File: pml_ob1_component.c

package info (click to toggle)
openmpi 1.2.7~rc2-2
  • links: PTS, VCS
  • area: main
  • in suites: lenny
  • size: 41,300 kB
  • ctags: 24,303
  • sloc: ansic: 224,835; sh: 22,627; makefile: 7,037; cpp: 6,353; asm: 3,547; lex: 528; objc: 383; perl: 348; csh: 89; f90: 49; fortran: 47; tcl: 12
file content (210 lines) | stat: -rw-r--r-- 6,850 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
/*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2007 The University of Tennessee and The University
 *                         of Tennessee Research Foundation.  All rights
 *                         reserved.
 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
 *                         University of Stuttgart.  All rights reserved.
 * Copyright (c) 2004-2005 The Regents of the University of California.
 *                         All rights reserved.
 * Copyright (c) 2007-2008 Cisco Systems, Inc.  All rights reserved.
 * $COPYRIGHT$
 * 
 * Additional copyrights may follow
 * 
 * $HEADER$
 */

#include "ompi_config.h"
#include "opal/sys/cache.h"
#include "opal/event/event.h"
#include "mpi.h"
#include "ompi/runtime/params.h"
#include "ompi/mca/pml/pml.h"
#include "opal/mca/base/mca_base_param.h"
#include "ompi/mca/pml/base/pml_base_bsend.h"
#include "pml_ob1.h"
#include "pml_ob1_hdr.h"
#include "pml_ob1_sendreq.h"
#include "pml_ob1_recvreq.h"
#include "pml_ob1_rdmafrag.h"
#include "pml_ob1_recvfrag.h"
#include "ompi/mca/bml/base/base.h" 
#include "pml_ob1_component.h"

OBJ_CLASS_INSTANCE( mca_pml_ob1_pckt_pending_t,
                    ompi_free_list_item_t,
                    NULL,
                    NULL );

static int mca_pml_ob1_component_open(void);
static int mca_pml_ob1_component_close(void);
static mca_pml_base_module_t*
mca_pml_ob1_component_init( int* priority, bool enable_progress_threads,
                            bool enable_mpi_threads );
static int mca_pml_ob1_component_fini(void);

mca_pml_base_component_1_0_0_t mca_pml_ob1_component = {

    /* First, the mca_base_component_t struct containing meta
       information about the component itself */

    {
      /* Indicate that we are a pml v1.0.0 component (which also implies
         a specific MCA version) */

      MCA_PML_BASE_VERSION_1_0_0,
    
      "ob1", /* MCA component name */
      OMPI_MAJOR_VERSION,  /* MCA component major version */
      OMPI_MINOR_VERSION,  /* MCA component minor version */
      OMPI_RELEASE_VERSION,  /* MCA component release version */
      mca_pml_ob1_component_open,  /* component open */
      mca_pml_ob1_component_close  /* component close */
    },

    /* Next the MCA v1.0.0 component meta data */

    {
      /* Whether the component is checkpointable or not */
      false
    },

    mca_pml_ob1_component_init,  /* component init */
    mca_pml_ob1_component_fini   /* component finalize */
};



static inline int mca_pml_ob1_param_register_int(
    const char* param_name,
    int default_value)
{
    int id = mca_base_param_register_int("pml","ob1",param_name,NULL,default_value);
    int param_value = default_value;
    mca_base_param_lookup_int(id,&param_value);
    return param_value;
}

static int mca_pml_ob1_component_open(void)
{
    mca_pml_ob1.free_list_num =
        mca_pml_ob1_param_register_int("free_list_num", 4);
    mca_pml_ob1.free_list_max =
        mca_pml_ob1_param_register_int("free_list_max", -1);
    mca_pml_ob1.free_list_inc =
        mca_pml_ob1_param_register_int("free_list_inc", 64);
    mca_pml_ob1.priority =
        mca_pml_ob1_param_register_int("priority", 20);
    mca_pml_ob1.eager_limit =
        mca_pml_ob1_param_register_int("eager_limit", 128 * 1024);
    mca_pml_ob1.send_pipeline_depth =
        mca_pml_ob1_param_register_int("send_pipeline_depth", 3);
    mca_pml_ob1.recv_pipeline_depth =
        mca_pml_ob1_param_register_int("recv_pipeline_depth", 4);
    mca_pml_ob1.use_early_completion = (bool)
        mca_pml_ob1_param_register_int("use_early_completion", 1);

    mca_pml_ob1.leave_pinned = ompi_mpi_leave_pinned;
    mca_pml_ob1.leave_pinned_pipeline = (int) ompi_mpi_leave_pinned_pipeline;

    mca_pml_ob1.enabled = false; 
    return mca_bml_base_open(); 
    
}


static int mca_pml_ob1_component_close(void)
{
    int rc;

    if(OMPI_SUCCESS != (rc = mca_bml_base_close()))
        return rc;

    return OMPI_SUCCESS;
}


static mca_pml_base_module_t*
mca_pml_ob1_component_init( int* priority, 
                            bool enable_progress_threads,
                            bool enable_mpi_threads )
{
    opal_output_verbose( 10, 0, 
                         "in ob1, my priority is %d\n", mca_pml_ob1.priority);
    
    if((*priority) > mca_pml_ob1.priority) { 
        *priority = mca_pml_ob1.priority;
        return NULL;
    }
    *priority = mca_pml_ob1.priority;

    /* buffered send */
    if(OMPI_SUCCESS != mca_pml_base_bsend_init(enable_mpi_threads)) {
        opal_output(0, "mca_pml_ob1_component_init: mca_pml_bsend_init failed\n");
        return NULL;
    }

    
    if(OMPI_SUCCESS != mca_bml_base_init( enable_progress_threads, 
                                          enable_mpi_threads)) {
        return NULL;
    }

    /* As our own progress function does nothing except calling the BML
     * progress, let's modify the progress function pointer in our structure
     * to avoid useless functions calls. The event library will instead call
     * directly the BML function.
     */
     mca_pml_ob1.super.pml_progress = mca_bml.bml_progress;

    return &mca_pml_ob1.super;
}

int mca_pml_ob1_component_fini(void)
{
    int rc;

    /* Shutdown BML */
    if(OMPI_SUCCESS != (rc = mca_bml.bml_finalize()))
        return rc;


    /* Shutdown buffered send */
    if(OMPI_SUCCESS != (rc = mca_pml_base_bsend_fini())) {
        return rc;
    }

    if(!mca_pml_ob1.enabled)
        return OMPI_SUCCESS; /* never selected.. return success.. */  
    mca_pml_ob1.enabled = false;  /* not anymore */

    OBJ_DESTRUCT(&mca_pml_ob1.rdma_pending);
    OBJ_DESTRUCT(&mca_pml_ob1.pckt_pending);
    OBJ_DESTRUCT(&mca_pml_ob1.recv_pending);
    OBJ_DESTRUCT(&mca_pml_ob1.send_pending);
    OBJ_DESTRUCT(&mca_pml_ob1.buffers);
    OBJ_DESTRUCT(&mca_pml_ob1.pending_pckts);
    OBJ_DESTRUCT(&mca_pml_ob1.recv_frags);
    OBJ_DESTRUCT(&mca_pml_ob1.rdma_frags);
    OBJ_DESTRUCT(&mca_pml_ob1.lock);

#if 0
    if (mca_pml_base_send_requests.fl_num_allocated !=
        mca_pml_base_send_requests.super.opal_list_length) {
        opal_output(0, "ob1 send requests: %d allocated %d returned\n",
                    mca_pml_base_send_requests.fl_num_allocated,
                    mca_pml_base_send_requests.super.opal_list_length);
    }
    if (mca_pml_base_recv_requests.fl_num_allocated !=
        mca_pml_base_recv_requests.super.opal_list_length) {
        opal_output(0, "ob1 recv requests: %d allocated %d returned\n",
                    mca_pml_base_recv_requests.fl_num_allocated,
                    mca_pml_base_recv_requests.super.opal_list_length);
    }
#endif

    return OMPI_SUCCESS;
}