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

This commit is contained in:
paboyle
2018-03-04 16:40:11 +00:00
parent aead94e9a7
commit 984e06e2b5
20 changed files with 204 additions and 142 deletions

View File

@ -101,15 +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)
+ mom[i](mu)*U[i](mu)*dt
+ mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt/2.0)
+ mom[i](mu) *mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt*dt/6.0)
+ mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt*dt*dt/24.0)
+ 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)
+ 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)
+ mom_v[i](mu)*U_v[i](mu)*dt
+ mom_v[i](mu) *mom_v[i](mu) *U_v[i](mu)*(dt*dt/2.0)
+ mom_v[i](mu) *mom_v[i](mu) *mom_v[i](mu) *U_v[i](mu)*(dt*dt*dt/6.0)
+ 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)
+ 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)
+ 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)
;
});
}