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Introduce view objects that can safely be copied to GPU for access

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paboyle
2018-03-04 16:40:11 +00:00
parent aead94e9a7
commit 984e06e2b5
20 changed files with 204 additions and 142 deletions
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23
tests/forces/Test_wilson_force.cc
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@ -29,9 +29,6 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
using namespace std;
using namespace Grid;
;
int main (int argc, char ** argv)
{
@ -104,14 +101,17 @@ int main (int argc, char ** argv)
PokeIndex<LorentzIndex>(mom,mommu,mu);
// fourth order exponential approx
thread_loop( (auto i=mom.begin();i<mom.end();i++) ,{
Uprime[i](mu) = U[i](mu);
Uprime[i](mu) += mom[i](mu)*U[i](mu)*dt ;
Uprime[i](mu) += mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt/2.0);
Uprime[i](mu) += mom[i](mu) *mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt*dt/6.0);
Uprime[i](mu) += mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt*dt*dt/24.0);
Uprime[i](mu) += mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt*dt*dt*dt/120.0);
Uprime[i](mu) += mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt*dt*dt*dt*dt/720.0);
auto U_v = U.View();
auto mom_v = mom.View();
auto Uprime_v = Uprime.View();
thread_loop( (auto i=mom_v.begin();i<mom_v.end();i++) ,{
Uprime_v[i](mu) = U_v[i](mu);
Uprime_v[i](mu) += mom_v[i](mu)*U_v[i](mu)*dt ;
Uprime_v[i](mu) += mom_v[i](mu) *mom_v[i](mu) *U_v[i](mu)*(dt*dt/2.0);
Uprime_v[i](mu) += mom_v[i](mu) *mom_v[i](mu) *mom_v[i](mu) *U_v[i](mu)*(dt*dt*dt/6.0);
Uprime_v[i](mu) += mom_v[i](mu) *mom_v[i](mu) *mom_v[i](mu) *mom_v[i](mu) *U_v[i](mu)*(dt*dt*dt*dt/24.0);
Uprime_v[i](mu) += mom_v[i](mu) *mom_v[i](mu) *mom_v[i](mu) *mom_v[i](mu) *mom_v[i](mu) *U_v[i](mu)*(dt*dt*dt*dt*dt/120.0);
Uprime_v[i](mu) += mom_v[i](mu) *mom_v[i](mu) *mom_v[i](mu) *mom_v[i](mu) *mom_v[i](mu) *mom_v[i](mu) *U_v[i](mu)*(dt*dt*dt*dt*dt*dt/720.0);
});
}
@ -125,7 +125,6 @@ int main (int argc, char ** argv)
// Use derivative to estimate dS
//////////////////////////////////////////////
for(int mu=0;mu<Nd;mu++){
std::cout << "" <<std::endl;
mommu = PeekIndex<LorentzIndex>(mom,mu);