diff --git a/examples/python/tensorflow/dot.cpp b/examples/python/tensorflow/dot.cpp
index 36a9bacfb..8ff9dc854 100644
--- a/examples/python/tensorflow/dot.cpp
+++ b/examples/python/tensorflow/dot.cpp
@@ -69,14 +69,14 @@ class BlockSparseGemmOp : public OpKernel {
                         [&](){ stream->synchronize(); }, ctx->device());
       return  2.*M*N*K / ts * 1e-3;
     };
-    std::string src = triton::dnn::gemm::src(false, false, "fp16", "fp16", 1, 1);
+    std::string src = triton::dnn::gemm::src(false, true, "fp16", "fp16", 1, 1);
 //     just-in-time compile source-code
-//    jit.autotune("matmul", src.c_str(), benchmark);
+    jit.autotune("matmul", src.c_str(), benchmark);
 //    jit.add_module("matmul", src.c_str(), {4, 2, 8, 4, 2, 32, 1, 4, 1, 1, 8, 8, 8, 1});
 //    jit.add_module("matmul", src.c_str(), {16, 4, 128, 16, 4, 128, 2, 2, 2, 2, 8, 32, 8, 1});
 //    jit.add_module("matmul", src.c_str(), {8, 8, 128, 16, 8, 128, 2, 2, 2, 2, 16, 32, 8, 1 });
 //    jit.add_module("matmul", src.c_str(), {16, 4, 128, 16, 4, 128, 2, 2, 2, 2, 8, 16, 8, 1});
-//    jit.add_module("matmul", src.c_str(), {16, 2, 128, 32, 32, 2, 2, 2, 2, 8, 8, 4, 2, 1}); //NN
+    jit.add_module("matmul", src.c_str(), {16, 2, 128, 32, 32, 2, 2, 2, 2, 8, 8, 4, 2, 1}); //NN
     triton::driver::kernel* kernel = jit.get_function("matmul");
     triton::jit::launch_information info = jit.get_launch_info("matmul");
     std::cout << benchmark(kernel, info) << std::endl;;
diff --git a/lib/codegen/tune.cpp b/lib/codegen/tune.cpp
index db6d67702..e1d62f4cd 100644
--- a/lib/codegen/tune.cpp
+++ b/lib/codegen/tune.cpp
@@ -166,7 +166,7 @@ std::vector<ir::metaparameter *> tune::get_params(ir::module &mod) {
   for(ir::instruction *i : block->get_inst_list())
   for(auto &x: params_[i])
     if(seen.insert(x.second).second && !x.second->has_value()){
-      std::cout << i->get_name() << " " << x.first << std::endl;
+//      std::cout << i->get_name() << " " << x.first << std::endl;
       result.push_back(x.second);
     }
 
@@ -233,13 +233,13 @@ void tune::run(ir::module &mod) {
       continue;
     if(dynamic_cast<ir::load_inst*>(i) && i->get_type()->is_tile_ty()){
       ir::type *ty = mod.get_builder().get_int32_ty();
-      std::unique_ptr<ir::metaparameter> tmp(ir::metaparameter::create(ctx, ty, 4, 4));
+      std::unique_ptr<ir::metaparameter> tmp(ir::metaparameter::create(ctx, ty, 2, 4));
       *params_.at(i).at("nts.d0") = *tmp;
     }
     if(dynamic_cast<ir::dot_inst*>(i) && i->get_type()->is_tile_ty()){
       ir::type *ty = mod.get_builder().get_int32_ty();
-      std::unique_ptr<ir::metaparameter> tmp1(ir::metaparameter::create(ctx, ty, 4, 4));
-      std::unique_ptr<ir::metaparameter> tmp2(ir::metaparameter::create(ctx, ty, 4, 4));
+      std::unique_ptr<ir::metaparameter> tmp1(ir::metaparameter::create(ctx, ty, 2, 4));
+      std::unique_ptr<ir::metaparameter> tmp2(ir::metaparameter::create(ctx, ty, 2, 4));
       *params_.at(i).at("nts.d0") = *tmp1;
       *params_.at(i).at("nts.d1") = *tmp2;
     }