From da0c8dff3b4e89acaf2f2dd31bf8940ab4a1e71c Mon Sep 17 00:00:00 2001 From: Mahmoud Date: Mon, 26 Aug 2019 12:23:43 -0400 Subject: missing some files to add --- src/gpgpu-sim/local_interconnect.h | 30 +++++++++++++++++++++--------- 1 file changed, 21 insertions(+), 9 deletions(-) (limited to 'src/gpgpu-sim/local_interconnect.h') diff --git a/src/gpgpu-sim/local_interconnect.h b/src/gpgpu-sim/local_interconnect.h index f4a2af1..a784da8 100644 --- a/src/gpgpu-sim/local_interconnect.h +++ b/src/gpgpu-sim/local_interconnect.h @@ -35,27 +35,35 @@ using namespace std; +enum Interconnect_type { + REQ_NET=0, + REPLY_NET=1 +}; + +enum Arbiteration_type { + NAIVE_RR=0, + iSLIP=1 +}; + struct inct_config { - //config for local interconnect unsigned in_buffer_limit; unsigned out_buffer_limit; unsigned subnets; + Arbiteration_type arbiter_algo; }; -enum Interconnect_type { - REQ_NET=0, - REPLY_NET=1 -}; class xbar_router { public: - xbar_router(unsigned router_id, enum Interconnect_type m_type, unsigned n_shader, unsigned n_mem, unsigned m_in_buffer_limit, unsigned m_out_buffer_limit); + xbar_router(unsigned router_id, enum Interconnect_type m_type, unsigned n_shader, unsigned n_mem, unsigned m_in_buffer_limit, unsigned m_out_buffer_limit, enum Arbiteration_type m_arbit_type); ~xbar_router(); void Push(unsigned input_deviceID, unsigned output_deviceID, void* data, unsigned int size); void* Pop(unsigned ouput_deviceID); - void Advance(); + void Advance( ); + + bool Busy() const; bool Has_Buffer_In(unsigned input_deviceID, unsigned size, bool update_counter=false); bool Has_Buffer_Out(unsigned output_deviceID, unsigned size); @@ -70,6 +78,9 @@ public: unsigned long long packets_num; private: + void iSLIP_Advance(); + void RR_Advance(); + struct Packet{ Packet(void* m_data, unsigned m_output_deviceID) { data = m_data; @@ -82,11 +93,12 @@ private: vector > out_buffers; unsigned _n_shader, _n_mem, total_nodes; unsigned in_buffer_limit, out_buffer_limit; - vector next_node; -// unsigned next_node; + vector next_node; //used for iSLIP arbit + unsigned next_node_id; //used for RR arbit unsigned m_id; enum Interconnect_type router_type; unsigned active_in_buffers,active_out_buffers; + Arbiteration_type arbit_type; friend class LocalInterconnect; -- cgit v1.3