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65b29d3a
编写于
5月 31, 2023
作者:
Y
Yuang Liu
提交者:
GitHub
5月 31, 2023
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差异文件
[Hybrid Performance] Support VP DP comm overlap. (#54196)
上级
5f54a7fe
变更
2
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2 changed file
with
34 addition
and
12 deletion
+34
-12
python/paddle/distributed/fleet/meta_parallel/parallel_layers/pp_layers.py
...tributed/fleet/meta_parallel/parallel_layers/pp_layers.py
+8
-0
python/paddle/distributed/fleet/meta_parallel/pipeline_parallel.py
...ddle/distributed/fleet/meta_parallel/pipeline_parallel.py
+26
-12
未找到文件。
python/paddle/distributed/fleet/meta_parallel/parallel_layers/pp_layers.py
浏览文件 @
65b29d3a
...
...
@@ -703,6 +703,14 @@ class PipelineLayer(nn.Layer):
self
.
shared_layers
[
layer
.
layer_name
],
)
)
# Note: the PipelineLayerChunk won't add the partial function to the sub layer,
# will introduce error when calling chunk.parameters(). Have to manually add
# this layer to the chunk's sub layer.
if
self
.
_num_virtual_pipeline_stages
>
1
:
run_function
.
add_sublayer
(
layer
.
layer_name
,
self
.
shared_layers
[
layer
.
layer_name
],
)
elif
isinstance
(
layer
,
LayerDesc
):
model
=
layer
.
build_layer
()
...
...
python/paddle/distributed/fleet/meta_parallel/pipeline_parallel.py
浏览文件 @
65b29d3a
...
...
@@ -71,6 +71,8 @@ class PipelineParallel(MetaParallelBase):
self
.
_delay_scale_loss
=
self
.
_strategy
.
hybrid_configs
[
"pp_configs"
].
delay_scale_loss
# TODO(PP Dev): support dp_comm_overlap without use_main_grad training.
# This combination will trigger inplace check error during `reshape_` in funct `_split_tensors`.
self
.
_dp_comm_overlap
=
self
.
_strategy
.
hybrid_configs
[
"pp_configs"
].
dp_comm_overlap
...
...
@@ -152,7 +154,17 @@ class PipelineParallel(MetaParallelBase):
return
fused_allreduce
def
register_allreduce_overlap_hook
(
self
,
model
,
comm_group
,
acc_steps
):
parameter_list
=
[
p
for
p
in
model
.
parameters
()
if
not
p
.
stop_gradient
]
if
model
.
get_num_virtual_stages
()
>
1
:
models
=
model
.
get_model_chunks
()
else
:
models
=
[
model
]
for
model
in
models
:
# For virtual pipeline. Will separate parameters in different chunk into
# different groups to get the best performance.
parameter_list
=
[
p
for
p
in
model
.
parameters
()
if
not
p
.
stop_gradient
]
if
len
(
parameter_list
)
<
1
:
return
...
...
@@ -163,7 +175,9 @@ class PipelineParallel(MetaParallelBase):
)
self
.
_dp_comm_buffers
.
append
(
buffer
)
for
param
in
parameters
:
param
.
_register_backward_hook
(
self
.
bw_hook_func
(
buffer
,
param
))
param
.
_register_backward_hook
(
self
.
bw_hook_func
(
buffer
,
param
)
)
def
timer_printer
(
self
):
if
not
self
.
_enable_timer
:
...
...
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