149 lines
4.2 KiB
C++
149 lines
4.2 KiB
C++
/*
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//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 2.0
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// Copyright (2014) Sandia Corporation
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Questions? Contact H. Carter Edwards (hcedwar@sandia.gov)
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//
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// ************************************************************************
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//@HEADER
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*/
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template<class Scalar>
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struct Run<Scalar,UNROLL,STRIDE> {
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static void run(int N, int K, int R, int F, int T, int S) {
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Kokkos::View<Scalar**[STRIDE],Kokkos::LayoutRight> A("A",N,K);
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Kokkos::View<Scalar**[STRIDE],Kokkos::LayoutRight> B("B",N,K);
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Kokkos::View<Scalar**[STRIDE],Kokkos::LayoutRight> C("C",N,K);
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Kokkos::deep_copy(A,Scalar(1.5));
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Kokkos::deep_copy(B,Scalar(2.5));
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Kokkos::deep_copy(C,Scalar(3.5));
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Kokkos::Timer timer;
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Kokkos::parallel_for("BenchmarkKernel",Kokkos::TeamPolicy<>(N,T).set_scratch_size(0,Kokkos::PerTeam(S)),
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KOKKOS_LAMBDA ( const Kokkos::TeamPolicy<>::member_type& team) {
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const int n = team.league_rank();
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for(int r=0; r<R; r++) {
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Kokkos::parallel_for(Kokkos::TeamThreadRange(team,0,K), [&] (const int& i) {
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Scalar a1 = A(n,i,0);
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const Scalar b = B(n,i,0);
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#if(UNROLL>1)
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Scalar a2 = a1*1.3;
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#endif
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#if(UNROLL>2)
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Scalar a3 = a2*1.1;
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#endif
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#if(UNROLL>3)
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Scalar a4 = a3*1.1;
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#endif
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#if(UNROLL>4)
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Scalar a5 = a4*1.3;
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#endif
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#if(UNROLL>5)
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Scalar a6 = a5*1.1;
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#endif
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#if(UNROLL>6)
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Scalar a7 = a6*1.1;
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#endif
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#if(UNROLL>7)
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Scalar a8 = a7*1.1;
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#endif
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for(int f = 0; f<F; f++) {
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a1 += b*a1;
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#if(UNROLL>1)
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a2 += b*a2;
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#endif
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#if(UNROLL>2)
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a3 += b*a3;
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#endif
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#if(UNROLL>3)
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a4 += b*a4;
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#endif
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#if(UNROLL>4)
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a5 += b*a5;
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#endif
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#if(UNROLL>5)
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a6 += b*a6;
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#endif
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#if(UNROLL>6)
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a7 += b*a7;
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#endif
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#if(UNROLL>7)
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a8 += b*a8;
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#endif
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}
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#if(UNROLL==1)
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C(n,i,0) = a1;
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#endif
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#if(UNROLL==2)
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C(n,i,0) = a1+a2;
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#endif
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#if(UNROLL==3)
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C(n,i,0) = a1+a2+a3;
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#endif
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#if(UNROLL==4)
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C(n,i,0) = a1+a2+a3+a4;
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#endif
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#if(UNROLL==5)
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C(n,i,0) = a1+a2+a3+a4+a5;
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#endif
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#if(UNROLL==6)
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C(n,i,0) = a1+a2+a3+a4+a5+a6;
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#endif
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#if(UNROLL==7)
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C(n,i,0) = a1+a2+a3+a4+a5+a6+a7;
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#endif
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#if(UNROLL==8)
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C(n,i,0) = a1+a2+a3+a4+a5+a6+a7+a8;
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#endif
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});
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}
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});
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Kokkos::fence();
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double seconds = timer.seconds();
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double bytes = 1.0*N*K*R*3*sizeof(Scalar);
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double flops = 1.0*N*K*R*(F*2*UNROLL + 2*(UNROLL-1));
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printf("NKRUFTS: %i %i %i %i %i %i %i Time: %lfs Bandwidth: %lfGiB/s GFlop/s: %lf\n",N,K,R,UNROLL,F,T,S,seconds,1.0*bytes/seconds/1024/1024/1024,1.e-9*flops/seconds);
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}
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};
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