339 строки
14 KiB
C
339 строки
14 KiB
C
/*
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* Copyright (c) 2011-2013 Sandia National Laboratories. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef OSC_PORTALS4_PORTALS4_H
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#define OSC_PORTALS4_PORTALS4_H
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#include <portals4.h>
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#include "ompi/class/ompi_free_list.h"
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#include "ompi/group/group.h"
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#include "ompi/communicator/communicator.h"
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#define OSC_PORTALS4_MB_DATA 0x0000000000000000ULL
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#define OSC_PORTALS4_MB_CONTROL 0x1000000000000000ULL
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/* Component structure. There is one of these per process, per process lifetime.
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*
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* Currently, the Portals 4 one-sided implementation only uses a
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* matching interface for all communication. There are plans for
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* using a non-matching interface for a few windows (they each need
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* their own PTE, which is a precious resource). In anticipation of
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* that, we initialize the network interfaces and keep them in the
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* component structure (for win create), but then also keep a handle
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* copy in the window module, so that we can use the right structures
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* once we add the non-matching support.
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*
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* The sizes are kept in the component structure because we can only
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* find them during PtlNIInit, and it would be poor to do that for
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* every window creation. Again, the window module has a copy of the
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* max sizes, but tweaked to match the window configuration (ie,
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* there's one atomic size, instead of an ordered and unordered size,
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* since we know the ordering constraints during window creation).
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*/
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struct ompi_osc_portals4_component_t {
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ompi_osc_base_component_t super;
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ptl_handle_ni_t matching_ni_h;
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ptl_handle_eq_t matching_eq_h;
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ptl_pt_index_t matching_pt_idx;
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ptl_size_t matching_atomic_max;
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ptl_size_t matching_fetch_atomic_max;
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ptl_size_t matching_atomic_ordered_size;
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ompi_free_list_t requests; /* request free list for the r* communication variants */
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};
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typedef struct ompi_osc_portals4_component_t ompi_osc_portals4_component_t;
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OMPI_DECLSPEC extern ompi_osc_portals4_component_t mca_osc_portals4_component;
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/* Data about me exposed to remote peers. Used in generalized active
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target and passive target synchronization. */
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struct ompi_osc_portals4_node_state_t {
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volatile int32_t post_count;
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volatile int32_t complete_count;
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volatile uint64_t lock;
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};
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typedef struct ompi_osc_portals4_node_state_t ompi_osc_portals4_node_state_t;
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#define LOCK_ILLEGAL (0x4000000000000000ULL)
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#define LOCK_UNLOCKED (0x0000000000000000ULL)
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#define LOCK_EXCLUSIVE (0x0000000100000000ULL)
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/* Module structure. There is one of these per window */
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struct ompi_osc_portals4_module_t {
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ompi_osc_base_module_t super;
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void *free_after; /* if non-null, this pointer should be free()ed when window destroyed */
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struct ompi_communicator_t *comm; /* communicator which backs this window (unique to this window) */
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int disp_unit; /* if -1, have to look at disp_units */
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int *disp_units; /* array (possibly NULL!) of displacement units, per peer */
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ptl_handle_ni_t ni_h; /* network interface used by this window */
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ptl_pt_index_t pt_idx; /* portal table index used by this window (this will be same across window) */
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ptl_handle_ct_t ct_h; /* Counting event handle used for completion in this window */
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#if OMPI_PORTALS4_MAX_MD_SIZE < OMPI_PORTALS4_MAX_VA_SIZE
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ptl_handle_md_t *md_h; /* memory descriptor describing all of memory used by this window */
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ptl_handle_md_t *req_md_h; /* memory descriptor with event completion used by this window */
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#else
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ptl_handle_md_t md_h[1]; /* memory descriptor describing all of memory used by this window */
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ptl_handle_md_t req_md_h[1]; /* memory descriptor with event completion used by this window */
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#endif
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ptl_handle_me_t data_me_h; /* data match list entry (MB are CID | OSC_PORTALS4_MB_DATA) */
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ptl_handle_me_t control_me_h; /* match list entry for control data (node_state_t). Match bits are (CID | OSC_PORTALS4_MB_CONTROL). */
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int64_t opcount;
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ptl_match_bits_t match_bits; /* match bits for module. Same as cid for comm in most cases. */
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ptl_size_t atomic_max; /* max size of atomic messages. Will guarantee ordering IF ordering requested */
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ptl_size_t fetch_atomic_max; /* max size of fetchatomic messages. Will guarantee ordering IF ordering requested */
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/* variable containing specified value. Needed for atomic
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increments so they can be non-blocking */
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int32_t zero;
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int32_t one;
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ompi_group_t *start_group;
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ompi_group_t *post_group;
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opal_list_t outstanding_locks;
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/* things that are remotely accessible */
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ompi_osc_portals4_node_state_t state;
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};
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typedef struct ompi_osc_portals4_module_t ompi_osc_portals4_module_t;
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static inline size_t
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get_displacement(ompi_osc_portals4_module_t *module,
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int target)
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{
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if (-1 == module->disp_unit) {
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return module->disp_units[target];
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} else {
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return module->disp_unit;
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}
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}
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/*
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* See note in ompi/mtl/portals4/mtl_portals4.h for how we deal with
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* platforms that don't allow us to crate an MD that covers all of
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* memory.
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*/
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static inline void
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ompi_osc_portals4_get_md(const void *ptr, const ptl_handle_md_t *array,
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ptl_handle_md_t *md_h, void **base_ptr)
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{
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#if OMPI_PORTALS4_MAX_MD_SIZE < OMPI_PORTALS4_MAX_VA_SIZE
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int mask = (1ULL << (OMPI_PORTALS4_MAX_VA_SIZE - OMPI_PORTALS4_MAX_MD_SIZE + 1)) - 1;
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int which = (((uintptr_t) ptr) >> (OMPI_PORTALS4_MAX_MD_SIZE - 1)) & mask;
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*md_h = array[which];
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*base_ptr = (void*) (which * (1ULL << (OMPI_PORTALS4_MAX_MD_SIZE - 1)));
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#else
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*md_h = array[0];
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*base_ptr = 0;
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#endif
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}
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static inline int
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ompi_osc_portals4_get_num_mds(void)
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{
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#if OMPI_PORTALS4_MAX_MD_SIZE < OMPI_PORTALS4_MAX_VA_SIZE
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return (1 << (OMPI_PORTALS4_MAX_VA_SIZE - OMPI_PORTALS4_MAX_MD_SIZE + 1));
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#else
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return 1;
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#endif
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}
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int ompi_osc_portals4_attach(struct ompi_win_t *win, void *base, size_t len);
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int ompi_osc_portals4_detach(struct ompi_win_t *win, void *base);
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int ompi_osc_portals4_free(struct ompi_win_t *win);
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int ompi_osc_portals4_put(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_dt,
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int target,
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OPAL_PTRDIFF_TYPE target_disp,
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int target_count,
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struct ompi_datatype_t *target_dt,
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struct ompi_win_t *win);
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int ompi_osc_portals4_get(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_dt,
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int target,
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OPAL_PTRDIFF_TYPE target_disp,
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int target_count,
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struct ompi_datatype_t *target_dt,
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struct ompi_win_t *win);
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int ompi_osc_portals4_accumulate(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_dt,
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int target,
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OPAL_PTRDIFF_TYPE target_disp,
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int target_count,
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struct ompi_datatype_t *target_dt,
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struct ompi_op_t *op,
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struct ompi_win_t *win);
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int ompi_osc_portals4_compare_and_swap(void *origin_addr,
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void *compare_addr,
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void *result_addr,
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struct ompi_datatype_t *dt,
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int target,
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OPAL_PTRDIFF_TYPE target_disp,
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struct ompi_win_t *win);
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int ompi_osc_portals4_fetch_and_op(void *origin_addr,
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void *result_addr,
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struct ompi_datatype_t *dt,
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int target,
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OPAL_PTRDIFF_TYPE target_disp,
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struct ompi_op_t *op,
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struct ompi_win_t *win);
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int ompi_osc_portals4_get_accumulate(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_datatype,
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void *result_addr,
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int result_count,
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struct ompi_datatype_t *result_datatype,
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int target_rank,
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MPI_Aint target_disp,
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int target_count,
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struct ompi_datatype_t *target_datatype,
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struct ompi_op_t *op,
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struct ompi_win_t *win);
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int ompi_osc_portals4_rput(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_dt,
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int target,
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OPAL_PTRDIFF_TYPE target_disp,
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int target_count,
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struct ompi_datatype_t *target_dt,
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struct ompi_win_t *win,
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struct ompi_request_t **request);
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int ompi_osc_portals4_rget(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_dt,
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int target,
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OPAL_PTRDIFF_TYPE target_disp,
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int target_count,
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struct ompi_datatype_t *target_dt,
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struct ompi_win_t *win,
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struct ompi_request_t **request);
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int ompi_osc_portals4_raccumulate(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_dt,
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int target,
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OPAL_PTRDIFF_TYPE target_disp,
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int target_count,
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struct ompi_datatype_t *target_dt,
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struct ompi_op_t *op,
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struct ompi_win_t *win,
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struct ompi_request_t **request);
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int ompi_osc_portals4_rget_accumulate(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_datatype,
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void *result_addr,
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int result_count,
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struct ompi_datatype_t *result_datatype,
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int target_rank,
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MPI_Aint target_disp,
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int target_count,
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struct ompi_datatype_t *target_datatype,
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struct ompi_op_t *op,
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struct ompi_win_t *win,
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struct ompi_request_t **request);
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int ompi_osc_portals4_fence(int assert, struct ompi_win_t *win);
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int ompi_osc_portals4_start(struct ompi_group_t *group,
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int assert,
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struct ompi_win_t *win);
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int ompi_osc_portals4_complete(struct ompi_win_t *win);
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int ompi_osc_portals4_post(struct ompi_group_t *group,
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int assert,
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struct ompi_win_t *win);
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int ompi_osc_portals4_wait(struct ompi_win_t *win);
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int ompi_osc_portals4_test(struct ompi_win_t *win,
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int *flag);
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int ompi_osc_portals4_lock(int lock_type,
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int target,
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int assert,
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struct ompi_win_t *win);
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int ompi_osc_portals4_unlock(int target,
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struct ompi_win_t *win);
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int ompi_osc_portals4_lock_all(int assert,
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struct ompi_win_t *win);
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int ompi_osc_portals4_unlock_all(struct ompi_win_t *win);
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int ompi_osc_portals4_sync(struct ompi_win_t *win);
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int ompi_osc_portals4_flush(int target,
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struct ompi_win_t *win);
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int ompi_osc_portals4_flush_all(struct ompi_win_t *win);
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int ompi_osc_portals4_flush_local(int target,
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struct ompi_win_t *win);
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int ompi_osc_portals4_flush_local_all(struct ompi_win_t *win);
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int ompi_osc_portals4_set_info(struct ompi_win_t *win, struct ompi_info_t *info);
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int ompi_osc_portals4_get_info(struct ompi_win_t *win, struct ompi_info_t **info_used);
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static inline int
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ompi_osc_portals4_complete_all(ompi_osc_portals4_module_t *module)
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{
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int ret;
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ptl_ct_event_t event;
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ret = PtlCTWait(module->ct_h, module->opcount, &event);
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if (PTL_OK != ret || 0 != event.failure) {
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opal_output_verbose(1, ompi_osc_base_framework.framework_output,
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"%s:%d: flush_all ct failure: ret=%d, failure=%d\n",
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__FILE__, __LINE__, ret, (int) event.failure);
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event.success = event.failure = 0;
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PtlCTSet(module->ct_h, event);
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module->opcount = 0;
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}
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assert(event.success == (size_t) module->opcount);
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PtlAtomicSync();
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return ret;
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}
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static inline ptl_process_t
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ompi_osc_portals4_get_peer(ompi_osc_portals4_module_t *module, int rank)
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{
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ompi_proc_t *proc = ompi_comm_peer_lookup(module->comm, rank);
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return *((ptl_process_t*) proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_PORTALS4]);
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}
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static inline ptl_process_t
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ompi_osc_portals4_get_peer_group(struct ompi_group_t *group, int rank)
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{
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ompi_proc_t *proc = ompi_group_get_proc_ptr(group, rank);
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return *((ptl_process_t*) proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_PORTALS4]);
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}
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#endif
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