未验证 提交 224f3bcb 编写于 作者: L Leo Chen 提交者: GitHub

format code (#29714)

上级 97e29411
......@@ -479,21 +479,35 @@ void Executor::RunPartialPreparedContext(ExecutorPrepareContext* ctx,
}
}
platform::DeviceContextPool::Instance().Get(place_)->Wait();
auto callback = [scope, local_scope, keep_kids]() {
if (local_scope != scope) {
VLOG(4) << "Delete scope: " << local_scope;
scope->DeleteScope(local_scope);
} else {
if (!keep_kids) {
VLOG(4) << "Drop kids: " << scope;
// By default, we should delete all kid scopes after run executor
// because
// some operators may create local scope when running, such as while_op.
// But when while_op also create a local executor to run it's sub block,
// the sub scopes it created should not be dropped immediately, because
// while_grad_op will use some variables created during while_op run, so
// we need to keep the kids and wait for the outer executor to drop
// them.
scope->DropKids();
}
VLOG(4) << "Keep kids: " << scope;
}
};
if (local_scope != scope) {
scope->DeleteScope(local_scope);
if (gc) {
VLOG(4) << "Async deleting scope";
gc->DirectClearCallback(callback);
} else {
if (!keep_kids) {
// By default, we should delete all kid scopes after run executor because
// some operators may create local scope when running, such as while_op.
// But when while_op also create a local executor to run it's sub block,
// the sub scopes it created should not be dropped immediately, because
// while_grad_op will use some variables created during while_op run, so
// we need to keep the kids and wait for the outer executor to drop them.
scope->DropKids();
}
VLOG(4) << "Sync deleting scope";
platform::DeviceContextPool::Instance().Get(place_)->Wait();
callback();
}
}
......
......@@ -48,6 +48,10 @@ class GarbageCollector {
template <typename Container, typename Callback>
void Add(Container &&objs, Callback &&callback);
void DirectClearCallback(const std::function<void()> &callback) {
ClearCallback(callback);
}
protected:
virtual void ClearCallback(const std::function<void()> &callback) = 0;
......
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