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da0413f1
Commit
da0413f1
authored
Apr 09, 2015
by
Jonathan Jenkins
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Plain Diff
made torus lps agnostic to groups and aware of annotations
parent
1099d429
Changes
1
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1 changed file
with
56 additions
and
47 deletions
+56
-47
src/models/networks/model-net/torus.c
src/models/networks/model-net/torus.c
+56
-47
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src/models/networks/model-net/torus.c
View file @
da0413f1
...
...
@@ -250,6 +250,33 @@ static void torus_configure(){
}
}
/* helper functions - convert between flat ids and torus n-dimensional ids */
static
void
to_dim_id
(
int
flat_id
,
int
ndims
,
const
int
*
dim_lens
,
int
*
out_dim_ids
)
{
for
(
int
i
=
0
;
i
<
ndims
;
i
++
)
{
out_dim_ids
[
i
]
=
flat_id
%
dim_lens
[
i
];
flat_id
/=
dim_lens
[
i
];
}
}
static
int
to_flat_id
(
int
ndims
,
const
int
*
dim_lens
,
const
int
*
dim_ids
)
{
int
flat_id
=
dim_ids
[
0
];
int
mult
=
dim_lens
[
0
];
for
(
int
i
=
1
;
i
<
ndims
;
i
++
)
{
flat_id
+=
dim_ids
[
i
]
*
mult
;
mult
*=
dim_lens
[
i
];
}
return
flat_id
;
}
void
torus_collective_init
(
nodes_state
*
s
,
tw_lp
*
lp
)
{
...
...
@@ -382,8 +409,6 @@ static void torus_init( nodes_state * s,
// shorthand
const
torus_param
*
p
=
s
->
params
;
int
intm_dim
=
mapping_rep_id
+
mapping_offset
;
s
->
neighbour_minus_lpID
=
(
int
*
)
malloc
(
p
->
n_dims
*
sizeof
(
int
));
s
->
neighbour_plus_lpID
=
(
int
*
)
malloc
(
p
->
n_dims
*
sizeof
(
int
));
s
->
dim_position
=
(
int
*
)
malloc
(
p
->
n_dims
*
sizeof
(
int
));
...
...
@@ -406,36 +431,30 @@ static void torus_init( nodes_state * s,
(
tw_stime
*
)
malloc
(
p
->
num_vc
*
sizeof
(
tw_stime
));
}
//printf("\n LP ID %d ", (int)lp->gid);
// calculate my torus co-ordinates
for
(
i
=
0
;
i
<
p
->
n_dims
;
i
++
)
{
s
->
dim_position
[
i
]
=
intm_dim
%
p
->
dim_length
[
i
];
//printf(" dim position %d ", s->dim_position[i]);
intm_dim
=
(
intm_dim
-
s
->
dim_position
[
i
]
)
/
p
->
dim_length
[
i
];
}
//printf("\n");
// calculate my torus coords
to_dim_id
(
codes_mapping_get_lp_relative_id
(
lp
->
gid
,
0
,
1
),
s
->
params
->
n_dims
,
s
->
params
->
dim_length
,
s
->
dim_position
);
int
temp_dim_pos
[
p
->
n_dims
];
for
(
i
=
0
;
i
<
p
->
n_dims
;
i
++
)
temp_dim_pos
[
i
]
=
s
->
dim_position
[
i
];
tw_lpid
neighbor_id
;
// calculate minus neighbour's lpID
for
(
j
=
0
;
j
<
p
->
n_dims
;
j
++
)
{
temp_dim_pos
[
j
]
=
(
s
->
dim_position
[
j
]
-
1
+
p
->
dim_length
[
j
])
%
p
->
dim_length
[
j
];
s
->
neighbour_minus_lpID
[
j
]
=
0
;
for
(
i
=
0
;
i
<
p
->
n_dims
;
i
++
)
s
->
neighbour_minus_lpID
[
j
]
+=
p
->
factor
[
i
]
*
temp_dim_pos
[
i
];
codes_mapping_get_lp_id
(
grp_name
,
LP_CONFIG_NM
,
s
->
anno
,
0
,
s
->
neighbour_minus_lpID
[
j
],
0
,
&
neighbor_id
);
//printf("\n minus neighbor %d lp id %d ", (int)s->neighbour_minus_lpID[ j ], (int)neighbor_id);
s
->
neighbour_minus_lpID
[
j
]
=
to_flat_id
(
p
->
n_dims
,
p
->
dim_length
,
temp_dim_pos
);
/* DEBUG
printf(" minus neighbor: flat:%d lpid:%lu\n",
s->neighbour_minus_lpID[j],
codes_mapping_get_lpid_from_relative(s->neighbour_minus_lpID[j],
NULL, LP_CONFIG_NM, s->anno, 1));
*/
temp_dim_pos
[
j
]
=
s
->
dim_position
[
j
];
}
// calculate plus neighbour's lpID
...
...
@@ -444,15 +463,16 @@ static void torus_init( nodes_state * s,
temp_dim_pos
[
j
]
=
(
s
->
dim_position
[
j
]
+
1
+
p
->
dim_length
[
j
])
%
p
->
dim_length
[
j
];
s
->
neighbour_plus_lpID
[
j
]
=
0
;
for
(
i
=
0
;
i
<
s
->
params
->
n_dims
;
i
++
)
s
->
neighbour_plus_lpID
[
j
]
+=
p
->
factor
[
i
]
*
temp_dim_pos
[
i
];
s
->
neighbour_plus_lpID
[
j
]
=
to_flat_id
(
p
->
n_dims
,
p
->
dim_length
,
temp_dim_pos
);
/* DEBUG
printf(" plus neighbor: flat:%d lpid:%lu\n",
s->neighbour_plus_lpID[j],
codes_mapping_get_lpid_from_relative(s->neighbour_plus_lpID[j],
NULL, LP_CONFIG_NM, s->anno, 1));
*/
codes_mapping_get_lp_id
(
grp_name
,
LP_CONFIG_NM
,
s
->
anno
,
0
,
s
->
neighbour_plus_lpID
[
j
],
0
,
&
neighbor_id
);
//printf("\n plus neighbor %d lp id %d ", (int)s->neighbour_plus_lpID[ j ], (int)neighbor_id);
temp_dim_pos
[
j
]
=
s
->
dim_position
[
j
];
}
...
...
@@ -748,27 +768,17 @@ static void dimension_order_routing( nodes_state * s,
int
*
dim
,
int
*
dir
)
{
int
dest
[
s
->
params
->
n_dims
],
i
,
dest_id
=
0
,
intm_dim
;
int
dest
[
s
->
params
->
n_dims
];
int
dest_id
;
/* dummys - check later */
*
dim
=
-
1
;
*
dir
=
-
1
;
//TODO: be annotation-aware
codes_mapping_get_lp_info
(
*
dst_lp
,
grp_name
,
&
mapping_grp_id
,
NULL
,
&
mapping_type_id
,
NULL
,
&
mapping_rep_id
,
&
mapping_offset
);
intm_dim
=
mapping_rep_id
+
mapping_offset
;
// find destination dimensions using destination LP ID
for
(
i
=
0
;
i
<
s
->
params
->
n_dims
;
i
++
)
{
dest
[
i
]
=
intm_dim
%
s
->
params
->
dim_length
[
i
];
intm_dim
=
(
intm_dim
-
dest
[
i
]
)
/
s
->
params
->
dim_length
[
i
];
}
to_dim_id
(
codes_mapping_get_lp_relative_id
(
*
dst_lp
,
0
,
1
),
s
->
params
->
n_dims
,
s
->
params
->
dim_length
,
dest
);
for
(
i
=
0
;
i
<
s
->
params
->
n_dims
;
i
++
)
for
(
int
i
=
0
;
i
<
s
->
params
->
n_dims
;
i
++
)
{
if
(
s
->
dim_position
[
i
]
-
dest
[
i
]
>
s
->
params
->
half_length
[
i
]
)
{
...
...
@@ -803,7 +813,8 @@ static void dimension_order_routing( nodes_state * s,
}
assert
(
*
dim
!=
-
1
&&
*
dir
!=
-
1
);
codes_mapping_get_lp_id
(
grp_name
,
LP_CONFIG_NM
,
NULL
,
1
,
dest_id
,
0
,
dst_lp
);
*
dst_lp
=
codes_mapping_get_lpid_from_relative
(
dest_id
,
NULL
,
LP_CONFIG_NM
,
s
->
anno
,
1
);
}
/*Generates a packet. If there is a buffer slot available, then the packet is
...
...
@@ -824,7 +835,6 @@ static void packet_generate( nodes_state * s,
tw_event
*
e_h
;
nodes_message
*
m
;
int
mapping_grp_id
,
mapping_rep_id
,
mapping_type_id
,
mapping_offset
;
tw_lpid
dst_lp
;
// TODO: be annotation-aware
dst_lp
=
model_net_find_local_device
(
TORUS
,
s
->
anno
,
0
,
...
...
@@ -1333,7 +1343,6 @@ static tw_lpid torus_find_local_device(
{
tw_lpid
dest_id
;
//TODO: be annotation-aware
codes_mapping_get_lp_info
(
sender
->
gid
,
grp_name
,
&
mapping_grp_id
,
NULL
,
&
mapping_type_id
,
NULL
,
&
mapping_rep_id
,
&
mapping_offset
);
codes_mapping_get_lp_id
(
grp_name
,
LP_CONFIG_NM
,
annotation
,
...
...
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