Remove old fusion

src/targets/gpu/prefuse_ops.cpp

@@ -99,70 +99,11 @@ struct find_add_layernorm
         m.replace_instruction(ins, add_layernorm{}, add_ins->inputs());
     }
 };
-
-struct find_gpulayernorm
-{
-    auto matcher() const { return match::layernorm(); }
-
-    void apply(module& m, const match::matcher_result& r) const
-    {
-        auto ins   = r.result;
-        auto x_ins = r.instructions["x"];
-
-        if(not x_ins->get_shape().standard())
-            x_ins = m.insert_instruction(ins, make_op("contiguous"), x_ins);
-
-        auto relements = x_ins->get_shape().lens().back();
-
-        if(relements > 1024 or (relements % 4 != 0 and relements > 256))
-            return;
-
-        auto a = m.insert_instruction(
-            ins, make_op("hip::allocate", {{"shape", to_value(x_ins->get_shape())}}));
-        m.replace_instruction(ins, make_op("gpu::layernorm"), x_ins, a);
-    }
-};
-
-struct find_gputriaddlayernorm
-{
-    auto matcher() const
-    {
-        auto add1 =
-            match::name("add")(match::none_of(match::is_constant()),
-                               match::args(match::any().bind("z1"), match::any().bind("z2")));
-        auto add2 = match::name("add")(match::either_arg(0, 1)(add1, match::any().bind("z3")));
-        return match::layernorm()(match::var("x")(add2));
-    }
-
-    void apply(module& m, const match::matcher_result& r) const
-    {
-        auto ins   = r.result;
-        auto x_ins = r.instructions["z1"];
-        auto y_ins = r.instructions["z2"];
-        auto z_ins = r.instructions["z3"];
-
-        for(auto* pins : {&x_ins, &y_ins, &z_ins})
-        {
-            if(not(*pins)->get_shape().standard())
-                *pins = m.insert_instruction(ins, make_op("contiguous"), *pins);
-        }
-
-        auto relements = x_ins->get_shape().lens().back();
-
-        if(relements > 1024 or (relements % 4 != 0 and relements > 256))
-            return;
-
-        auto a = m.insert_instruction(
-            ins, make_op("hip::allocate", {{"shape", to_value(x_ins->get_shape())}}));
-        m.replace_instruction(ins, make_op("gpu::triadd_layernorm"), x_ins, y_ins, z_ins, a);
-    }
-};
 } // namespace
 
 void prefuse_ops::apply(module& m) const
 {
     match::find_matches(m, find_add_layernorm{}, find_layernorm{});
-    // match::find_matches(m, find_gputriaddlayernorm{}, find_gpulayernorm{});
 }
 
 } // namespace gpu