14515233533

Committed 17 Apr 2025 12:06PM UTC coverage: 83.16% (-2.3%) from 85.414%

Build # 14515233533

Build Type

Pull #3087

github

Committed by

web-flow

Commit Message

Merge 6ed397e9d into 47ca2916a

Pull Request Pull Request #3087: wheel building with scikit build core

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140769 of 169274 relevant lines covered (83.16%)

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67.65

/src/bank.cpp

#include "openmc/bank.h"
#include "openmc/capi.h"
#include "openmc/error.h"
#include "openmc/ifp.h"
#include "openmc/message_passing.h"
#include "openmc/simulation.h"
#include "openmc/vector.h"

#include <cstdint>

namespace openmc {

//==============================================================================
// Global variables
//==============================================================================

namespace simulation {

vector<SourceSite> source_bank;

SharedArray<SourceSite> surf_source_bank;

// The fission bank is allocated as a SharedArray, rather than a vector, as it
// will be shared by all threads in the simulation. It will be allocated to a
// fixed maximum capacity in the init_fission_bank() function. Then, Elements
// will be added to it by using SharedArray's special thread_safe_append()
// function.
SharedArray<SourceSite> fission_bank;

vector<vector<int>> ifp_source_delayed_group_bank;

vector<vector<double>> ifp_source_lifetime_bank;

vector<vector<int>> ifp_fission_delayed_group_bank;

vector<vector<double>> ifp_fission_lifetime_bank;

// Each entry in this vector corresponds to the number of progeny produced
// this generation for the particle located at that index. This vector is
// used to efficiently sort the fission bank after each iteration.
vector<int64_t> progeny_per_particle;

} // namespace simulation

//==============================================================================
// Non-member functions
//==============================================================================

void free_memory_bank()
{
  simulation::source_bank.clear();
  simulation::surf_source_bank.clear();
  simulation::fission_bank.clear();
  simulation::progeny_per_particle.clear();
  simulation::ifp_source_delayed_group_bank.clear();
  simulation::ifp_source_lifetime_bank.clear();
  simulation::ifp_fission_delayed_group_bank.clear();
  simulation::ifp_fission_lifetime_bank.clear();
}

void init_fission_bank(int64_t max)
{
  simulation::fission_bank.reserve(max);
  simulation::progeny_per_particle.resize(simulation::work_per_rank);
}

// Performs an O(n) sort on the fission bank, by leveraging
// the parent_id and progeny_id fields of banked particles. See the following
// paper for more details:
// "Reproducibility and Monte Carlo Eigenvalue Calculations," F.B. Brown and
// T.M. Sutton, 1992 ANS Annual Meeting, Transactions of the American Nuclear
// Society, Volume 65, Page 235.
void sort_fission_bank()
{
  // Ensure we don't read off the end of the array if we ran with 0 particles
  if (simulation::progeny_per_particle.size() == 0) {
    return;
  }

  // Perform exclusive scan summation to determine starting indices in fission
  // bank for each parent particle id
  int64_t tmp = simulation::progeny_per_particle[0];
  simulation::progeny_per_particle[0] = 0;
  for (int64_t i = 1; i < simulation::progeny_per_particle.size(); i++) {
    int64_t value = simulation::progeny_per_particle[i - 1] + tmp;
    tmp = simulation::progeny_per_particle[i];
    simulation::progeny_per_particle[i] = value;
  }

  // TODO: C++17 introduces the exclusive_scan() function which could be
  // used to replace everything above this point in this function.

  // We need a scratch vector to make permutation of the fission bank into
  // sorted order easy. Under normal usage conditions, the fission bank is
  // over provisioned, so we can use that as scratch space.
  SourceSite* sorted_bank;
  vector<SourceSite> sorted_bank_holder;
  vector<vector<int>> sorted_ifp_delayed_group_bank;
  vector<vector<double>> sorted_ifp_lifetime_bank;

  // If there is not enough space, allocate a temporary vector and point to it
  if (simulation::fission_bank.size() >
      simulation::fission_bank.capacity() / 2) {
    sorted_bank_holder.resize(simulation::fission_bank.size());
    sorted_bank = sorted_bank_holder.data();
  } else { // otherwise, point sorted_bank to unused portion of the fission bank
    sorted_bank = &simulation::fission_bank[simulation::fission_bank.size()];
  }

  if (settings::ifp_on) {
    allocate_temporary_vector_ifp(
      sorted_ifp_delayed_group_bank, sorted_ifp_lifetime_bank);
  }

  // Use parent and progeny indices to sort fission bank
  for (int64_t i = 0; i < simulation::fission_bank.size(); i++) {
    const auto& site = simulation::fission_bank[i];
    int64_t offset = site.parent_id - 1 - simulation::work_index[mpi::rank];
    int64_t idx = simulation::progeny_per_particle[offset] + site.progeny_id;
    if (idx >= simulation::fission_bank.size()) {
      fatal_error("Mismatch detected between sum of all particle progeny and "
                  "shared fission bank size.");
    }
    sorted_bank[idx] = site;
    if (settings::ifp_on) {
      copy_ifp_data_from_fission_banks(
        i, sorted_ifp_delayed_group_bank[idx], sorted_ifp_lifetime_bank[idx]);
    }
  }

  // Copy sorted bank into the fission bank
  std::copy(sorted_bank, sorted_bank + simulation::fission_bank.size(),
    simulation::fission_bank.data());
  if (settings::ifp_on) {
    copy_ifp_data_to_fission_banks(
      sorted_ifp_delayed_group_bank.data(), sorted_ifp_lifetime_bank.data());
  }
}

//==============================================================================
// C API
//==============================================================================

extern "C" int openmc_source_bank(void** ptr, int64_t* n)
{
  if (!ptr || !n) {
    set_errmsg("Received null pointer.");
    return OPENMC_E_INVALID_ARGUMENT;
  }

  if (simulation::source_bank.size() == 0) {
    set_errmsg("Source bank has not been allocated.");
    return OPENMC_E_ALLOCATE;
  } else {
    *ptr = simulation::source_bank.data();
    *n = simulation::source_bank.size();
    return 0;
  }
}

extern "C" int openmc_fission_bank(void** ptr, int64_t* n)
{
  if (!ptr || !n) {
    set_errmsg("Received null pointer.");
    return OPENMC_E_INVALID_ARGUMENT;
  }

  if (simulation::fission_bank.size() == 0) {
    set_errmsg("Fission bank has not been allocated.");
    return OPENMC_E_ALLOCATE;
  } else {
    *ptr = simulation::fission_bank.data();
    *n = simulation::fission_bank.size();
    return 0;
  }
}

} // namespace openmc

1	#include "openmc/bank.h"
2	#include "openmc/capi.h"
3	#include "openmc/error.h"
4	#include "openmc/ifp.h"
5	#include "openmc/message_passing.h"
6	#include "openmc/simulation.h"
7	#include "openmc/vector.h"
8
9	#include <cstdint>
10
11	namespace openmc {
12
13	//==============================================================================
14	// Global variables
15	//==============================================================================
16
17	namespace simulation {
18
19	vector<SourceSite> source_bank;
20
21	SharedArray<SourceSite> surf_source_bank;
22
23	// The fission bank is allocated as a SharedArray, rather than a vector, as it
24	// will be shared by all threads in the simulation. It will be allocated to a
25	// fixed maximum capacity in the init_fission_bank() function. Then, Elements
26	// will be added to it by using SharedArray's special thread_safe_append()
27	// function.
28	SharedArray<SourceSite> fission_bank;
29
30	vector<vector<int>> ifp_source_delayed_group_bank;
31
32	vector<vector<double>> ifp_source_lifetime_bank;
33
34	vector<vector<int>> ifp_fission_delayed_group_bank;
35
36	vector<vector<double>> ifp_fission_lifetime_bank;
37
38	// Each entry in this vector corresponds to the number of progeny produced
39	// this generation for the particle located at that index. This vector is
40	// used to efficiently sort the fission bank after each iteration.
41	vector<int64_t> progeny_per_particle;
42
43	} // namespace simulation
44
45	//==============================================================================
46	// Non-member functions
47	//==============================================================================
48
49	void free_memory_bank()	5,405✔
50	{
51	simulation::source_bank.clear();	5,405✔
52	simulation::surf_source_bank.clear();	5,405✔
53	simulation::fission_bank.clear();	5,405✔
54	simulation::progeny_per_particle.clear();	5,405✔
55	simulation::ifp_source_delayed_group_bank.clear();	5,405✔
56	simulation::ifp_source_lifetime_bank.clear();	5,405✔
57	simulation::ifp_fission_delayed_group_bank.clear();	5,405✔
58	simulation::ifp_fission_lifetime_bank.clear();	5,405✔
59	}	5,405✔
60
61	void init_fission_bank(int64_t max)	2,980✔
62	{
63	simulation::fission_bank.reserve(max);	2,980✔
64	simulation::progeny_per_particle.resize(simulation::work_per_rank);	2,980✔
65	}	2,980✔
66
67	// Performs an O(n) sort on the fission bank, by leveraging
68	// the parent_id and progeny_id fields of banked particles. See the following
69	// paper for more details:
70	// "Reproducibility and Monte Carlo Eigenvalue Calculations," F.B. Brown and
71	// T.M. Sutton, 1992 ANS Annual Meeting, Transactions of the American Nuclear
72	// Society, Volume 65, Page 235.
73	void sort_fission_bank()	65,600✔
74	{
75	// Ensure we don't read off the end of the array if we ran with 0 particles
76	if (simulation::progeny_per_particle.size() == 0) {	65,600✔
77	return;	×
78	}
79
80	// Perform exclusive scan summation to determine starting indices in fission
81	// bank for each parent particle id
82	int64_t tmp = simulation::progeny_per_particle[0];	65,600✔
83	simulation::progeny_per_particle[0] = 0;	65,600✔
84	for (int64_t i = 1; i < simulation::progeny_per_particle.size(); i++) {	126,422,900✔
85	int64_t value = simulation::progeny_per_particle[i - 1] + tmp;	126,357,300✔
86	tmp = simulation::progeny_per_particle[i];	126,357,300✔
87	simulation::progeny_per_particle[i] = value;	126,357,300✔
88	}
89
90	// TODO: C++17 introduces the exclusive_scan() function which could be
91	// used to replace everything above this point in this function.
92
93	// We need a scratch vector to make permutation of the fission bank into
94	// sorted order easy. Under normal usage conditions, the fission bank is
95	// over provisioned, so we can use that as scratch space.
96	SourceSite* sorted_bank;
97	vector<SourceSite> sorted_bank_holder;	65,600✔
98	vector<vector<int>> sorted_ifp_delayed_group_bank;	65,600✔
99	vector<vector<double>> sorted_ifp_lifetime_bank;	65,600✔
100
101	// If there is not enough space, allocate a temporary vector and point to it
102	if (simulation::fission_bank.size() >	65,600✔
103	simulation::fission_bank.capacity() / 2) {	65,600✔
104	sorted_bank_holder.resize(simulation::fission_bank.size());	772✔
105	sorted_bank = sorted_bank_holder.data();	772✔
106	} else { // otherwise, point sorted_bank to unused portion of the fission bank
107	sorted_bank = &simulation::fission_bank[simulation::fission_bank.size()];	64,828✔
108	}
109
110	if (settings::ifp_on) {	65,600✔
111	allocate_temporary_vector_ifp(	320✔
112	sorted_ifp_delayed_group_bank, sorted_ifp_lifetime_bank);
113	}
114
115	// Use parent and progeny indices to sort fission bank
116	for (int64_t i = 0; i < simulation::fission_bank.size(); i++) {	126,370,200✔
117	const auto& site = simulation::fission_bank[i];	126,304,600✔
118	int64_t offset = site.parent_id - 1 - simulation::work_index[mpi::rank];	126,304,600✔
119	int64_t idx = simulation::progeny_per_particle[offset] + site.progeny_id;	126,304,600✔
120	if (idx >= simulation::fission_bank.size()) {	126,304,600✔
121	fatal_error("Mismatch detected between sum of all particle progeny and "	×
122	"shared fission bank size.");
123	}
124	sorted_bank[idx] = site;	126,304,600✔
125	if (settings::ifp_on) {	126,304,600✔
126	copy_ifp_data_from_fission_banks(	221,925✔
127	i, sorted_ifp_delayed_group_bank[idx], sorted_ifp_lifetime_bank[idx]);	221,925✔
128	}
129	}
130
131	// Copy sorted bank into the fission bank
132	std::copy(sorted_bank, sorted_bank + simulation::fission_bank.size(),	65,600✔
133	simulation::fission_bank.data());
134	if (settings::ifp_on) {	65,600✔
135	copy_ifp_data_to_fission_banks(	320✔
136	sorted_ifp_delayed_group_bank.data(), sorted_ifp_lifetime_bank.data());	320✔
137	}
138	}	65,600✔
139
140	//==============================================================================
141	// C API
142	//==============================================================================
143
144	extern "C" int openmc_source_bank(void** ptr, int64_t* n)	×
145	{
146	if (!ptr \|\| !n) {	×
147	set_errmsg("Received null pointer.");	×
148	return OPENMC_E_INVALID_ARGUMENT;	×
149	}
150
151	if (simulation::source_bank.size() == 0) {	×
152	set_errmsg("Source bank has not been allocated.");	×
153	return OPENMC_E_ALLOCATE;	×
154	} else {
155	*ptr = simulation::source_bank.data();	×
156	*n = simulation::source_bank.size();	×
157	return 0;	×
158	}
159	}
160
161	extern "C" int openmc_fission_bank(void** ptr, int64_t* n)	×
162	{
163	if (!ptr \|\| !n) {	×
164	set_errmsg("Received null pointer.");	×
165	return OPENMC_E_INVALID_ARGUMENT;	×
166	}
167
168	if (simulation::fission_bank.size() == 0) {	×
169	set_errmsg("Fission bank has not been allocated.");	×
170	return OPENMC_E_ALLOCATE;	×
171	} else {
172	*ptr = simulation::fission_bank.data();	×
173	*n = simulation::fission_bank.size();	×
174	return 0;	×
175	}
176	}
177
178	} // namespace openmc

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