com.intel.analytics.bigdl.nn.mkldnn.MklDnnOps.scala Maven / Gradle / Ivy
/*
* Copyright 2016 The BigDL Authors.
*
* 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.
*/
package com.intel.analytics.bigdl.nn.mkldnn
import com.intel.analytics.bigdl.mkl.{Memory, MklDnn, Engine => DnnEngine, Stream => DnnStream}
import com.intel.analytics.bigdl.tensor.{DnnTensor, Tensor}
private[mkldnn] object MklDnnOps {
def memorySetDataHandle(memory: Long, data: Tensor[Float], offset: Int): Long = {
require(MklDnn.isLoaded, "mkldnn isn't loaded")
MklDnn.MemorySetDataHandle(memory, data.storage().array(), offset)
}
def memoryReleaseDataHandle(data: Tensor[Float], ptr: Long): Unit = {
require(MklDnn.isLoaded, "mkldnn isn't loaded")
MklDnn.MemoryReleaseDataHandle(data.storage().array(), ptr)
}
def streamSubmit(loc: Long, block: Int, primitives: Array[Long], length: Int,
memory_primitives: Array[Long], buffers: Array[Tensor[Float]]): Unit = {
require(MklDnn.isLoaded, "mkldnn isn't loaded")
require(memory_primitives.length == buffers.length)
val handle = new Array[Long](memory_primitives.length)
for (i <- memory_primitives.indices) {
if (memory_primitives(i) != 0L) {
if (buffers(i).isInstanceOf[DnnTensor[_]]) {
Memory.SetDataHandle(memory_primitives(i),
buffers(i).asInstanceOf[DnnTensor[Float]].storageAddress(), 0)
} else {
handle(i) = MklDnnOps.memorySetDataHandle(
memory_primitives(i), buffers(i), buffers(i).storageOffset() - 1)
}
}
}
DnnStream.Submit(loc, block, primitives)
for (i <- memory_primitives.indices) {
if (handle(i) != 0L) {
MklDnnOps.memoryReleaseDataHandle(buffers(i), handle(i))
}
}
}
}