diff options
Diffstat (limited to 'src/gpgpu-sim/gpu-sim.h')
| -rw-r--r-- | src/gpgpu-sim/gpu-sim.h | 151 |
1 files changed, 101 insertions, 50 deletions
diff --git a/src/gpgpu-sim/gpu-sim.h b/src/gpgpu-sim/gpu-sim.h index 0c1a473..2065f2d 100644 --- a/src/gpgpu-sim/gpu-sim.h +++ b/src/gpgpu-sim/gpu-sim.h @@ -120,6 +120,7 @@ struct memory_config { m_L2_config.init(); m_valid = true; } + void reg_options(class OptionParser * opp); bool m_valid; cache_config m_L2_config; @@ -154,29 +155,105 @@ struct memory_config { linear_to_raw_address_translation m_address_mapping; }; -// global config -extern int gpgpu_mem_address_mask; -extern int gpu_runtime_stat_flag; -extern int gpgpu_cflog_interval; -extern bool g_interactive_debugger_enabled; -extern int g_ptx_inst_debug_to_file; -extern char* g_ptx_inst_debug_file; -extern int g_ptx_inst_debug_thread_uid; - -// global counters +// global counters and flags (please try not to add to this list!!!) extern unsigned long long gpu_sim_cycle; extern unsigned long long gpu_tot_sim_cycle; +extern bool g_interactive_debugger_enabled; + +class gpgpu_sim_config : public gpgpu_functional_sim_config { +public: + gpgpu_sim_config() { m_valid = false; } + void reg_options(class OptionParser * opp); + void init() + { + gpu_stat_sample_freq = 10000; + gpu_runtime_stat_flag = 0; + sscanf(gpgpu_runtime_stat, "%d:%x", &gpu_stat_sample_freq, &gpu_runtime_stat_flag); + m_shader_config.init(); + ptx_set_tex_cache_linesize(m_shader_config.m_L1T_config.get_line_sz()); + m_memory_config.init(); + init_clock_domains(); + + // initialize file name if it is not set + time_t curr_time; + time(&curr_time); + char *date = ctime(&curr_time); + char *s = date; + while (*s) { + if (*s == ' ' || *s == '\t' || *s == ':') *s = '-'; + if (*s == '\n' || *s == '\r' ) *s = 0; + s++; + } + char buf[1024]; + snprintf(buf,1024,"gpgpusim_visualizer__%s.log.gz",date); + g_visualizer_filename = strdup(buf); + + m_valid=true; + } + + void set_max_cta( const kernel_info_t &kernel ) + { + // calcaulte the max cta count and cta size for local memory address mapping + m_shader_config.gpu_max_cta_per_shader = m_shader_config.max_cta(kernel); + //gpu_max_cta_per_shader is limited by number of CTAs if not enough + if( kernel.num_blocks() < m_shader_config.gpu_max_cta_per_shader*num_shader() ) { + m_shader_config.gpu_max_cta_per_shader = (kernel.num_blocks() / num_shader()); + if (kernel.num_blocks() % num_shader()) + m_shader_config.gpu_max_cta_per_shader++; + } + unsigned int gpu_cta_size = kernel.threads_per_cta(); + m_shader_config.gpu_padded_cta_size = (gpu_cta_size%32) ? 32*((gpu_cta_size/32)+1) : gpu_cta_size; + } + unsigned num_shader() const { return m_shader_config.num_shader(); } + +private: + void init_clock_domains(void ); + + bool m_valid; + shader_core_config m_shader_config; + memory_config m_memory_config; + + // clock domains - frequency + double core_freq; + double icnt_freq; + double dram_freq; + double l2_freq; + double core_period; + double icnt_period; + double dram_period; + double l2_period; + + // GPGPU-Sim timing model options + unsigned gpu_max_cycle_opt; + unsigned gpu_max_insn_opt; + unsigned gpu_max_cta_opt; + char *gpgpu_runtime_stat; + bool gpgpu_flush_cache; + bool gpu_deadlock_detect; + int gpgpu_dram_sched_queue_size; + int gpgpu_cflog_interval; + char * gpgpu_clock_domains; + + // visualizer + bool g_visualizer_enabled; + char *g_visualizer_filename; + int g_visualizer_zlevel; + + // statistics collection + int gpu_stat_sample_freq; + int gpu_runtime_stat_flag; + + friend class gpgpu_sim; +}; class gpgpu_sim : public gpgpu_t { public: - gpgpu_sim(); + gpgpu_sim( const gpgpu_sim_config &config ); - void reg_options(class OptionParser * opp); - void init_gpu(); void set_prop( struct cudaDeviceProp *prop ); void launch( kernel_info_t &kinfo ); - void next_grid(); + kernel_info_t *next_grid(); unsigned run_gpu_sim(); @@ -190,29 +267,21 @@ public: const struct cudaDeviceProp *get_prop() const; enum divergence_support_t simd_model() const; - unsigned num_shader() const { return m_shader_config->n_simt_clusters*m_shader_config->n_simt_cores_per_cluster; } unsigned threads_per_core() const; - void mem_instruction_stats( const class warp_inst_t &inst); + const gpgpu_sim_config &get_config() const { return m_config; } void gpu_print_stat() const; void dump_pipeline( int mask, int s, int m ) const; - unsigned get_forced_max_capability() const { return m_ptx_force_max_capability; } - bool convert_to_ptxplus() const { return m_ptx_convert_to_ptxplus; } - bool saved_converted_ptxplus() const { return m_ptx_save_converted_ptxplus; } - private: // clocks - void init_clock_domains(void); void reinit_clock_domains(void); - int next_clock_domain(void); + int next_clock_domain(void); void cycle(); - void L2c_options(class OptionParser *opp); void L2c_print_cache_stat() const; void shader_print_runtime_stat( FILE *fout ); void shader_print_l1_miss_stat( FILE *fout ); - void shader_print_accstats( FILE* fout ) const; void visualizer_printstat(); void print_shader_cycle_distro( FILE *fout ) const; @@ -227,7 +296,8 @@ private: kernel_info_t m_the_kernel; std::list<kernel_info_t> m_running_kernels; - unsigned int more_thread; + unsigned g_total_cta_left; + bool more_thread; // time of next rising edge double core_time; @@ -239,34 +309,15 @@ private: bool gpu_deadlock; //// configuration parameters //// - bool m_options_set; - - // clock domains - frequency - double core_freq; - double icnt_freq; - double dram_freq; - double l2_freq; + const gpgpu_sim_config &m_config; - // clock period - double core_period; - double icnt_period; - double dram_period; - double l2_period; - - struct cudaDeviceProp *m_cuda_properties; - struct shader_core_config *m_shader_config; - struct memory_config *m_memory_config; - - int m_pdom_sched_type; - - bool gpu_deadlock_detect; - int m_ptx_convert_to_ptxplus; - int m_ptx_save_converted_ptxplus; - unsigned m_ptx_force_max_capability; + const struct cudaDeviceProp *m_cuda_properties; + const struct shader_core_config *m_shader_config; + const struct memory_config *m_memory_config; // stats - struct shader_core_stats *m_shader_stats; - class memory_stats_t *m_memory_stats; + class shader_core_stats *m_shader_stats; + class memory_stats_t *m_memory_stats; unsigned long long gpu_tot_issued_cta; unsigned long long gpu_tot_completed_thread; unsigned long long last_gpu_sim_insn; |