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kmp_gsupport.cpp
2089 lines (1886 loc) · 93.5 KB
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kmp_gsupport.cpp
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/*
* kmp_gsupport.cpp
*/
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "kmp.h"
#include "kmp_atomic.h"
#if OMPT_SUPPORT
#include "ompt-specific.h"
#endif
enum {
KMP_GOMP_TASK_UNTIED_FLAG = 1,
KMP_GOMP_TASK_FINAL_FLAG = 2,
KMP_GOMP_TASK_DEPENDS_FLAG = 8
};
// This class helps convert gomp dependency info into
// kmp_depend_info_t structures
class kmp_gomp_depends_info_t {
void **depend;
kmp_int32 num_deps;
size_t num_out, num_mutexinout, num_in;
size_t offset;
public:
kmp_gomp_depends_info_t(void **depend) : depend(depend) {
size_t ndeps = (kmp_intptr_t)depend[0];
size_t num_doable;
// GOMP taskdep structure:
// if depend[0] != 0:
// depend = [ ndeps | nout | &out | ... | &out | &in | ... | &in ]
//
// if depend[0] == 0:
// depend = [ 0 | ndeps | nout | nmtx | nin | &out | ... | &out | &mtx |
// ... | &mtx | &in | ... | &in | &depobj | ... | &depobj ]
if (ndeps) {
num_out = (kmp_intptr_t)depend[1];
num_in = ndeps - num_out;
num_mutexinout = 0;
num_doable = ndeps;
offset = 2;
} else {
ndeps = (kmp_intptr_t)depend[1];
num_out = (kmp_intptr_t)depend[2];
num_mutexinout = (kmp_intptr_t)depend[3];
num_in = (kmp_intptr_t)depend[4];
num_doable = num_out + num_mutexinout + num_in;
offset = 5;
}
// TODO: Support gomp depobj
if (ndeps != num_doable) {
KMP_FATAL(GompFeatureNotSupported, "depobj");
}
num_deps = static_cast<kmp_int32>(ndeps);
}
kmp_int32 get_num_deps() const { return num_deps; }
kmp_depend_info_t get_kmp_depend(size_t index) const {
kmp_depend_info_t retval;
memset(&retval, '\0', sizeof(retval));
KMP_ASSERT(index < (size_t)num_deps);
retval.base_addr = (kmp_intptr_t)depend[offset + index];
retval.len = 0;
// Because inout and out are logically equivalent,
// use inout and in dependency flags. GOMP does not provide a
// way to distinguish if user specified out vs. inout.
if (index < num_out) {
retval.flags.in = 1;
retval.flags.out = 1;
} else if (index >= num_out && index < (num_out + num_mutexinout)) {
retval.flags.mtx = 1;
} else {
retval.flags.in = 1;
}
return retval;
}
};
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#define MKLOC(loc, routine) \
static ident_t loc = {0, KMP_IDENT_KMPC, 0, 0, ";unknown;unknown;0;0;;"};
#include "kmp_ftn_os.h"
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_BARRIER)(void) {
int gtid = __kmp_entry_gtid();
MKLOC(loc, "GOMP_barrier");
KA_TRACE(20, ("GOMP_barrier: T#%d\n", gtid));
#if OMPT_SUPPORT && OMPT_OPTIONAL
ompt_frame_t *ompt_frame;
if (ompt_enabled.enabled) {
__ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
ompt_frame->enter_frame.ptr = OMPT_GET_FRAME_ADDRESS(0);
OMPT_STORE_RETURN_ADDRESS(gtid);
}
#endif
__kmpc_barrier(&loc, gtid);
#if OMPT_SUPPORT && OMPT_OPTIONAL
if (ompt_enabled.enabled) {
ompt_frame->enter_frame = ompt_data_none;
}
#endif
}
// Mutual exclusion
// The symbol that icc/ifort generates for unnamed for unnamed critical sections
// - .gomp_critical_user_ - is defined using .comm in any objects reference it.
// We can't reference it directly here in C code, as the symbol contains a ".".
//
// The RTL contains an assembly language definition of .gomp_critical_user_
// with another symbol __kmp_unnamed_critical_addr initialized with it's
// address.
extern kmp_critical_name *__kmp_unnamed_critical_addr;
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_CRITICAL_START)(void) {
int gtid = __kmp_entry_gtid();
MKLOC(loc, "GOMP_critical_start");
KA_TRACE(20, ("GOMP_critical_start: T#%d\n", gtid));
#if OMPT_SUPPORT && OMPT_OPTIONAL
OMPT_STORE_RETURN_ADDRESS(gtid);
#endif
__kmpc_critical(&loc, gtid, __kmp_unnamed_critical_addr);
}
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_CRITICAL_END)(void) {
int gtid = __kmp_get_gtid();
MKLOC(loc, "GOMP_critical_end");
KA_TRACE(20, ("GOMP_critical_end: T#%d\n", gtid));
#if OMPT_SUPPORT && OMPT_OPTIONAL
OMPT_STORE_RETURN_ADDRESS(gtid);
#endif
__kmpc_end_critical(&loc, gtid, __kmp_unnamed_critical_addr);
}
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_CRITICAL_NAME_START)(void **pptr) {
int gtid = __kmp_entry_gtid();
MKLOC(loc, "GOMP_critical_name_start");
KA_TRACE(20, ("GOMP_critical_name_start: T#%d\n", gtid));
__kmpc_critical(&loc, gtid, (kmp_critical_name *)pptr);
}
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_CRITICAL_NAME_END)(void **pptr) {
int gtid = __kmp_get_gtid();
MKLOC(loc, "GOMP_critical_name_end");
KA_TRACE(20, ("GOMP_critical_name_end: T#%d\n", gtid));
__kmpc_end_critical(&loc, gtid, (kmp_critical_name *)pptr);
}
// The Gnu codegen tries to use locked operations to perform atomic updates
// inline. If it can't, then it calls GOMP_atomic_start() before performing
// the update and GOMP_atomic_end() afterward, regardless of the data type.
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_ATOMIC_START)(void) {
int gtid = __kmp_entry_gtid();
KA_TRACE(20, ("GOMP_atomic_start: T#%d\n", gtid));
#if OMPT_SUPPORT
__ompt_thread_assign_wait_id(0);
#endif
__kmp_acquire_atomic_lock(&__kmp_atomic_lock, gtid);
}
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_ATOMIC_END)(void) {
int gtid = __kmp_get_gtid();
KA_TRACE(20, ("GOMP_atomic_end: T#%d\n", gtid));
__kmp_release_atomic_lock(&__kmp_atomic_lock, gtid);
}
int KMP_EXPAND_NAME(KMP_API_NAME_GOMP_SINGLE_START)(void) {
int gtid = __kmp_entry_gtid();
MKLOC(loc, "GOMP_single_start");
KA_TRACE(20, ("GOMP_single_start: T#%d\n", gtid));
if (!TCR_4(__kmp_init_parallel))
__kmp_parallel_initialize();
__kmp_resume_if_soft_paused();
// 3rd parameter == FALSE prevents kmp_enter_single from pushing a
// workshare when USE_CHECKS is defined. We need to avoid the push,
// as there is no corresponding GOMP_single_end() call.
kmp_int32 rc = __kmp_enter_single(gtid, &loc, FALSE);
#if OMPT_SUPPORT && OMPT_OPTIONAL
kmp_info_t *this_thr = __kmp_threads[gtid];
kmp_team_t *team = this_thr->th.th_team;
int tid = __kmp_tid_from_gtid(gtid);
if (ompt_enabled.enabled) {
if (rc) {
if (ompt_enabled.ompt_callback_work) {
ompt_callbacks.ompt_callback(ompt_callback_work)(
ompt_work_single_executor, ompt_scope_begin,
&(team->t.ompt_team_info.parallel_data),
&(team->t.t_implicit_task_taskdata[tid].ompt_task_info.task_data),
1, OMPT_GET_RETURN_ADDRESS(0));
}
} else {
if (ompt_enabled.ompt_callback_work) {
ompt_callbacks.ompt_callback(ompt_callback_work)(
ompt_work_single_other, ompt_scope_begin,
&(team->t.ompt_team_info.parallel_data),
&(team->t.t_implicit_task_taskdata[tid].ompt_task_info.task_data),
1, OMPT_GET_RETURN_ADDRESS(0));
ompt_callbacks.ompt_callback(ompt_callback_work)(
ompt_work_single_other, ompt_scope_end,
&(team->t.ompt_team_info.parallel_data),
&(team->t.t_implicit_task_taskdata[tid].ompt_task_info.task_data),
1, OMPT_GET_RETURN_ADDRESS(0));
}
}
}
#endif
return rc;
}
void *KMP_EXPAND_NAME(KMP_API_NAME_GOMP_SINGLE_COPY_START)(void) {
void *retval;
int gtid = __kmp_entry_gtid();
MKLOC(loc, "GOMP_single_copy_start");
KA_TRACE(20, ("GOMP_single_copy_start: T#%d\n", gtid));
if (!TCR_4(__kmp_init_parallel))
__kmp_parallel_initialize();
__kmp_resume_if_soft_paused();
// If this is the first thread to enter, return NULL. The generated code will
// then call GOMP_single_copy_end() for this thread only, with the
// copyprivate data pointer as an argument.
if (__kmp_enter_single(gtid, &loc, FALSE))
return NULL;
// Wait for the first thread to set the copyprivate data pointer,
// and for all other threads to reach this point.
#if OMPT_SUPPORT && OMPT_OPTIONAL
ompt_frame_t *ompt_frame;
if (ompt_enabled.enabled) {
__ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
ompt_frame->enter_frame.ptr = OMPT_GET_FRAME_ADDRESS(0);
OMPT_STORE_RETURN_ADDRESS(gtid);
}
#endif
__kmp_barrier(bs_plain_barrier, gtid, FALSE, 0, NULL, NULL);
// Retrieve the value of the copyprivate data point, and wait for all
// threads to do likewise, then return.
retval = __kmp_team_from_gtid(gtid)->t.t_copypriv_data;
#if OMPT_SUPPORT && OMPT_OPTIONAL
if (ompt_enabled.enabled) {
OMPT_STORE_RETURN_ADDRESS(gtid);
}
#endif
__kmp_barrier(bs_plain_barrier, gtid, FALSE, 0, NULL, NULL);
#if OMPT_SUPPORT && OMPT_OPTIONAL
if (ompt_enabled.enabled) {
ompt_frame->enter_frame = ompt_data_none;
}
#endif
return retval;
}
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_SINGLE_COPY_END)(void *data) {
int gtid = __kmp_get_gtid();
KA_TRACE(20, ("GOMP_single_copy_end: T#%d\n", gtid));
// Set the copyprivate data pointer fo the team, then hit the barrier so that
// the other threads will continue on and read it. Hit another barrier before
// continuing, so that the know that the copyprivate data pointer has been
// propagated to all threads before trying to reuse the t_copypriv_data field.
__kmp_team_from_gtid(gtid)->t.t_copypriv_data = data;
#if OMPT_SUPPORT && OMPT_OPTIONAL
ompt_frame_t *ompt_frame;
if (ompt_enabled.enabled) {
__ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
ompt_frame->enter_frame.ptr = OMPT_GET_FRAME_ADDRESS(0);
OMPT_STORE_RETURN_ADDRESS(gtid);
}
#endif
__kmp_barrier(bs_plain_barrier, gtid, FALSE, 0, NULL, NULL);
#if OMPT_SUPPORT && OMPT_OPTIONAL
if (ompt_enabled.enabled) {
OMPT_STORE_RETURN_ADDRESS(gtid);
}
#endif
__kmp_barrier(bs_plain_barrier, gtid, FALSE, 0, NULL, NULL);
#if OMPT_SUPPORT && OMPT_OPTIONAL
if (ompt_enabled.enabled) {
ompt_frame->enter_frame = ompt_data_none;
}
#endif
}
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_ORDERED_START)(void) {
int gtid = __kmp_entry_gtid();
MKLOC(loc, "GOMP_ordered_start");
KA_TRACE(20, ("GOMP_ordered_start: T#%d\n", gtid));
#if OMPT_SUPPORT && OMPT_OPTIONAL
OMPT_STORE_RETURN_ADDRESS(gtid);
#endif
__kmpc_ordered(&loc, gtid);
}
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_ORDERED_END)(void) {
int gtid = __kmp_get_gtid();
MKLOC(loc, "GOMP_ordered_end");
KA_TRACE(20, ("GOMP_ordered_start: T#%d\n", gtid));
#if OMPT_SUPPORT && OMPT_OPTIONAL
OMPT_STORE_RETURN_ADDRESS(gtid);
#endif
__kmpc_end_ordered(&loc, gtid);
}
// Dispatch macro defs
//
// They come in two flavors: 64-bit unsigned, and either 32-bit signed
// (IA-32 architecture) or 64-bit signed (Intel(R) 64).
#if KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS
#define KMP_DISPATCH_INIT __kmp_aux_dispatch_init_4
#define KMP_DISPATCH_FINI_CHUNK __kmp_aux_dispatch_fini_chunk_4
#define KMP_DISPATCH_NEXT __kmpc_dispatch_next_4
#else
#define KMP_DISPATCH_INIT __kmp_aux_dispatch_init_8
#define KMP_DISPATCH_FINI_CHUNK __kmp_aux_dispatch_fini_chunk_8
#define KMP_DISPATCH_NEXT __kmpc_dispatch_next_8
#endif /* KMP_ARCH_X86 */
#define KMP_DISPATCH_INIT_ULL __kmp_aux_dispatch_init_8u
#define KMP_DISPATCH_FINI_CHUNK_ULL __kmp_aux_dispatch_fini_chunk_8u
#define KMP_DISPATCH_NEXT_ULL __kmpc_dispatch_next_8u
// The parallel construct
#ifndef KMP_DEBUG
static
#endif /* KMP_DEBUG */
void
__kmp_GOMP_microtask_wrapper(int *gtid, int *npr, void (*task)(void *),
void *data) {
#if OMPT_SUPPORT
kmp_info_t *thr;
ompt_frame_t *ompt_frame;
ompt_state_t enclosing_state;
if (ompt_enabled.enabled) {
// get pointer to thread data structure
thr = __kmp_threads[*gtid];
// save enclosing task state; set current state for task
enclosing_state = thr->th.ompt_thread_info.state;
thr->th.ompt_thread_info.state = ompt_state_work_parallel;
// set task frame
__ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
ompt_frame->exit_frame.ptr = OMPT_GET_FRAME_ADDRESS(0);
}
#endif
task(data);
#if OMPT_SUPPORT
if (ompt_enabled.enabled) {
// clear task frame
ompt_frame->exit_frame = ompt_data_none;
// restore enclosing state
thr->th.ompt_thread_info.state = enclosing_state;
}
#endif
}
#ifndef KMP_DEBUG
static
#endif /* KMP_DEBUG */
void
__kmp_GOMP_parallel_microtask_wrapper(int *gtid, int *npr,
void (*task)(void *), void *data,
unsigned num_threads, ident_t *loc,
enum sched_type schedule, long start,
long end, long incr,
long chunk_size) {
// Initialize the loop worksharing construct.
KMP_DISPATCH_INIT(loc, *gtid, schedule, start, end, incr, chunk_size,
schedule != kmp_sch_static);
#if OMPT_SUPPORT
kmp_info_t *thr;
ompt_frame_t *ompt_frame;
ompt_state_t enclosing_state;
if (ompt_enabled.enabled) {
thr = __kmp_threads[*gtid];
// save enclosing task state; set current state for task
enclosing_state = thr->th.ompt_thread_info.state;
thr->th.ompt_thread_info.state = ompt_state_work_parallel;
// set task frame
__ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
ompt_frame->exit_frame.ptr = OMPT_GET_FRAME_ADDRESS(0);
}
#endif
// Now invoke the microtask.
task(data);
#if OMPT_SUPPORT
if (ompt_enabled.enabled) {
// clear task frame
ompt_frame->exit_frame = ompt_data_none;
// reset enclosing state
thr->th.ompt_thread_info.state = enclosing_state;
}
#endif
}
static void __kmp_GOMP_fork_call(ident_t *loc, int gtid, unsigned num_threads,
unsigned flags, void (*unwrapped_task)(void *),
microtask_t wrapper, int argc, ...) {
int rc;
kmp_info_t *thr = __kmp_threads[gtid];
kmp_team_t *team = thr->th.th_team;
int tid = __kmp_tid_from_gtid(gtid);
va_list ap;
va_start(ap, argc);
if (num_threads != 0)
__kmp_push_num_threads(loc, gtid, num_threads);
if (flags != 0)
__kmp_push_proc_bind(loc, gtid, (kmp_proc_bind_t)flags);
rc = __kmp_fork_call(loc, gtid, fork_context_gnu, argc, wrapper,
__kmp_invoke_task_func, kmp_va_addr_of(ap));
va_end(ap);
if (rc) {
__kmp_run_before_invoked_task(gtid, tid, thr, team);
}
#if OMPT_SUPPORT
int ompt_team_size;
if (ompt_enabled.enabled) {
ompt_team_info_t *team_info = __ompt_get_teaminfo(0, NULL);
ompt_task_info_t *task_info = __ompt_get_task_info_object(0);
// implicit task callback
if (ompt_enabled.ompt_callback_implicit_task) {
ompt_team_size = __kmp_team_from_gtid(gtid)->t.t_nproc;
ompt_callbacks.ompt_callback(ompt_callback_implicit_task)(
ompt_scope_begin, &(team_info->parallel_data),
&(task_info->task_data), ompt_team_size, __kmp_tid_from_gtid(gtid), ompt_task_implicit); // TODO: Can this be ompt_task_initial?
task_info->thread_num = __kmp_tid_from_gtid(gtid);
}
thr->th.ompt_thread_info.state = ompt_state_work_parallel;
}
#endif
}
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_START)(void (*task)(void *),
void *data,
unsigned num_threads) {
int gtid = __kmp_entry_gtid();
#if OMPT_SUPPORT
ompt_frame_t *parent_frame, *frame;
if (ompt_enabled.enabled) {
__ompt_get_task_info_internal(0, NULL, NULL, &parent_frame, NULL, NULL);
parent_frame->enter_frame.ptr = OMPT_GET_FRAME_ADDRESS(0);
OMPT_STORE_RETURN_ADDRESS(gtid);
}
#endif
MKLOC(loc, "GOMP_parallel_start");
KA_TRACE(20, ("GOMP_parallel_start: T#%d\n", gtid));
__kmp_GOMP_fork_call(&loc, gtid, num_threads, 0u, task,
(microtask_t)__kmp_GOMP_microtask_wrapper, 2, task,
data);
#if OMPT_SUPPORT
if (ompt_enabled.enabled) {
__ompt_get_task_info_internal(0, NULL, NULL, &frame, NULL, NULL);
frame->exit_frame.ptr = OMPT_GET_FRAME_ADDRESS(0);
}
#endif
}
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_END)(void) {
int gtid = __kmp_get_gtid();
kmp_info_t *thr;
thr = __kmp_threads[gtid];
MKLOC(loc, "GOMP_parallel_end");
KA_TRACE(20, ("GOMP_parallel_end: T#%d\n", gtid));
if (!thr->th.th_team->t.t_serialized) {
__kmp_run_after_invoked_task(gtid, __kmp_tid_from_gtid(gtid), thr,
thr->th.th_team);
}
#if OMPT_SUPPORT
if (ompt_enabled.enabled) {
// Implicit task is finished here, in the barrier we might schedule
// deferred tasks,
// these don't see the implicit task on the stack
OMPT_CUR_TASK_INFO(thr)->frame.exit_frame = ompt_data_none;
}
#endif
__kmp_join_call(&loc, gtid
#if OMPT_SUPPORT
,
fork_context_gnu
#endif
);
}
// Loop worksharing constructs
// The Gnu codegen passes in an exclusive upper bound for the overall range,
// but the libguide dispatch code expects an inclusive upper bound, hence the
// "end - incr" 5th argument to KMP_DISPATCH_INIT (and the " ub - str" 11th
// argument to __kmp_GOMP_fork_call).
//
// Conversely, KMP_DISPATCH_NEXT returns and inclusive upper bound in *p_ub,
// but the Gnu codegen expects an exclusive upper bound, so the adjustment
// "*p_ub += stride" compensates for the discrepancy.
//
// Correction: the gnu codegen always adjusts the upper bound by +-1, not the
// stride value. We adjust the dispatch parameters accordingly (by +-1), but
// we still adjust p_ub by the actual stride value.
//
// The "runtime" versions do not take a chunk_sz parameter.
//
// The profile lib cannot support construct checking of unordered loops that
// are predetermined by the compiler to be statically scheduled, as the gcc
// codegen will not always emit calls to GOMP_loop_static_next() to get the
// next iteration. Instead, it emits inline code to call omp_get_thread_num()
// num and calculate the iteration space using the result. It doesn't do this
// with ordered static loop, so they can be checked.
#if OMPT_SUPPORT
#define IF_OMPT_SUPPORT(code) code
#else
#define IF_OMPT_SUPPORT(code)
#endif
#define LOOP_START(func, schedule) \
int func(long lb, long ub, long str, long chunk_sz, long *p_lb, \
long *p_ub) { \
int status; \
long stride; \
int gtid = __kmp_entry_gtid(); \
MKLOC(loc, KMP_STR(func)); \
KA_TRACE( \
20, \
(KMP_STR( \
func) ": T#%d, lb 0x%lx, ub 0x%lx, str 0x%lx, chunk_sz 0x%lx\n", \
gtid, lb, ub, str, chunk_sz)); \
\
if ((str > 0) ? (lb < ub) : (lb > ub)) { \
{ \
IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid);) \
KMP_DISPATCH_INIT(&loc, gtid, (schedule), lb, \
(str > 0) ? (ub - 1) : (ub + 1), str, chunk_sz, \
(schedule) != kmp_sch_static); \
} \
{ \
IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid);) \
status = KMP_DISPATCH_NEXT(&loc, gtid, NULL, (kmp_int *)p_lb, \
(kmp_int *)p_ub, (kmp_int *)&stride); \
} \
if (status) { \
KMP_DEBUG_ASSERT(stride == str); \
*p_ub += (str > 0) ? 1 : -1; \
} \
} else { \
status = 0; \
} \
\
KA_TRACE( \
20, \
(KMP_STR( \
func) " exit: T#%d, *p_lb 0x%lx, *p_ub 0x%lx, returning %d\n", \
gtid, *p_lb, *p_ub, status)); \
return status; \
}
#define LOOP_RUNTIME_START(func, schedule) \
int func(long lb, long ub, long str, long *p_lb, long *p_ub) { \
int status; \
long stride; \
long chunk_sz = 0; \
int gtid = __kmp_entry_gtid(); \
MKLOC(loc, KMP_STR(func)); \
KA_TRACE( \
20, \
(KMP_STR(func) ": T#%d, lb 0x%lx, ub 0x%lx, str 0x%lx, chunk_sz %d\n", \
gtid, lb, ub, str, chunk_sz)); \
\
if ((str > 0) ? (lb < ub) : (lb > ub)) { \
{ \
IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid);) \
KMP_DISPATCH_INIT(&loc, gtid, (schedule), lb, \
(str > 0) ? (ub - 1) : (ub + 1), str, chunk_sz, \
TRUE); \
} \
{ \
IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid);) \
status = KMP_DISPATCH_NEXT(&loc, gtid, NULL, (kmp_int *)p_lb, \
(kmp_int *)p_ub, (kmp_int *)&stride); \
} \
if (status) { \
KMP_DEBUG_ASSERT(stride == str); \
*p_ub += (str > 0) ? 1 : -1; \
} \
} else { \
status = 0; \
} \
\
KA_TRACE( \
20, \
(KMP_STR( \
func) " exit: T#%d, *p_lb 0x%lx, *p_ub 0x%lx, returning %d\n", \
gtid, *p_lb, *p_ub, status)); \
return status; \
}
#define KMP_DOACROSS_FINI(status, gtid) \
if (!status && __kmp_threads[gtid]->th.th_dispatch->th_doacross_flags) { \
__kmpc_doacross_fini(NULL, gtid); \
}
#define LOOP_NEXT(func, fini_code) \
int func(long *p_lb, long *p_ub) { \
int status; \
long stride; \
int gtid = __kmp_get_gtid(); \
MKLOC(loc, KMP_STR(func)); \
KA_TRACE(20, (KMP_STR(func) ": T#%d\n", gtid)); \
\
IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid);) \
fini_code status = KMP_DISPATCH_NEXT(&loc, gtid, NULL, (kmp_int *)p_lb, \
(kmp_int *)p_ub, (kmp_int *)&stride); \
if (status) { \
*p_ub += (stride > 0) ? 1 : -1; \
} \
KMP_DOACROSS_FINI(status, gtid) \
\
KA_TRACE( \
20, \
(KMP_STR(func) " exit: T#%d, *p_lb 0x%lx, *p_ub 0x%lx, stride 0x%lx, " \
"returning %d\n", \
gtid, *p_lb, *p_ub, stride, status)); \
return status; \
}
LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_STATIC_START), kmp_sch_static)
LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_STATIC_NEXT), {})
LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_DYNAMIC_START),
kmp_sch_dynamic_chunked)
LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_NONMONOTONIC_DYNAMIC_START),
kmp_sch_dynamic_chunked)
LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_DYNAMIC_NEXT), {})
LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_NONMONOTONIC_DYNAMIC_NEXT), {})
LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_GUIDED_START),
kmp_sch_guided_chunked)
LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_NONMONOTONIC_GUIDED_START),
kmp_sch_guided_chunked)
LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_GUIDED_NEXT), {})
LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_NONMONOTONIC_GUIDED_NEXT), {})
LOOP_RUNTIME_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_RUNTIME_START),
kmp_sch_runtime)
LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_RUNTIME_NEXT), {})
LOOP_RUNTIME_START(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_MAYBE_NONMONOTONIC_RUNTIME_START),
kmp_sch_runtime)
LOOP_RUNTIME_START(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_NONMONOTONIC_RUNTIME_START),
kmp_sch_runtime)
LOOP_NEXT(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_MAYBE_NONMONOTONIC_RUNTIME_NEXT), {})
LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_NONMONOTONIC_RUNTIME_NEXT), {})
LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_STATIC_START),
kmp_ord_static)
LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_STATIC_NEXT),
{ KMP_DISPATCH_FINI_CHUNK(&loc, gtid); })
LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_DYNAMIC_START),
kmp_ord_dynamic_chunked)
LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_DYNAMIC_NEXT),
{ KMP_DISPATCH_FINI_CHUNK(&loc, gtid); })
LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_GUIDED_START),
kmp_ord_guided_chunked)
LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_GUIDED_NEXT),
{ KMP_DISPATCH_FINI_CHUNK(&loc, gtid); })
LOOP_RUNTIME_START(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_RUNTIME_START),
kmp_ord_runtime)
LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_RUNTIME_NEXT),
{ KMP_DISPATCH_FINI_CHUNK(&loc, gtid); })
#define LOOP_DOACROSS_START(func, schedule) \
bool func(unsigned ncounts, long *counts, long chunk_sz, long *p_lb, \
long *p_ub) { \
int status; \
long stride, lb, ub, str; \
int gtid = __kmp_entry_gtid(); \
struct kmp_dim *dims = \
(struct kmp_dim *)__kmp_allocate(sizeof(struct kmp_dim) * ncounts); \
MKLOC(loc, KMP_STR(func)); \
for (unsigned i = 0; i < ncounts; ++i) { \
dims[i].lo = 0; \
dims[i].up = counts[i] - 1; \
dims[i].st = 1; \
} \
__kmpc_doacross_init(&loc, gtid, (int)ncounts, dims); \
lb = 0; \
ub = counts[0]; \
str = 1; \
KA_TRACE(20, (KMP_STR(func) ": T#%d, ncounts %u, lb 0x%lx, ub 0x%lx, str " \
"0x%lx, chunk_sz " \
"0x%lx\n", \
gtid, ncounts, lb, ub, str, chunk_sz)); \
\
if ((str > 0) ? (lb < ub) : (lb > ub)) { \
KMP_DISPATCH_INIT(&loc, gtid, (schedule), lb, \
(str > 0) ? (ub - 1) : (ub + 1), str, chunk_sz, \
(schedule) != kmp_sch_static); \
status = KMP_DISPATCH_NEXT(&loc, gtid, NULL, (kmp_int *)p_lb, \
(kmp_int *)p_ub, (kmp_int *)&stride); \
if (status) { \
KMP_DEBUG_ASSERT(stride == str); \
*p_ub += (str > 0) ? 1 : -1; \
} \
} else { \
status = 0; \
} \
KMP_DOACROSS_FINI(status, gtid); \
\
KA_TRACE( \
20, \
(KMP_STR( \
func) " exit: T#%d, *p_lb 0x%lx, *p_ub 0x%lx, returning %d\n", \
gtid, *p_lb, *p_ub, status)); \
__kmp_free(dims); \
return status; \
}
#define LOOP_DOACROSS_RUNTIME_START(func, schedule) \
int func(unsigned ncounts, long *counts, long *p_lb, long *p_ub) { \
int status; \
long stride, lb, ub, str; \
long chunk_sz = 0; \
int gtid = __kmp_entry_gtid(); \
struct kmp_dim *dims = \
(struct kmp_dim *)__kmp_allocate(sizeof(struct kmp_dim) * ncounts); \
MKLOC(loc, KMP_STR(func)); \
for (unsigned i = 0; i < ncounts; ++i) { \
dims[i].lo = 0; \
dims[i].up = counts[i] - 1; \
dims[i].st = 1; \
} \
__kmpc_doacross_init(&loc, gtid, (int)ncounts, dims); \
lb = 0; \
ub = counts[0]; \
str = 1; \
KA_TRACE( \
20, \
(KMP_STR(func) ": T#%d, lb 0x%lx, ub 0x%lx, str 0x%lx, chunk_sz %d\n", \
gtid, lb, ub, str, chunk_sz)); \
\
if ((str > 0) ? (lb < ub) : (lb > ub)) { \
KMP_DISPATCH_INIT(&loc, gtid, (schedule), lb, \
(str > 0) ? (ub - 1) : (ub + 1), str, chunk_sz, TRUE); \
status = KMP_DISPATCH_NEXT(&loc, gtid, NULL, (kmp_int *)p_lb, \
(kmp_int *)p_ub, (kmp_int *)&stride); \
if (status) { \
KMP_DEBUG_ASSERT(stride == str); \
*p_ub += (str > 0) ? 1 : -1; \
} \
} else { \
status = 0; \
} \
KMP_DOACROSS_FINI(status, gtid); \
\
KA_TRACE( \
20, \
(KMP_STR( \
func) " exit: T#%d, *p_lb 0x%lx, *p_ub 0x%lx, returning %d\n", \
gtid, *p_lb, *p_ub, status)); \
__kmp_free(dims); \
return status; \
}
LOOP_DOACROSS_START(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_DOACROSS_STATIC_START),
kmp_sch_static)
LOOP_DOACROSS_START(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_DOACROSS_DYNAMIC_START),
kmp_sch_dynamic_chunked)
LOOP_DOACROSS_START(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_DOACROSS_GUIDED_START),
kmp_sch_guided_chunked)
LOOP_DOACROSS_RUNTIME_START(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_DOACROSS_RUNTIME_START),
kmp_sch_runtime)
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_END)(void) {
int gtid = __kmp_get_gtid();
KA_TRACE(20, ("GOMP_loop_end: T#%d\n", gtid))
#if OMPT_SUPPORT && OMPT_OPTIONAL
ompt_frame_t *ompt_frame;
if (ompt_enabled.enabled) {
__ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
ompt_frame->enter_frame.ptr = OMPT_GET_FRAME_ADDRESS(0);
OMPT_STORE_RETURN_ADDRESS(gtid);
}
#endif
__kmp_barrier(bs_plain_barrier, gtid, FALSE, 0, NULL, NULL);
#if OMPT_SUPPORT && OMPT_OPTIONAL
if (ompt_enabled.enabled) {
ompt_frame->enter_frame = ompt_data_none;
}
#endif
KA_TRACE(20, ("GOMP_loop_end exit: T#%d\n", gtid))
}
void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_END_NOWAIT)(void) {
KA_TRACE(20, ("GOMP_loop_end_nowait: T#%d\n", __kmp_get_gtid()))
}
// Unsigned long long loop worksharing constructs
//
// These are new with gcc 4.4
#define LOOP_START_ULL(func, schedule) \
int func(int up, unsigned long long lb, unsigned long long ub, \
unsigned long long str, unsigned long long chunk_sz, \
unsigned long long *p_lb, unsigned long long *p_ub) { \
int status; \
long long str2 = up ? ((long long)str) : -((long long)str); \
long long stride; \
int gtid = __kmp_entry_gtid(); \
MKLOC(loc, KMP_STR(func)); \
\
KA_TRACE(20, (KMP_STR(func) ": T#%d, up %d, lb 0x%llx, ub 0x%llx, str " \
"0x%llx, chunk_sz 0x%llx\n", \
gtid, up, lb, ub, str, chunk_sz)); \
\
if ((str > 0) ? (lb < ub) : (lb > ub)) { \
KMP_DISPATCH_INIT_ULL(&loc, gtid, (schedule), lb, \
(str2 > 0) ? (ub - 1) : (ub + 1), str2, chunk_sz, \
(schedule) != kmp_sch_static); \
status = \
KMP_DISPATCH_NEXT_ULL(&loc, gtid, NULL, (kmp_uint64 *)p_lb, \
(kmp_uint64 *)p_ub, (kmp_int64 *)&stride); \
if (status) { \
KMP_DEBUG_ASSERT(stride == str2); \
*p_ub += (str > 0) ? 1 : -1; \
} \
} else { \
status = 0; \
} \
\
KA_TRACE( \
20, \
(KMP_STR( \
func) " exit: T#%d, *p_lb 0x%llx, *p_ub 0x%llx, returning %d\n", \
gtid, *p_lb, *p_ub, status)); \
return status; \
}
#define LOOP_RUNTIME_START_ULL(func, schedule) \
int func(int up, unsigned long long lb, unsigned long long ub, \
unsigned long long str, unsigned long long *p_lb, \
unsigned long long *p_ub) { \
int status; \
long long str2 = up ? ((long long)str) : -((long long)str); \
unsigned long long stride; \
unsigned long long chunk_sz = 0; \
int gtid = __kmp_entry_gtid(); \
MKLOC(loc, KMP_STR(func)); \
\
KA_TRACE(20, (KMP_STR(func) ": T#%d, up %d, lb 0x%llx, ub 0x%llx, str " \
"0x%llx, chunk_sz 0x%llx\n", \
gtid, up, lb, ub, str, chunk_sz)); \
\
if ((str > 0) ? (lb < ub) : (lb > ub)) { \
KMP_DISPATCH_INIT_ULL(&loc, gtid, (schedule), lb, \
(str2 > 0) ? (ub - 1) : (ub + 1), str2, chunk_sz, \
TRUE); \
status = \
KMP_DISPATCH_NEXT_ULL(&loc, gtid, NULL, (kmp_uint64 *)p_lb, \
(kmp_uint64 *)p_ub, (kmp_int64 *)&stride); \
if (status) { \
KMP_DEBUG_ASSERT((long long)stride == str2); \
*p_ub += (str > 0) ? 1 : -1; \
} \
} else { \
status = 0; \
} \
\
KA_TRACE( \
20, \
(KMP_STR( \
func) " exit: T#%d, *p_lb 0x%llx, *p_ub 0x%llx, returning %d\n", \
gtid, *p_lb, *p_ub, status)); \
return status; \
}
#define LOOP_NEXT_ULL(func, fini_code) \
int func(unsigned long long *p_lb, unsigned long long *p_ub) { \
int status; \
long long stride; \
int gtid = __kmp_get_gtid(); \
MKLOC(loc, KMP_STR(func)); \
KA_TRACE(20, (KMP_STR(func) ": T#%d\n", gtid)); \
\
fini_code status = \
KMP_DISPATCH_NEXT_ULL(&loc, gtid, NULL, (kmp_uint64 *)p_lb, \
(kmp_uint64 *)p_ub, (kmp_int64 *)&stride); \
if (status) { \
*p_ub += (stride > 0) ? 1 : -1; \
} \
\
KA_TRACE( \
20, \
(KMP_STR( \
func) " exit: T#%d, *p_lb 0x%llx, *p_ub 0x%llx, stride 0x%llx, " \
"returning %d\n", \
gtid, *p_lb, *p_ub, stride, status)); \
return status; \
}
LOOP_START_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_STATIC_START),
kmp_sch_static)
LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_STATIC_NEXT), {})
LOOP_START_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_DYNAMIC_START),
kmp_sch_dynamic_chunked)
LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_DYNAMIC_NEXT), {})
LOOP_START_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_GUIDED_START),
kmp_sch_guided_chunked)
LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_GUIDED_NEXT), {})
LOOP_START_ULL(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_NONMONOTONIC_DYNAMIC_START),
kmp_sch_dynamic_chunked)
LOOP_NEXT_ULL(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_NONMONOTONIC_DYNAMIC_NEXT), {})
LOOP_START_ULL(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_NONMONOTONIC_GUIDED_START),
kmp_sch_guided_chunked)
LOOP_NEXT_ULL(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_NONMONOTONIC_GUIDED_NEXT), {})
LOOP_RUNTIME_START_ULL(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_RUNTIME_START), kmp_sch_runtime)
LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_RUNTIME_NEXT), {})
LOOP_RUNTIME_START_ULL(
KMP_EXPAND_NAME(
KMP_API_NAME_GOMP_LOOP_ULL_MAYBE_NONMONOTONIC_RUNTIME_START),
kmp_sch_runtime)
LOOP_RUNTIME_START_ULL(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_NONMONOTONIC_RUNTIME_START),
kmp_sch_runtime)
LOOP_NEXT_ULL(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_MAYBE_NONMONOTONIC_RUNTIME_NEXT),
{})
LOOP_NEXT_ULL(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_NONMONOTONIC_RUNTIME_NEXT), {})
LOOP_START_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_STATIC_START),
kmp_ord_static)
LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT),
{ KMP_DISPATCH_FINI_CHUNK_ULL(&loc, gtid); })
LOOP_START_ULL(
KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START),
kmp_ord_dynamic_chunked)
LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT),
{ KMP_DISPATCH_FINI_CHUNK_ULL(&loc, gtid); })
LOOP_START_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_GUIDED_START),
kmp_ord_guided_chunked)
LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT),
{ KMP_DISPATCH_FINI_CHUNK_ULL(&loc, gtid); })
LOOP_RUNTIME_START_ULL(