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Diffstat (limited to 'src/gpgpu-sim/gpu-sim.cc')
-rw-r--r--src/gpgpu-sim/gpu-sim.cc98
1 files changed, 92 insertions, 6 deletions
diff --git a/src/gpgpu-sim/gpu-sim.cc b/src/gpgpu-sim/gpu-sim.cc
index 4cd9ea0..284b5ea 100644
--- a/src/gpgpu-sim/gpu-sim.cc
+++ b/src/gpgpu-sim/gpu-sim.cc
@@ -212,10 +212,19 @@ void shader_core_config::reg_options(class OptionParser * opp)
"shader L1 instruction cache config "
" {<nsets>:<bsize>:<assoc>,<rep>:<wr>:<alloc>:<wr_alloc>,<mshr>:<N>:<merge>,<mq>} ",
"4:256:4,L:R:f:N,A:2:32,4" );
- option_parser_register(opp, "-gpgpu_cache:dl1", OPT_CSTR, &m_L1D_config.m_config_string,
+ option_parser_register(opp, "-gpgpu_cache:dl1", OPT_CSTR, &m_L1D_config.m_config_string,
"per-shader L1 data cache config "
" {<nsets>:<bsize>:<assoc>,<rep>:<wr>:<alloc>:<wr_alloc>,<mshr>:<N>:<merge>,<mq> | none}",
"none" );
+ option_parser_register(opp, "-gpgpu_cache:dl1PrefL1", OPT_CSTR, &m_L1D_config.m_config_stringPrefL1,
+ "per-shader L1 data cache config "
+ " {<nsets>:<bsize>:<assoc>,<rep>:<wr>:<alloc>:<wr_alloc>,<mshr>:<N>:<merge>,<mq> | none}",
+ "none" );
+ option_parser_register(opp, "-gpgpu_cache:dl1PreShared", OPT_CSTR, &m_L1D_config.m_config_stringPrefShared,
+ "per-shader L1 data cache config "
+ " {<nsets>:<bsize>:<assoc>,<rep>:<wr>:<alloc>:<wr_alloc>,<mshr>:<N>:<merge>,<mq> | none}",
+ "none" );
+
option_parser_register(opp, "-gpgpu_perfect_mem", OPT_BOOL, &gpgpu_perfect_mem,
"enable perfect memory mode (no cache miss)",
"0");
@@ -246,7 +255,13 @@ void shader_core_config::reg_options(class OptionParser * opp)
option_parser_register(opp, "-gpgpu_n_ldst_response_buffer_size", OPT_UINT32, &ldst_unit_response_queue_size,
"number of response packets in ld/st unit ejection buffer",
"2");
- option_parser_register(opp, "-gpgpu_shmem_size", OPT_UINT32, &gpgpu_shmem_size,
+ option_parser_register(opp, "-gpgpu_shmem_size", OPT_UINT32, &gpgpu_shmem_sizeDefault,
+ "Size of shared memory per shader core (default 16kB)",
+ "16384");
+ option_parser_register(opp, "-gpgpu_shmem_size_PrefL1", OPT_UINT32, &gpgpu_shmem_sizePrefL1,
+ "Size of shared memory per shader core (default 16kB)",
+ "16384");
+ option_parser_register(opp, "-gpgpu_shmem_size_PrefShared", OPT_UINT32, &gpgpu_shmem_sizePrefShared,
"Size of shared memory per shader core (default 16kB)",
"16384");
option_parser_register(opp, "-gpgpu_shmem_num_banks", OPT_UINT32, &num_shmem_bank,
@@ -473,7 +488,6 @@ kernel_info_t *gpgpu_sim::select_kernel()
unsigned idx = (n+m_last_issued_kernel+1)%m_config.max_concurrent_kernel;
if( m_running_kernels[idx] && !m_running_kernels[idx]->no_more_ctas_to_run() ) {
m_last_issued_kernel=idx;
-
// record this kernel for stat print if it is the first time this kernel is selected for execution
unsigned launch_uid = m_running_kernels[idx]->get_uid();
if (std::find(m_executed_kernel_uids.begin(), m_executed_kernel_uids.end(), launch_uid) == m_executed_kernel_uids.end()) {
@@ -754,13 +768,85 @@ std::string gpgpu_sim::executed_kernel_info_string()
return statout.str();
}
+void gpgpu_sim::set_cache_config(std::string kernel_name, FuncCache cacheConfig )
+{
+ m_special_cache_config[kernel_name]=cacheConfig ;
+}
-void gpgpu_sim::clear_executed_kernel_info()
+FuncCache gpgpu_sim::get_cache_config(std::string kernel_name)
{
- m_executed_kernel_names.clear();
- m_executed_kernel_uids.clear();
+ for ( std::map<std::string, FuncCache>::iterator iter = m_special_cache_config.begin(); iter != m_special_cache_config.end(); iter++){
+ std::string kernel= iter->first;
+ if (kernel_name.compare(kernel) == 0){
+ return iter->second;
+ }
+ }
+ return (FuncCache)0;
}
+bool gpgpu_sim::has_special_cache_config(std::string kernel_name)
+{
+ for ( std::map<std::string, FuncCache>::iterator iter = m_special_cache_config.begin(); iter != m_special_cache_config.end(); iter++){
+ std::string kernel= iter->first;
+ if (kernel_name.compare(kernel) == 0){
+ return true;
+ }
+ }
+ return false;
+}
+
+
+void gpgpu_sim::set_cache_config(std::string kernel_name)
+{
+ if(has_special_cache_config(kernel_name)){
+ change_cache_config(get_cache_config(kernel_name));
+ }else{
+ change_cache_config(FuncCachePreferNone);
+ }
+}
+
+
+void gpgpu_sim::change_cache_config(FuncCache cache_config)
+{
+ switch(cache_config){
+ case FuncCachePreferNone:
+ m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_string);
+ m_shader_config->gpgpu_shmem_size=m_shader_config->gpgpu_shmem_sizeDefault;
+ break;
+ case FuncCachePreferL1:
+ if((m_shader_config->m_L1D_config.m_config_stringPrefL1 == NULL) || (m_shader_config->gpgpu_shmem_sizePrefL1 == (unsigned)-1))
+ {
+ printf("WARNING: missing Preferred L1 configuration\n");
+ m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_string);
+ m_shader_config->gpgpu_shmem_size=m_shader_config->gpgpu_shmem_sizeDefault;
+
+ }else{
+ m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_stringPrefL1);
+ m_shader_config->gpgpu_shmem_size=m_shader_config->gpgpu_shmem_sizePrefL1;
+ }
+ break;
+ case FuncCachePreferShared:
+ if((m_shader_config->m_L1D_config.m_config_stringPrefShared == NULL) || (m_shader_config->gpgpu_shmem_sizePrefShared == (unsigned)-1))
+ {
+ printf("WARNING: missing Preferred L1 configuration\n");
+ m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_string);
+ m_shader_config->gpgpu_shmem_size=m_shader_config->gpgpu_shmem_sizeDefault;
+ }else{
+ m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_stringPrefShared);
+ m_shader_config->gpgpu_shmem_size=m_shader_config->gpgpu_shmem_sizePrefShared;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+
+void gpgpu_sim::clear_executed_kernel_info()
+{
+ m_executed_kernel_names.clear();
+ m_executed_kernel_uids.clear();
+}
void gpgpu_sim::gpu_print_stat()
{
FILE *statfout = stdout;
generated by cgit v1.3 (git 2.53.0) at 2026-07-11 02:20:05 +0000