[CPU-PSLIB] Add consistency insepection of op's embedding name and sp…

…arse table name in config_fleet.py, test=develop (#34249)

python/paddle/fluid/incubate/fleet/parameter_server/pslib/optimizer_factory.py

@@ -25,6 +25,7 @@
 from .node import DownpourWorker, DownpourServer
 from . import ps_pb2 as pslib
 import os
+import logging
 
 OpRole = core.op_proto_and_checker_maker.OpRole
 # this dict is for store info about pull/push sparse ops.
@@ -41,6 +42,10 @@
     "scale_sparse_grad": None,
 }
 
+logging.basicConfig(
+    format='%(asctime)s - %(levelname)s - %(message)s', level=logging.INFO)
+logger = logging.getLogger(__name__)
+
 
 class DistributedOptimizerImplBase(object):
     """
@@ -300,6 +305,74 @@ def _generate_multi_dense_table(self,
 
         return dense_tables, cond2denseid, lists_params, lists_grads, root_params_list, root_grads_list
 
+    def _gen_distributed_emb_to_size_dict(self, program):
+        d_size = dict()
+        local_vars = program.current_block().vars
+
+        for op in program.global_block().ops:
+            if op.type in self.supported_embedding_types:
+                if op.attr('is_distributed') is True:
+                    table_name = op.input("W")[0]
+                    emb_size = local_vars[table_name].shape[1]
+                    if d_size.get(table_name) is None:
+                        d_size[table_name] = emb_size
+                    elif d_size[table_name] != emb_size:
+                        raise ValueError("embedding size error: %s vs %s" %
+                                         (emb_size, d_size[table_name]))
+
+        return d_size
+
+    def _check_config_fleet_with_program_op(self, strategy, table_name,
+                                            emb_to_size):
+        if strategy.get(table_name) is None:
+            strategy[table_name] = dict()
+        st = strategy[table_name]
+
+        accessor = None
+        if st.get("sparse_accessor_class") is not None:
+            accessor = st["sparse_accessor_class"]
+
+        if accessor is None:
+            accessor = "DownpourCtrAccessor"
+
+        # set sparse_embedx_dim in strategy,
+        # user do not have to set it in config_fleet
+        if accessor == "DownpourFeatureValueAccessor" \
+                or accessor == "DownpourCtrAccessor" \
+                or accessor == "DownpourDoubleUnitAccessor" \
+                or accessor == "DownpourUnitAccessor":
+            if st.get("sparse_embedx_dim") is not None \
+                    and st["sparse_embedx_dim"] != emb_to_size[table_name] - 3:
+                raise ValueError("fleet config sparse_embedx_dim=%s not"
+                                 " equal to embedding size - 3 = %s" %
+                                 (st["sparse_embedx_dim"],
+                                  emb_to_size[table_name] - 3))
+            if st.get("sparse_embedx_dim") is None:
+                logger.warning(
+                    "sparse embedding size for table name '{}' is: {}, while sparse_embedx_dim "
+                    "with same sparse table name is not set in config_fleet.py. "
+                    "Hence automatically set sparse_embedx_dim = {} - 3.".
+                    format(table_name, emb_to_size[table_name], emb_to_size[
+                        table_name]))
+                st["sparse_embedx_dim"] = emb_to_size[table_name] - 3
+        elif accessor == "DownpourSparseValueAccessor":
+            if st.get("sparse_embedx_dim") is not None \
+                    and st["sparse_embedx_dim"] != emb_to_size[table_name]:
+                raise ValueError("fleet config sparse_embedx_dim=%s not"
+                                 " equal to embedding size = %s" %
+                                 (st["sparse_embedx_dim"],
+                                  emb_to_size[table_name]))
+            if st.get("sparse_embedx_dim") is None:
+                logger.warning(
+                    "sparse embedding size for table name '{}' is: {}, while sparse_embedx_dim "
+                    "with same sparse table name is not set in config_fleet.py. "
+                    "Hence automatically set sparse_embedx_dim = {}.".format(
+                        table_name, emb_to_size[table_name], emb_to_size[
+                            table_name]))
+                st["sparse_embedx_dim"] = emb_to_size[table_name]
+
+        return strategy
+
     def _minimize(self,
                   losses,
                   startup_program=None,
@@ -397,6 +470,10 @@ def _minimize(self,
                         sparse_table_to_index[tn] = sparse_table_index
                         sparse_table_index += 1
 
+                # get {table_name: emb_size} dict from program ops
+                emb_to_size = self._gen_distributed_emb_to_size_dict(
+                    loss.block.program)
+
                 # get inputs_dict
                 inputs_dict = self._find_distributed_lookup_table_inputs(
                     loss.block.program, sparse_table)
@@ -511,8 +588,10 @@ def _minimize(self,
         # ServerParameter add all sparse tables
         for tn in sparse_table_to_index:
             sparse_table_index = sparse_table_to_index[tn]
-            if strategy.get(tn) is not None:
-                server.add_sparse_table(sparse_table_index, strategy[tn])
+            st = self._check_config_fleet_with_program_op(strategy, tn,
+                                                          emb_to_size)
+            if st.get(tn) is not None:
+                server.add_sparse_table(sparse_table_index, st[tn])
             else:
                 server.add_sparse_table(sparse_table_index, None)