diff options
| -rw-r--r-- | src/gpgpu-sim/gpu-sim.cc | 2 | ||||
| -rw-r--r-- | src/gpgpu-sim/gpu-sim.h | 3 | ||||
| -rw-r--r-- | src/gpgpu-sim/l2cache.cc | 20 | ||||
| -rw-r--r-- | src/gpgpu-sim/l2cache.h | 8 | ||||
| -rw-r--r-- | src/gpgpusim_entrypoint.cc | 1 |
5 files changed, 27 insertions, 7 deletions
diff --git a/src/gpgpu-sim/gpu-sim.cc b/src/gpgpu-sim/gpu-sim.cc index 121e079..9a28b55 100644 --- a/src/gpgpu-sim/gpu-sim.cc +++ b/src/gpgpu-sim/gpu-sim.cc @@ -668,7 +668,7 @@ gpgpu_sim::gpgpu_sim( const gpgpu_sim_config &config ) m_memory_partition_unit = new memory_partition_unit*[m_memory_config->m_n_mem]; m_memory_sub_partition = new memory_sub_partition*[m_memory_config->m_n_mem_sub_partition]; for (unsigned i=0;i<m_memory_config->m_n_mem;i++) { - m_memory_partition_unit[i] = new memory_partition_unit(i, m_memory_config, m_memory_stats); + m_memory_partition_unit[i] = new memory_partition_unit(i, m_memory_config, m_memory_stats, this); for (unsigned p = 0; p < m_memory_config->m_n_sub_partition_per_memory_channel; p++) { unsigned submpid = i * m_memory_config->m_n_sub_partition_per_memory_channel + p; m_memory_sub_partition[submpid] = m_memory_partition_unit[i]->get_sub_partition(p); diff --git a/src/gpgpu-sim/gpu-sim.h b/src/gpgpu-sim/gpu-sim.h index 1778008..f9b5dad 100644 --- a/src/gpgpu-sim/gpu-sim.h +++ b/src/gpgpu-sim/gpu-sim.h @@ -36,6 +36,7 @@ #include <iostream> #include <fstream> #include <list> +#include <unordered_set> #include <stdio.h> @@ -428,6 +429,8 @@ public: void perf_memcpy_to_gpu( size_t dst_start_addr, size_t count ); + std::unordered_set<unsigned long long> data_footprint_stats; + //The next three functions added to be used by the functional simulation function //! Get shader core configuration diff --git a/src/gpgpu-sim/l2cache.cc b/src/gpgpu-sim/l2cache.cc index b1465a8..a4aaf28 100644 --- a/src/gpgpu-sim/l2cache.cc +++ b/src/gpgpu-sim/l2cache.cc @@ -62,15 +62,16 @@ mem_fetch * partition_mf_allocator::alloc(new_addr_type addr, mem_access_type ty memory_partition_unit::memory_partition_unit( unsigned partition_id, const struct memory_config *config, - class memory_stats_t *stats ) -: m_id(partition_id), m_config(config), m_stats(stats), m_arbitration_metadata(config) + class memory_stats_t *stats, + class gpgpu_sim *gpu) +: m_id(partition_id), m_config(config), m_stats(stats), m_arbitration_metadata(config), m_gpu(gpu) { m_dram = new dram_t(m_id,m_config,m_stats,this); m_sub_partition = new memory_sub_partition*[m_config->m_n_sub_partition_per_memory_channel]; for (unsigned p = 0; p < m_config->m_n_sub_partition_per_memory_channel; p++) { unsigned sub_partition_id = m_id * m_config->m_n_sub_partition_per_memory_channel + p; - m_sub_partition[p] = new memory_sub_partition(sub_partition_id, m_config, stats); + m_sub_partition[p] = new memory_sub_partition(sub_partition_id, m_config, stats, m_gpu); } } @@ -310,11 +311,13 @@ void memory_partition_unit::print( FILE *fp ) const memory_sub_partition::memory_sub_partition( unsigned sub_partition_id, const struct memory_config *config, - class memory_stats_t *stats ) + class memory_stats_t *stats , + class gpgpu_sim *gpu) { m_id = sub_partition_id; m_config=config; m_stats=stats; + m_gpu=gpu; m_memcpy_cycle_offset = 0; assert(m_id < m_config->m_n_mem_sub_partition); @@ -410,6 +413,15 @@ void memory_sub_partition::cache_cycle( unsigned cycle ) bool read_sent = was_read_sent(events); MEM_SUBPART_DPRINTF("Probing L2 cache Address=%llx, status=%u\n", mf->get_addr(), status); + if ( (mf->get_access_type() == GLOBAL_ACC_R) || + (mf->get_access_type() == GLOBAL_ACC_W) || + (mf->get_access_type() == LOCAL_ACC_R) || + (mf->get_access_type() == LOCAL_ACC_W) || + (mf->get_access_type() == CONST_ACC_R) ) { + if (!m_gpu->data_footprint_stats.count(mf->get_addr())) + m_gpu->data_footprint_stats.insert(mf->get_addr()); + } + if ( status == HIT ) { if( !write_sent ) { // L2 cache replies diff --git a/src/gpgpu-sim/l2cache.h b/src/gpgpu-sim/l2cache.h index 2d13918..6aa7505 100644 --- a/src/gpgpu-sim/l2cache.h +++ b/src/gpgpu-sim/l2cache.h @@ -58,7 +58,7 @@ private: class memory_partition_unit { public: - memory_partition_unit( unsigned partition_id, const struct memory_config *config, class memory_stats_t *stats ); + memory_partition_unit( unsigned partition_id, const struct memory_config *config, class memory_stats_t *stats , class gpgpu_sim *gpu); ~memory_partition_unit(); bool busy() const; @@ -93,6 +93,8 @@ public: unsigned get_mpid() const { return m_id; } + gpgpu_sim *m_gpu; + private: unsigned m_id; @@ -145,7 +147,7 @@ private: class memory_sub_partition { public: - memory_sub_partition( unsigned sub_partition_id, const struct memory_config *config, class memory_stats_t *stats ); + memory_sub_partition( unsigned sub_partition_id, const struct memory_config *config, class memory_stats_t *stats, class gpgpu_sim *gpu); ~memory_sub_partition(); unsigned get_id() const { return m_id; } @@ -185,6 +187,8 @@ public: m_memcpy_cycle_offset += 1; } + gpgpu_sim *m_gpu; + private: // data unsigned m_id; //< the global sub partition ID diff --git a/src/gpgpusim_entrypoint.cc b/src/gpgpusim_entrypoint.cc index ad4587a..1ee980a 100644 --- a/src/gpgpusim_entrypoint.cc +++ b/src/gpgpusim_entrypoint.cc @@ -263,6 +263,7 @@ void print_simulation_time() s = difference - 60*(m + 60*(h + 24*d)); fflush(stderr); + printf("gpgpu_data_footprint = %u requests at L2\n", g_the_gpu->data_footprint_stats.size()); printf("\n\ngpgpu_simulation_time = %u days, %u hrs, %u min, %u sec (%u sec)\n", (unsigned)d, (unsigned)h, (unsigned)m, (unsigned)s, (unsigned)difference ); printf("gpgpu_simulation_rate = %u (inst/sec)\n", (unsigned)(g_the_gpu->gpu_tot_sim_insn / difference) ); |