add prototype

src/include/migraphx/rewrite_gemm.hpp

+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015-2022 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.
+ */
+#ifndef MIGRAPHX_GUARD_RTGLIB_REWRITE_GEMM_HPP
+#define MIGRAPHX_GUARD_RTGLIB_REWRITE_GEMM_HPP
+
+#include <string>
+#include <migraphx/instruction_ref.hpp>
+#include <migraphx/config.hpp>
+
+namespace migraphx {
+inline namespace MIGRAPHX_INLINE_NS {
+
+struct module;
+
+/**
+ * Rewrite Gemm to Conv2D if batch size = 1
+ */
+struct rewrite_gemm
+{
+    std::string allocation_op{};
+    std::string name() const { return "rewrite_gemm"; }
+    void apply(module& m) const;
+};
+
+} // namespace MIGRAPHX_INLINE_NS
+} // namespace migraphx
+
+#endif

src/rewrite_gemm.cpp

+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015-2022 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/rewrite_gemm.hpp>
+#include <migraphx/program.hpp>
+#include <migraphx/instruction.hpp>
+#include <migraphx/iterator_for.hpp>
+#include <migraphx/ranges.hpp>
+#include <migraphx/stringutils.hpp>
+#include <migraphx/serialize.hpp>
+
+#include <migraphx/make_op.hpp>
+
+#include <migraphx/pass_config.hpp>
+
+namespace migraphx {
+inline namespace MIGRAPHX_INLINE_NS {
+
+void rewrite_gemm::apply(module& m) const
+{
+    for(auto ins : iterator_for(m))
+    {
+        if(ins->name() != "dot")
+            continue;
+        auto inputs = ins->inputs();
+        auto in0 = inputs.at(0);
+        if(in0->get_shape().lens().at(0) != 1) // only batch size = 1
+            continue;
+        auto in1 = inputs.at(1);
+
+        auto in0_transposed = m.insert_instruction(ins, make_op("transpose", {{"permutation", {0,3,1,2}}}), in0);
+        auto in1_transposed = m.insert_instruction(ins, make_op("transpose", {{"permutation", {3,2,1,0}}}), in1);
+        
+        auto conv = make_op("convolution");
+        auto conv_out = m.replace_instruction(ins, conv, {in0_transposed, in1_transposed});
+        auto conv_transpose = m.add_instruction(make_op("transpose", {{"permutation", {0,2,3,1}}}), conv_out);
+        // m.insert_instruction(std::next(conv_transpose), make_op("unsqueeze"));
+    }
+}
+
+} // namespace MIGRAPHX_INLINE_NS
+} // namespace migraphx