diff options
Diffstat (limited to 'thirdparty/oidn/mkl-dnn/src/common/memory.cpp')
-rw-r--r-- | thirdparty/oidn/mkl-dnn/src/common/memory.cpp | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/thirdparty/oidn/mkl-dnn/src/common/memory.cpp b/thirdparty/oidn/mkl-dnn/src/common/memory.cpp new file mode 100644 index 0000000000..cea849c96e --- /dev/null +++ b/thirdparty/oidn/mkl-dnn/src/common/memory.cpp @@ -0,0 +1,238 @@ +/******************************************************************************* +* Copyright 2016-2018 Intel Corporation +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*******************************************************************************/ + +#include <assert.h> +#include <stddef.h> +#include <stdint.h> + +#include "mkldnn.h" + +#include "c_types_map.hpp" +#include "engine.hpp" +#include "type_helpers.hpp" +#include "utils.hpp" + +using namespace mkldnn::impl; +using namespace mkldnn::impl::utils; +using namespace mkldnn::impl::status; +using namespace mkldnn::impl::data_type; + +namespace { +bool memory_desc_sanity_check(int ndims,const dims_t dims, + data_type_t data_type, format_kind_t format_kind) { + if (ndims == 0) return true; + + bool ok = true + && dims != nullptr + && 0 < ndims && ndims <= MKLDNN_MAX_NDIMS + && one_of(data_type, f32, s32, s8, u8) + && format_kind != format_kind::undef; + if (!ok) return false; + for (int d = 0; d < ndims; ++d) + if (dims[d] < 0) return false; + + return true; +} + +bool memory_desc_sanity_check(const memory_desc_t *md) { + if (md == nullptr) return false; + return memory_desc_sanity_check(md->ndims, md->dims, md->data_type, + format_kind::any); +} +} + +status_t mkldnn_memory_desc_init_by_tag(memory_desc_t *memory_desc, int ndims, + const dims_t dims, data_type_t data_type, format_tag_t tag) { + if (any_null(memory_desc)) return invalid_arguments; + if (ndims == 0 || tag == format_tag::undef) { + *memory_desc = types::zero_md(); + return success; + } + + format_kind_t format_kind = types::format_tag_to_kind(tag); + + /* memory_desc != 0 */ + bool args_ok = !any_null(memory_desc) + && memory_desc_sanity_check(ndims, dims, data_type, format_kind); + if (!args_ok) return invalid_arguments; + + auto md = memory_desc_t(); + md.ndims = ndims; + array_copy(md.dims, dims, ndims); + md.data_type = data_type; + array_copy(md.padded_dims, dims, ndims); + md.format_kind = format_kind; + + status_t status = success; + if (tag == format_tag::undef) { + status = invalid_arguments; + } else if (tag == format_tag::any) { + // nop + } else if (format_kind == format_kind::blocked) { + status = memory_desc_wrapper::compute_blocking(md, tag); + } else { + assert(!"unreachable"); + status = invalid_arguments; + } + + if (status == success) + *memory_desc = md; + + return status; +} + +status_t mkldnn_memory_desc_init_by_strides(memory_desc_t *memory_desc, + int ndims, const dims_t dims, data_type_t data_type, + const dims_t strides) { + if (any_null(memory_desc)) return invalid_arguments; + if (ndims == 0) { + *memory_desc = types::zero_md(); + return success; + } + + /* memory_desc != 0 */ + bool args_ok = !any_null(memory_desc) + && memory_desc_sanity_check(ndims, dims, data_type, format_kind::any); + if (!args_ok) return invalid_arguments; + + auto md = memory_desc_t(); + md.ndims = ndims; + array_copy(md.dims, dims, ndims); + md.data_type = data_type; + array_copy(md.padded_dims, dims, ndims); + md.format_kind = format_kind::blocked; + + dims_t default_strides = {0}; + if (strides == nullptr) { + default_strides[md.ndims - 1] = 1; + for (int d = md.ndims - 2; d >= 0; --d) + default_strides[d] = default_strides[d + 1] * md.padded_dims[d + 1]; + strides = default_strides; + } else { + /* TODO: add sanity check for the provided strides */ + } + + array_copy(md.format_desc.blocking.strides, strides, md.ndims); + + *memory_desc = md; + + return status::success; +} + +status_t mkldnn_memory_desc_init_submemory(memory_desc_t *md, + const memory_desc_t *parent_md, const dims_t dims, + const dims_t offsets) { + if (any_null(md, parent_md) || !memory_desc_sanity_check(parent_md)) + return invalid_arguments; + + const memory_desc_wrapper src_d(parent_md); + + for (int d = 0; d < src_d.ndims(); ++d) { + if (dims[d] < 0 || offsets[d] < 0 + || (offsets[d] + dims[d] > src_d.dims()[d])) + return invalid_arguments; + } + + if (src_d.format_kind() != format_kind::blocked) + return unimplemented; + + dims_t blocks; + src_d.compute_blocks(blocks); + + memory_desc_t dst_d = *parent_md; + auto &dst_d_blk = dst_d.format_desc.blocking; + + /* TODO: put this into memory_desc_wrapper */ + for (int d = 0; d < src_d.ndims(); ++d) { + /* very limited functionality for now */ + const bool ok = true + && offsets[d] % blocks[d] == 0 /* [r1] */ + && src_d.padded_offsets()[d] == 0 + && (false + || dims[d] % blocks[d] == 0 + || dims[d] < blocks[d]); + if (!ok) + return unimplemented; + + const bool is_right_border = offsets[d] + dims[d] == src_d.dims()[d]; + + dst_d.dims[d] = dims[d]; + dst_d.padded_dims[d] = is_right_border + ? src_d.padded_dims()[d] - offsets[d] : dst_d.dims[d]; + dst_d.padded_offsets[d] = src_d.padded_offsets()[d]; + dst_d.offset0 += /* [r1] */ + offsets[d] / blocks[d] * dst_d_blk.strides[d]; + } + + *md = dst_d; + + return success; +} + +int mkldnn_memory_desc_equal(const memory_desc_t *lhs, + const memory_desc_t *rhs) { + if (lhs == rhs) return 1; + if (any_null(lhs, rhs)) return 0; + return memory_desc_wrapper(*lhs) == memory_desc_wrapper(*rhs); +} + +size_t mkldnn_memory_desc_get_size(const memory_desc_t *md) { + if (md == nullptr) return 0; + return memory_desc_wrapper(*md).size(); +} + +status_t mkldnn_memory_create(memory_t **memory, const memory_desc_t *md, + engine_t *engine, void *handle) { + if (any_null(memory, engine)) return invalid_arguments; + memory_desc_t z_md = types::zero_md(); + return engine->memory_create(memory, md ? md : &z_md, handle); +} + +status_t mkldnn_memory_get_memory_desc(const memory_t *memory, + const memory_desc_t **md) { + if (any_null(memory, md)) return invalid_arguments; + *md = memory->md(); + return success; +} + +status_t mkldnn_memory_get_engine(const memory_t *memory, engine_t **engine) { + if (any_null(memory, engine)) return invalid_arguments; + *engine = memory->engine(); + return success; +} + +status_t mkldnn_memory_get_data_handle(const memory_t *memory, + void **handle) { + if (any_null(handle)) + return invalid_arguments; + if (memory == nullptr) { + *handle = nullptr; + return success; + } + return memory->get_data_handle(handle); +} + +status_t mkldnn_memory_set_data_handle(memory_t *memory, void *handle) { + if (any_null(memory)) return invalid_arguments; + return memory->set_data_handle(handle); +} + +status_t mkldnn_memory_destroy(memory_t *memory) { + delete memory; + return success; +} + +// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s |