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-rw-r--r--src/cuda-sim/cuda-sim.cc94
-rw-r--r--src/cuda-sim/instructions.cc56
2 files changed, 8 insertions, 142 deletions
diff --git a/src/cuda-sim/cuda-sim.cc b/src/cuda-sim/cuda-sim.cc
index 642e301..6a6b307 100644
--- a/src/cuda-sim/cuda-sim.cc
+++ b/src/cuda-sim/cuda-sim.cc
@@ -2125,8 +2125,7 @@ void gpgpu_cuda_ptx_sim_main_func( kernel_info_t &kernel, bool openCL )
//before we execute, we should do PDOM analysis for functional simulation scenario.
function_info *kernel_func_info = kernel.entry();
const struct gpgpu_ptx_sim_info *kernel_info = ptx_sim_kernel_info(kernel_func_info);
- checkpoint *g_checkpoint;
- g_checkpoint = new checkpoint();
+
if (kernel_func_info->is_pdom_set()) {
printf("GPGPU-Sim PTX: PDOM analysis already done for %s \n", kernel.name().c_str() );
@@ -2143,21 +2142,12 @@ void gpgpu_cuda_ptx_sim_main_func( kernel_info_t &kernel, bool openCL )
- int inst_count=50;
- int cp_op= g_the_gpu->checkpoint_option;
- int cp_CTA = g_the_gpu->checkpoint_CTA;
- int cp_kernel= g_the_gpu->checkpoint_kernel;
- cp_count= g_the_gpu->checkpoint_insn_Y;
- cp_cta_resume= g_the_gpu->checkpoint_CTA_t;
- int cta_launched =0;
//we excute the kernel one CTA (Block) at the time, as synchronization functions work block wise
while(!kernel.no_more_ctas_to_run()){
unsigned temp=kernel.get_next_cta_id_single();
- if(cp_op==0 || (cp_op==1 && cta_launched<cp_cta_resume && kernel.get_uid()==cp_kernel) || kernel.get_uid()< cp_kernel) // just fro testing
- {
functionalCoreSim cta(
&kernel,
g_the_gpu,
@@ -2168,22 +2158,12 @@ void gpgpu_cuda_ptx_sim_main_func( kernel_info_t &kernel, bool openCL )
#if (CUDART_VERSION >= 5000)
launch_all_device_kernels();
#endif
- }
- else
- {
- kernel.increment_cta_id();
- }
- cta_launched++;
+
}
- if(cp_op==1)
- {
- char f1name[2048];
- snprintf(f1name,2048,"checkpoint_files/global_mem_%d.txt", kernel.get_uid() );
- g_checkpoint->store_global_mem(g_the_gpu->get_global_memory(), f1name , "%08x");
- }
+
@@ -2227,7 +2207,6 @@ void gpgpu_cuda_ptx_sim_main_func( kernel_info_t &kernel, bool openCL )
void functionalCoreSim::initializeCTA(unsigned ctaid_cp)
{
int ctaLiveThreads=0;
- symbol_table * symtab= m_kernel->entry()->get_symtab();
for(int i=0; i< m_warp_count; i++){
m_warpAtBarrier[i]=false;
@@ -2240,10 +2219,7 @@ void functionalCoreSim::initializeCTA(unsigned ctaid_cp)
for(unsigned i=0; i<m_kernel->threads_per_cta();i++) {
ptx_sim_init_thread(*m_kernel,&m_thread[i],0,i,m_kernel->threads_per_cta()-i,m_kernel->threads_per_cta(),this,0,i/m_warp_size,(gpgpu_t*)m_gpu, true);
assert(m_thread[i]!=NULL && !m_thread[i]->is_done());
- char fname[2048];
- snprintf(fname,2048,"checkpoint_files/thread_%d_0_reg.txt",i );
- if(cp_cta_resume==1)
- m_thread[i]->resume_reg_thread(fname,symtab);
+
ctaLiveThreads++;
}
@@ -2266,40 +2242,25 @@ void functionalCoreSim::createWarp(unsigned warpId)
char fname[2048];
snprintf(fname,2048,"checkpoint_files/warp_%d_0_simt.txt",warpId );
- if(cp_cta_resume==1)
- {
- unsigned pc,rpc;
- m_simt_stack[warpId]->resume(fname);
- m_simt_stack[warpId]->get_pdom_stack_top_info(&pc,&rpc);
- for(int i=warpId*m_warp_size; i<warpId*m_warp_size+m_warp_size;i++){
- m_thread[i]->set_npc(pc);
- m_thread[i]->update_pc();
- }
- }
m_liveThreadCount[warpId]= liveThreadsCount;
}
void functionalCoreSim::execute(int inst_count, unsigned ctaid_cp)
{
- cp_count= m_gpu->checkpoint_insn_Y;
- cp_cta_resume= m_gpu->checkpoint_CTA_t;
+
initializeCTA(ctaid_cp);
- int count=0;
+
while(true){
bool someOneLive= false;
bool allAtBarrier = true;
for(unsigned i=0;i<m_warp_count;i++){
executeWarp(i,allAtBarrier,someOneLive);
- count++;
+
}
- if(inst_count>0 && count>inst_count && (m_kernel->get_uid()==m_gpu->checkpoint_kernel) && (ctaid_cp>=m_gpu->checkpoint_CTA) && (ctaid_cp<m_gpu->checkpoint_CTA_t) && m_gpu->checkpoint_option==1)
- {
- someOneLive=false;
- break;
- }
+
if(!someOneLive) break;
if(allAtBarrier){
for(unsigned i=0;i<m_warp_count;i++)
@@ -2307,45 +2268,6 @@ void functionalCoreSim::execute(int inst_count, unsigned ctaid_cp)
}
}
- checkpoint *g_checkpoint;
- g_checkpoint = new checkpoint();
-
- symbol * sym;
- ptx_reg_t regval;
- regval.u64= 123;
- symbol_table * symtab= m_kernel->entry()->get_symtab();
-
-
- unsigned ctaid =m_kernel->get_next_cta_id_single();
- if(m_gpu->checkpoint_option==1 && (m_kernel->get_uid()==m_gpu->checkpoint_kernel) && (ctaid_cp>=m_gpu->checkpoint_CTA) && (ctaid_cp<m_gpu->checkpoint_CTA_t))
- {
- char fname[2048];
- snprintf(fname,2048,"checkpoint_files/shared_mem_%d.txt",ctaid-1 );
- g_checkpoint->store_global_mem(m_thread[0]->m_shared_mem, fname , "%08x");
- for(int i=0; i<32*m_warp_count;i++)
- {
- char fname[2048];
- snprintf(fname,2048,"checkpoint_files/thread_%d_%d_reg.txt",i,ctaid-1 );
- m_thread[i]->print_reg_thread(fname);
- char f1name[2048];
- snprintf(f1name,2048,"checkpoint_files/local_mem_thread_%d_%d_reg.txt",i,ctaid-1 );
- g_checkpoint->store_global_mem(m_thread[i]->m_local_mem, f1name , "%08x");
- m_thread[i]->set_done();
- m_thread[i]->exitCore();
- m_thread[i]->registerExit();
- }
-
- for(int i=0;i<m_warp_count;i++)
- {
-
- char fname[2048];
- snprintf(fname,2048,"checkpoint_files/warp_%d_%d_simt.txt",i,ctaid-1 );
- FILE * fp = fopen(fname,"w");
- assert(fp!=NULL);
- m_simt_stack[i]->print_checkpoint(fp);
- fclose(fp);
- }
- }
}
diff --git a/src/cuda-sim/instructions.cc b/src/cuda-sim/instructions.cc
index 31a33c6..f57a3f7 100644
--- a/src/cuda-sim/instructions.cc
+++ b/src/cuda-sim/instructions.cc
@@ -183,63 +183,7 @@ void ptx_thread_info::set_reg( const symbol *reg, const ptx_reg_t &value )
m_last_set_operand_value = value;
}
-void ptx_thread_info::print_reg_thread(char * fname)
-{
-
- FILE *fp= fopen(fname,"w");
- assert(fp!=NULL);
-
- int size = m_regs.size();
-
- if(size>0)
- {
- reg_map_t reg = m_regs.back();
-
- typename reg_map_t::const_iterator it;
- for (it = reg.begin(); it != reg.end(); ++it)
- {
- const std::string &name = it->first->name();
- const std::string &dec= it->first->decl_location();
- unsigned size = it->first->get_size_in_bytes();
- fprintf(fp,"%s %llu %s %d\n",name.c_str(),it->second, dec.c_str(),size );
-
- }
- //m_regs.pop_back();
- }
- fclose(fp);
-
- }
-
-void ptx_thread_info::resume_reg_thread(char * fname, symbol_table * symtab)
-{
-
- FILE * fp2 = fopen(fname, "r");
- assert(fp2!=NULL);
- //m_regs.push_back( reg_map_t() );
- char line [ 200 ];
- while ( fgets ( line, sizeof line, fp2 ) != NULL )
- {
- symbol *reg;
- char * pch;
- unsigned size;
- pch = strtok (line," ");
- char * name =pch;
- reg= symtab->lookup(name);
- ptx_reg_t data;
- pch = strtok (NULL," ");
- data = atoi(pch);
- pch = strtok (NULL," ");
- char * decl= pch;
- pch = strtok (NULL," ");
- size = atoi(pch);
-
-
- m_regs.back()[reg] = data;
- }
- fclose ( fp2 );
-}
-
ptx_reg_t ptx_thread_info::get_reg( const symbol *reg )
{
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