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-rw-r--r--src/cuda-sim/cuda-sim.cc37
-rw-r--r--src/cuda-sim/cuda-sim.h15
-rw-r--r--src/cuda-sim/ptx_sim.cc2
3 files changed, 26 insertions, 28 deletions
diff --git a/src/cuda-sim/cuda-sim.cc b/src/cuda-sim/cuda-sim.cc
index a7294c1..ef50588 100644
--- a/src/cuda-sim/cuda-sim.cc
+++ b/src/cuda-sim/cuda-sim.cc
@@ -1702,7 +1702,11 @@ void gpgpu_cuda_ptx_sim_main_func( kernel_info_t &kernel, bool openCL )
//we excute the kernel one CTA (Block) at the time, as synchronization functions work block wise
while(!kernel.no_more_ctas_to_run()){
- functionalCoreSim cta(&kernel, g_the_gpu, g_the_gpu->getShaderCoreConfig()->warp_size);
+ functionalCoreSim cta(
+ &kernel,
+ g_the_gpu,
+ g_the_gpu->getShaderCoreConfig()->warp_size
+ );
cta.execute();
}
@@ -1744,27 +1748,22 @@ void gpgpu_cuda_ptx_sim_main_func( kernel_info_t &kernel, bool openCL )
void functionalCoreSim::initializeCTA()
{
int ctaLiveThreads=0;
- m_warpsCount= ceil((double)m_kernel->threads_per_cta()/m_maxWarpSize);
- initilizeSIMTStack(m_warpsCount,m_maxWarpSize);
- m_warpAtBarrier = new bool [m_warpsCount];
- m_liveThreadCount = new unsigned [m_warpsCount];
- m_thread = new ptx_thread_info*[m_warpsCount*m_maxWarpSize];
- for(int i=0; i< m_warpsCount; i++){
+ for(int i=0; i< m_warp_count; i++){
m_warpAtBarrier[i]=false;
m_liveThreadCount[i]=0;
}
- for(int i=0; i< m_warpsCount*m_maxWarpSize;i++)
+ for(int i=0; i< m_warp_count*m_warp_size;i++)
m_thread[i]=NULL;
//get threads for a cta
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_maxWarpSize,(gpgpu_t*)m_gpu, true);
+ 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());
ctaLiveThreads++;
}
- for(int k=0;k<m_warpsCount;k++)
+ for(int k=0;k<m_warp_count;k++)
createWarp(k);
}
@@ -1773,13 +1772,13 @@ void functionalCoreSim::createWarp(unsigned warpId)
simt_mask_t initialMask;
unsigned liveThreadsCount=0;
initialMask.set();
- for(int i=warpId*m_maxWarpSize; i<warpId*m_maxWarpSize+m_maxWarpSize;i++){
- if(m_thread[i]==NULL) initialMask.reset(i-warpId*m_maxWarpSize);
+ for(int i=warpId*m_warp_size; i<warpId*m_warp_size+m_warp_size;i++){
+ if(m_thread[i]==NULL) initialMask.reset(i-warpId*m_warp_size);
else liveThreadsCount++;
}
- assert(m_thread[warpId*m_maxWarpSize]!=NULL);
- m_simt_stack[warpId]->launch(m_thread[warpId*m_maxWarpSize]->get_pc(),initialMask);
+ assert(m_thread[warpId*m_warp_size]!=NULL);
+ m_simt_stack[warpId]->launch(m_thread[warpId*m_warp_size]->get_pc(),initialMask);
m_liveThreadCount[warpId]= liveThreadsCount;
}
@@ -1791,12 +1790,12 @@ void functionalCoreSim::execute()
while(true){
bool someOneLive= false;
bool allAtBarrier = true;
- for(unsigned i=0;i<m_warpsCount;i++){
+ for(unsigned i=0;i<m_warp_count;i++){
executeWarp(i,allAtBarrier,someOneLive);
}
if(!someOneLive) break;
if(allAtBarrier){
- for(unsigned i=0;i<m_warpsCount;i++)
+ for(unsigned i=0;i<m_warp_count;i++)
m_warpAtBarrier[i]=false;
}
}
@@ -1806,10 +1805,10 @@ void functionalCoreSim::executeWarp(unsigned i, bool &allAtBarrier, bool & someO
{
if(!m_warpAtBarrier[i] && m_liveThreadCount[i]!=0){
warp_inst_t inst =getExecuteWarp(i);
- execute_warp_inst_t(inst,m_maxWarpSize,i);
+ execute_warp_inst_t(inst,i);
if(inst.isatomic()) inst.do_atomic(true);
if(inst.op==BARRIER_OP || inst.op==MEMORY_BARRIER_OP ) m_warpAtBarrier[i]=true;
- updateSIMTStack(i,m_maxWarpSize,&inst);
+ updateSIMTStack( i, &inst );
}
if(m_liveThreadCount[i]>0) someOneLive=true;
if(!m_warpAtBarrier[i]&& m_liveThreadCount[i]>0) allAtBarrier = false;
@@ -1989,7 +1988,7 @@ address_type get_converge_point( address_type pc )
void functionalCoreSim::warp_exit( unsigned warp_id )
{
- for(int i=0;i<m_warpsCount*m_maxWarpSize;i++){
+ for(int i=0;i<m_warp_count*m_warp_size;i++){
if(m_thread[i]!=NULL){
m_thread[i]->m_cta_info->register_deleted_thread(m_thread[i]);
delete m_thread[i];
diff --git a/src/cuda-sim/cuda-sim.h b/src/cuda-sim/cuda-sim.h
index 96953fb..4c26350 100644
--- a/src/cuda-sim/cuda-sim.h
+++ b/src/cuda-sim/cuda-sim.h
@@ -85,12 +85,13 @@ void set_param_gpgpu_num_shaders(int num_shaders);
class functionalCoreSim: public core_t
{
public:
- functionalCoreSim(kernel_info_t * kernel, gpgpu_sim *g, unsigned maxwarpSize){
- this->m_kernel=kernel;
- m_gpu=g;
- m_maxWarpSize = maxwarpSize;
+ functionalCoreSim(kernel_info_t * kernel, gpgpu_sim *g, unsigned warp_size)
+ : core_t( g, kernel, warp_size, kernel->threads_per_cta() )
+ {
+ m_warpAtBarrier = new bool [m_warp_count];
+ m_liveThreadCount = new unsigned [m_warp_count];
}
- ~functionalCoreSim(){
+ virtual ~functionalCoreSim(){
warp_exit(0);
delete[] m_liveThreadCount;
delete[] m_warpAtBarrier;
@@ -110,15 +111,13 @@ private:
virtual void checkExecutionStatusAndUpdate(warp_inst_t &inst, unsigned t, unsigned tid)
{
if(m_thread[tid]==NULL || m_thread[tid]->is_done()){
- m_liveThreadCount[tid/m_maxWarpSize]--;
+ m_liveThreadCount[tid/m_warp_size]--;
}
}
// lunches the stack and set the threads count
void createWarp(unsigned warpId);
- unsigned m_maxWarpSize;
- unsigned m_warpsCount;
//each warp live thread count and barrier indicator
unsigned * m_liveThreadCount;
bool* m_warpAtBarrier;
diff --git a/src/cuda-sim/ptx_sim.cc b/src/cuda-sim/ptx_sim.cc
index e969e88..9b32e68 100644
--- a/src/cuda-sim/ptx_sim.cc
+++ b/src/cuda-sim/ptx_sim.cc
@@ -270,7 +270,7 @@ unsigned ptx_thread_info::get_builtin( int builtin_id, unsigned dim_mod )
if( dim_mod == 2 ) return m_tid.z;
abort();
break;
- case WARPSZ_REG: feature_not_implemented( "WARP_SZ" ); return 0;
+ case WARPSZ_REG: return m_core->get_warp_size() ;
default:
assert(0);
}
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