multicore.c File Reference

#include <nrnpthread.h>
#include <nrnmpi.h>

Include dependency graph for multicore.c:

Defines
#define	CACHELINE_ALLOC(name, type, size)   name = (type*)nrn_cacheline_alloc((void**)&name, size*sizeof(type))
#define	CACHELINE_CALLOC(name, type, size)   name = (type*)nrn_cacheline_calloc((void**)&name, size, sizeof(type))
#define	BENCHMARKING   0
#define	BENCHDECLARE
#define	BENCHBEGIN(arg)
#define	BENCHADD(arg)
#define	WAIT   wait_for_workers
#define	BS   0
Functions
void	nrn_thread_error (char *)
void	nrn_threads_free ()
void	nrn_old_thread_save ()
double	nrn_time ()
void	nrn_mk_table_check ()
void	nrn_malloc_lock ()
void	nrn_malloc_unlock ()
void	nrn_thread_stat ()
void	nrn_threads_create (int n, int parallel)
	FOR_THREADS (_nt)
	ForAllSections (sec)
	assert (order==section_count)
	if (nrn_multisplit_setup_)
void	nrn_thread_table_check ()
void	nrn_hoc_lock ()
void	nrn_hoc_unlock ()
void	nrn_multithread_job (void *(*job)(NrnThread *))
void	nrn_onethread_job (int i, void *(*job)(NrnThread *))
void	nrn_wait_for_threads ()
void	nrn_thread_partition ()
int	nrn_user_partition ()
	for (it=0;it< nrn_nthread;++it)
	if (n!=nrn_global_ncell)
void	nrn_thread_partition (int it, Object *sl)
void	nrn_use_busywait (int b)
int	nrn_allow_busywait (int b)
int	nrn_how_many_processors ()
Variables
int	nrn_nthread
NrnThread *	nrn_threads
void(*	nrn_mk_transfer_thread_data_ )()
int	nrn_inthread_
	order = 0
	n = 0
	return

---

Define Documentation

#define BENCHADD

(

arg

)

Referenced by nrn_multithread_job(), and nrn_onethread_job().

#define BENCHBEGIN

(

arg

)

Referenced by nrn_multithread_job(), and nrn_onethread_job().

#define BENCHDECLARE

Referenced by nrn_multithread_job(), and nrn_onethread_job().

#define BENCHMARKING   0

#define BS   0

Referenced by nrn_thread_stat(), and nrn_threads_create().

#define CACHELINE_ALLOC	(	name,
		type,
		size		)	name = (type*)nrn_cacheline_alloc((void**)&name, size*sizeof(type))

Referenced by nrn_threads_create().

#define CACHELINE_CALLOC	(	name,
		type,
		size		)	name = (type*)nrn_cacheline_calloc((void**)&name, size, sizeof(type))

#define WAIT   wait_for_workers

Referenced by nrn_multithread_job(), and nrn_onethread_job().

---

Function Documentation

assert

(

order

= =section_count

)

for

(

)

References buf, hoc_execerror(), hocSEC, ITERATE, n, Section::parentsec, secname(), and Section::volatile_mark.

Referenced by SaveState::restorenet(), and SaveState::savenet().

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FOR_THREADS

(

_nt

)

References Node::_d, and Node::_rhs.

ForAllSections

(

sec

)

if

(

n!

= nrn_global_ncell

)

References buf, hoc_execerror(), n, and nrn_global_ncell.

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if

(

nrn_multisplit_setup_

)

References nrn_multisplit_ptr_update().

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int nrn_allow_busywait

(

int

b

)

void nrn_hoc_lock

(

)

References nrn_inthread_.

void nrn_hoc_unlock

(

)

int nrn_how_many_processors

(

)

void nrn_malloc_lock

(

)

void nrn_malloc_unlock

(

)

void nrn_mk_table_check

(

)

References Datum::_pvoid, emalloc, Datum::i, id, NrnThreadMembList::index, index, memb_func, NrnThreadMembList::next, and NrnThread::tml.

Referenced by KSChan::usetable().

void nrn_multithread_job

(

void *(*)(NrnThread *)

job

)

References BENCHADD, BENCHBEGIN, BENCHDECLARE, nrn_inthread_, and WAIT.

Referenced by fcurrent(), N_VAbs_NrnThread(), N_VAbs_NrnThreadLD(), N_VAddConst_NrnThread(), N_VAddConst_NrnThreadLD(), N_VCompare_NrnThread(), N_VCompare_NrnThreadLD(), N_VConst_NrnThread(), N_VConst_NrnThreadLD(), N_VConstrMask_NrnThread(), N_VConstrMask_NrnThreadLD(), N_VDiv_NrnThread(), N_VDiv_NrnThreadLD(), N_VDotProd_NrnThread(), N_VDotProd_NrnThreadLD(), N_VInv_NrnThread(), N_VInv_NrnThreadLD(), N_VInvTest_NrnThread(), N_VInvTest_NrnThreadLD(), N_VL1Norm_NrnThread(), N_VL1Norm_NrnThreadLD(), N_VLinearSum_NrnThread(), N_VLinearSum_NrnThreadLD(), N_VMaxNorm_NrnThread(), N_VMaxNorm_NrnThreadLD(), N_VMin_NrnThread(), N_VMin_NrnThreadLD(), N_VMinQuotient_NrnThread(), N_VMinQuotient_NrnThreadLD(), N_VOneMask_NrnThread(), N_VOneMask_NrnThreadLD(), N_VProd_NrnThread(), N_VProd_NrnThreadLD(), N_VScale_NrnThread(), N_VScale_NrnThreadLD(), N_VWL2Norm_NrnThread(), N_VWL2Norm_NrnThreadLD(), N_VWrmsNorm_NrnThread(), N_VWrmsNorm_NrnThreadLD(), N_VWrmsNormMask_NrnThread(), N_VWrmsNormMask_NrnThreadLD(), nrn_daspk_init_step(), nrn_fixed_step(), nrn_fixed_step_group(), and nrn_use_busywait().

void nrn_old_thread_save

(

)

Referenced by nrn_threads_free().

void nrn_onethread_job	(	int	i,
		void *(*)(NrnThread *)	job
	)

References assert, BENCHADD, BENCHBEGIN, BENCHDECLARE, and WAIT.

void nrn_thread_error

(

char *

s

)

References hoc_execerror().

Referenced by Imp::check(), linmod_alloc(), nrn_lhs(), nrn_rhs(), and nrn_solve().

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void nrn_thread_partition	(	int	it,
		Object *	sl
	)

References assert, hoc_obj_ref(), hoc_obj_unref(), NrnThread::roots, NrnThread::userpart, and v_structure_change.

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void nrn_thread_partition

(

)

Referenced by nrn_user_partition().

void nrn_thread_stat

(

)

References BS, buf, fprintf(), n, nrnmpi_myid, and nrnmpi_numprocs.

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void nrn_thread_table_check

(

)

References Memb_list::_thread, Memb_list::data, Datum::i, NrnThreadMembList::index, memb_func, NrnThreadMembList::ml, Memb_list::pdata, and Memb_func::thread_table_check_.

Referenced by fcurrent(), nrn_daspk_init_step(), nrn_finitialize(), nrn_fixed_step(), and nrn_fixed_step_group().

void nrn_threads_create	(	int	n,
		int	parallel
	)

References NrnThread::_actual_a, NrnThread::_actual_area, NrnThread::_actual_b, NrnThread::_actual_d, NrnThread::_actual_rhs, NrnThread::_actual_v, NrnThread::_ctime, NrnThread::_dt, NrnThread::_ecell_memb_list, NrnThread::_sp13mat, NrnThread::_stop_stepping, NrnThread::_t, NrnThread::_v_node, NrnThread::_v_parent, NrnThread::_v_parent_index, NrnThread::_vcv, BEFORE_AFTER_SIZE, BS, CACHELINE_ALLOC, diam_changed, NrnThread::end, hoc_obj_unref(), NrnThread::id, NrnThread::ncell, nrn_threads_free(), NrnThread::roots, NrnThread::tbl, NrnThread::tml, NrnThread::userpart, and v_structure_change.

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void nrn_threads_free

(

)

References NrnThread::_actual_a, NrnThread::_actual_area, NrnThread::_actual_b, NrnThread::_actual_d, NrnThread::_actual_rhs, NrnThread::_actual_v, NrnThread::_ecell_memb_list, NrnThread::_sp13mat, Memb_list::_thread, NrnThread::_v_node, NrnThread::_v_parent, NrnThread::_v_parent_index, NrnThread::_vcv, BEFORE_AFTER_SIZE, Memb_list::data, NrnThread::end, Memb_func::hoc_mech, NrnThreadMembList::index, memb_func, NrnThreadMembList::ml, NrnThread::ncell, NrnThreadBAList::next, NrnThreadMembList::next, Memb_list::nodelist, nrn_old_thread_save(), Memb_list::pdata, Memb_list::prop, NrnThread::roots, NrnThread::tbl, Memb_func::thread_cleanup_, NrnThread::tml, and NrnThread::userpart.

Referenced by nrn_threads_create().

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double nrn_time

(

)

References time.

Referenced by hoc_startsw().

void nrn_use_busywait

(

int

b

)

References nrn_multithread_job().

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int nrn_user_partition

(

)

References b, buf, FOR_THREADS, ForAllSections, hoc_execerror(), hocSEC, ITERATE, n, nrn_thread_partition(), Section::prop, NrnThread::roots, NrnThread::userpart, and Section::volatile_mark.

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void nrn_wait_for_threads

(

)

---

Variable Documentation

n = 0

int nrn_inthread_

Referenced by nrn_hoc_lock(), and nrn_multithread_job().

void(* nrn_mk_transfer_thread_data_)()

Referenced by nrn_partrans_clear(), and nrnmpi_setup_transfer().

int nrn_nthread

Referenced by fclamp(), frecord_init(), fstim(), fsyn(), nrn_cache_prop_realloc(), nrn_finitialize(), nrn_prop_is_cache_efficient(), nrn_spike_exchange_init(), MultiSplitControl::pmat(), MultiSplitControl::pmat1(), MultiSplitControl::pmatf(), ReducedTree::pr_map(), MultiSplitControl::prstruct(), Imp::setmat1(), Imp::solve(), and MultiSplitControl::v_setup().

NrnThread* nrn_threads

Referenced by _modl_set_dt(), MatrixMap::alloc(), Imp::alloc(), Imp::check(), NonLinImp::compute(), NonLinImpRep::current(), NonLinImpRep::delta(), NonLinImpRep::dids(), NonLinImpRep::didv(), LinearModelAddition::dkmap(), NonLinImpRep::dsds(), NonLinImpRep::dsdv(), BGP_ReceiveBuffer::enqueue(), erand(), MultiSplitControl::exchange_setup(), fmatrix(), frecord_init(), KSSingle::init(), LinearModelAddition::lhs(), linmod_alloc(), Imp::LUDecomp(), MultiSplitControl::matrix_exchange(), MultiSplitControl::matrix_exchange_nocap(), NonLinImpRep::NonLinImpRep(), nrn_cache_prop_realloc(), nrn_daspk_init_step(), nrn_fake_fire(), nrn_finitialize(), nrn_fixed_step(), nrn_fixed_step_group(), nrn_matrix_node_alloc(), nrn_multisplit_nocap_v(), nrn_prop_is_cache_efficient(), nrn_spike_exchange_init(), NonLinImpRep::ode(), NrnMusicEventHandler::operator()(), MultiSplitControl::pexch(), MultiSplitControl::pmat(), MultiSplitControl::pmat1(), MultiSplitControl::pmatf(), ReducedTree::pr_map(), MultiSplitControl::prstruct(), LinearModelAddition::rhs(), MultiSplitControl::rt_map_update(), BGP_DMASend::send(), Imp::setmat(), Imp::setmat1(), NonLinImp::solve(), MultiSplitControl::solve(), Imp::solve(), LinearModelAddition::update(), KSChan::usetable(), and MultiSplitControl::v_setup().

order = 0

Referenced by for(), ForAllSections(), ReducedTree::reorder(), and section_order().

return

Referenced by hoc_fmenu().