git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@13583 f3b2605a-c512-4ea7-a41b-209d697bcdaa

2015-07-14 19:57:25 +00:00
parent 47e13d72a8
commit 61ec2f78ac
195 changed files with 68433 additions and 0 deletions
--- a/lib/kokkos/core/unit_test/TestScan.hpp
+++ b/lib/kokkos/core/unit_test/TestScan.hpp
@ -0,0 +1,97 @@
+/*
+//@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  H. Carter Edwards (hcedwar@sandia.gov)
+// 
+// ************************************************************************
+//@HEADER
+*/
+
+/*--------------------------------------------------------------------------*/
+
+#include <stdio.h>
+
+namespace Test {
+
+template< class Device , class WorkSpec = size_t >
+struct TestScan {
+
+  typedef  Device    execution_space ;
+  typedef  long int  value_type ;
+
+  KOKKOS_INLINE_FUNCTION
+  void operator()( const int iwork , value_type & update , const bool final_pass ) const
+  {
+    const value_type n = iwork + 1 ;
+    const value_type imbalance = ( (1000 <= n) && (0 == n % 1000) ) ? 1000 : 0 ;
+
+    // Insert an artificial load imbalance
+
+    for ( value_type i = 0 ; i < imbalance ; ++i ) { ++update ; }
+
+    update += n - imbalance ;
+
+    if ( final_pass ) {
+      const value_type answer = n & 1 ? ( n * ( ( n + 1 ) / 2 ) ) : ( ( n / 2 ) * ( n + 1 ) );
+
+      if ( answer != update ) {
+        printf("TestScan(%d,%ld) != %ld\n",iwork,update,answer);
+      }
+    }
+  }
+
+  KOKKOS_INLINE_FUNCTION
+  void init( value_type & update ) const { update = 0 ; }
+
+  KOKKOS_INLINE_FUNCTION
+  void join( volatile       value_type & update ,
+             volatile const value_type & input ) const
+  { update += input ; }
+
+  TestScan( const WorkSpec & N )
+    { parallel_scan( N , *this ); }
+
+  static void test_range( const WorkSpec & begin , const WorkSpec & end )
+    {
+      for ( WorkSpec i = begin ; i < end ; ++i ) {
+        (void) TestScan( i );
+      }
+    }
+};
+
+}
+