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cpp-libs
Actor Framework
Commits
258fd659
Commit
258fd659
authored
Feb 03, 2014
by
Joseph Noir
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data copy to GPU is now asynchronous
parent
d6ddf1ff
Changes
2
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2 changed files
with
63 additions
and
35 deletions
+63
-35
libcaf_opencl/cppa/opencl/actor_facade.hpp
libcaf_opencl/cppa/opencl/actor_facade.hpp
+48
-25
libcaf_opencl/cppa/opencl/command.hpp
libcaf_opencl/cppa/opencl/command.hpp
+15
-10
No files found.
libcaf_opencl/cppa/opencl/actor_facade.hpp
View file @
258fd659
...
...
@@ -132,6 +132,9 @@ class actor_facade<Ret(Args...)> : public actor {
private:
using
evnt_vec
=
std
::
vector
<
cl_event
>
;
using
args_vec
=
std
::
vector
<
mem_ptr
>
;
actor_facade
(
const
program
&
prog
,
kernel_ptr
kernel
,
const
dim_vec
&
global_dimensions
,
...
...
@@ -162,22 +165,23 @@ class actor_facade<Ret(Args...)> : public actor {
auto
opt
=
m_map_args
(
std
::
move
(
msg
));
if
(
opt
)
{
response_handle
handle
{
this
,
sender
,
id
.
response_id
()};
std
::
vector
<
mem_ptr
>
arguments
;
std
::
vector
<
cl_event
>
events
;
add_arguments_to_kernel
<
Ret
>
(
arguments
,
evnt_vec
events
;
args_vec
arguments
;
add_arguments_to_kernel
<
Ret
>
(
events
,
arguments
,
m_result_size
,
get_ref
<
Is
>
(
*
opt
)...);
auto
cmd
=
make_counted
<
command
<
actor_facade
,
Ret
>>
(
handle
,
this
,
std
::
move
(
arguments
),
std
::
move
(
events
),
m_result_size
);
std
::
move
(
arguments
),
m_result_size
,
opt
);
cmd
->
enqueue
();
}
else
{
CPPA_LOGMF
(
CPPA_ERROR
,
this
,
"actor_facade::enqueue() tuple_cast failed."
);
}
}
typedef
std
::
vector
<
mem_ptr
>
args_vec
;
kernel_ptr
m_kernel
;
program_ptr
m_program
;
...
...
@@ -190,7 +194,7 @@ class actor_facade<Ret(Args...)> : public actor {
result_mapping
m_map_result
;
size_t
m_result_size
;
void
add_arguments_to_kernel_rec
(
args_vec
&
arguments
)
{
void
add_arguments_to_kernel_rec
(
evnt_vec
&
,
args_vec
&
arguments
)
{
cl_int
err
{
0
};
// rotate left (output buffer to the end)
rotate
(
begin
(
arguments
),
begin
(
arguments
)
+
1
,
end
(
arguments
));
...
...
@@ -202,30 +206,50 @@ class actor_facade<Ret(Args...)> : public actor {
CPPA_LOG_ERROR_IF
(
err
!=
CL_SUCCESS
,
"clSetKernelArg: "
<<
get_opencl_error
(
err
));
}
clFlush
(
m_queue
.
get
());
}
template
<
typename
T0
,
typename
...
Ts
>
void
add_arguments_to_kernel_rec
(
args_vec
&
arguments
,
void
add_arguments_to_kernel_rec
(
evnt_vec
&
events
,
args_vec
&
arguments
,
T0
&
arg0
,
Ts
&
...
args
)
{
cl_int
err
{
0
};
auto
buf
=
clCreateBuffer
(
m_context
.
get
(),
CL_MEM_READ_ONLY
|
CL_MEM_COPY_HOST_PTR
,
sizeof
(
typename
T0
::
value_type
)
*
arg0
.
size
(),
arg0
.
data
(),
&
err
);
size_t
buffer_size
=
sizeof
(
typename
T0
::
value_type
)
*
arg0
.
size
();
auto
buffer
=
clCreateBuffer
(
m_context
.
get
(),
CL_MEM_READ_ONLY
,
buffer_size
,
nullptr
,
&
err
);
if
(
err
!=
CL_SUCCESS
)
{
CPPA_LOGMF
(
CPPA_ERROR
,
this
,
"clCreateBuffer: "
<<
get_opencl_error
(
err
));
return
;
}
else
{
mem_ptr
tmp
;
tmp
.
adopt
(
std
::
move
(
buf
));
arguments
.
push_back
(
tmp
);
add_arguments_to_kernel_rec
(
arguments
,
args
...);
cl_event
event
;
err
=
clEnqueueWriteBuffer
(
m_queue
.
get
(),
buffer
,
CL_FALSE
,
0
,
buffer_size
,
arg0
.
data
(),
0
,
nullptr
,
// events.size(),
// (events.size() == 0 ? nullptr : events.data()),
&
event
);
if
(
err
!=
CL_SUCCESS
)
{
CPPA_LOGMF
(
CPPA_ERROR
,
this
,
"clEnqueueWriteBuffer: "
<<
get_opencl_error
(
err
));
return
;
}
events
.
push_back
(
std
::
move
(
event
));
mem_ptr
tmp
;
tmp
.
adopt
(
std
::
move
(
buffer
));
arguments
.
push_back
(
tmp
);
add_arguments_to_kernel_rec
(
events
,
arguments
,
args
...);
}
template
<
typename
R
,
typename
...
Ts
>
void
add_arguments_to_kernel
(
args_vec
&
arguments
,
void
add_arguments_to_kernel
(
evnt_vec
&
events
,
args_vec
&
arguments
,
size_t
ret_size
,
Ts
&&
...
args
)
{
arguments
.
clear
();
...
...
@@ -237,13 +261,12 @@ class actor_facade<Ret(Args...)> : public actor {
&
err
);
if
(
err
!=
CL_SUCCESS
)
{
CPPA_LOGMF
(
CPPA_ERROR
,
this
,
"clCreateBuffer: "
<<
get_opencl_error
(
err
));
return
;
}
else
{
mem_ptr
tmp
;
tmp
.
adopt
(
std
::
move
(
buf
));
arguments
.
push_back
(
tmp
);
add_arguments_to_kernel_rec
(
arguments
,
std
::
forward
<
Ts
>
(
args
)...);
}
mem_ptr
tmp
;
tmp
.
adopt
(
std
::
move
(
buf
));
arguments
.
push_back
(
tmp
);
add_arguments_to_kernel_rec
(
events
,
arguments
,
std
::
forward
<
Ts
>
(
args
)...);
}
};
...
...
libcaf_opencl/cppa/opencl/command.hpp
View file @
258fd659
...
...
@@ -53,16 +53,18 @@ class command : public ref_counted {
command
(
response_handle
handle
,
intrusive_ptr
<
T
>
actor_facade
,
std
::
vector
<
mem_ptr
>
arguments
,
std
::
vector
<
cl_event
>
events
,
size_t
result_size
)
std
::
vector
<
mem_ptr
>
arguments
,
size_t
result_size
,
any_tuple
msg
)
:
m_result_size
(
result_size
)
,
m_handle
(
handle
)
,
m_actor_facade
(
actor_facade
)
,
m_queue
(
actor_facade
->
m_queue
)
,
m_arguments
(
std
::
move
(
arguments
))
,
m_events
(
std
::
move
(
events
))
,
m_result
(
m_result_size
)
{
}
,
m_arguments
(
std
::
move
(
arguments
))
,
m_result
(
m_result_size
)
,
m_msg
(
msg
)
{
}
~
command
()
{
cl_int
err
{
0
};
...
...
@@ -83,21 +85,20 @@ class command : public ref_counted {
auto
data_or_nullptr
=
[](
const
dim_vec
&
vec
)
{
return
vec
.
empty
()
?
nullptr
:
vec
.
data
();
};
err
=
clEnqueueNDRangeKernel
(
m_queue
.
get
(),
m_actor_facade
->
m_kernel
.
get
(),
m_actor_facade
->
m_global_dimensions
.
size
(),
data_or_nullptr
(
m_actor_facade
->
m_global_offsets
),
data_or_nullptr
(
m_actor_facade
->
m_global_dimensions
),
data_or_nullptr
(
m_actor_facade
->
m_local_dimensions
),
0
,
nullptr
,
m_events
.
size
()
,
(
m_events
.
empty
()
?
nullptr
:
m_events
.
data
())
,
&
event_k
);
m_events
.
push_back
(
event_k
);
if
(
err
!=
CL_SUCCESS
)
{
CPPA_LOGMF
(
CPPA_ERROR
,
self
,
"clEnqueueNDRangeKernel: "
<<
get_opencl_error
(
err
));
this
->
deref
();
// or can anything actually happen?
return
;
}
else
{
cl_event
event_r
;
...
...
@@ -110,11 +111,11 @@ class command : public ref_counted {
1
,
&
event_k
,
&
event_r
);
m_events
.
push_back
(
event_r
);
if
(
err
!=
CL_SUCCESS
)
{
throw
std
::
runtime_error
(
"clEnqueueReadBuffer: "
+
get_opencl_error
(
err
));
this
->
deref
();
// failed to enqueue command
return
;
}
err
=
clSetEventCallback
(
event_r
,
CL_COMPLETE
,
...
...
@@ -128,12 +129,15 @@ class command : public ref_counted {
CPPA_LOGMF
(
CPPA_ERROR
,
self
,
"clSetEventCallback: "
<<
get_opencl_error
(
err
));
this
->
deref
();
// callback is not set
return
;
}
err
=
clFlush
(
m_queue
.
get
());
if
(
err
!=
CL_SUCCESS
)
{
CPPA_LOGMF
(
CPPA_ERROR
,
self
,
"clFlush: "
<<
get_opencl_error
(
err
));
}
m_events
.
push_back
(
std
::
move
(
event_k
));
m_events
.
push_back
(
std
::
move
(
event_r
));
}
}
...
...
@@ -143,9 +147,10 @@ class command : public ref_counted {
response_handle
m_handle
;
intrusive_ptr
<
T
>
m_actor_facade
;
command_queue_ptr
m_queue
;
std
::
vector
<
mem_ptr
>
m_arguments
;
std
::
vector
<
cl_event
>
m_events
;
std
::
vector
<
mem_ptr
>
m_arguments
;
R
m_result
;
any_tuple
m_msg
;
// required to keep the argument buffers alive (for async copy)
void
handle_results
()
{
reply_tuple_to
(
m_handle
,
m_actor_facade
->
m_map_result
(
m_result
));
...
...
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