void
make_rand_seed(void)
{
QDP_Int *li;
rand_state = QDP_create_S();
li = QDP_create_I();
QDP_I_eq_func(li, initial_li, QDP_all);
QDP_S_eq_seed_i_I(rand_state, iseed, li, QDP_all);
QDP_destroy_I(li);
}
static Real
qdp_relative_residue(QDP_D3_DiracFermion *p, QDP_D3_DiracFermion *q,
QDP_Subset subset)
{
QDP_D_Real *ratio, *num, *den, *ones;
QDP_Int *ok;
QLA_D_Real one = 1., residue;
num = QDP_D_create_R();
den = QDP_D_create_R();
ones = QDP_D_create_R();
QDP_D_R_eq_r(ones, &one, subset);
ratio = QDP_D_create_R();
ok = QDP_create_I();
QDP_D_R_eq_zero(ratio, subset);
QDP_D3_R_eq_norm2_D(num, p, subset);
QDP_D3_R_eq_norm2_D(den, q, subset);
/* Set mask to 1 if the denominator element is zero */
QDP_D_I_eq_R_eq_R(ok, ratio, den, subset);
/* Replace any zeros with ones in denominator to prevent division by zero */
QDP_D_R_eq_R_mask_I(den, ones, ok, subset);
/* Now take ratios */
QDP_D_R_eq_R_divide_R(ratio, num, den, subset);
/* Replace ratios with 1 where original denominator was zero */
QDP_D_R_eq_R_mask_I(ratio, ones, ok, subset);
/* Total the ratios */
QDP_D_r_eq_sum_R(&residue, ratio, subset);
QDP_D_destroy_R(num);
QDP_D_destroy_R(den);
QDP_D_destroy_R(ratio);
QDP_D_destroy_R(ones);
QDP_destroy_I(ok);
/* Normalize. Only choices are full volume and half-volume */
if(subset == QDP_all)
return residue/QDP_volume();
else
return 2*residue/QDP_volume();
}
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;
}
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;
}
