pd = key + "@pool_pd"; const std::string key_pool_workspace_memory = key + "@pool_workspace_memory"; + auto user_diff_dst_memory = + memory({{{diff_dst_tz}, memory::data_type::f32, out_grad->format()}, + mkldnn_engine}, + to_void_cast(out_grad_data)); + + std::shared_ptr diff_src_memory; + std::shared_ptr diff_dst_memory; + auto dst_memory = + std::static_pointer_cast(dev_ctx.GetBlob(key_pool_dst_mem_p)); + PADDLE_ENFORCE(dst_memory != nullptr, + "Fail to find dst_memory in device context"); + + primitive reorder_diff_dst; + bool is_diff_dst_reordered = false; auto pool_bwd_p = std::static_pointer_cast( dev_ctx.GetBlob(key_pool_bwd_p)); if (pool_bwd_p == nullptr) { - auto diff_src_md = - platform::MKLDNNMemDesc(diff_src_tz, platform::MKLDNNGetDataType(), - mkldnn::memory::format::nchw); - auto diff_dst_md = - platform::MKLDNNMemDesc(diff_dst_tz, platform::MKLDNNGetDataType(), - mkldnn::memory::format::nchw); + // Retrieve src_memory/dst_memory saved in forward pass + auto src_memory = + std::static_pointer_cast(dev_ctx.GetBlob(key_pool_src_mem_p)); + PADDLE_ENFORCE(src_memory != nullptr, + "Fail to find src_memory in device context"); // Retrieve pool_pd/pool_workspace_memory from device context auto pool_pd = std::static_pointer_cast( dev_ctx.GetBlob(key_pool_pd)); PADDLE_ENFORCE(pool_pd != nullptr, "Fail to find pool_pd in device context"); - - auto workspace_memory = std::static_pointer_cast( + auto workspace_memory = std::static_pointer_cast( dev_ctx.GetBlob(key_pool_workspace_memory)); PADDLE_ENFORCE(workspace_memory != nullptr, "Fail to find workspace_memory in device context"); - auto pool_diff_src_memory_p = std::make_shared(memory( - {diff_src_md, mkldnn_engine}, static_cast(in_x_grad_data))); - dev_ctx.SetBlob(key_pool_diff_src_mem_p, pool_diff_src_memory_p); - - auto pool_diff_dst_memory_p = std::make_shared( - memory({diff_dst_md, mkldnn_engine}, - static_cast(const_cast(out_grad_data)))); - dev_ctx.SetBlob(key_pool_diff_dst_mem_p, pool_diff_dst_memory_p); + // create memory descriptors for pooling + auto diff_src_md = src_memory.get()->get_primitive_desc().desc(); + auto diff_dst_md = dst_memory.get()->get_primitive_desc().desc(); auto pool_bwd_desc = mkldnn::pooling_backward::desc( pooling_type == "max" ? mkldnn::algorithm::pooling_max @@ -267,35 +302,74 @@ class PoolMKLDNNGradOpKernel : public paddle::framework::OpKernel { auto pool_bwd_pd = mkldnn::pooling_backward::primitive_desc( pool_bwd_desc, mkldnn_engine, *pool_pd); + // reorder between user_diff_dst and pool diff_dst if needed + diff_dst_memory = std::make_shared(user_diff_dst_memory); + if (memory::primitive_desc(dst_memory->get_primitive_desc()) != + user_diff_dst_memory.get_primitive_desc()) { + diff_dst_memory = + std::make_shared(dst_memory.get()->get_primitive_desc()); + reorder_diff_dst = reorder(user_diff_dst_memory, *diff_dst_memory); + is_diff_dst_reordered = true; + } + + diff_src_memory = std::make_shared( + pool_bwd_pd.diff_src_primitive_desc(), in_x_grad_data); + + dev_ctx.SetBlob(key_pool_diff_src_mem_p, diff_src_memory); + dev_ctx.SetBlob(key_pool_diff_dst_mem_p, diff_dst_memory); + pool_bwd_p = std::make_shared( - pool_bwd_pd, *(pool_diff_dst_memory_p.get()), *workspace_memory, - *(pool_diff_src_memory_p)); + pool_bwd_pd, *(diff_dst_memory.get()), *workspace_memory, + *(diff_src_memory)); dev_ctx.SetBlob(key_pool_bwd_p, pool_bwd_p); + } else { // Primitives already exist - auto pool_diff_src_memory_p = std::static_pointer_cast( + diff_src_memory = std::static_pointer_cast( dev_ctx.GetBlob(key_pool_diff_src_mem_p)); - PADDLE_ENFORCE(pool_diff_src_memory_p != nullptr, + PADDLE_ENFORCE(diff_src_memory != nullptr, "Fail to find pooling src mem_p in device context"); - auto pool_diff_dst_memory_p = std::static_pointer_cast( + diff_dst_memory = std::static_pointer_cast( dev_ctx.GetBlob(key_pool_diff_dst_mem_p)); - PADDLE_ENFORCE(pool_diff_dst_memory_p != nullptr, + PADDLE_ENFORCE(diff_dst_memory != nullptr, "Fail to find pooling dst mem_p in device context"); - pool_diff_src_memory_p->set_data_handle( - reinterpret_cast(in_x_grad_data)); - pool_diff_dst_memory_p->set_data_handle(const_cast(out_grad_data)); + + diff_src_memory->set_data_handle(reinterpret_cast(in_x_grad_data)); + diff_dst_memory->set_data_handle(const_cast(out_grad_data)); + + // reorder between user_diff_dst and pool diff_dst if needed + if (memory::primitive_desc(dst_memory->get_primitive_desc()) != + user_diff_dst_memory.get_primitive_desc()) { + diff_dst_memory = + std::make_shared(dst_memory.get()->get_primitive_desc()); + reorder_diff_dst = reorder(user_diff_dst_memory, *diff_dst_memory); + is_diff_dst_reordered = true; + } } + in_x_grad_format = (memory::format)diff_src_memory->get_primitive_desc() + .desc() + .data.format; + // push primitive to stream and wait until it's executed - std::vector pipeline{*(pool_bwd_p.get())}; + std::vector pipeline; + if (is_diff_dst_reordered) { + pipeline.push_back(reorder_diff_dst); + } + pipeline.push_back(*(pool_bwd_p.get())); mkldnn::stream(mkldnn::stream::kind::eager).submit(pipeline).wait(); + + in_x_grad->set_layout(DataLayout::kMKLDNN); + in_x_grad->set_format(in_x_grad_format); } // Compute() }; } // namespace operators } // namespace paddle +namespace ops = paddle::operators; + REGISTER_OP_KERNEL(pool2d, MKLDNN, ::paddle::platform::CPUPlace, - paddle::operators::PoolMKLDNNOpKernel); + ops::PoolMKLDNNOpKernel); REGISTER_OP_KERNEL(pool2d_grad, MKLDNN, ::paddle::platform::CPUPlace, - paddle::operators::PoolMKLDNNGradOpKernel); + ops::PoolMKLDNNGradOpKernel); -- GitLab