Exemplo n.º 1
0
void
setup_layout(void)
{
  int c[4];
  int i,n_mach;
  int d[4];

#ifdef FIX_NODE_GEOM
  int *geom = node_geometry;
#else
  int *geom = NULL;
#endif

  if(mynode()==0){
    printf("LAYOUT = Hypercubes, options = ");
    printf("QDP");
    printf("\n");
  }

  /* Is there already a grid? 
     This could be a grid architecture with a preset dimension, or
     a geometry could have been set by the -qmp-geom command line arg. 
     In either case we have a nonzero allocated number of dimensions. 
  */

  if(QMP_get_allocated_number_of_dimensions() == 0)
    /* Set the geometry if requested */
    set_qmp_layout_grid(geom, 4);

  c[0] = nx;
  c[1] = ny;
  c[2] = nz;
  c[3] = nt;
  QDP_set_latsize(4, c);
  QDP_create_layout();
  sites_on_node = QDP_sites_on_node;
  even_sites_on_node = QDP_subset_len(QDP_even);
  odd_sites_on_node = QDP_subset_len(QDP_odd);
  n_mach = QMP_get_logical_number_of_dimensions();
  dim_mach = QMP_get_logical_dimensions();

  /* Initialize I/O node function */
#ifdef FIX_IONODE_GEOM
  init_io_node();
#endif
  
  /* Report sublattice dimensions */
  for(i = 0; i < 4; i++){
    /* Any extra machine dimensions are assumed to be 1 */
    if(i < n_mach)d[i] = c[i]/dim_mach[i];
    else d[i] = c[i];
  }
  if( mynode()==0)
    printf("ON EACH NODE %d x %d x %d x %d\n",d[0],d[1],d[2],d[3]);

#if 0
  mpi_whoami();  /* Debug */
#endif
}
Exemplo n.º 2
0
/*--------------------------------------------------------------------*/
static void setup_qmp_grid(){
  int ndim = 4;
  int len[4];
  int ndim2, i;
  const int *nsquares2;

  len[0] = nx; len[1] = ny; len[2] = nz; len[3] = nt;

  if(mynode()==0){
    printf("qmp_grid,");
    printf("\n");
  }

  ndim2 = QMP_get_allocated_number_of_dimensions();
  nsquares2 = QMP_get_allocated_dimensions();

  /* If the dimensions are not already allocated, use the
     node_geometry request.  Otherwise a hardware or command line
     specification trumps the parameter input. */
#ifdef FIX_NODE_GEOM
  if(ndim2 == 0){
    ndim2 = 4;
    nsquares2 = node_geometry;
  }
  else{
    node0_printf("setup_qmp_grid: Preallocated machine geometry overrides request\n");
  }
#endif

  if(mynode()==0){
    printf("Using machine geometry: ");
    for(i=0; i<ndim; i++){
      printf("%d ",nsquares2[i]);
      if(i < ndim-1)printf("X ");
    }
    printf("\n");
  }

  /* In principle, we could now rotate coordinate axes */
  /* Save this for a future upgrade */

  set_qmp_layout_grid(nsquares2, ndim2);

  ndim2 = QMP_get_logical_number_of_dimensions();
  nsquares2 = QMP_get_logical_dimensions();

  for(i=0; i<ndim; i++) {
    if(i<ndim2) nsquares[i] = nsquares2[i];
    else nsquares[i] = 1;
  }

  for(i=0; i<ndim; i++) {
    if(len[i]%nsquares[i] != 0) {
      node0_printf("LATTICE SIZE DOESN'T FIT GRID\n");
      QMP_abort(0);
    }
    squaresize[i] = len[i]/nsquares[i];
  }
}
/* Total problem size */
static int* getLattSize()
{
    static int first = 1;
    static int tot_size[4];

    if (first == 1) {

        const int* phys_size = QMP_get_logical_dimensions();
        int i;

        for(i=0; i < getNumDim(); ++i) {
            tot_size[i] = getSubgridSize()[i]*phys_size[i];
        }

        first = 0;
    }

    return tot_size;
}
Exemplo n.º 4
0
void
setup_layout(void)
{
  int c[4];
  int i,n_mach;
  int d[4];

  if(mynode()==0){
    printf("LAYOUT = Hypercubes, options = ");
    printf("QDP");
    printf("\n");
  }
  c[0] = nx;
  c[1] = ny;
  c[2] = nz;
  c[3] = nt;
  QDP_set_latsize(4, c);
  QDP_create_layout();
  sites_on_node = QDP_sites_on_node;
  even_sites_on_node = QDP_subset_len(QDP_even);
  odd_sites_on_node = QDP_subset_len(QDP_odd);
  n_mach = QMP_get_logical_number_of_dimensions();
  dim_mach = QMP_get_logical_dimensions();

#ifdef FIX_IONODE_GEOM
  /* Initialize I/O node function */
  init_io_node();
#endif
  
  /* Report sublattice dimensions */
  for(i = 0; i < 4; i++){
    /* Any extra machine dimensions are assumed to be 1 */
    if(i < n_mach)d[i] = c[i]/dim_mach[i];
    else d[i] = c[i];
  }
  if( mynode()==0)
    printf("ON EACH NODE %d x %d x %d x %d\n",d[0],d[1],d[2],d[3]);
}
Exemplo n.º 5
0
void initQuda(int dev)
{
  static int initialized = 0;
  if (initialized) {
    return;
  }
  initialized = 1;

#if (CUDA_VERSION >= 4000) && defined(MULTI_GPU)
  //check if CUDA_NIC_INTEROP is set to 1 in the enviroment
  char* cni_str = getenv("CUDA_NIC_INTEROP");
  if(cni_str == NULL){
    errorQuda("Environment variable CUDA_NIC_INTEROP is not set\n");
  }
  int cni_int = atoi(cni_str);
  if (cni_int != 1){
    errorQuda("Environment variable CUDA_NIC_INTEROP is not set to 1\n");    
  }
#endif

  int deviceCount;
  cudaGetDeviceCount(&deviceCount);
  if (deviceCount == 0) {
    errorQuda("No devices supporting CUDA");
  }

  for(int i=0; i<deviceCount; i++) {
    cudaDeviceProp deviceProp;
    cudaGetDeviceProperties(&deviceProp, i);
    printfQuda("QUDA: Found device %d: %s\n", i, deviceProp.name);
  }

#ifdef QMP_COMMS
  int ndim;
  const int *dim;

  if ( QMP_is_initialized() != QMP_TRUE ) {
    errorQuda("QMP is not initialized");
  }
  num_QMP=QMP_get_number_of_nodes();
  rank_QMP=QMP_get_node_number();
  
  dev += rank_QMP % deviceCount;
  ndim = QMP_get_logical_number_of_dimensions();
  dim = QMP_get_logical_dimensions();

#elif defined(MPI_COMMS)

  comm_init();
  dev=comm_gpuid();

#else
  if (dev < 0) dev = deviceCount - 1;
#endif
  
  // Used for applying the gauge field boundary condition
  if( commCoords(3) == 0 ) qudaPt0=true;
  else qudaPt0=false;

  if( commCoords(3) == commDim(3)-1 ) qudaPtNm1=true;
  else qudaPtNm1=false;

  cudaDeviceProp deviceProp;
  cudaGetDeviceProperties(&deviceProp, dev);
  if (deviceProp.major < 1) {
    errorQuda("Device %d does not support CUDA", dev);
  }

  
  printfQuda("QUDA: Using device %d: %s\n", dev, deviceProp.name);

  cudaSetDevice(dev);
#ifdef HAVE_NUMA
  if(numa_config_set){
    if(gpu_affinity[dev] >=0){
      printfQuda("Numa setting to cpu node %d\n", gpu_affinity[dev]);
      if(numa_run_on_node(gpu_affinity[dev]) != 0){
        printfQuda("Warning: Setting numa to cpu node %d failed\n", gpu_affinity[dev]);
      }
    }

  }
#endif

  initCache();
  quda::initBlas();
}
Exemplo n.º 6
0
int
main(int argc, char *argv[])
{
    const char *msg;
    int status = 1;
    int mu, i;
    struct QOP_CLOVER_State *clover_state;
    QDP_Int *I_seed;
    int i_seed;
    QDP_RandomState *state;
    QLA_Real plaq;
    QLA_Real n[NELEMS(F)];
    struct QOP_CLOVER_Gauge *c_g;
    struct QOP_CLOVER_Fermion *c_f[NELEMS(F)];
    double kappa;
    double c_sw;
    double in_eps;
    int in_iter;
    int log_flag;
    double out_eps;
    int out_iter;
    int cg_status;
    double run_time;
    long long flops, sent, received;
    
    /* start QDP */
    QDP_initialize(&argc, &argv);

    if (argc != 1 + NDIM + 6) {
        printf0("ERROR: usage: %s Lx ... seed kappa c_sw iter eps log?\n",
                argv[0]);
        goto end;
    }

    for (mu = 0; mu < NDIM; mu++) {
        lattice[mu] = atoi(argv[1 + mu]);
    }
    i_seed = atoi(argv[1 + NDIM]);
    kappa = atof(argv[2 + NDIM]);
    c_sw = atof(argv[3 + NDIM]);
    in_iter = atoi(argv[4 + NDIM]);
    in_eps = atof(argv[5 + NDIM]);
    
    log_flag = atoi(argv[6 + NDIM]) == 0? 0: QOP_CLOVER_LOG_EVERYTHING;

    /* set lattice size and create layout */
    QDP_set_latsize(NDIM, lattice);
    QDP_create_layout();

    primary = QMP_is_primary_node();
    self = QMP_get_node_number();
    get_vector(network, 1, QMP_get_logical_number_of_dimensions(),
               QMP_get_logical_dimensions());
    get_vector(node, 0, QMP_get_logical_number_of_dimensions(),
               QMP_get_logical_coordinates());
        
    printf0("network: ");
    for (i = 0; i < NDIM; i++)
        printf0(" %d", network[i]);
    printf0("\n");

    printf0("node: ");
    for (i = 0; i < NDIM; i++)
        printf0(" %d", node[i]);
    printf0("\n");

    printf0("kappa: %20.15f\n", kappa);
    printf0("c_sw:  %20.15f\n", c_sw);

    printf0("in_iter: %d\n", in_iter);
    printf0("in_eps: %15.2e\n", in_eps);

    /* allocate the gauge field */
    create_Mvector(U, NELEMS(U));
    create_Mvector(C, NELEMS(C));
    create_Dvector(F, NELEMS(F));
    I_seed = QDP_create_I();
    QDP_I_eq_funci(I_seed, icoord, QDP_all);
    state = QDP_create_S();
    QDP_S_eq_seed_i_I(state, i_seed, I_seed, QDP_all);
    
    for (mu = 0; mu < NELEMS(U); mu++) {
        QDP_M_eq_gaussian_S(U[mu], state, QDP_all);
    }
    
    for (i = 0; i < NELEMS(F); i++) {
        QDP_D_eq_gaussian_S(F[i], state, QDP_all);
    }

    /* build the clovers */
    clover(C, U);

    /* initialize CLOVER */
    if (QOP_CLOVER_init(&clover_state, lattice, network, node, primary,
                        sublattice, NULL)) {
        printf0("CLOVER_init() failed\n");
        goto end;
    }

    if (QOP_CLOVER_import_fermion(&c_f[0], clover_state, f_reader, F[0])) {
        printf0("CLOVER_import_fermion(0) failed\n");
        goto end;
    }

    if (QOP_CLOVER_allocate_fermion(&c_f[1], clover_state)) {
        printf0("CLOVER_allocate_fermion(1) failed\n");
        goto end;
    }

    if (QOP_CLOVER_allocate_fermion(&c_f[2], clover_state)) {
        printf0("CLOVER_allocate_fermion(2) failed\n");
        goto end;
    }

    if (QOP_CLOVER_allocate_fermion(&c_f[3], clover_state)) {
        printf0("CLOVER_allocate_fermion(3) failed\n");
        goto end;
    }

    if (QOP_CLOVER_import_gauge(&c_g, clover_state, kappa, c_sw,
                                u_reader, c_reader, NULL)) {
        printf("CLOVER_import_gauge() failed\n");
        goto end;
    }

    QOP_CLOVER_D_operator(c_f[2], c_g, c_f[0]);
    cg_status = QOP_CLOVER_D_CG(c_f[3], &out_iter, &out_eps,
                                c_f[2], c_g, c_f[2], in_iter, in_eps,
                                log_flag);

    msg = QOP_CLOVER_error(clover_state);

    QOP_CLOVER_performance(&run_time, &flops, &sent, &received, clover_state);

    QOP_CLOVER_export_fermion(f_writer, F[3], c_f[3]);

    printf0("CG status: %d\n", cg_status);
    printf0("CG error message: %s\n", msg? msg: "<NONE>");
    printf0("CG iter: %d\n", out_iter);
    printf0("CG eps: %20.10e\n", out_eps);
    printf0("CG performance: runtime %e sec\n", run_time);
    printf0("CG performance: flops  %.3e MFlop/s (%lld)\n",
            flops * 1e-6 / run_time, flops);
    printf0("CG performance: snd    %.3e MB/s (%lld)\n",
            sent * 1e-6 / run_time, sent);
    printf0("CG performance: rcv    %.3e MB (%lld)/s\n",
            received * 1e-6 / run_time, received);

    /* free CLOVER */
    QOP_CLOVER_free_gauge(&c_g);
    for (i = 0; i < NELEMS(c_f); i++)
        QOP_CLOVER_free_fermion(&c_f[i]);

    QOP_CLOVER_fini(&clover_state);

    /* Compute plaquette */
    plaq = plaquette(U);

    /* field norms */
    for (i = 0; i < NELEMS(F); i++)
        QDP_r_eq_norm2_D(&n[i], F[i], QDP_all);
        
    /* Display the values */
    printf0("plaquette = %g\n",
            plaq / (QDP_volume() * QDP_Nc * NDIM * (NDIM - 1) / 2 ));
    for (i = 0; i < NELEMS(F); i++)
        printf0(" |f|^2 [%d] = %20.10e\n", i, (double)(n[i]));

    /* Compute and display <f[1] f[0]> */
    show_dot("1|orig", F[1], F[0]);
    /* Compute and display <f[1] f[3]> */
    show_dot("1|solv", F[1], F[3]);

    QDP_destroy_S(state);
    QDP_destroy_I(I_seed);
    destroy_Mvector(U, NELEMS(U));
    destroy_Mvector(C, NELEMS(C));
    destroy_Dvector(F, NELEMS(F));

    status = 0;
end:
    /* shutdown QDP */
    printf0("end\n");
    QDP_finalize();
        
    return status;
}
Exemplo n.º 7
0
void setup_layout( void )
{
  const int *p_machine_dimensions = NULL;
  int number_machine_dimensions = -1;

  int i;

  number_machine_dimensions = QMP_get_logical_number_of_dimensions();
  printf( "number of QMP machine dimensions = %i\n", number_machine_dimensions );

  p_machine_dimensions = QMP_get_logical_dimensions();
  if( p_machine_dimensions == NULL )
  {
    printf( "p_machines_dimensions is NULL\n" );
    terminate( 0 );
  }

  for( i = 0; i < number_machine_dimensions; i++ )
  {
    printf( "QMP machine dimension ( %i ) = %i\n", i, p_machine_dimensions[ i ] );
  }

  machine_nx = p_machine_dimensions[ 0 ];
  machine_ny = p_machine_dimensions[ 1 ];
  machine_nz = p_machine_dimensions[ 2 ];
  machine_nt = p_machine_dimensions[ 3 ];

  p_machine_dimensions = NULL;

  machine_dimensions[ XUP ] = machine_nx;
  machine_dimensions[ YUP ] = machine_ny;
  machine_dimensions[ ZUP ] = machine_nz;
  machine_dimensions[ TUP ] = machine_nt;

  printf( "machine_nx = %i\n", machine_nx );
  printf( "machine_ny = %i\n", machine_ny );
  printf( "machine_nz = %i\n", machine_nz );
  printf( "machine_nt = %i\n", machine_nt );

  /* Each lattice dimension must be a mutliple of the corresponding machine dimension. */

  if( ( nx % machine_nx ) != 0 )
  {
    printf( "nx = %i is not a multiple of machine_nx = %i\n", nx, machine_nx );
    terminate( 0 );
  }
  if( ( ny % machine_ny ) != 0 )
  {
    printf( "ny = %i is not a multiple of machine_ny = %i\n", ny, machine_ny );
    terminate( 0 );
  }
  if( ( nz % machine_nz ) != 0 )
  {
    printf( "nz = %i is not a multiple of machine_nz = %i\n", nz, machine_nz );
    terminate( 0 );
  }
  if( ( nt % machine_nt ) != 0 )
  {
    printf( "nt = %i is not a multiple of machine_nt = %i\n", nt, machine_nt );
    terminate( 0 );
  }

  sub_lattice_nx = nx / machine_nx;
  sub_lattice_ny = ny / machine_ny;
  sub_lattice_nz = nz / machine_nz;
  sub_lattice_nt = nt / machine_nt;

  sub_lattice_dimensions[ XUP ] = sub_lattice_nx;
  sub_lattice_dimensions[ YUP ] = sub_lattice_ny;
  sub_lattice_dimensions[ ZUP ] = sub_lattice_nz;
  sub_lattice_dimensions[ TUP ] = sub_lattice_nt;

  printf( "sub_lattice_nx = %i\n", sub_lattice_nx );
  printf( "sub_lattice_ny = %i\n", sub_lattice_ny );
  printf( "sub_lattice_nz = %i\n", sub_lattice_nz );
  printf( "sub_lattice_nt = %i\n", sub_lattice_nt );

  sites_on_node = sub_lattice_nx * sub_lattice_ny * sub_lattice_nz * sub_lattice_nt;

  sub_lattice_volume = sites_on_node;

  /* The number of sites per node must be even. */

  if( mynode() == 0 )
  {
    if( sites_on_node % 2 != 0)
    {
        printf( "sites_on_node is not even\n" );
	terminate(0);
    }
  }

  even_sites_on_node = sites_on_node / 2;
  odd_sites_on_node  = sites_on_node / 2;

if( mynode()==0)
  printf("ON EACH NODE %d x %d x %d x %d\n",sub_lattice_nx,sub_lattice_ny,
                sub_lattice_nz,sub_lattice_nt);
if( mynode()==0 && sites_on_node%2 != 0)
	printf("WATCH OUT FOR EVEN/ODD SITES ON NODE BUG!!!\n");
}
Exemplo n.º 8
0
int
main(int argc, char *argv[])
{
    int status = 1;
    int mu, i;
    struct QOP_CLOVER_State *clover_state;
    QDP_Int *I_seed;
    int i_seed;
    QDP_RandomState *state;
    QLA_Real plaq;
    QLA_Real n[NELEMS(F)];
    struct QOP_CLOVER_Gauge *c_g;
    struct QOP_CLOVER_Fermion *c_f[NELEMS(F)];
    double kappa;
    double c_sw;

    /* start QDP */
    QDP_initialize(&argc, &argv);

    if (argc != 1 + NDIM + 3) {
        printf0("ERROR: usage: %s Lx ... seed kappa c_sw\n", argv[0]);
        goto end;
    }

    for (mu = 0; mu < NDIM; mu++) {
        lattice[mu] = atoi(argv[1 + mu]);
    }
    i_seed = atoi(argv[1 + NDIM]);
    kappa = atof(argv[2 + NDIM]);
    c_sw = atof(argv[3 + NDIM]);
    
    /* set lattice size and create layout */
    QDP_set_latsize(NDIM, lattice);
    QDP_create_layout();

    primary = QMP_is_primary_node();
    self = QMP_get_node_number();
    get_vector(network, 1, QMP_get_logical_number_of_dimensions(),
               QMP_get_logical_dimensions());
    get_vector(node, 0, QMP_get_logical_number_of_dimensions(),
               QMP_get_logical_coordinates());
        
    printf0("network: ");
    for (i = 0; i < NDIM; i++)
        printf0(" %d", network[i]);
    printf0("\n");

    printf0("node: ");
    for (i = 0; i < NDIM; i++)
        printf0(" %d", node[i]);
    printf0("\n");

    printf0("kappa: %20.15f\n", kappa);
    printf0("c_sw:  %20.15f\n", c_sw);

    /* allocate the gauge field */
    create_Mvector(U, NELEMS(U));
    create_Mvector(C, NELEMS(C));
    create_Dvector(F, NELEMS(F));
    I_seed = QDP_create_I();
    QDP_I_eq_funci(I_seed, icoord, QDP_all);
    state = QDP_create_S();
    QDP_S_eq_seed_i_I(state, i_seed, I_seed, QDP_all);
    
    for (mu = 0; mu < NELEMS(U); mu++) {
        QDP_M_eq_gaussian_S(U[mu], state, QDP_all);
    }
    
    for (i = 0; i < NELEMS(F); i++) {
        QDP_D_eq_gaussian_S(F[i], state, QDP_all);
    }

    /* build the clovers */
    clover(C, U);

    /* initialize CLOVER */
    if (QOP_CLOVER_init(&clover_state, lattice, network, node, primary,
                        sublattice, NULL)) {
        printf0("CLOVER_init() failed\n");
        goto end;
    }

    if (QOP_CLOVER_import_fermion(&c_f[0], clover_state, f_reader, F[0])) {
        printf0("CLOVER_import_fermion(0) failed\n");
        goto end;
    }

    if (QOP_CLOVER_import_fermion(&c_f[1], clover_state, f_reader, F[1])) {
        printf0("CLOVER_import_fermion(1) failed\n");
        goto end;
    }

    if (QOP_CLOVER_allocate_fermion(&c_f[2], clover_state)) {
        printf0("CLOVER_allocate_fermion(2) failed\n");
        goto end;
    }

    if (QOP_CLOVER_allocate_fermion(&c_f[3], clover_state)) {
        printf0("CLOVER_allocate_fermion(3) failed\n");
        goto end;
    }

    if (QOP_CLOVER_import_gauge(&c_g, clover_state, kappa, c_sw,
                                u_reader, c_reader, NULL)) {
        printf("CLOVER_import_gauge() failed\n");
        goto end;
    }

    QOP_CLOVER_D_operator(c_f[2], c_g, c_f[0]);
    QOP_CLOVER_export_fermion(f_writer, F[2], c_f[2]);

    QOP_CLOVER_D_operator_conjugated(c_f[3], c_g, c_f[1]);
    QOP_CLOVER_export_fermion(f_writer, F[3], c_f[3]);
    
    /* free CLOVER */
    QOP_CLOVER_free_gauge(&c_g);
    for (i = 0; i < NELEMS(c_f); i++)
        QOP_CLOVER_free_fermion(&c_f[i]);

    QOP_CLOVER_fini(&clover_state);

    /* Compute plaquette */
    plaq = plaquette(U);

    /* field norms */
    for (i = 0; i < NELEMS(F); i++)
        QDP_r_eq_norm2_D(&n[i], F[i], QDP_all);
        


    /* Display the values */
    printf0("plaquette = %g\n",
            plaq / (QDP_volume() * QDP_Nc * NDIM * (NDIM - 1) / 2 ));
    for (i = 0; i < NELEMS(F); i++)
        printf0(" |f|^2 [%d] = %20.10e\n", i, (double)(n[i]));

    /* Compute and display <f[1] f[2]> */
    show_dot("1|D0", F[1], F[2]);
    /* Compute and display <f[3] f[0]> */
    show_dot("X1|0", F[3], F[0]);

    QDP_destroy_S(state);
    QDP_destroy_I(I_seed);
    destroy_Mvector(U, NELEMS(U));
    destroy_Mvector(C, NELEMS(C));
    destroy_Dvector(F, NELEMS(F));

    status = 0;
end:
    /* shutdown QDP */
    printf0("end\n");
    QDP_finalize();
        
    return status;
}