/* //@HEADER // ************************************************************************ // // Kokkos v. 2.0 // Copyright (2014) Sandia Corporation // // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, // the U.S. Government retains certain rights in this software. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // 1. Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // // 2. Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // // 3. Neither the name of the Corporation nor the names of the // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Questions? Contact Christian R. Trott (crtrott@sandia.gov) // // ************************************************************************ //@HEADER */ #include #include #include #include int main(int argc, char* argv[]) { Kokkos::initialize(); if(argc<10) { printf("Arguments: N K R D U F T S\n"); printf(" P: Precision (1==float, 2==double)\n"); printf(" N,K: dimensions of the 2D array to allocate\n"); printf(" R: how often to loop through the K dimension with each team\n"); printf(" D: distance between loaded elements (stride)\n"); printf(" U: how many independent flops to do per load\n"); printf(" F: how many times to repeat the U unrolled operations before reading next element\n"); printf(" T: team size\n"); printf(" S: shared memory per team (used to control occupancy on GPUs)\n"); printf("Example Input GPU:\n"); printf(" Bandwidth Bound : 2 100000 1024 1 1 1 1 256 6000\n"); printf(" Cache Bound : 2 100000 1024 64 1 1 1 512 20000\n"); printf(" Compute Bound : 2 100000 1024 1 1 8 64 256 6000\n"); printf(" Load Slots Used : 2 20000 256 32 16 1 1 256 6000\n"); printf(" Inefficient Load: 2 20000 256 32 2 1 1 256 20000\n"); Kokkos::finalize(); return 0; } int P = atoi(argv[1]); int N = atoi(argv[2]); int K = atoi(argv[3]); int R = atoi(argv[4]); int D = atoi(argv[5]); int U = atoi(argv[6]); int F = atoi(argv[7]); int T = atoi(argv[8]); int S = atoi(argv[9]); if(U>8) {printf("U must be 1-8\n"); return 0;} if( (D!=1) && (D!=2) && (D!=4) && (D!=8) && (D!=16) && (D!=32)) {printf("D must be one of 1,2,4,8,16,32\n"); return 0;} if( (P!=1) && (P!=2) ) {printf("P must be one of 1,2\n"); return 0;} if(P==1) { run_stride_unroll(N,K,R,D,U,F,T,S); } if(P==2) { run_stride_unroll(N,K,R,D,U,F,T,S); } Kokkos::finalize(); }