#include <algorithm>
#include <cmath>
#include <iostream>
#include <string>
#include <vector>
#include "example_utils.hpp"
IC = 3,
IH = 227,
IW = 227;
std::vector<float> src_data(product(src_dims));
std::vector<float> dst_data(product(src_dims));
std::generate(src_data.begin(), src_data.end(), []() {
static int i = 0;
return std::cos(i++ / 10.f);
});
auto src_md = memory::desc(src_dims, dt::f32, tag::nchw);
auto src_mem = memory(src_md, engine);
auto dst_mem = memory(src_md, engine);
write_to_dnnl_memory(src_data.data(), src_mem);
const float alpha = 1.e-4f;
const float beta = 0.75f;
const float k = 1.f;
auto lrn_pd = lrn_forward::primitive_desc(lrn_d, engine);
auto workspace_mem = memory(lrn_pd.workspace_desc(), engine);
auto lrn_prim = lrn_forward(lrn_pd);
std::unordered_map<int, memory> lrn_args;
lrn_prim.execute(engine_stream, lrn_args);
engine_stream.wait();
read_from_dnnl_memory(dst_data.data(), dst_mem);
}
int main(int argc, char **argv) {
return handle_example_errors(lrn_example, parse_engine_kind(argc, argv));
}
@ lrn_across_channels
Local response normalization (LRN) across multiple channels.
@ forward_training
Forward data propagation (training mode).
#define DNNL_ARG_DST
A special mnemonic for destination argument for primitives that have a single destination.
Definition: dnnl_types.h:2422
#define DNNL_ARG_WORKSPACE
Workspace tensor argument.
Definition: dnnl_types.h:2486
#define DNNL_ARG_SRC
A special mnemonic for source argument for primitives that have a single source.
Definition: dnnl_types.h:2398
@ src_md
source memory desc
oneDNN namespace
Definition: dnnl.hpp:74
An execution engine.
Definition: dnnl.hpp:895
kind
Kinds of engines.
Definition: dnnl.hpp:900
dnnl_dim_t dim
Integer type for representing dimension sizes and indices.
Definition: dnnl.hpp:1138
format_tag
Memory format tag specification.
Definition: dnnl.hpp:1237
data_type
Data type specification.
Definition: dnnl.hpp:1156
std::vector< dim > dims
Vector of dimensions.
Definition: dnnl.hpp:1141
An execution stream.
Definition: dnnl.hpp:1011