Benchmark precompile op in gpu driver (#2340)

src/targets/gpu/driver/precompile_op.cpp

+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015-2023 Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * 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 <migraphx/gpu/driver/action.hpp>
+#include <migraphx/gpu/time_op.hpp>
+#include <migraphx/gpu/context.hpp>
+#include <migraphx/gpu/lowering.hpp>
+#include <migraphx/gpu/compile_ops.hpp>
+#include <migraphx/make_op.hpp>
+#include <migraphx/pass_manager.hpp>
+#include <migraphx/program.hpp>
+#include <migraphx/instruction.hpp>
+
+namespace migraphx {
+inline namespace MIGRAPHX_INLINE_NS {
+namespace gpu {
+namespace driver {
+
+struct precompile_op : action<precompile_op>
+{
+    static program create_preop_program(const operation& preop, std::vector<shape> inputs)
+    {
+        program p;
+        auto* mm = p.get_main_module();
+        std::vector<instruction_ref> args;
+        inputs.pop_back();
+        transform(inputs, range(inputs.size()), std::back_inserter(args), [&](auto input, auto i) {
+            return mm->add_parameter("x" + std::to_string(i), input);
+        });
+        mm->add_instruction(preop, args);
+        return p;
+    }
+
+    static operation get_code_object(const program& p)
+    {
+        MIGRAPHX_TIDY_CONST auto* mm = p.get_main_module();
+        auto it                      = std::find_if(mm->begin(), mm->end(), [](const auto& ins) {
+            return (ins.name() == "gpu::code_object");
+        });
+        if(it == mm->end())
+            MIGRAPHX_THROW("Failed to create code object");
+        return it->get_operator();
+    }
+    static void apply(const parser& p, const value& v)
+    {
+        context ctx;
+        auto inputs = p.parse_shapes(v.at("inputs"));
+        auto name   = v.at("name").to<std::string>();
+        auto preop  = make_op(name);
+        if(v.contains("fields"))
+            preop.from_value(v.at("fields"));
+        bool exhaustive = v.get("exhaustive", false);
+        auto prog       = create_preop_program(preop, inputs);
+        run_passes(prog, {lowering{}, compile_ops{&ctx, exhaustive}});
+        auto op = get_code_object(prog);
+        auto t  = time_op(ctx, op, inputs, p.get(v, "iterations", 100));
+        std::cout << preop << ": " << t << "ms" << std::endl;
+    }
+};
+
+} // namespace driver
+} // namespace gpu
+} // namespace MIGRAPHX_INLINE_NS
+} // namespace migraphx