Skip to content
Toggle navigation
P
Projects
G
Groups
S
Snippets
Help
FORMUS3IC_LAS3
/
embb
This project
Loading...
Sign in
Toggle navigation
Go to a project
Project
Repository
Issues
0
Merge Requests
0
Pipelines
Wiki
Members
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Commit
e9783817
authored
Nov 03, 2016
by
Marcus Winter
Browse files
Options
Browse Files
Download
Plain Diff
Merge branch 'embb613_reuse_main_thread' into embb620_detached_tasks
parents
bcd0ad73
6b97196b
Hide whitespace changes
Inline
Side-by-side
Showing
9 changed files
with
159 additions
and
92 deletions
+159
-92
dataflow_cpp/include/embb/dataflow/internal/scheduler.h
+3
-0
dataflow_cpp/include/embb/dataflow/internal/scheduler_mtapi.h
+10
-0
dataflow_cpp/include/embb/dataflow/internal/scheduler_sequential.h
+5
-0
dataflow_cpp/include/embb/dataflow/internal/source.h
+3
-1
dataflow_cpp/test/dataflow_cpp_test_simple.cc
+7
-2
dataflow_cpp/test/dataflow_cpp_test_simple.h
+2
-0
mtapi_c/src/embb_mtapi_scheduler_t.c
+98
-89
mtapi_c/src/embb_mtapi_scheduler_t.h
+9
-0
mtapi_cpp/include/embb/mtapi/node_attributes.h
+22
-0
No files found.
dataflow_cpp/include/embb/dataflow/internal/scheduler.h
View file @
e9783817
...
...
@@ -46,6 +46,9 @@ class Scheduler {
int
process_id
,
Action
&
action
,
embb
::
mtapi
::
ExecutionPolicy
const
&
policy
)
=
0
;
virtual
void
Run
(
Action
&
action
,
embb
::
mtapi
::
ExecutionPolicy
const
&
policy
)
=
0
;
virtual
void
WaitForSlice
(
int
slice
)
=
0
;
virtual
int
GetSlices
()
=
0
;
};
...
...
dataflow_cpp/include/embb/dataflow/internal/scheduler_mtapi.h
View file @
e9783817
...
...
@@ -105,6 +105,16 @@ class SchedulerMTAPI : public Scheduler {
group_
[
idx
].
Start
(
job_
,
&
action
,
static_cast
<
void
*>
(
NULL
),
task_attr
);
}
virtual
void
Run
(
Action
&
action
,
embb
::
mtapi
::
ExecutionPolicy
const
&
policy
)
{
embb
::
mtapi
::
Node
&
node
=
embb
::
mtapi
::
Node
::
GetInstance
();
embb
::
mtapi
::
TaskAttributes
task_attr
;
task_attr
.
SetPolicy
(
policy
);
embb
::
mtapi
::
Task
task
=
node
.
Start
(
job_
,
&
action
,
static_cast
<
void
*>
(
NULL
),
task_attr
);
task
.
Wait
();
}
virtual
void
Enqueue
(
int
process_id
,
Action
&
action
,
...
...
dataflow_cpp/include/embb/dataflow/internal/scheduler_sequential.h
View file @
e9783817
...
...
@@ -43,6 +43,11 @@ class SchedulerSequential : public Scheduler {
embb
::
mtapi
::
ExecutionPolicy
const
&
)
{
action
.
RunSequential
();
}
virtual
void
Run
(
Action
&
action
,
embb
::
mtapi
::
ExecutionPolicy
const
&
)
{
action
.
RunSequential
();
}
virtual
void
Enqueue
(
int
,
Action
&
action
,
...
...
dataflow_cpp/include/embb/dataflow/internal/source.h
View file @
e9783817
...
...
@@ -32,6 +32,7 @@
#include <embb/dataflow/internal/node.h>
#include <embb/dataflow/internal/outputs.h>
#include <embb/dataflow/internal/source_executor.h>
#include <embb/dataflow/internal/action.h>
namespace
embb
{
namespace
dataflow
{
...
...
@@ -67,7 +68,8 @@ class Source< Outputs<O1, O2, O3, O4, O5> >
virtual
bool
Start
(
int
clock
)
{
if
(
not_done_
)
{
Run
(
clock
);
Action
act
(
this
,
clock
);
sched_
->
Run
(
act
,
embb
::
mtapi
::
ExecutionPolicy
());
}
return
not_done_
;
}
...
...
dataflow_cpp/test/dataflow_cpp_test_simple.cc
View file @
e9783817
...
...
@@ -150,11 +150,12 @@ SimpleTest::SimpleTest() {
#define MTAPI_DOMAIN_ID 1
#define MTAPI_NODE_ID 1
void
SimpleTest
::
T
estBasic
(
)
{
void
SimpleTest
::
T
rySimple
(
bool
reuse_main_thread
)
{
// All available cores
embb
::
base
::
CoreSet
core_set
(
true
);
embb
::
mtapi
::
NodeAttributes
node_attr
;
node_attr
.
SetReuseMainThread
(
reuse_main_thread
?
MTAPI_TRUE
:
MTAPI_FALSE
)
.
SetCoreAffinity
(
core_set
)
.
SetMaxQueues
(
2
);
embb
::
mtapi
::
Node
::
Initialize
(
...
...
@@ -162,7 +163,7 @@ void SimpleTest::TestBasic() {
MTAPI_NODE_ID
,
node_attr
);
for
(
int
ii
=
0
;
ii
<
1000
0
;
ii
++
)
{
for
(
int
ii
=
0
;
ii
<
1000
;
ii
++
)
{
ArraySink
<
TEST_COUNT
>
asink
;
MyNetwork
network
(
NUM_SLICES
);
MyConstantSource
constant
(
network
,
4
);
...
...
@@ -225,3 +226,7 @@ void SimpleTest::TestBasic() {
PT_EXPECT
(
embb_get_bytes_allocated
()
==
0
);
}
void
SimpleTest
::
TestBasic
()
{
TrySimple
(
false
);
TrySimple
(
true
);
}
dataflow_cpp/test/dataflow_cpp_test_simple.h
View file @
e9783817
...
...
@@ -35,6 +35,8 @@ class SimpleTest : public partest::TestCase {
private
:
void
TestBasic
();
void
TrySimple
(
bool
reuse_main_thread
);
};
#endif // DATAFLOW_CPP_TEST_DATAFLOW_CPP_TEST_SIMPLE_H_
mtapi_c/src/embb_mtapi_scheduler_t.c
View file @
e9783817
...
...
@@ -213,6 +213,102 @@ embb_mtapi_thread_context_t * embb_mtapi_scheduler_get_current_thread_context(
return
context
;
}
mtapi_boolean_t
embb_mtapi_scheduler_execute_task
(
embb_mtapi_task_t
*
task
,
embb_mtapi_node_t
*
node
,
embb_mtapi_thread_context_t
*
thread_context
)
{
embb_mtapi_task_context_t
task_context
;
mtapi_boolean_t
result
=
MTAPI_FALSE
;
embb_mtapi_queue_t
*
local_queue
=
MTAPI_NULL
;
embb_mtapi_group_t
*
local_group
=
MTAPI_NULL
;
embb_mtapi_action_t
*
local_action
=
MTAPI_NULL
;
/* is task associated with a queue? */
if
(
embb_mtapi_queue_pool_is_handle_valid
(
node
->
queue_pool
,
task
->
queue
))
{
local_queue
=
embb_mtapi_queue_pool_get_storage_for_handle
(
node
->
queue_pool
,
task
->
queue
);
}
/* is task associated with a group? */
if
(
embb_mtapi_group_pool_is_handle_valid
(
node
->
group_pool
,
task
->
group
))
{
local_group
=
embb_mtapi_group_pool_get_storage_for_handle
(
node
->
group_pool
,
task
->
group
);
}
if
(
embb_mtapi_action_pool_is_handle_valid
(
node
->
action_pool
,
task
->
action
))
{
local_action
=
embb_mtapi_action_pool_get_storage_for_handle
(
node
->
action_pool
,
task
->
action
);
}
switch
(
embb_atomic_load_int
(
&
task
->
state
))
{
case
MTAPI_TASK_SCHEDULED
:
/* multi-instance task, another instance might be running */
case
MTAPI_TASK_RUNNING
:
/* there was work, execute it */
embb_mtapi_task_context_initialize_with_thread_context_and_task
(
&
task_context
,
thread_context
,
task
);
if
(
embb_mtapi_task_execute
(
task
,
&
task_context
))
{
/* tell queue that a task is done */
if
(
MTAPI_NULL
!=
local_queue
)
{
embb_mtapi_queue_task_finished
(
local_queue
);
}
}
result
=
MTAPI_TRUE
;
break
;
case
MTAPI_TASK_RETAINED
:
/* put task into queue again for later execution */
embb_mtapi_scheduler_schedule_task
(
node
->
scheduler
,
task
,
0
);
/* yield, as there may be only retained tasks in the queue */
embb_thread_yield
();
/* task is not done, so do not notify queue */
break
;
case
MTAPI_TASK_CANCELLED
:
/* set return value to cancelled */
task
->
error_code
=
MTAPI_ERR_ACTION_CANCELLED
;
if
(
embb_atomic_fetch_and_add_unsigned_int
(
&
task
->
instances_todo
,
(
unsigned
int
)
-
1
)
==
0
)
{
/* tell queue that a task is done */
if
(
MTAPI_NULL
!=
local_queue
)
{
embb_mtapi_queue_task_finished
(
local_queue
);
}
if
(
MTAPI_NULL
!=
local_group
)
{
embb_mtapi_task_queue_push
(
&
local_group
->
queue
,
task
);
}
}
if
(
MTAPI_NULL
!=
local_action
)
{
embb_atomic_fetch_and_add_int
(
&
local_action
->
num_tasks
,
-
1
);
}
break
;
case
MTAPI_TASK_COMPLETED
:
case
MTAPI_TASK_DELETED
:
case
MTAPI_TASK_WAITING
:
case
MTAPI_TASK_CREATED
:
case
MTAPI_TASK_PRENATAL
:
case
MTAPI_TASK_ERROR
:
case
MTAPI_TASK_INTENTIONALLY_UNUSED
:
default:
/* do nothing, although this is an error */
break
;
}
/* issue task complete callback if set */
if
(
MTAPI_NULL
!=
task
->
attributes
.
complete_func
)
{
task
->
attributes
.
complete_func
(
task
->
handle
,
MTAPI_NULL
);
}
return
result
;
}
void
embb_mtapi_scheduler_execute_task_or_yield
(
embb_mtapi_scheduler_t
*
that
,
embb_mtapi_node_t
*
node
,
...
...
@@ -225,10 +321,7 @@ void embb_mtapi_scheduler_execute_task_or_yield(
that
,
node
,
thread_context
);
/* if there was work, execute it */
if
(
MTAPI_NULL
!=
new_task
)
{
embb_mtapi_task_context_t
task_context
;
embb_mtapi_task_context_initialize_with_thread_context_and_task
(
&
task_context
,
thread_context
,
new_task
);
embb_mtapi_task_execute
(
new_task
,
&
task_context
);
embb_mtapi_scheduler_execute_task
(
new_task
,
node
,
thread_context
);
}
else
{
embb_thread_yield
();
}
...
...
@@ -253,7 +346,6 @@ embb_mtapi_scheduler_worker_func(embb_mtapi_scheduler_t * that) {
int
embb_mtapi_scheduler_worker
(
void
*
arg
)
{
embb_mtapi_thread_context_t
*
thread_context
=
(
embb_mtapi_thread_context_t
*
)
arg
;
embb_mtapi_task_context_t
task_context
;
embb_mtapi_node_t
*
node
;
embb_duration_t
sleep_duration
;
int
err
;
...
...
@@ -293,91 +385,8 @@ int embb_mtapi_scheduler_worker(void * arg) {
node
->
scheduler
,
node
,
thread_context
);
/* check if there was work */
if
(
MTAPI_NULL
!=
task
)
{
embb_mtapi_queue_t
*
local_queue
=
MTAPI_NULL
;
embb_mtapi_group_t
*
local_group
=
MTAPI_NULL
;
embb_mtapi_action_t
*
local_action
=
MTAPI_NULL
;
/* is task associated with a queue? */
if
(
embb_mtapi_queue_pool_is_handle_valid
(
node
->
queue_pool
,
task
->
queue
))
{
local_queue
=
embb_mtapi_queue_pool_get_storage_for_handle
(
node
->
queue_pool
,
task
->
queue
);
}
/* is task associated with a group? */
if
(
embb_mtapi_group_pool_is_handle_valid
(
node
->
group_pool
,
task
->
group
))
{
local_group
=
embb_mtapi_group_pool_get_storage_for_handle
(
node
->
group_pool
,
task
->
group
);
}
if
(
embb_mtapi_action_pool_is_handle_valid
(
node
->
action_pool
,
task
->
action
))
{
local_action
=
embb_mtapi_action_pool_get_storage_for_handle
(
node
->
action_pool
,
task
->
action
);
}
switch
(
embb_atomic_load_int
(
&
task
->
state
))
{
case
MTAPI_TASK_SCHEDULED
:
/* multi-instance task, another instance might be running */
case
MTAPI_TASK_RUNNING
:
/* there was work, execute it */
embb_mtapi_task_context_initialize_with_thread_context_and_task
(
&
task_context
,
thread_context
,
task
);
if
(
embb_mtapi_task_execute
(
task
,
&
task_context
))
{
/* tell queue that a task is done */
if
(
MTAPI_NULL
!=
local_queue
)
{
embb_mtapi_queue_task_finished
(
local_queue
);
}
}
if
(
embb_mtapi_scheduler_execute_task
(
task
,
node
,
thread_context
))
{
counter
=
0
;
break
;
case
MTAPI_TASK_RETAINED
:
/* put task into queue again for later execution */
embb_mtapi_scheduler_schedule_task
(
node
->
scheduler
,
task
,
0
);
/* yield, as there may be only retained tasks in the queue */
embb_thread_yield
();
/* task is not done, so do not notify queue */
break
;
case
MTAPI_TASK_CANCELLED
:
/* set return value to cancelled */
task
->
error_code
=
MTAPI_ERR_ACTION_CANCELLED
;
if
(
embb_atomic_fetch_and_add_unsigned_int
(
&
task
->
instances_todo
,
(
unsigned
int
)
-
1
)
==
0
)
{
/* tell queue that a task is done */
if
(
MTAPI_NULL
!=
local_queue
)
{
embb_mtapi_queue_task_finished
(
local_queue
);
}
if
(
MTAPI_NULL
!=
local_group
)
{
embb_mtapi_task_queue_push
(
&
local_group
->
queue
,
task
);
}
}
if
(
MTAPI_NULL
!=
local_action
)
{
embb_atomic_fetch_and_add_int
(
&
local_action
->
num_tasks
,
-
1
);
}
break
;
case
MTAPI_TASK_COMPLETED
:
case
MTAPI_TASK_DELETED
:
case
MTAPI_TASK_WAITING
:
case
MTAPI_TASK_CREATED
:
case
MTAPI_TASK_PRENATAL
:
case
MTAPI_TASK_ERROR
:
case
MTAPI_TASK_INTENTIONALLY_UNUSED
:
default:
/* do nothing, although this is an error */
break
;
}
/* issue task complete callback if set */
if
(
MTAPI_NULL
!=
task
->
attributes
.
complete_func
)
{
task
->
attributes
.
complete_func
(
task
->
handle
,
MTAPI_NULL
);
}
if
(
MTAPI_TRUE
==
task
->
attributes
.
is_detached
)
{
embb_mtapi_task_delete
(
task
,
node
->
task_pool
);
...
...
mtapi_c/src/embb_mtapi_scheduler_t.h
View file @
e9783817
...
...
@@ -138,6 +138,15 @@ embb_mtapi_thread_context_t * embb_mtapi_scheduler_get_current_thread_context(
embb_mtapi_scheduler_t
*
that
);
/**
* Executes the given task if the thread context is valid.
* \memberof embb_mtapi_scheduler_struct
*/
mtapi_boolean_t
embb_mtapi_scheduler_execute_task
(
embb_mtapi_task_t
*
task
,
embb_mtapi_node_t
*
node
,
embb_mtapi_thread_context_t
*
thread_context
);
/**
* Fetches and executes a single task if the thread context is valid,
* yields otherwise.
* \memberof embb_mtapi_scheduler_struct
...
...
mtapi_cpp/include/embb/mtapi/node_attributes.h
View file @
e9783817
...
...
@@ -43,6 +43,8 @@ class NodeAttributes {
public
:
/**
* Constructs a NodeAttributes object.
*
* \waitfree
*/
NodeAttributes
()
{
mtapi_status_t
status
;
...
...
@@ -52,6 +54,8 @@ class NodeAttributes {
/**
* Copies a NodeAttributes object.
*
* \waitfree
*/
NodeAttributes
(
NodeAttributes
const
&
other
/**< The NodeAttributes to copy. */
...
...
@@ -62,6 +66,8 @@ class NodeAttributes {
/**
* Copies a NodeAttributes object.
*
* \waitfree
*/
void
operator
=
(
NodeAttributes
const
&
other
/**< The NodeAttributes to copy. */
...
...
@@ -233,6 +239,22 @@ class NodeAttributes {
}
/**
* Enables or disables the reuse of the main thread as a worker.
*
* \returns Reference to this object.
* \notthreadsafe
*/
NodeAttributes
&
SetReuseMainThread
(
mtapi_boolean_t
reuse
)
{
mtapi_status_t
status
;
mtapi_nodeattr_set
(
&
attributes_
,
MTAPI_NODE_REUSE_MAIN_THREAD
,
&
reuse
,
sizeof
(
reuse
),
&
status
);
internal
::
CheckStatus
(
status
);
return
*
this
;
}
/**
* Returns the internal representation of this object.
* Allows for interoperability with the C interface.
*
...
...
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