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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
提交
26a83ed1
编写于
9月 05, 2023
作者:
S
sneaxiy
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
hack event
上级
5a9214d8
变更
10
隐藏空白更改
内联
并排
Showing
10 changed file
with
215 addition
and
4 deletion
+215
-4
paddle/fluid/distributed/collective/process_group_nccl.cc
paddle/fluid/distributed/collective/process_group_nccl.cc
+111
-1
paddle/fluid/distributed/collective/process_group_nccl.h
paddle/fluid/distributed/collective/process_group_nccl.h
+21
-0
paddle/fluid/pybind/cuda_streams_py.cc
paddle/fluid/pybind/cuda_streams_py.cc
+1
-0
paddle/fluid/pybind/distributed_py.cc
paddle/fluid/pybind/distributed_py.cc
+57
-3
paddle/phi/api/profiler/event.h
paddle/phi/api/profiler/event.h
+7
-0
paddle/phi/backends/event.cc
paddle/phi/backends/event.cc
+8
-0
paddle/phi/backends/event.h
paddle/phi/backends/event.h
+1
-0
paddle/phi/core/flags.cc
paddle/phi/core/flags.cc
+4
-0
python/paddle/distributed/communication/group.py
python/paddle/distributed/communication/group.py
+3
-0
python/paddle/distributed/fleet/meta_parallel/pp_utils/p2p_communication.py
...ributed/fleet/meta_parallel/pp_utils/p2p_communication.py
+2
-0
未找到文件。
paddle/fluid/distributed/collective/process_group_nccl.cc
浏览文件 @
26a83ed1
...
...
@@ -27,6 +27,7 @@
DECLARE_bool
(
benchmark
);
DECLARE_bool
(
nccl_blocking_wait
);
DECLARE_bool
(
use_stream_safe_cuda_allocator
);
DECLARE_bool
(
enable_process_group_event_record
);
// set this flag to `true` and recompile to enable dynamic checks
constexpr
bool
FLAGS_enable_nccl_dynamic_check
=
false
;
...
...
@@ -94,7 +95,96 @@ ProcessGroupNCCL::ProcessGroupNCCL(
int
rank
,
int
size
,
int
gid
)
:
ProcessGroupWithStream
(
rank
,
size
,
gid
),
store_
(
store
)
{}
:
ProcessGroupWithStream
(
rank
,
size
,
gid
),
store_
(
store
)
{
events_
.
resize
(
phi
::
backends
::
gpu
::
GetGPUDeviceCount
());
}
ProcessGroupNCCL
::~
ProcessGroupNCCL
()
{
for
(
const
auto
&
e
:
events_
)
{
for
(
const
auto
&
p
:
e
.
events
)
{
cudaEventDestroy
(
p
.
first
);
cudaEventDestroy
(
p
.
second
);
}
}
}
std
::
vector
<
double
>
ProcessGroupNCCL
::
GetEventTimeAndRelease
()
{
auto
dev_id
=
phi
::
backends
::
gpu
::
GetCurrentDeviceId
();
auto
&
e
=
events_
[
dev_id
];
std
::
vector
<
double
>
times
;
times
.
reserve
(
e
.
length
);
for
(
size_t
i
=
0
;
i
<
e
.
length
;
++
i
)
{
PADDLE_ENFORCE_GPU_SUCCESS
(
cudaEventSynchronize
(
e
.
events
[
i
].
second
));
float
ms
=
0.0
f
;
PADDLE_ENFORCE_GPU_SUCCESS
(
cudaEventElapsedTime
(
&
ms
,
e
.
events
[
i
].
first
,
e
.
events
[
i
].
second
));
times
.
push_back
(
ms
);
}
e
.
length
=
0
;
return
times
;
}
gpuEvent_t
ProcessGroupNCCL
::
RecordStartEventOnCalcStream
()
{
if
(
!
FLAGS_enable_process_group_event_record
)
{
return
nullptr
;
}
auto
dev_id
=
phi
::
backends
::
gpu
::
GetCurrentDeviceId
();
auto
stream
=
static_cast
<
phi
::
GPUContext
*>
(
GetDeviceContext
(
phi
::
GPUPlace
(
dev_id
),
true
))
->
stream
();
return
RecordStartEvent
(
stream
);
}
void
ProcessGroupNCCL
::
RecordEndEventOnCalcStream
(
gpuEvent_t
event
)
{
if
(
event
==
nullptr
)
{
return
;
}
auto
dev_id
=
phi
::
backends
::
gpu
::
GetCurrentDeviceId
();
auto
stream
=
static_cast
<
phi
::
GPUContext
*>
(
GetDeviceContext
(
phi
::
GPUPlace
(
dev_id
),
true
))
->
stream
();
RecordEndEvent
(
event
,
stream
);
}
gpuEvent_t
ProcessGroupNCCL
::
RecordStartEvent
(
gpuStream_t
stream
)
{
if
(
!
FLAGS_enable_process_group_event_record
)
{
return
nullptr
;
}
if
(
s_group_call_counter
>
0
)
{
return
nullptr
;
}
auto
dev_id
=
phi
::
backends
::
gpu
::
GetCurrentDeviceId
();
gpuEvent_t
start_event
,
end_event
;
auto
&
e
=
events_
[
dev_id
];
if
(
e
.
events
.
size
()
<=
e
.
length
)
{
VLOG
(
10
)
<<
"Create new events when cached event pair number is "
<<
e
.
events
.
size
()
<<
" , and used event pair number is "
<<
e
.
length
;
e
.
events
.
resize
(
e
.
events
.
size
()
+
1
);
auto
&
p
=
e
.
events
[
e
.
length
++
];
PADDLE_ENFORCE_GPU_SUCCESS
(
cudaEventCreate
(
&
p
.
first
));
PADDLE_ENFORCE_GPU_SUCCESS
(
cudaEventCreate
(
&
p
.
second
));
start_event
=
p
.
first
;
end_event
=
p
.
second
;
}
else
{
start_event
=
e
.
events
[
e
.
length
].
first
;
end_event
=
e
.
events
[
e
.
length
].
second
;
++
e
.
length
;
}
PADDLE_ENFORCE_GPU_SUCCESS
(
cudaEventRecord
(
start_event
,
stream
));
return
end_event
;
}
void
ProcessGroupNCCL
::
RecordEndEvent
(
gpuEvent_t
event
,
gpuStream_t
stream
)
{
if
(
event
!=
nullptr
)
{
PADDLE_ENFORCE_GPU_SUCCESS
(
cudaEventRecord
(
event
,
stream
));
}
}
void
ProcessGroupNCCL
::
GroupStart
()
{
NCCL_CHECK
(
phi
::
dynload
::
ncclGroupStart
());
...
...
@@ -228,6 +318,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::AllReduce(
<<
", sync_op: "
<<
sync_op
<<
", use_calc_stream: "
<<
use_calc_stream
;
auto
event
=
RecordStartEvent
(
stream
);
NCCL_CHECK
(
phi
::
dynload
::
ncclAllReduce
(
in_tensor
.
data
(),
out_tensor
->
data
(),
...
...
@@ -236,6 +327,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::AllReduce(
ToNCCLRedType
(
opts
.
reduce_op
),
comm
,
stream
));
RecordEndEvent
(
event
,
stream
);
},
in_tensor
,
CommType
::
ALLREDUCE
,
...
...
@@ -310,6 +402,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::AllToAll(
<<
", sync_op: "
<<
sync_op
<<
", use_calc_stream: "
<<
use_calc_stream
;
auto
event
=
RecordStartEvent
(
stream
);
GroupStart
();
for
(
auto
i
=
0
;
i
<
size_
;
i
++
)
{
in_numel
=
in_size_each_rank
[
i
]
*
in_row_size
;
...
...
@@ -335,6 +428,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::AllToAll(
out_offset
+=
out_numel
;
}
GroupEnd
();
RecordEndEvent
(
event
,
stream
);
},
in_tensor
,
CommType
::
ALLTOALL
,
...
...
@@ -396,6 +490,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Broadcast(
<<
", nranks: "
<<
size_
<<
", sync_op: "
<<
sync_op
<<
", use_calc_stream: "
<<
use_calc_stream
;
auto
event
=
RecordStartEvent
(
stream
);
NCCL_CHECK
(
phi
::
dynload
::
ncclBroadcast
(
in_tensor
.
data
(),
out_tensor
->
data
(),
...
...
@@ -404,6 +499,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Broadcast(
root
,
comm
,
stream
));
RecordEndEvent
(
event
,
stream
);
},
in_tensor
,
CommType
::
BROADCAST
,
...
...
@@ -444,6 +540,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Reduce(
<<
", nranks: "
<<
size_
<<
", sync_op: "
<<
sync_op
<<
", use_calc_stream: "
<<
use_calc_stream
;
auto
event
=
RecordStartEvent
(
stream
);
NCCL_CHECK
(
phi
::
dynload
::
ncclReduce
(
in_tensor
.
data
(),
out_tensor
->
data
(),
...
...
@@ -453,6 +550,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Reduce(
opts
.
root_rank
,
comm
,
stream
));
RecordEndEvent
(
event
,
stream
);
},
in_tensor
,
CommType
::
REDUCE
,
...
...
@@ -492,6 +590,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::ReduceScatter(
<<
", sync_op: "
<<
sync_op
<<
", use_calc_stream: "
<<
use_calc_stream
;
auto
event
=
RecordStartEvent
(
stream
);
NCCL_CHECK
(
phi
::
dynload
::
ncclReduceScatter
(
in_tensor
.
data
(),
out_tensor
->
data
(),
...
...
@@ -500,6 +599,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::ReduceScatter(
ToNCCLRedType
(
opts
.
reduce_op
),
comm
,
stream
));
RecordEndEvent
(
event
,
stream
);
},
in_tensor
,
CommType
::
REDUCE_SCATTER
,
...
...
@@ -543,6 +643,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Scatter(
if
(
rank_
==
opts
.
root_rank
)
{
int64_t
offset
=
0
;
phi
::
DenseTensor
partial_tensor
;
auto
event
=
RecordStartEvent
(
stream
);
GroupStart
();
for
(
auto
i
=
0
;
i
<
size_
;
i
++
)
{
partial_tensor
=
GetPartialTensor
(
in_tensor
,
offset
,
numel
);
...
...
@@ -563,7 +664,9 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Scatter(
comm
,
stream
));
GroupEnd
();
RecordEndEvent
(
event
,
stream
);
}
else
{
auto
event
=
RecordStartEvent
(
stream
);
NCCL_CHECK
(
phi
::
dynload
::
ncclRecv
(
out_tensor
->
data
(),
numel
,
...
...
@@ -571,6 +674,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Scatter(
opts
.
root_rank
,
comm
,
stream
));
RecordEndEvent
(
event
,
stream
);
}
},
in_tensor
,
...
...
@@ -627,6 +731,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Gather(
<<
", nranks: "
<<
size_
<<
", sync_op: "
<<
sync_op
<<
", use_calc_stream: "
<<
use_calc_stream
;
auto
event
=
RecordStartEvent
(
stream
);
GroupStart
();
// root receive from all devices
if
(
rank_
==
opts
.
root_rank
)
{
...
...
@@ -649,6 +754,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Gather(
comm
,
stream
));
GroupEnd
();
RecordEndEvent
(
event
,
stream
);
};
return
Collective
(
gather_func
,
in_tensor
,
CommType
::
GATHER
,
sync_op
,
use_calc_stream
);
...
...
@@ -688,12 +794,14 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Recv(
<<
", sync_op: "
<<
sync_op
<<
", use_calc_stream: "
<<
use_calc_stream
;
auto
event
=
RecordStartEvent
(
stream
);
NCCL_CHECK
(
phi
::
dynload
::
ncclRecv
(
tensor
->
data
(),
tensor
->
numel
(),
phi
::
ToNCCLDataType
(
tensor
->
dtype
()),
rank_in_group
,
comm
,
stream
));
RecordEndEvent
(
event
,
stream
);
},
src_rank
,
*
tensor
,
...
...
@@ -735,6 +843,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Send(
<<
", sync_op: "
<<
sync_op
<<
", use_calc_stream: "
<<
use_calc_stream
;
auto
event
=
RecordStartEvent
(
stream
);
NCCL_CHECK
(
phi
::
dynload
::
ncclSend
(
tensor_maybe_partial
.
data
(),
tensor_maybe_partial
.
numel
(),
...
...
@@ -742,6 +851,7 @@ std::shared_ptr<ProcessGroup::Task> ProcessGroupNCCL::Send(
rank_in_group
,
comm
,
stream
));
RecordEndEvent
(
event
,
stream
);
},
dst_rank
,
tensor_maybe_partial
,
...
...
paddle/fluid/distributed/collective/process_group_nccl.h
浏览文件 @
26a83ed1
...
...
@@ -77,6 +77,8 @@ class ProcessGroupNCCL final : public ProcessGroupWithStream {
int
size
,
int
gid
);
~
ProcessGroupNCCL
();
std
::
string
GetBackendName
()
const
override
{
return
"NCCL"
;
}
phi
::
DeviceContext
*
GetDeviceContext
(
const
Place
&
place
)
const
override
;
...
...
@@ -169,6 +171,8 @@ class ProcessGroupNCCL final : public ProcessGroupWithStream {
ncclComm_t
NCCLComm
(
const
Place
&
place
)
const
;
std
::
vector
<
double
>
GetEventTimeAndRelease
();
private:
std
::
shared_ptr
<
ProcessGroupNCCL
::
NCCLTask
>
CreateTask
(
const
Place
&
place
,
int
rank
,
...
...
@@ -203,6 +207,16 @@ class ProcessGroupNCCL final : public ProcessGroupWithStream {
bool
sync_op
,
bool
use_calc_stream
);
public:
gpuEvent_t
RecordStartEventOnCalcStream
();
void
RecordEndEventOnCalcStream
(
gpuEvent_t
event
);
private:
gpuEvent_t
RecordStartEvent
(
gpuStream_t
stream
);
void
RecordEndEvent
(
gpuEvent_t
event
,
gpuStream_t
stream
);
private:
std
::
shared_ptr
<
phi
::
distributed
::
Store
>
store_
;
...
...
@@ -212,6 +226,13 @@ class ProcessGroupNCCL final : public ProcessGroupWithStream {
std
::
unordered_map
<
std
::
string
,
std
::
unique_ptr
<
phi
::
GPUContext
>>
place_to_comm_ctx_
;
struct
Events
{
std
::
vector
<
std
::
pair
<
gpuEvent_t
,
gpuEvent_t
>>
events
;
size_t
length
{
0
};
};
std
::
vector
<
Events
>
events_
;
// TODO(sunyilun): attrs below will be removed later
std
::
mutex
mutex_
;
static
uint64_t
s_group_call_counter
;
...
...
paddle/fluid/pybind/cuda_streams_py.cc
浏览文件 @
26a83ed1
...
...
@@ -391,6 +391,7 @@ void BindCudaStream(py::module *m_ptr) {
event.synchronize()
)DOC"
)
.
def
(
"elapsed_time"
,
&
paddle
::
platform
::
CudaEvent
::
ElapsedTime
)
#endif
.
def
(
"__init__"
,
...
...
paddle/fluid/pybind/distributed_py.cc
浏览文件 @
26a83ed1
...
...
@@ -1224,7 +1224,24 @@ void BindDistributed(py::module *m) {
py
::
arg
(
"src"
),
py
::
arg
(
"num"
),
py
::
arg
(
"id"
),
py
::
call_guard
<
py
::
gil_scoped_release
>
());
py
::
call_guard
<
py
::
gil_scoped_release
>
())
.
def
(
"_record_start_event_on_calc_stream"
,
[](
distributed
::
ProcessGroup
&
self
)
->
uintptr_t
{
PADDLE_THROW
(
phi
::
errors
::
Unimplemented
(
"Unsupported _record_start_event_on_calc_stream method."
));
})
.
def
(
"_record_end_event_on_calc_stream"
,
[](
distributed
::
ProcessGroupNCCL
&
self
,
uintptr_t
event
)
{
PADDLE_THROW
(
phi
::
errors
::
Unimplemented
(
"Unsupported _record_end_event_on_calc_stream method."
));
})
.
def
(
"_get_event_time_and_release"
,
[](
distributed
::
ProcessGroup
&
self
,
bool
accumulate
)
{
PADDLE_THROW
(
phi
::
errors
::
Unimplemented
(
"Unsupported _get_event_time_and_release method."
));
},
py
::
arg
(
"accumulate"
)
=
true
);
#if defined(PADDLE_WITH_RCCL) || defined(PADDLE_WITH_NCCL)
py
::
class_
<
distributed
::
ProcessGroupNCCL
,
...
...
@@ -1238,8 +1255,45 @@ void BindDistributed(py::module *m) {
py
::
arg
(
"group_id"
)
=
0
,
py
::
call_guard
<
py
::
gil_scoped_release
>
())
.
def_static
(
"group_start"
,
distributed
::
ProcessGroupNCCL
::
GroupStart
)
.
def_static
(
"group_end"
,
distributed
::
ProcessGroupNCCL
::
GroupEnd
);
.
def_static
(
"group_end"
,
distributed
::
ProcessGroupNCCL
::
GroupEnd
)
.
def
(
"_record_start_event_on_calc_stream"
,
[](
distributed
::
ProcessGroupNCCL
&
self
)
->
uintptr_t
{
return
reinterpret_cast
<
uintptr_t
>
(
self
.
RecordStartEventOnCalcStream
());
},
py
::
call_guard
<
py
::
gil_scoped_release
>
())
.
def
(
"_record_end_event_on_calc_stream"
,
[](
distributed
::
ProcessGroupNCCL
&
self
,
uintptr_t
event
)
{
return
self
.
RecordEndEventOnCalcStream
(
reinterpret_cast
<
gpuEvent_t
>
(
event
));
},
py
::
call_guard
<
py
::
gil_scoped_release
>
())
.
def
(
"_get_event_time_and_release"
,
[](
distributed
::
ProcessGroupNCCL
&
self
,
bool
accumulate
)
->
py
::
object
{
std
::
vector
<
double
>
times
;
double
total_ms
=
0.0
;
{
py
::
gil_scoped_release
release
;
times
=
self
.
GetEventTimeAndRelease
();
if
(
accumulate
)
{
total_ms
=
std
::
accumulate
(
times
.
begin
(),
times
.
end
(),
0.0
);
}
}
if
(
accumulate
)
{
return
py
::
cast
(
total_ms
);
}
else
{
py
::
list
obj
(
times
.
size
());
for
(
size_t
i
=
0
;
i
<
times
.
size
();
++
i
)
{
obj
[
i
]
=
py
::
cast
(
times
[
i
]);
}
return
obj
;
}
},
py
::
arg
(
"accumulate"
)
=
true
);
#endif
#if defined(PADDLE_WITH_MPI)
...
...
paddle/phi/api/profiler/event.h
浏览文件 @
26a83ed1
...
...
@@ -205,6 +205,13 @@ class CudaEvent {
}
gpuEvent_t
GetRawCudaEvent
()
{
return
event_
;
}
float
ElapsedTime
(
const
CudaEvent
&
end_event
)
const
{
float
ms
;
PADDLE_ENFORCE_GPU_SUCCESS
(
cudaEventElapsedTime
(
&
ms
,
event_
,
end_event
.
event_
));
return
ms
;
}
private:
#ifdef PADDLE_WITH_HIP
unsigned
int
flags_
=
hipEventDefault
;
...
...
paddle/phi/backends/event.cc
浏览文件 @
26a83ed1
...
...
@@ -62,6 +62,14 @@ bool Event::Query() const { return device_->QueryEvent(this); }
void
Event
::
Synchronize
()
const
{
device_
->
SynchronizeEvent
(
this
);
}
double
Event
::
ElapsedTime
(
const
Event
&
end_event
)
const
{
auto
s_event
=
static_cast
<
gpuEvent_t
>
(
event_
);
auto
e_event
=
static_cast
<
gpuEvent_t
>
(
end_event
.
event_
);
float
ms
;
PADDLE_ENFORCE_GPU_SUCCESS
(
cudaEventElapsedTime
(
&
ms
,
s_event
,
e_event
));
return
ms
;
}
const
Place
&
Event
::
GetPlace
()
const
{
return
place_
;
}
}
// namespace event
...
...
paddle/phi/backends/event.h
浏览文件 @
26a83ed1
...
...
@@ -47,6 +47,7 @@ class Event {
void
Record
(
const
stream
::
Stream
*
stream
);
bool
Query
()
const
;
void
Synchronize
()
const
;
double
ElapsedTime
(
const
Event
&
end_event
)
const
;
const
Place
&
GetPlace
()
const
;
private:
...
...
paddle/phi/core/flags.cc
浏览文件 @
26a83ed1
...
...
@@ -1247,3 +1247,7 @@ PADDLE_DEFINE_EXPORTED_bool(use_shm_cache,
PADDLE_DEFINE_EXPORTED_string
(
tensor_operants_mode
,
"eager"
,
"Tensor operants mode"
);
PADDLE_DEFINE_EXPORTED_bool
(
enable_process_group_event_record
,
false
,
"Whether to enable process group event record."
);
python/paddle/distributed/communication/group.py
浏览文件 @
26a83ed1
...
...
@@ -77,6 +77,9 @@ class Group:
else
:
return
-
1
def
_get_event_time_and_release
(
self
,
accumulate
=
True
):
return
self
.
_pg
.
_get_event_time_and_release
(
accumulate
)
def
__repr__
(
self
):
debug_str
=
"rank: {}, nranks: {}, id: {}, ranks: "
.
format
(
self
.
rank
,
self
.
nranks
,
self
.
id
...
...
python/paddle/distributed/fleet/meta_parallel/pp_utils/p2p_communication.py
浏览文件 @
26a83ed1
...
...
@@ -278,6 +278,7 @@ def batch_send_recv_on_calc_stream(p2p_op_list):
return
group
=
_get_global_group
()
if
group
is
None
else
group
backend
=
group
.
backend
event
=
group
.
process_group
.
_record_start_event_on_calc_stream
()
with
_with_batch_p2p_guard
(
backend
):
for
p2p_op
in
p2p_op_list
:
op
=
p2p_op
.
op
...
...
@@ -287,6 +288,7 @@ def batch_send_recv_on_calc_stream(p2p_op_list):
nranks
=
p2p_op
.
nranks
rank_id
=
p2p_op
.
rank_id
op
(
tensor
,
comm_group
,
peer
,
nranks
,
rank_id
)
group
.
process_group
.
_record_end_event_on_calc_stream
(
event
)
def
_process_p2p_tuple_or_tensor
(
...
...
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