diff options
Diffstat (limited to 'src/gpgpu-sim/l2cache.cc')
| -rw-r--r-- | src/gpgpu-sim/l2cache.cc | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/gpgpu-sim/l2cache.cc b/src/gpgpu-sim/l2cache.cc index c589e6c..2bfc7e9 100644 --- a/src/gpgpu-sim/l2cache.cc +++ b/src/gpgpu-sim/l2cache.cc @@ -353,9 +353,11 @@ void memory_sub_partition::cache_cycle( unsigned cycle ) if ( !m_dram_L2_queue->empty() ) { mem_fetch *mf = m_dram_L2_queue->top(); if ( !m_config->m_L2_config.disabled() && m_L2cache->waiting_for_fill(mf) ) { - mf->set_status(IN_PARTITION_L2_FILL_QUEUE,gpu_sim_cycle+gpu_tot_sim_cycle); - m_L2cache->fill(mf,gpu_sim_cycle+gpu_tot_sim_cycle); - m_dram_L2_queue->pop(); + if (m_L2cache->fill_port_free()) { + mf->set_status(IN_PARTITION_L2_FILL_QUEUE,gpu_sim_cycle+gpu_tot_sim_cycle); + m_L2cache->fill(mf,gpu_sim_cycle+gpu_tot_sim_cycle); + m_dram_L2_queue->pop(); + } } else if ( !m_L2_icnt_queue->full() ) { mf->set_status(IN_PARTITION_L2_TO_ICNT_QUEUE,gpu_sim_cycle+gpu_tot_sim_cycle); m_L2_icnt_queue->push(mf); @@ -374,7 +376,9 @@ void memory_sub_partition::cache_cycle( unsigned cycle ) ( (m_config->m_L2_texure_only && mf->istexture()) || (!m_config->m_L2_texure_only) ) ) { // L2 is enabled and access is for L2 - if ( !m_L2_icnt_queue->full() ) { + bool output_full = m_L2_icnt_queue->full(); + bool port_free = m_L2cache->data_port_free(); + if ( !output_full && port_free ) { std::list<cache_event> events; enum cache_request_status status = m_L2cache->access(mf->get_addr(),mf,gpu_sim_cycle+gpu_tot_sim_cycle,events); bool write_sent = was_write_sent(events); @@ -525,7 +529,9 @@ void gpgpu_sim::print_dram_stats(FILE *fout) const unsigned memory_sub_partition::flushL2() { - m_L2cache->flush(); + if (!m_config->m_L2_config.disabled()) { + m_L2cache->flush(); + } return 0; // L2 is read only in this version } @@ -583,11 +589,15 @@ void memory_sub_partition::set_done( mem_fetch *mf ) } void memory_sub_partition::accumulate_L2cache_stats(class cache_stats &l2_stats) const { - l2_stats += m_L2cache->get_stats(); + if (!m_config->m_L2_config.disabled()) { + l2_stats += m_L2cache->get_stats(); + } } void memory_sub_partition::get_L2cache_sub_stats(struct cache_sub_stats &css) const{ - m_L2cache->get_sub_stats(css); + if (!m_config->m_L2_config.disabled()) { + m_L2cache->get_sub_stats(css); + } } void memory_sub_partition::visualizer_print( gzFile visualizer_file ) |