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Hybrid working, but not fully tested.

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This commit is contained in:
W. Michael Brown
2011-01-27 17:52:08 -05:00
parent b9c7e2bb96
commit c1c9fd47de
25 changed files with 269 additions and 185 deletions
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22
lib/gpu/atomic_gpu_memory.cpp
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@ -23,11 +23,13 @@ extern PairGPUDevice<PRECISION,ACC_PRECISION> pair_gpu_device;
template <class numtyp, class acctyp>
AtomicGPUMemoryT::AtomicGPUMemory() : _compiled(false), _max_bytes(0) {
device=&pair_gpu_device;
ans=new PairGPUAns<numtyp,acctyp>();
nbor=new PairGPUNbor();
}
template <class numtyp, class acctyp>
AtomicGPUMemoryT::~AtomicGPUMemory() {
delete ans;
delete nbor;
}
@ -54,7 +56,7 @@ bool AtomicGPUMemoryT::init_atomic(const int nlocal, const int nall,
if (host_nlocal>0)
_gpu_host=1;
if (!device->init(false,false,nlocal,host_nlocal,nall,nbor,maxspecial,
if (!device->init(*ans,false,false,nlocal,host_nlocal,nall,nbor,maxspecial,
gpu_nbor,_gpu_host,max_nbors,cell_size,false))
return false;
ucl_device=device->gpu;
@ -74,7 +76,7 @@ bool AtomicGPUMemoryT::init_atomic(const int nlocal, const int nall,
pos_tex.bind_float(atom->dev_x,4);
_max_an_bytes=atom->gpu_bytes()+nbor->gpu_bytes();
_max_an_bytes=ans->gpu_bytes()+nbor->gpu_bytes();
return true;
}
@ -84,7 +86,7 @@ void AtomicGPUMemoryT::clear_atomic() {
// Output any timing information
acc_timers();
double avg_split=hd_balancer.all_avg_split();
device->output_times(time_pair,*nbor,avg_split,_max_bytes+_max_an_bytes,
device->output_times(time_pair,*ans,*nbor,avg_split,_max_bytes+_max_an_bytes,
screen);
if (_compiled) {
@ -118,7 +120,7 @@ int * AtomicGPUMemoryT::reset_nbors(const int nall, const int inum, int *ilist,
nbor->get_host(inum,ilist,numj,firstneigh,block_size());
double bytes=atom->gpu_bytes()+nbor->gpu_bytes();
double bytes=ans->gpu_bytes()+nbor->gpu_bytes();
if (bytes>_max_an_bytes)
_max_an_bytes=bytes;
@ -149,7 +151,7 @@ inline void AtomicGPUMemoryT::build_nbor_list(const int inum,
nbor->build_nbor_list(inum, host_inum, nall, *atom, boxlo, boxhi, tag,
nspecial, special, success, mn);
double bytes=atom->gpu_bytes()+nbor->gpu_bytes();
double bytes=ans->gpu_bytes()+nbor->gpu_bytes();
if (bytes>_max_an_bytes)
_max_an_bytes=bytes;
}
@ -173,7 +175,7 @@ void AtomicGPUMemoryT::compute(const int f_ago, const int inum_full,
int ago=hd_balancer.ago_first(f_ago);
int inum=hd_balancer.balance(ago,inum_full,cpu_time,nbor->gpu_nbor());
atom->inum(inum);
ans->inum(inum);
host_start=inum;
if (ago==0) {
@ -187,7 +189,8 @@ void AtomicGPUMemoryT::compute(const int f_ago, const int inum_full,
atom->add_x_data(host_x,host_type);
loop(eflag,vflag);
atom->copy_answers(eflag,vflag,eatom,vatom,ilist);
ans->copy_answers(eflag,vflag,eatom,vatom,ilist);
device->add_ans_object(ans);
hd_balancer.stop_timer();
}
@ -210,7 +213,7 @@ int * AtomicGPUMemoryT::compute(const int ago, const int inum_full,
hd_balancer.balance(cpu_time,nbor->gpu_nbor());
int inum=hd_balancer.get_gpu_count(ago,inum_full);
atom->inum(inum);
ans->inum(inum);
host_start=inum;
// Build neighbor list on GPU if necessary
@ -227,7 +230,8 @@ int * AtomicGPUMemoryT::compute(const int ago, const int inum_full,
}
loop(eflag,vflag);
atom->copy_answers(eflag,vflag,eatom,vatom);
ans->copy_answers(eflag,vflag,eatom,vatom);
device->add_ans_object(ans);
hd_balancer.stop_timer();
return nbor->host_nbor.begin();