xref: /libCEED/backends/xsmm/ceed-xsmm-blocked.c (revision 3f21f6b10abeb5d85d3454ea5cd38498737dc88a)
1 // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC.
2 // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707.
3 // All Rights reserved. See files LICENSE and NOTICE for details.
4 //
5 // This file is part of CEED, a collection of benchmarks, miniapps, software
6 // libraries and APIs for efficient high-order finite element and spectral
7 // element discretizations for exascale applications. For more information and
8 // source code availability see http://github.com/ceed.
9 //
10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC,
11 // a collaborative effort of two U.S. Department of Energy organizations (Office
12 // of Science and the National Nuclear Security Administration) responsible for
13 // the planning and preparation of a capable exascale ecosystem, including
14 // software, applications, hardware, advanced system engineering and early
15 // testbed platforms, in support of the nation's exascale computing imperative.
16 
17 #include <ceed/ceed.h>
18 #include <ceed/backend.h>
19 #include <stdbool.h>
20 #include <string.h>
21 #include "ceed-xsmm.h"
22 
23 //------------------------------------------------------------------------------
24 // Backend Init
25 //------------------------------------------------------------------------------
26 static int CeedInit_Xsmm_Blocked(const char *resource, Ceed ceed) {
27   int ierr;
28   if (strcmp(resource, "/cpu/self") && strcmp(resource, "/cpu/self/xsmm") &&
29       strcmp(resource, "/cpu/self/xsmm/blocked"))
30     // LCOV_EXCL_START
31     return CeedError(ceed, CEED_ERROR_BACKEND,
32                      "blocked libXSMM backend cannot use resource: %s",
33                      resource);
34   // LCOV_EXCL_STOP
35   ierr = CeedSetDeterministic(ceed, true); CeedChkBackend(ierr);
36 
37   // Create reference CEED that implementation will be dispatched
38   //   through unless overridden
39   Ceed ceed_ref;
40   CeedInit("/cpu/self/opt/blocked", &ceed_ref);
41   ierr = CeedSetDelegate(ceed, ceed_ref); CeedChkBackend(ierr);
42 
43   if (CEED_SCALAR_TYPE == CEED_SCALAR_FP64) {
44     ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "TensorContractCreate",
45                                   CeedTensorContractCreate_f64_Xsmm);
46     CeedChkBackend(ierr);
47   } else {
48     ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "TensorContractCreate",
49                                   CeedTensorContractCreate_f32_Xsmm);
50     CeedChkBackend(ierr);
51   }
52 
53   return CEED_ERROR_SUCCESS;
54 }
55 
56 //------------------------------------------------------------------------------
57 // Backend Register
58 //------------------------------------------------------------------------------
59 CEED_INTERN int CeedRegister_Xsmm_Blocked(void) {
60   return CeedRegister("/cpu/self/xsmm/blocked", CeedInit_Xsmm_Blocked, 20);
61 }
62 //------------------------------------------------------------------------------
63