COMPMID-1086: Optimizing GCGEMM - Add helpers to get target GPU information

This patch moves some of the helper functions in CLHelpers.[h,cpp] to
GPUTarget.[h,cpp] in order to make them avaialable to both CL and GLES backends.

Change-Id: Ib89b05a2084b73eb643b32fac13b8367cc80b6a5
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/128988
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>

1 files changed, 154 insertions, 0 deletions

diff --git a/src/core/GPUTarget.cpp b/src/core/GPUTarget.cpp
new file mode 100644
index 0000000000..575d858589
--- /dev/null
+++ b/src/core/GPUTarget.cpp
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2018 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 "arm_compute/core/GPUTarget.h"
+#include "arm_compute/core/Log.h"
+
+#include <map>
+#include <regex>
+
+namespace
+{
+arm_compute::GPUTarget get_bifrost_target(const std::string &version)
+{
+    if(version == "G71")
+    {
+        return arm_compute::GPUTarget::G71;
+    }
+    else if(version == "G72")
+    {
+        return arm_compute::GPUTarget::G72;
+    }
+    else if(version == "G51")
+    {
+        return arm_compute::GPUTarget::G51;
+    }
+    else if(version == "G51BIG")
+    {
+        return arm_compute::GPUTarget::G51BIG;
+    }
+    else if(version == "G51LIT")
+    {
+        return arm_compute::GPUTarget::G51LIT;
+    }
+    else if(version == "TNOX")
+    {
+        return arm_compute::GPUTarget::TNOX;
+    }
+    else if(version == "TTRX")
+    {
+        return arm_compute::GPUTarget::TTRX;
+    }
+    else if(version == "TBOX")
+    {
+        return arm_compute::GPUTarget::TBOX;
+    }
+    else
+    {
+        return arm_compute::GPUTarget::BIFROST;
+    }
+}
+
+arm_compute::GPUTarget get_midgard_target(const std::string &version)
+{
+    if(version == "T600")
+    {
+        return arm_compute::GPUTarget::T600;
+    }
+    else if(version == "T700")
+    {
+        return arm_compute::GPUTarget::T700;
+    }
+    else if(version == "T800")
+    {
+        return arm_compute::GPUTarget::T800;
+    }
+    else
+    {
+        return arm_compute::GPUTarget::MIDGARD;
+    }
+}
+} // namespace
+
+namespace arm_compute
+{
+const std::string &string_from_target(GPUTarget target)
+{
+    static std::map<GPUTarget, const std::string> gpu_target_map =
+    {
+        { GPUTarget::MIDGARD, "midgard" },
+        { GPUTarget::BIFROST, "bifrost" },
+        { GPUTarget::T600, "t600" },
+        { GPUTarget::T700, "t700" },
+        { GPUTarget::T800, "t800" },
+        { GPUTarget::G71, "g71" },
+        { GPUTarget::G72, "g72" },
+        { GPUTarget::G51, "g51" },
+        { GPUTarget::G51BIG, "g51big" },
+        { GPUTarget::G51LIT, "g51lit" },
+        { GPUTarget::TNOX, "tnox" },
+        { GPUTarget::TTRX, "ttrx" },
+        { GPUTarget::TBOX, "tbox" }
+    };
+
+    return gpu_target_map[target];
+}
+
+GPUTarget get_target_from_name(const std::string &device_name)
+{
+    std::regex  mali_regex(R"(Mali-(.*))");
+    std::smatch name_parts;
+    const bool  found_mali = std::regex_search(device_name, name_parts, mali_regex);
+
+    if(!found_mali)
+    {
+        ARM_COMPUTE_LOG_INFO_MSG_CORE("Can't find valid Mali GPU. Target is set to UNKNOWN.");
+        return GPUTarget::UNKNOWN;
+    }
+
+    const char         target  = name_parts.str(1)[0];
+    const std::string &version = name_parts.str(1);
+
+    std::regex future_regex(R"(.*X)");
+    const bool is_future_bifrost = std::regex_search(version, future_regex);
+
+    if(target == 'G' || is_future_bifrost)
+    {
+        return get_bifrost_target(version);
+    }
+    else if(target == 'T')
+    {
+        return get_midgard_target(version);
+    }
+    else
+    {
+        ARM_COMPUTE_LOG_INFO_MSG_CORE("Mali GPU unknown. Target is set to the default one. (BIFROST)");
+        return GPUTarget::BIFROST;
+    }
+}
+
+GPUTarget get_arch_from_target(GPUTarget target)
+{
+    return (target & GPUTarget::GPU_ARCH_MASK);
+}
+} // namespace arm_compute