Small bugs related to rnn (#499)

* code changes for small bugs

* clang format

* remove standard shape requirement for transpose.

* add a unit test

* clang format
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

src/driver/verify.cpp

@@ -83,6 +83,8 @@ void verify_instructions(const program& prog, double tolerance)
             continue;
         if(ins.name() == "reshape")
             continue;
+        if(ins.name() == "undefined")
+            continue;
         program p;
         std::vector<instruction_ref> inputs;
         for(auto&& arg : ins.inputs())

src/rewrite_rnn.cpp

@@ -15,6 +15,7 @@
 #include <migraphx/op/sub.hpp>
 #include <migraphx/op/transpose.hpp>
 #include <migraphx/op/unsqueeze.hpp>
+#include <migraphx/op/contiguous.hpp>
 #include <migraphx/iterator_for.hpp>
 #include <migraphx/dfor.hpp>
 #include <migraphx/op/common.hpp>
@@ -240,7 +241,8 @@ std::vector<instruction_ref> rewrite_rnn::vanilla_rnn_cell(bool is_forward,
     {
         long seq_index = is_forward ? i : (seq_len - 1 - i);
         auto xt = prog.insert_instruction(ins, op::slice{{0}, {seq_index}, {seq_index + 1}}, input);
-        xt      = prog.insert_instruction(ins, op::squeeze{{0}}, xt);
+        auto cont_xt = prog.insert_instruction(ins, op::contiguous{}, xt);
+        xt           = prog.insert_instruction(ins, op::squeeze{{0}}, cont_xt);
         auto xt_wi   = prog.insert_instruction(ins, op::dot{}, xt, tran_sw);
         auto ht_ri   = prog.insert_instruction(ins, op::dot{}, sih, tran_sr);
         if(bias != prog.end())
@@ -536,7 +538,8 @@ std::vector<instruction_ref> rewrite_rnn::gru_cell(bool is_forward,
     {
         long seq_index = is_forward ? i : (seq_len - 1 - i);
         auto xt = prog.insert_instruction(ins, op::slice{{0}, {seq_index}, {seq_index + 1}}, seq);
-        xt      = prog.insert_instruction(ins, op::squeeze{{0}}, xt);
+        auto cont_xt = prog.insert_instruction(ins, op::contiguous{}, xt);
+        xt           = prog.insert_instruction(ins, op::squeeze{{0}}, cont_xt);
 
         auto xt_w    = prog.insert_instruction(ins, op::dot{}, xt, tw);
         auto ih1_rzr = prog.insert_instruction(ins, op::dot{}, sih, trzr);
@@ -949,7 +952,8 @@ std::vector<instruction_ref> rewrite_rnn::lstm_cell(bool is_forward,
     {
         long seq_index = is_forward ? i : (seq_len - 1 - i);
         auto xt = prog.insert_instruction(ins, op::slice{{0}, {seq_index}, {seq_index + 1}}, seq);
-        xt      = prog.insert_instruction(ins, op::squeeze{{0}}, xt);
+        auto cont_xt = prog.insert_instruction(ins, op::contiguous{}, xt);
+        xt           = prog.insert_instruction(ins, op::squeeze{{0}}, cont_xt);
 
         auto xt_tsw  = prog.insert_instruction(ins, op::dot{}, xt, tsw);
         auto sih_tsr = prog.insert_instruction(ins, op::dot{}, sih, tsr);

src/targets/gpu/include/migraphx/gpu/gemm.hpp

@@ -59,6 +59,12 @@ struct rocblas_gemm
         auto dim_0       = strides.size() - 2;
         auto matrix_size = std::max(strides[dim_0], strides[dim_0 + 1]);
         std::vector<std::size_t> batch(strides.begin(), strides.begin() + dim_0);
+        if(std::all_of(batch.begin(), batch.end(), [&](auto i) { return (i < matrix_size); }))
+        {
+            MIGRAPHX_THROW("GPU_GEMM: matrix size and batch size {" + to_string_range(strides) +
+                           "} are transposed!");
+        }
+
         if(std::adjacent_find(batch.begin(), batch.end(), [&](auto i, auto j) {
                return (i < j or i < matrix_size or j < matrix_size);
            }) != batch.end())

test/gpu/ops_test.cpp

@@ -1716,6 +1716,25 @@ struct gemm_multi_3args_alpha0 : verify_program<gemm_multi_3args_alpha0>
     }
 };
 
+struct gemm_multi_transpose : verify_program<gemm_multi_transpose>
+{
+    migraphx::program create_program() const
+    {
+        migraphx::program p;
+        migraphx::shape m1_shape{migraphx::shape::float_type, {2, 2, 3}};
+        migraphx::shape m2_shape{migraphx::shape::float_type, {3, 2, 4}};
+        auto l1  = p.add_parameter("1", m1_shape);
+        auto l2  = p.add_parameter("2", m2_shape);
+        auto tl2 = p.add_instruction(migraphx::op::transpose{{1, 0, 2}}, l2);
+
+        float alpha = 1.0f;
+        float beta  = 1.0f;
+        p.add_instruction(migraphx::op::dot{alpha, beta}, l1, tl2);
+
+        return p;
+    }
+};
+
 struct quant_dot_3args_1 : verify_program<quant_dot_3args_1>
 {
     migraphx::program create_program() const