Add Queue support

Queues are responsible for scheduling operators and performing other
runtime related activities like for example tuning.

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I0366d9048470d277b8cbf59fa42f95c0ae57c5c9
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5487
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

4 files changed, 111 insertions, 0 deletions

diff --git a/src/cpu/CpuContext.cpp b/src/cpu/CpuContext.cpp
index d62c1b6310..b9a6999f84 100644
--- a/src/cpu/CpuContext.cpp
+++ b/src/cpu/CpuContext.cpp
@@ -24,6 +24,7 @@
 #include "src/cpu/CpuContext.h"
 
 #include "arm_compute/core/CPP/CPPTypes.h"
+#include "src/cpu/CpuQueue.h"
 #include "src/cpu/CpuTensor.h"
 #include "src/runtime/CPUUtils.h"
 
@@ -196,5 +197,10 @@ ITensorV2 *CpuContext::create_tensor(const AclTensorDescriptor &desc, bool alloc
     }
     return tensor;
 }
+
+IQueue *CpuContext::create_queue(const AclQueueOptions *options)
+{
+    return new CpuQueue(this, options);
+}
 } // namespace cpu
 } // namespace arm_compute
diff --git a/src/cpu/CpuContext.h b/src/cpu/CpuContext.h
index d2062e4bdd..e909767a7b 100644
--- a/src/cpu/CpuContext.h
+++ b/src/cpu/CpuContext.h
@@ -69,6 +69,7 @@ public:
 
     // Inherrited methods overridden
     ITensorV2 *create_tensor(const AclTensorDescriptor &desc, bool allocate) override;
+    IQueue *create_queue(const AclQueueOptions *options) override;
 
 private:
     AllocatorWrapper _allocator;
diff --git a/src/cpu/CpuQueue.cpp b/src/cpu/CpuQueue.cpp
new file mode 100644
index 0000000000..0f0097b3f4
--- /dev/null
+++ b/src/cpu/CpuQueue.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "src/cpu/CpuQueue.h"
+
+#include "arm_compute/runtime/Scheduler.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+CpuQueue::CpuQueue(IContext *ctx, const AclQueueOptions *options)
+    : IQueue(ctx)
+{
+    ARM_COMPUTE_UNUSED(options);
+}
+
+arm_compute::IScheduler &CpuQueue::scheduler()
+{
+    return arm_compute::Scheduler::get();
+}
+
+StatusCode CpuQueue::finish()
+{
+    return StatusCode::Success;
+}
+} // namespace cpu
+} // namespace arm_compute
diff --git a/src/cpu/CpuQueue.h b/src/cpu/CpuQueue.h
new file mode 100644
index 0000000000..871a36c85b
--- /dev/null
+++ b/src/cpu/CpuQueue.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef SRC_CPU_CPUQUEUE_H
+#define SRC_CPU_CPUQUEUE_H
+
+#include "src/common/IQueue.h"
+
+#include "arm_compute/runtime/IScheduler.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+/** CPU queue implementation class */
+class CpuQueue final : public IQueue
+{
+public:
+    /** Construct a new CpuQueue object
+     *
+     * @param[in] ctx     Context to be used
+     * @param[in] options Command queue options
+     */
+    CpuQueue(IContext *ctx, const AclQueueOptions *options);
+    /** Return legacy scheduler
+     *
+     * @return arm_compute::IScheduler&
+     */
+    arm_compute::IScheduler &scheduler();
+
+    // Inherited functions overridden
+    StatusCode finish() override;
+};
+} // namespace cpu
+} // namespace arm_compute
+#endif /* SRC_CPU_CPUQUEUE_H */