diff options
Diffstat (limited to 'src/gpgpu-sim/gpu-sim.cc')
| -rw-r--r-- | src/gpgpu-sim/gpu-sim.cc | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/gpgpu-sim/gpu-sim.cc b/src/gpgpu-sim/gpu-sim.cc index d085805..006d243 100644 --- a/src/gpgpu-sim/gpu-sim.cc +++ b/src/gpgpu-sim/gpu-sim.cc @@ -87,6 +87,14 @@ unsigned long long gpu_tot_sim_cycle = 0; // performance counter for stalls due to congestion. unsigned int gpu_stall_dramfull = 0; unsigned int gpu_stall_icnt2sh = 0; +unsigned long long partiton_reqs_in_parallel = 0; +unsigned long long partiton_reqs_in_parallel_total = 0; +unsigned long long partiton_reqs_in_parallel_util = 0; +unsigned long long partiton_reqs_in_parallel_util_total = 0; +unsigned long long gpu_sim_cycle_parition_util = 0; +unsigned long long gpu_tot_sim_cycle_parition_util = 0; +unsigned long long partiton_replys_in_parallel = 0; +unsigned long long partiton_replys_in_parallel_total = 0; /* Clock Domains */ @@ -786,6 +794,10 @@ void gpgpu_sim::init() gpu_sim_insn = 0; last_gpu_sim_insn = 0; m_total_cta_launched=0; + partiton_reqs_in_parallel = 0; + partiton_replys_in_parallel = 0; + partiton_reqs_in_parallel_util = 0; + gpu_sim_cycle_parition_util = 0; reinit_clock_domains(); set_param_gpgpu_num_shaders(m_config.num_shader()); @@ -822,8 +834,17 @@ void gpgpu_sim::update_stats() { gpu_tot_sim_cycle += gpu_sim_cycle; gpu_tot_sim_insn += gpu_sim_insn; gpu_tot_issued_cta += m_total_cta_launched; + partiton_reqs_in_parallel_total += partiton_reqs_in_parallel; + partiton_replys_in_parallel_total += partiton_replys_in_parallel; + partiton_reqs_in_parallel_util_total += partiton_reqs_in_parallel_util; + gpu_tot_sim_cycle_parition_util += gpu_sim_cycle_parition_util ; gpu_sim_cycle = 0; + partiton_reqs_in_parallel = 0; + partiton_replys_in_parallel = 0; + partiton_reqs_in_parallel_util = 0; + gpu_sim_cycle_parition_util = 0; + gpu_tot_sim_cycle = 0; gpu_sim_insn = 0; m_total_cta_launched = 0; } @@ -1007,6 +1028,21 @@ void gpgpu_sim::gpu_print_stat() printf("gpu_stall_dramfull = %d\n", gpu_stall_dramfull); printf("gpu_stall_icnt2sh = %d\n", gpu_stall_icnt2sh ); + printf("partiton_reqs_in_parallel = %lld\n", partiton_reqs_in_parallel); + printf("partiton_reqs_in_parallel_total = %lld\n", partiton_reqs_in_parallel_total ); + printf("partiton_level_parallism = %12.4f\n", (float)partiton_reqs_in_parallel / gpu_sim_cycle); + printf("partiton_level_parallism_total = %12.4f\n", (float)(partiton_reqs_in_parallel+partiton_reqs_in_parallel_total) / (gpu_tot_sim_cycle+gpu_sim_cycle) ); + printf("partiton_reqs_in_parallel_util = %lld\n", partiton_reqs_in_parallel_util); + printf("partiton_reqs_in_parallel_util_total = %lld\n", partiton_reqs_in_parallel_util_total ); + printf("gpu_sim_cycle_parition_util = %lld\n", gpu_sim_cycle_parition_util); + printf("gpu_tot_sim_cycle_parition_util = %lld\n", gpu_tot_sim_cycle_parition_util ); + printf("partiton_level_parallism_util = %12.4f\n", (float)partiton_reqs_in_parallel_util / gpu_sim_cycle_parition_util); + printf("partiton_level_parallism_util_total = %12.4f\n", (float)(partiton_reqs_in_parallel_util+partiton_reqs_in_parallel_util_total) / (gpu_sim_cycle_parition_util+gpu_tot_sim_cycle_parition_util) ); + printf("partiton_replys_in_parallel = %lld\n", partiton_replys_in_parallel); + printf("partiton_replys_in_parallel_total = %lld\n", partiton_replys_in_parallel_total ); + printf("L2_BW = %12.4f GB/Sec\n", ((float)(partiton_replys_in_parallel * 32) / (gpu_sim_cycle * m_config.icnt_period)) / 1000000000); + printf("L2_BW_total = %12.4f GB/Sec\n", ((float)((partiton_replys_in_parallel+partiton_replys_in_parallel_total) * 32) / ((gpu_tot_sim_cycle+gpu_sim_cycle) * m_config.icnt_period)) / 1000000000 ); + time_t curr_time; time(&curr_time); unsigned long long elapsed_time = MAX( curr_time - g_simulation_starttime, 1 ); @@ -1412,6 +1448,7 @@ void gpgpu_sim::cycle() for (unsigned i=0;i<m_shader_config->n_simt_clusters;i++) m_cluster[i]->icnt_cycle(); } + unsigned partiton_replys_in_parallel_per_cycle = 0; if (clock_mask & ICNT) { // pop from memory controller to interconnect for (unsigned i=0;i<m_memory_config->m_n_mem_sub_partition;i++) { @@ -1424,6 +1461,7 @@ void gpgpu_sim::cycle() mf->set_status(IN_ICNT_TO_SHADER,gpu_sim_cycle+gpu_tot_sim_cycle); ::icnt_push( m_shader_config->mem2device(i), mf->get_tpc(), mf, response_size ); m_memory_sub_partition[i]->pop(); + partiton_replys_in_parallel_per_cycle++; } else { gpu_stall_icnt2sh++; } @@ -1432,6 +1470,7 @@ void gpgpu_sim::cycle() } } } + partiton_replys_in_parallel += partiton_replys_in_parallel_per_cycle; if (clock_mask & DRAM) { for (unsigned i=0;i<m_memory_config->m_n_mem;i++){ @@ -1444,6 +1483,7 @@ void gpgpu_sim::cycle() } // L2 operations follow L2 clock domain + unsigned partiton_reqs_in_parallel_per_cycle = 0; if (clock_mask & L2) { m_power_stats->pwr_mem_stat->l2_cache_stats[CURRENT_STAT_IDX].clear(); for (unsigned i=0;i<m_memory_config->m_n_mem_sub_partition;i++) { @@ -1455,11 +1495,17 @@ void gpgpu_sim::cycle() } else { mem_fetch* mf = (mem_fetch*) icnt_pop( m_shader_config->mem2device(i) ); m_memory_sub_partition[i]->push( mf, gpu_sim_cycle + gpu_tot_sim_cycle ); + partiton_reqs_in_parallel_per_cycle++; } m_memory_sub_partition[i]->cache_cycle(gpu_sim_cycle+gpu_tot_sim_cycle); m_memory_sub_partition[i]->accumulate_L2cache_stats(m_power_stats->pwr_mem_stat->l2_cache_stats[CURRENT_STAT_IDX]); } } + partiton_reqs_in_parallel += partiton_reqs_in_parallel_per_cycle; + if(partiton_reqs_in_parallel_per_cycle > 0){ + partiton_reqs_in_parallel_util += partiton_reqs_in_parallel_per_cycle; + gpu_sim_cycle_parition_util++; + } if (clock_mask & ICNT) { icnt_transfer(); |