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Elsa Gonsiorowski
codes
Commits
7d2a86f0
Commit
7d2a86f0
authored
Sep 26, 2013
by
Philip Carns
Browse files
barrier example
parent
6e1a5b40
Changes
4
Hide whitespace changes
Inline
Side-by-side
codes/codes-workload.h
View file @
7d2a86f0
...
...
@@ -45,7 +45,7 @@ struct codes_workload_op
double
seconds
;
}
delay
;
struct
{
int
count
;
/* num ranks in barrier */
int
count
;
/* num ranks in barrier
, -1 means "all"
*/
int
root
;
/* root rank */
}
barrier
;
struct
{
...
...
src/workload/test-workload-method.c
View file @
7d2a86f0
...
...
@@ -50,12 +50,15 @@ int test_workload_load(const char* params, int rank)
new
->
rank
=
rank
;
/* synthetic workload
, just open file for now
*/
new
->
op_array_len
=
1
;
/* synthetic workload
for testing
*/
new
->
op_array_len
=
2
;
new
->
op_array_index
=
0
;
new
->
op_array
[
0
].
op_type
=
CODES_WK_OPEN
;
new
->
op_array
[
0
].
u
.
open
.
file_id
=
3
;
new
->
op_array
[
0
].
u
.
open
.
create_flag
=
1
;
new
->
op_array
[
1
].
op_type
=
CODES_WK_BARRIER
;
new
->
op_array
[
1
].
u
.
barrier
.
root
=
0
;
new
->
op_array
[
1
].
u
.
barrier
.
count
=
-
1
;
/* all ranks */
/* add to front of list of streams that we are tracking */
new
->
next
=
wkload_streams
;
...
...
tests/workload/codes-workload-test-cn-lp.c
View file @
7d2a86f0
...
...
@@ -23,19 +23,23 @@ typedef struct client_state client_state;
enum
client_event_type
{
CLIENT_KICKOFF
,
/* initial event */
CLIENT_KICKOFF
=
64
,
/* initial event */
CLIENT_OP_COMPLETE
,
/* finished previous I/O operation */
CLIENT_OP_BARRIER
,
/* event received at root to indicate barrier entry */
};
struct
client_state
{
int
my_rank
;
int
wkld_id
;
int
target_barrier_count
;
int
current_barrier_count
;
};
struct
client_msg
{
enum
client_event_type
event_type
;
int
barrier_count
;
};
static
void
handle_client_op_loop_rev_event
(
...
...
@@ -48,6 +52,17 @@ static void handle_client_op_loop_event(
tw_bf
*
b
,
client_msg
*
m
,
tw_lp
*
lp
);
static
void
handle_client_op_barrier_rev_event
(
client_state
*
ns
,
tw_bf
*
b
,
client_msg
*
m
,
tw_lp
*
lp
);
static
void
handle_client_op_barrier_event
(
client_state
*
ns
,
tw_bf
*
b
,
client_msg
*
m
,
tw_lp
*
lp
);
static
void
cn_enter_barrier
(
tw_lp
*
lp
,
tw_lpid
gid
,
int
count
);
static
void
client_init
(
client_state
*
ns
,
...
...
@@ -117,6 +132,9 @@ static void client_event(
case
CLIENT_OP_COMPLETE
:
handle_client_op_loop_event
(
ns
,
b
,
m
,
lp
);
break
;
case
CLIENT_OP_BARRIER
:
handle_client_op_barrier_event
(
ns
,
b
,
m
,
lp
);
break
;
default:
assert
(
0
);
break
;
...
...
@@ -132,8 +150,12 @@ static void client_rev_event(
switch
(
m
->
event_type
)
{
case
CLIENT_KICKOFF
:
case
CLIENT_OP_COMPLETE
:
handle_client_op_loop_rev_event
(
ns
,
b
,
m
,
lp
);
break
;
case
CLIENT_OP_BARRIER
:
handle_client_op_barrier_rev_event
(
ns
,
b
,
m
,
lp
);
break
;
default:
assert
(
0
);
break
;
...
...
@@ -155,6 +177,18 @@ static tw_peid node_mapping(
return
(
tw_peid
)
gid
/
g_tw_nlp
;
}
static
void
handle_client_op_barrier_rev_event
(
client_state
*
ns
,
tw_bf
*
b
,
client_msg
*
m
,
tw_lp
*
lp
)
{
/* TODO: fill this in */
assert
(
0
);
return
;
}
static
void
handle_client_op_loop_rev_event
(
client_state
*
ns
,
tw_bf
*
b
,
...
...
@@ -167,7 +201,44 @@ static void handle_client_op_loop_rev_event(
return
;
}
/* handle initial event */
/* handle barrier */
static
void
handle_client_op_barrier_event
(
client_state
*
ns
,
tw_bf
*
b
,
client_msg
*
m
,
tw_lp
*
lp
)
{
tw_event
*
e
;
client_msg
*
m_out
;
int
i
;
assert
(
ns
->
target_barrier_count
==
0
||
ns
->
target_barrier_count
==
m
->
barrier_count
);
if
(
ns
->
target_barrier_count
==
0
)
{
ns
->
target_barrier_count
=
m
->
barrier_count
;
ns
->
current_barrier_count
=
0
;
}
ns
->
current_barrier_count
++
;
if
(
ns
->
current_barrier_count
==
ns
->
target_barrier_count
)
{
/* release all clients, including self */
for
(
i
=
0
;
i
<
ns
->
current_barrier_count
;
i
++
)
{
e
=
codes_event_new
(
lp
->
gid
+
i
,
codes_local_latency
(
lp
),
lp
);
m_out
=
tw_event_data
(
e
);
m_out
->
event_type
=
CLIENT_OP_COMPLETE
;
tw_event_send
(
e
);
}
ns
->
current_barrier_count
=
0
;
ns
->
target_barrier_count
=
0
;
}
return
;
}
/* event indicates that we can issue the next operation */
static
void
handle_client_op_loop_event
(
client_state
*
ns
,
tw_bf
*
b
,
...
...
@@ -197,8 +268,18 @@ static void handle_client_op_loop_event(
{
case
CODES_WK_END
:
printf
(
"Client rank %d completed workload.
\n
"
,
ns
->
my_rank
);
/* stop issuing events; we are done */
return
;
break
;
case
CODES_WK_BARRIER
:
printf
(
"Client rank %d hit barrier.
\n
"
,
ns
->
my_rank
);
cn_enter_barrier
(
lp
,
op
.
u
.
barrier
.
root
,
op
.
u
.
barrier
.
count
);
return
;
break
;
/* "normal" io operations: we just calculate the destination and
* then continue after the switch block to send the specified
* operation to a server.
*/
case
CODES_WK_OPEN
:
printf
(
"Client rank %d will issue an open request.
\n
"
,
ns
->
my_rank
);
dest_svr_id
=
g_num_clients
+
op
.
u
.
open
.
file_id
%
g_num_servers
;
...
...
@@ -213,6 +294,24 @@ static void handle_client_op_loop_event(
return
;
}
static
void
cn_enter_barrier
(
tw_lp
*
lp
,
tw_lpid
gid
,
int
count
)
{
tw_event
*
e
;
client_msg
*
m_out
;
e
=
codes_event_new
(
gid
,
codes_local_latency
(
lp
),
lp
);
m_out
=
tw_event_data
(
e
);
m_out
->
event_type
=
CLIENT_OP_BARRIER
;
if
(
count
==
-
1
)
m_out
->
barrier_count
=
g_num_clients
;
else
m_out
->
barrier_count
=
count
;
tw_event_send
(
e
);
return
;
}
void
cn_op_complete
(
tw_lp
*
lp
,
tw_lpid
gid
)
{
tw_event
*
e
;
...
...
tests/workload/codes-workload-test-svr-lp.c
View file @
7d2a86f0
...
...
@@ -21,7 +21,7 @@ typedef struct svr_state svr_state;
enum
svr_event_type
{
SVR_OP
,
SVR_OP
=
128
,
};
struct
svr_state
...
...
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