diff options
Diffstat (limited to 'src/stream_manager.cc')
| -rw-r--r-- | src/stream_manager.cc | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/src/stream_manager.cc b/src/stream_manager.cc index 3459c6d..3b6cbd5 100644 --- a/src/stream_manager.cc +++ b/src/stream_manager.cc @@ -160,20 +160,31 @@ bool stream_operation::do_operation( gpgpu_sim *gpu ) m_stream->record_next_done(); break; case stream_kernel_launch: - if( gpu->can_start_kernel() ) { - gpu->set_cache_config(m_kernel->name()); - if(g_debug_execution >= 3) - printf("kernel %d: \'%s\' transfer to GPU hardware scheduler\n", m_kernel->get_uid(), m_kernel->name().c_str() ); - m_kernel->print_parent_info(); - if( m_sim_mode ) - gpu->functional_launch( m_kernel ); - else - gpu->launch( m_kernel ); + if( m_sim_mode ) { //Functional Sim + if(g_debug_execution >= 3) { + printf("kernel %d: \'%s\' transfer to GPU hardware scheduler\n", m_kernel->get_uid(), m_kernel->name().c_str() ); + m_kernel->print_parent_info(); + } + gpu->set_cache_config(m_kernel->name()); + gpu->functional_launch( m_kernel ); } - else { - if(g_debug_execution >= 3) - printf("kernel %d: \'%s\' not ready to transfer to GPU hardware scheduler\n", m_kernel->get_uid(), m_kernel->name().c_str() ); - return false; + else { //Performance Sim + if( gpu->can_start_kernel() && m_kernel->m_launch_latency == 0) { + if(g_debug_execution >= 3) { + printf("kernel %d: \'%s\' transfer to GPU hardware scheduler\n", m_kernel->get_uid(), m_kernel->name().c_str() ); + m_kernel->print_parent_info(); + } + gpu->set_cache_config(m_kernel->name()); + gpu->launch( m_kernel ); + } + else { + if(m_kernel->m_launch_latency) + m_kernel->m_launch_latency--; + if(g_debug_execution >= 3) + printf("kernel %d: \'%s\', latency %u not ready to transfer to GPU hardware scheduler\n", + m_kernel->get_uid(), m_kernel->name().c_str(), m_kernel->m_launch_latency); + return false; + } } break; case stream_event: { @@ -255,7 +266,7 @@ bool stream_manager::register_finished_kernel(unsigned grid_uid) //Jin: should check children kernels for CDP if(kernel->is_finished()) { // std::ofstream kernel_stat("kernel_stat.txt", std::ofstream::out | std::ofstream::app); -// kernel_stat<< " kernel " << grid_uid; +// kernel_stat<< " kernel " << grid_uid << ": " << kernel->name(); // if(kernel->get_parent()) // kernel_stat << ", parent " << kernel->get_parent()->get_uid() << // ", launch " << kernel->launch_cycle; |