moved/renamedd

This commit was SVN r300.

src/mca/mpi/pml/teg/src/pml_teg.c

@@ -1,5 +1,10 @@
-#include "mca/mpi/pml/pml.h"
-#include "mca/mpi/pml/teg/teg.h"
+#include "mca/mpi/pml/base/pml_base_sendreq.h"
+#include "mca/mpi/pml/base/pml_base_recvreq.h"
+#include "pml_teg.h"
+
+#define mca_teg_param_register(n,v) \
+    mca_base_param_lookup_int( \
+        mca_base_param_register_int("pml","teg",n,0,v))
 
 
 mca_pml_base_module_1_0_0_t mca_pml_teg_module = {
@@ -38,10 +43,27 @@ mca_pml_teg_1_0_0_t mca_pml_teg = {
     mca_pml_teg_addprocs,
     mca_pml_teg_isend,
     mca_pml_teg_progress
-    },
+    }
 };
 
 
+int mca_pml_teg_open(lam_cmd_line_t* cmd_line)
+{
+    mca_pml_teg.teg_send_free_list_min_pages =
+        mca_pml_teg_register_int("send_free_list_min_pages", 10);
+    mca_pml_teg.teg_send_free_list_max_pages =
+        mca_pml_teg_register_int("send_free_list_max_pages", -1);
+    mca_pml_teg.teg_send_free_list_inc_pages =
+        mca_pml_teg_register_int("send_free_list_inc_pages", 1);
+    mca_pml_teg.teg_recv_free_list_min_pages =
+        mca_pml_teg_register_int("recv_free_list_min_pages", 10);
+    mca_pml_teg.teg_recv_free_list_max_pages =
+        mca_pml_teg_register_int("recv_free_list_max_pages", -1);
+    mca_pml_teg.teg_recv_free_list_inc_pages =
+        mca_pml_teg_register_int("recv_free_list_inc_pages", 1);
+    return LAM_SUCCESS;
+}
+
 
 mca_pml_1_0_0_t* mca_pml_teg_init(
     struct lam_proc_t **procs,
@@ -49,7 +71,33 @@ mca_pml_1_0_0_t* mca_pml_teg_init(
     int *max_tag,
     int *max_cid)
 {
-    lam_frl_init(&mca_pml_teg.teg_send_requests);
-    lam_frl_init(&mca_pml_teg.teg_recv_requests);
+    int rc;
+    lam_free_list_init(&mca_pml_teg.teg_send_free_list);
+    if((rc = lam_free_list_init_with(
+        &mca_pml_teg.teg_send_free_list,
+        sizeof(mca_pml_base_send_request_t),
+        mca_pml_teg.teg_send_free_list_min_pages,
+        mca_pml_teg.teg_send_free_list_max_pages,
+        mca_pml_teg.teg_send_free_list_inc_pages,
+        NULL)) != LAM_SUCCESS)
+    {
+        return NULL;
+    }
+
+    lam_free_list_init(&mca_pml_teg.teg_recv_free_list);
+    if((rc = lam_free_list_init_with(
+        &mca_pml_teg.teg_recv_free_list,
+        sizeof(mca_pml_base_recv_request_t),
+        mca_pml_teg.teg_recv_free_list_min_pages,
+        mca_pml_teg.teg_recv_free_list_max_pages,
+        mca_pml_teg.teg_recv_free_list_inc_pages,
+        NULL)) != LAM_SUCCESS)
+    {
+        return NULL;
+    }
+
+    lam_free_list_init(&mca_pml_teg.teg_incomplete_sends);
     return &mca_pml_teg.super;
 }
+                                                                                                 
+                                                                                                 

src/mca/mpi/pml/teg/src/pml_teg.h

@@ -52,11 +52,27 @@ extern mca_pml_1_0_0_t* mca_pml_teg_init(
 
 struct mca_pml_teg_1_0_0_t {
     mca_pml_1_0_0_t super;
-    lam_free_list_t teg_send_requests;
-    lam_free_list_t teg_recv_requests;
+
+    /* send request free list and parameters */
+    lam_free_list_t teg_send_free_list;
+    int teg_send_free_list_min_pages;
+    int teg_send_free_list_max_pages;
+    int teg_send_free_list_inc_pages;
+
+    /* recv request free list and parameters */
+    lam_free_list_t teg_recv_free_list;
+    int teg_recv_free_list_min_pages;
+    int teg_recv_free_list_max_pages;
+    int teg_recv_free_list_inc_pages;
+
+    /* incomplete posted sends */
+    lam_list_t  teg_incomplete_sends;
+    lam_mutex_t teg_lock;
 };
 typedef struct mca_pml_teg_1_0_0_t mca_pml_teg_1_0_0_t;
 
+extern mca_pml_teg_1_0_0_t mca_pml_teg;
+
 /*
  * PML interface functions.
  */

src/mca/mpi/pml/teg/src/pml_teg_isend.c

@@ -0,0 +1,42 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/mpi/pml/base/pml_base_sendreq.h"
+#include "pml_teg.h"
+
+
+int mca_pml_teg_isend(
+    void *buf,
+    size_t size,
+    lam_datatype_t *datatype,
+    int dest,
+    int tag,
+    lam_communicator_t* comm,
+    mca_pml_base_request_type_t req_type,
+    lam_request_t **request)
+{
+    int rc;
+    mca_pml_base_send_request_t* sendreq = 
+        (mca_pml_base_send_request_t*)lam_free_list_get(&mca_pml_teg.teg_send_free_list, &rc);
+    if(sendreq == 0) 
+        return rc;
+
+    mca_pml_base_send_request_rinit(
+        sendreq,
+        buf,
+        size,
+        datatype,
+        dest,
+        tag,
+        comm,
+        req_type,
+        false
+        );
+         
+    if((rc = mca_pml_teg_send_request_start(sendreq)) != LAM_SUCCESS)
+        return rc;
+    *request = (lam_request_t*)sendreq;
+    return LAM_SUCCESS;
+}
+

src/mca/mpi/pml/teg/src/pml_teg_proc.c

@@ -2,9 +2,9 @@
  * $HEADER$
  */
 
-#include "mca/mpi/pml/teg/proc.h"
 #include "lam/atomic.h"
-#include "mca/mpi/pml/teg/ptl_array.h"
+#include "pml_teg_proc.h"
+#include "pml_teg_ptl_array.h"
 
 lam_class_info_t mca_pml_teg_proc_cls = { 
     "mca_pml_teg_proc_t", 

src/mca/mpi/pml/teg/src/pml_teg_proc.h

@@ -6,7 +6,7 @@
 #define MCA_PML_PROC_H
 
 #include "mpi/proc/proc.h"
-#include "mca/mpi/pml/teg/ptl_array.h"
+#include "pml_teg_ptl_array.h"
 
 extern lam_class_info_t mca_pml_teg_proc_cls;
 

src/mca/mpi/pml/teg/src/pml_teg_sendreq.c

@@ -0,0 +1,137 @@
+/*
+ * $HEADER$
+ */
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+#include "lam/constants.h"
+#include "mca/mpi/ptl/ptl.h"
+#include "mca/mpi/pml/base/pml_base_sendreq.h"
+
+
+/*
+ *  Start a send request by calling the scheduler to stripe
+ *  the message across available PTLs. If the scheduler cannot 
+ *  fragment the entire message due to resource constraints,
+ *  queue for later delivery.
+ */
+
+int mca_pml_teg_send_request_start(lam_p2p_send_request_t* req)
+{
+    bool complete;
+    int rc = mca_pml_teg_send_request_schedule(req, &complete);
+    if(rc != LAM_SUCCESS)
+        return rc;
+    if(complete == false) {
+        THREAD_LOCK(&mca_pml_teg.teg_lock);
+        lam_list_append(&mca_pml_teg.teg_incomplete_sends, (lam_list_item_t*)req);
+        THREAD_UNLOCK(&mca_pml_teg.teg_lock);
+    }
+    return LAM_SUCCESS;
+}
+
+
+/*
+ *  Schedule message delivery across potentially multiple PTLs. Use
+ *  two seperate PTL pools. One for the first fragment (low latency)
+ *  and a second for the remaining fragments (high bandwidth). Note that
+ *  the same PTL could exist in both pools. 
+ *
+ *  If the first fragment cannot be scheduled due to a resource constraint,
+ *  the entire message is queued for later delivery by the progress engine. 
+ *  Likewise, if the entire message cannot be fragmented, the message will 
+ *  be queued and the remainder of the message scheduled/fragmented
+ *  by the progress engine.
+ *
+ */
+
+int mca_pml_teg_send_request_schedule(lam_p2p_send_request_t* req, bool_t* complete)
+{
+    lam_proc_t *proc = lam_comm_get_remote_proc(
+        req->super.req_communicator, req->super.req_peer);
+
+    /* allocate first fragment, if the first PTL in the list 
+     * cannot allocate resources for the fragment, try the next 
+     * available.
+    */
+    if(req->req_frags_allocated == 0) {
+        size_t num_ptl_avail = proc->proc_ptl_first.ptl_size;
+        size_t i;
+        for(i = 0; i < num_ptl_avail; i++) {
+            lam_p2p_ptl_info_t* ptl_info = lam_p2p_ptl_array_get_next(&proc->proc_ptl_first);
+            lam_p2p_ptl_t* ptl = ptl_info->ptl;
+            int rc = ptl->ptl_fragment(ptl, req, ptl->ptl_frag_first_size);
+            if (rc == LAM_SUCCESS)
+                break;
+            else if (rc != LAM_ERR_TEMP_OUT_OF_RESOURCE)
+                return rc;
+        }
+        /* has first fragment been allocated? */
+        if(req->p2ps_frags_allocated == 0) {
+            *complete = false;
+            return LAM_SUCCESS;
+        }
+    }
+
+    /* allocate remaining bytes to PTLs */
+    size_t bytes_remaining = req->req_length - req->req_bytes_fragmented;
+    size_t num_ptl_avail = proc->proc_ptl_next.ptl_size;
+    size_t num_ptl = 0;
+    while(bytes_remaining > 0 && num_ptl++ < num_ptl_avail) {
+        lam_p2p_ptl_info_t* ptl_info = lam_p2p_ptl_array_get_next(&proc->proc_ptl_next);
+        lam_p2p_ptl_t* ptl = ptl_info->ptl;
+
+        /* if this is the last PTL that is available to use, or the number of 
+         * bytes remaining in the message is less than the PTLs minimum fragment 
+         * size, then go ahead and give the rest of the message to this PTL.
+         */
+        size_t bytes_to_frag;
+        if(num_ptl == num_ptl_avail || bytes_remaining < ptl->ptl_frag_min_size)
+            bytes_to_frag = bytes_remaining;
+
+        /* otherwise attempt to give the PTL a percentage of the message
+         * based on a weighting factor. for simplicity calculate this as  
+         * a percentage of the overall message length (regardless of amount 
+         * previously assigned)
+         */
+        else {
+            bytes_to_frag = ptl_info->ptl_weight * req->p2ps_length;
+            if(bytes_to_frag > bytes_remaining)
+                bytes_to_frag = bytes_remaining;
+        }
+
+        int rc = ptl->ptl_fragment(ptl, req, bytes_to_frag); 
+        if(rc != LAM_SUCCESS && rc != LAM_ERR_TEMP_OUT_OF_RESOURCE)
+            return rc;
+        bytes_remaining = req->p2ps_length = req->p2ps_bytes_fragmented;
+    }
+    *complete = (req->p2ps_length == req->p2ps_bytes_fragmented);
+    return LAM_SUCCESS;
+}
+
+
+/*
+ *  Check for queued messages that need to be scheduled. 
+ *
+ */
+
+void mca_pml_teg_send_request_push()
+{
+    mca_pml_base_send_request_t *req;
+    for(req =  (mca_pml_base_send_request_t*)lam_list_get_first(&mca_pml_teg.teg_incomplete_sends); 
+        req != (mca_pml_base_send_request_t*)lam_list_get_end(&mca_pml_teg.teg_incomplete_sends);
+        req =  (mca_pml_base_send_request_t*)lam_list_get_next(req)) {
+
+        bool complete;
+        int rc = mca_pml_teg_send_request_schedule(req, &complete);
+        if(rc != LAM_SUCCESS) {
+             // FIX 
+             exit(-1);
+        }
+        if(complete) {
+            req = (mca_pml_base_send_request_t*)lam_dbl_remove(
+                &lam_p2p_sends_incomplete, (lam_list_item_t*)req);
+        }
+    }
+}
+
+

src/mca/mpi/pml/teg/src/pml_teg_sendreq.h

@@ -0,0 +1,16 @@
+/*
+ * $HEADER$
+ */
+
+#ifndef LAM_PML_TEG_SEND_REQUEST_H
+#define LAM_PML_TEG_SEND_REQUEST_H
+
+#include "mca/pml/base/pml_base_sendreq.h"
+
+int mca_pml_teg_send_request_start(mca_pml_base_send_request_t* req);
+int mca_pml_teg_send_request_schedule(mca_pml_base_send_request_t* req, bool_t* complete)
+int mca_pml_teg_send_request_progress();
+
+
+#endif
+