Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Submit feedback
Contribute to GitLab
Sign in
Toggle navigation
C
codes
Project
Project
Details
Activity
Releases
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
38
Issues
38
List
Boards
Labels
Milestones
Merge Requests
8
Merge Requests
8
Wiki
Wiki
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Commits
Issue Boards
Open sidebar
codes
codes
Commits
79735b3b
Commit
79735b3b
authored
May 11, 2018
by
Neil McGlohon
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Fixing the poor merge
parent
8f244fa3
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
72 additions
and
10 deletions
+72
-10
dragonfly-plus.C
src/networks/model-net/dragonfly-plus.C
+72
-10
No files found.
src/networks/model-net/dragonfly-plus.C
View file @
79735b3b
...
...
@@ -32,6 +32,7 @@
#endif
#define DUMP_CONNECTIONS 0
#define PRINT_CONFIG 1
#define CREDIT_SIZE 8
#define DFLY_HASH_TABLE_SIZE 4999
#define SHOW_ADAPTIVE_STATS 1
...
...
@@ -570,6 +571,43 @@ static terminal_plus_message_list *return_tail(terminal_plus_message_list **this
return
tail
;
}
void
dragonfly_plus_print_params
(
dragonfly_plus_param
*
p
)
{
int
myRank
;
MPI_Comm_rank
(
MPI_COMM_CODES
,
&
myRank
);
if
(
!
myRank
)
{
printf
(
"--------- Dragonfly Plus Parameters ---------
\n
"
);
printf
(
"num_routers = %d
\n
"
,
p
->
num_routers
);
printf
(
"local_bandwidth = %.2f
\n
"
,
p
->
local_bandwidth
);
printf
(
"global_bandwidth = %.2f
\n
"
,
p
->
global_bandwidth
);
printf
(
"cn_bandwidth = %.2f
\n
"
,
p
->
cn_bandwidth
);
printf
(
"num_vcs = %d
\n
"
,
p
->
num_vcs
);
printf
(
"local_vc_size = %d
\n
"
,
p
->
local_vc_size
);
printf
(
"global_vc_size = %d
\n
"
,
p
->
global_vc_size
);
printf
(
"cn_vc_size = %d
\n
"
,
p
->
cn_vc_size
);
printf
(
"num_cn = %d
\n
"
,
p
->
num_cn
);
printf
(
"intra_grp_radix = %d
\n
"
,
p
->
intra_grp_radix
);
printf
(
"num_level_chans = %d
\n
"
,
p
->
num_level_chans
);
printf
(
"num_router_spine = %d
\n
"
,
p
->
num_router_spine
);
printf
(
"num_router_leaf = %d
\n
"
,
p
->
num_router_leaf
);
printf
(
"adaptive_threshold = %d
\n
"
,
p
->
adaptive_threshold
);
printf
(
"max_port_score = %d
\n
"
,
p
->
max_port_score
);
printf
(
"num_groups = %d
\n
"
,
p
->
num_groups
);
printf
(
"radix = %d
\n
"
,
p
->
radix
);
printf
(
"total_routers = %d
\n
"
,
p
->
total_routers
);
printf
(
"total_terminals = %d
\n
"
,
p
->
total_terminals
);
printf
(
"num_global_connections = %d
\n
"
,
p
->
num_global_connections
);
printf
(
"cn_delay = %.2f
\n
"
,
p
->
cn_delay
);
printf
(
"local_delay = %.2f
\n
"
,
p
->
local_delay
);
printf
(
"global_delay = %.2f
\n
"
,
p
->
global_delay
);
printf
(
"credit_delay = %.2f
\n
"
,
p
->
credit_delay
);
printf
(
"router_delay = %.2f
\n
"
,
p
->
router_delay
);
printf
(
"scoring = %d
\n
"
,
scoring
);
printf
(
"routing = %d
\n
"
,
routing
);
printf
(
"---------------------------------------------
\n
"
);
}
}
static
void
dragonfly_read_config
(
const
char
*
anno
,
dragonfly_plus_param
*
params
)
{
/*Adding init for router magic number*/
...
...
@@ -820,6 +858,16 @@ static void dragonfly_read_config(const char *anno, dragonfly_plus_param *params
}
}
if
(
DUMP_CONNECTIONS
)
{
if
(
!
myRank
)
{
for
(
int
i
=
0
;
i
<
connManagerList
.
size
();
i
++
)
{
connManagerList
[
i
].
print_connections
();
}
}
}
if
(
!
myRank
)
{
printf
(
"
\n
Total nodes %d routers %d groups %d routers per group %d radix %d
\n
"
,
p
->
num_cn
*
p
->
num_router_leaf
*
p
->
num_groups
,
p
->
total_routers
,
p
->
num_groups
,
p
->
num_routers
,
p
->
radix
);
...
...
@@ -829,6 +877,9 @@ static void dragonfly_read_config(const char *anno, dragonfly_plus_param *params
p
->
local_delay
=
bytes_to_ns
(
p
->
chunk_size
,
p
->
local_bandwidth
);
p
->
global_delay
=
bytes_to_ns
(
p
->
chunk_size
,
p
->
global_bandwidth
);
p
->
credit_delay
=
bytes_to_ns
(
CREDIT_SIZE
,
p
->
local_bandwidth
);
// assume 8 bytes packet
if
(
PRINT_CONFIG
)
dragonfly_plus_print_params
(
p
);
}
void
dragonfly_plus_configure
()
...
...
@@ -887,10 +938,10 @@ void dragonfly_plus_report_stats()
max_time
/
1000
,
(
float
)
final_msg_sz
/
total_finished_msgs
,
total_finished_msgs
,
total_finished_chunks
);
if
(
isRoutingAdaptive
(
routing
)
||
SHOW_ADAPTIVE_STATS
)
{
printf
(
"
\n
ADAPTIVE ROUTING STATS: %d chunks routed minimally %d chunks routed non-minimally
completed packets
%lld
\n
"
,
printf
(
"
\n
ADAPTIVE ROUTING STATS: %d chunks routed minimally %d chunks routed non-minimally
- completed packets:
%lld
\n
"
,
total_minimal_packets
,
total_nonmin_packets
,
total_finished_chunks
);
}
printf
(
"
\n
Total packets generated
%ld finished %ld Locally routed- same router %ld different-router %ld Remote (inter-group)
%ld
\n
"
,
total_gen
,
total_fin
,
total_local_packets_sr
,
total_local_packets_sg
,
total_remote_packets
);
printf
(
"
\n
Total packets generated
: %ld; finished: %ld; Locally routed: same router: %ld, different-router: %ld; Remote (inter-group):
%ld
\n
"
,
total_gen
,
total_fin
,
total_local_packets_sr
,
total_local_packets_sg
,
total_remote_packets
);
}
return
;
}
...
...
@@ -1285,8 +1336,8 @@ static void packet_generate(terminal_state *s, tw_bf *bf, terminal_plus_message
double
cn_delay
=
s
->
params
->
cn_delay
;
int
dest_router_id
=
dragonfly_plus_get_assigned_router_id
(
msg
->
dfp_dest_terminal_id
,
s
->
params
);
int
dest_grp_id
=
dest_router_id
/
s
->
params
->
num_routers
;
int
src_grp_id
=
s
->
router_id
/
s
->
params
->
num_routers
;
int
dest_grp_id
=
dest_router_id
/
s
->
params
->
num_routers
;
int
src_grp_id
=
s
->
router_id
/
s
->
params
->
num_routers
;
if
(
src_grp_id
==
dest_grp_id
)
{
...
...
@@ -1740,6 +1791,11 @@ static void packet_arrive(terminal_state *s, tw_bf *bf, terminal_plus_message *m
/* WE do not allow self messages through dragonfly */
assert
(
lp
->
gid
!=
msg
->
src_terminal_id
);
// Verify that the router that send the packet to this terminal is the router assigned to this terminal
int
dest_router_id
=
dragonfly_plus_get_assigned_router_id
(
s
->
terminal_id
,
s
->
params
);
int
received_from_rel_id
=
codes_mapping_get_lp_relative_id
(
msg
->
intm_lp_id
,
0
,
0
);
assert
(
dest_router_id
==
received_from_rel_id
);
uint64_t
num_chunks
=
msg
->
packet_size
/
s
->
params
->
chunk_size
;
if
(
msg
->
packet_size
<
s
->
params
->
chunk_size
)
num_chunks
++
;
...
...
@@ -2287,7 +2343,7 @@ static int get_min_hops_to_dest_from_conn(router_state *s, tw_bf *bf, terminal_p
vector
<
Connection
>
cons_to_dest_group
=
connManagerList
[
conn
.
dest_gid
].
get_connections_to_group
(
fdest_group_id
);
if
(
cons_to_dest_group
.
size
()
==
0
)
return
5
;
//Next Spine -> Leaf -> Spine -> Spine -> Leaf -> dest_term
else
else
return
3
;
//Next Spine -> Spine -> Leaf -> dest_term
}
else
{
...
...
@@ -2306,6 +2362,13 @@ static int dfp_score_connection(router_state *s, tw_bf *bf, terminal_plus_messag
int
score
=
0
;
//can't forget to initialize this to zero.
int
port
=
conn
.
port
;
if
(
port
==
-
1
)
{
if
(
scoring_preference
==
LOWER
)
return
INT_MAX
;
else
return
0
;
}
switch
(
scoring
)
{
case
ALPHA
:
//considers vc occupancy and queued count only LOWER SCORE IS BETTER
{
...
...
@@ -2328,7 +2391,7 @@ static int dfp_score_connection(router_state *s, tw_bf *bf, terminal_plus_messag
break
;
}
case
GAMMA
:
//consideres vc occupancy and queue count but ports that follow a minimal path to fdest are biased 2:1 bonus by multiplying minimal by 2 HIGHER SCORE IS BETTER
{
{
score
=
s
->
params
->
max_port_score
;
//initialize this to max score.
int
to_subtract
=
0
;
for
(
int
k
=
0
;
k
<
s
->
params
->
num_vcs
;
k
++
)
...
...
@@ -2668,7 +2731,7 @@ static Connection do_dfp_routing(router_state *s,
bool
in_intermediate_group
=
(
my_group_id
!=
origin_group_id
)
&&
(
my_group_id
!=
fdest_group_id
);
int
adaptive_threshold
=
s
->
params
->
adaptive_threshold
;
Connection
nextStopConn
;
//the connection that we will forward the packet to
//----------- LOCAL GROUP ROUTING --------------
if
(
my_router_id
==
fdest_router_id
)
{
...
...
@@ -2687,7 +2750,6 @@ static Connection do_dfp_routing(router_state *s,
//------------ END LOCAL GROUP ROUTING ---------
// from here we can assume that we are not in the destination group
Connection
theConn
;
if
(
isRoutingAdaptive
(
routing
))
{
if
(
routing
==
PROG_ADAPTIVE
)
...
...
@@ -2847,6 +2909,7 @@ static void router_packet_receive_rc(router_state *s, tw_bf *bf, terminal_plus_m
/* Packet arrives at the router and a credit is sent back to the sending terminal/router */
static
void
router_packet_receive
(
router_state
*
s
,
tw_bf
*
bf
,
terminal_plus_message
*
msg
,
tw_lp
*
lp
)
{
router_verify_valid_receipt
(
s
,
bf
,
msg
,
lp
);
router_ecount
++
;
tw_stime
ts
;
...
...
@@ -2947,7 +3010,6 @@ static void router_packet_receive(router_state *s, tw_bf *bf, terminal_plus_mess
m
->
type
=
R_SEND
;
m
->
magic
=
router_magic_num
;
m
->
vc_index
=
output_port
;
m
->
dfp_upward_channel_flag
=
msg
->
dfp_upward_channel_flag
;
tw_event_send
(
e
);
s
->
in_send_loop
[
output_port
]
=
1
;
...
...
@@ -3720,4 +3782,4 @@ struct model_net_method dragonfly_plus_router_method = {
// }
// #endif
}
}
\ No newline at end of file
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment