diff options
| author | Akshay Jain <[email protected]> | 2018-03-22 04:40:44 -0400 |
|---|---|---|
| committer | Akshay Jain <[email protected]> | 2018-03-22 04:40:44 -0400 |
| commit | 525f177a1d4f1fc309d22197bc8af26ee8d4c454 (patch) | |
| tree | 306f7f63d8d3bee9b4a0aab738dff1d274d898f3 /src/gpgpu-sim/shader.cc | |
| parent | 0241bdee08d2bdf95b7f6f9518403c22f8f0bc53 (diff) | |
Change 283 by jain156@akshayj-lt1 on 2017/07/03 19:52:55
Adding the global load and store divergence statistics.
The previous histogram has been modified to look at all memory requests, but that is not meaningful - so it can as well be removed.
Diffstat (limited to 'src/gpgpu-sim/shader.cc')
| -rw-r--r-- | src/gpgpu-sim/shader.cc | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/gpgpu-sim/shader.cc b/src/gpgpu-sim/shader.cc index e7204c8..db6a532 100644 --- a/src/gpgpu-sim/shader.cc +++ b/src/gpgpu-sim/shader.cc @@ -441,6 +441,12 @@ void shader_core_stats::print( FILE* fout ) const fprintf(fout,"gpgpu_mem_divergence_hist "); gpgpu_mem_divergence_hist->fprint(fout); fprintf(fout,"\n"); + fprintf(fout,"gpgpu_gmem_ld_divergence_hist "); + gpgpu_gmem_ld_divergence_hist->fprint(fout); + fprintf(fout,"\n"); + fprintf(fout,"gpgpu_gmem_st_divergence_hist "); + gpgpu_gmem_st_divergence_hist->fprint(fout); + fprintf(fout,"\n"); fprintf(fout, "gpgpu_n_load_insn = %d\n", gpgpu_n_load_insn); fprintf(fout, "gpgpu_n_store_insn = %d\n", gpgpu_n_store_insn); @@ -746,12 +752,17 @@ void shader_core_ctx::func_exec_inst( warp_inst_t &inst ) { unsigned starting_queue_size; execute_warp_inst_t(inst); - if( inst.is_load() || inst.is_store() ) + if( inst.is_load() || inst.is_store() ) { starting_queue_size = inst.accessq_count(); inst.generate_mem_accesses(); if ( inst.space.get_type() == global_space ) { - m_stats->gpgpu_mem_divergence_hist->add2bin(inst.accessq_count() - starting_queue_size); + if (inst.is_load()) + m_stats->gpgpu_gmem_ld_divergence_hist->add2bin(inst.accessq_count() - starting_queue_size); + else if (inst.is_store()) + m_stats->gpgpu_gmem_st_divergence_hist->add2bin(inst.accessq_count() - starting_queue_size); } + m_stats->gpgpu_mem_divergence_hist->add2bin(inst.accessq_count() - starting_queue_size); + } } void shader_core_ctx::issue_warp( register_set& pipe_reg_set, const warp_inst_t* next_inst, const active_mask_t &active_mask, unsigned warp_id ) |