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Diffstat (limited to 'src/gpgpu-sim/shader.h')
-rw-r--r--src/gpgpu-sim/shader.h77
1 files changed, 71 insertions, 6 deletions
diff --git a/src/gpgpu-sim/shader.h b/src/gpgpu-sim/shader.h
index bdd8dbe..5b41c06 100644
--- a/src/gpgpu-sim/shader.h
+++ b/src/gpgpu-sim/shader.h
@@ -70,6 +70,14 @@
#define WRITE_MASK_SIZE 8
+enum exec_unit_type_t
+{
+ NONE = 0,
+ SP = 1,
+ SFU = 2,
+ MEM = 3,
+ DP = 4
+};
class thread_ctx_t {
public:
@@ -308,6 +316,7 @@ enum concrete_scheduler
CONCRETE_SCHEDULER_GTO,
CONCRETE_SCHEDULER_TWO_LEVEL_ACTIVE,
CONCRETE_SCHEDULER_WARP_LIMITING,
+ CONCRETE_SCHEDULER_OLDEST_FIRST,
NUM_CONCRETE_SCHEDULERS
};
@@ -317,12 +326,13 @@ public:
Scoreboard* scoreboard, simt_stack** simt,
std::vector<shd_warp_t>* warp,
register_set* sp_out,
+ register_set* dp_out,
register_set* sfu_out,
register_set* mem_out,
int id)
: m_supervised_warps(), m_stats(stats), m_shader(shader),
m_scoreboard(scoreboard), m_simt_stack(simt), /*m_pipeline_reg(pipe_regs),*/ m_warp(warp),
- m_sp_out(sp_out),m_sfu_out(sfu_out),m_mem_out(mem_out), m_id(id){}
+ m_sp_out(sp_out),m_dp_out(dp_out),m_sfu_out(sfu_out),m_mem_out(mem_out), m_id(id){}
virtual ~scheduler_unit(){}
virtual void add_supervised_warp_id(int i) {
m_supervised_warps.push_back(&warp(i));
@@ -394,6 +404,7 @@ protected:
//warp_inst_t** m_pipeline_reg;
std::vector<shd_warp_t>* m_warp;
register_set* m_sp_out;
+ register_set* m_dp_out;
register_set* m_sfu_out;
register_set* m_mem_out;
@@ -406,10 +417,11 @@ public:
Scoreboard* scoreboard, simt_stack** simt,
std::vector<shd_warp_t>* warp,
register_set* sp_out,
+ register_set* dp_out,
register_set* sfu_out,
register_set* mem_out,
int id )
- : scheduler_unit ( stats, shader, scoreboard, simt, warp, sp_out, sfu_out, mem_out, id ){}
+ : scheduler_unit ( stats, shader, scoreboard, simt, warp, sp_out, dp_out, sfu_out, mem_out, id ){}
virtual ~lrr_scheduler () {}
virtual void order_warps ();
virtual void done_adding_supervised_warps() {
@@ -423,10 +435,11 @@ public:
Scoreboard* scoreboard, simt_stack** simt,
std::vector<shd_warp_t>* warp,
register_set* sp_out,
+ register_set* dp_out,
register_set* sfu_out,
register_set* mem_out,
int id )
- : scheduler_unit ( stats, shader, scoreboard, simt, warp, sp_out, sfu_out, mem_out, id ){}
+ : scheduler_unit ( stats, shader, scoreboard, simt, warp, sp_out, dp_out, sfu_out, mem_out, id ){}
virtual ~gto_scheduler () {}
virtual void order_warps ();
virtual void done_adding_supervised_warps() {
@@ -435,6 +448,24 @@ public:
};
+class oldest_scheduler : public scheduler_unit {
+public:
+ oldest_scheduler ( shader_core_stats* stats, shader_core_ctx* shader,
+ Scoreboard* scoreboard, simt_stack** simt,
+ std::vector<shd_warp_t>* warp,
+ register_set* sp_out,
+ register_set* dp_out,
+ register_set* sfu_out,
+ register_set* mem_out,
+ int id )
+ : scheduler_unit ( stats, shader, scoreboard, simt, warp, sp_out, dp_out, sfu_out, mem_out, id ){}
+ virtual ~oldest_scheduler () {}
+ virtual void order_warps ();
+ virtual void done_adding_supervised_warps() {
+ m_last_supervised_issued = m_supervised_warps.begin();
+ }
+
+};
class two_level_active_scheduler : public scheduler_unit {
public:
@@ -442,11 +473,12 @@ public:
Scoreboard* scoreboard, simt_stack** simt,
std::vector<shd_warp_t>* warp,
register_set* sp_out,
+ register_set* dp_out,
register_set* sfu_out,
register_set* mem_out,
int id,
char* config_str )
- : scheduler_unit ( stats, shader, scoreboard, simt, warp, sp_out, sfu_out, mem_out, id ),
+ : scheduler_unit ( stats, shader, scoreboard, simt, warp, sp_out, dp_out, sfu_out, mem_out, id ),
m_pending_warps()
{
unsigned inner_level_readin;
@@ -492,6 +524,7 @@ public:
Scoreboard* scoreboard, simt_stack** simt,
std::vector<shd_warp_t>* warp,
register_set* sp_out,
+ register_set* dp_out,
register_set* sfu_out,
register_set* mem_out,
int id,
@@ -1054,6 +1087,23 @@ public:
switch(inst.op) {
case SFU_OP: break;
case ALU_SFU_OP: break;
+ case DP_OP: break; //for compute <= 29 (i..e Fermi and GT200)
+ default: return false;
+ }
+ return pipelined_simd_unit::can_issue(inst);
+ }
+ virtual void active_lanes_in_pipeline();
+ virtual void issue( register_set& source_reg );
+};
+
+class dp_unit : public pipelined_simd_unit
+{
+public:
+ dp_unit( register_set* result_port, const shader_core_config *config, shader_core_ctx *core );
+ virtual bool can_issue( const warp_inst_t &inst ) const
+ {
+ switch(inst.op) {
+ case DP_OP: break;
default: return false;
}
return pipelined_simd_unit::can_issue(inst);
@@ -1073,6 +1123,7 @@ public:
case LOAD_OP: return false;
case STORE_OP: return false;
case MEMORY_BARRIER_OP: return false;
+ case DP_OP: return false;
default: break;
}
return pipelined_simd_unit::can_issue(inst);
@@ -1200,9 +1251,11 @@ protected:
enum pipeline_stage_name_t {
ID_OC_SP=0,
+ ID_OC_DP,
ID_OC_SFU,
ID_OC_MEM,
OC_EX_SP,
+ OC_EX_DP,
OC_EX_SFU,
OC_EX_MEM,
EX_WB,
@@ -1211,9 +1264,11 @@ enum pipeline_stage_name_t {
const char* const pipeline_stage_name_decode[] = {
"ID_OC_SP",
+ "ID_OC_DP",
"ID_OC_SFU",
"ID_OC_MEM",
"OC_EX_SP",
+ "OC_EX_DP",
"OC_EX_SFU",
"OC_EX_MEM",
"EX_WB",
@@ -1294,30 +1349,33 @@ struct shader_core_config : public core_config
mutable cache_config m_L1C_config;
mutable l1d_cache_config m_L1D_config;
- bool gmem_skip_L1D; // on = global memory access always skip the L1 cache
-
bool gpgpu_dwf_reg_bankconflict;
int gpgpu_num_sched_per_core;
int gpgpu_max_insn_issue_per_warp;
+ bool gpgpu_dual_issue_diff_exec_units;
//op collector
int gpgpu_operand_collector_num_units_sp;
+ int gpgpu_operand_collector_num_units_dp;
int gpgpu_operand_collector_num_units_sfu;
int gpgpu_operand_collector_num_units_mem;
int gpgpu_operand_collector_num_units_gen;
unsigned int gpgpu_operand_collector_num_in_ports_sp;
+ unsigned int gpgpu_operand_collector_num_in_ports_dp;
unsigned int gpgpu_operand_collector_num_in_ports_sfu;
unsigned int gpgpu_operand_collector_num_in_ports_mem;
unsigned int gpgpu_operand_collector_num_in_ports_gen;
unsigned int gpgpu_operand_collector_num_out_ports_sp;
+ unsigned int gpgpu_operand_collector_num_out_ports_dp;
unsigned int gpgpu_operand_collector_num_out_ports_sfu;
unsigned int gpgpu_operand_collector_num_out_ports_mem;
unsigned int gpgpu_operand_collector_num_out_ports_gen;
int gpgpu_num_sp_units;
+ int gpgpu_num_dp_units;
int gpgpu_num_sfu_units;
int gpgpu_num_mem_units;
@@ -1401,6 +1459,8 @@ struct shader_core_stats_pod {
unsigned *last_shader_cycle_distro;
unsigned *num_warps_issuable;
unsigned gpgpu_n_stall_shd_mem;
+ unsigned* single_issue_nums;
+ unsigned* dual_issue_nums;
//memory access classification
int gpgpu_n_mem_read_local;
@@ -1469,6 +1529,8 @@ public:
m_n_diverge = (unsigned*) calloc(config->num_shader(),sizeof(unsigned));
shader_cycle_distro = (unsigned*) calloc(config->warp_size+3, sizeof(unsigned));
last_shader_cycle_distro = (unsigned*) calloc(m_config->warp_size+3, sizeof(unsigned));
+ single_issue_nums = (unsigned*) calloc(config->gpgpu_num_sched_per_core,sizeof(unsigned));
+ dual_issue_nums = (unsigned*) calloc(config->gpgpu_num_sched_per_core, sizeof(unsigned));
n_simt_to_mem = (long *)calloc(config->num_shader(), sizeof(long));
n_mem_to_simt = (long *)calloc(config->num_shader(), sizeof(long));
@@ -1830,6 +1892,9 @@ public:
//schedule
std::vector<scheduler_unit*> schedulers;
+ //issue
+ unsigned int Issue_Prio;
+
// execute
unsigned m_num_function_units;
std::vector<pipeline_stage_name_t> m_dispatch_port;