From 0970bd9edc7f2454927ee088a52bddc2cac9d1d0 Mon Sep 17 00:00:00 2001 From: Yancey1989 Date: Thu, 21 Jun 2018 17:32:35 +0800 Subject: [PATCH] use optimize blocks attr to record optimize block id --- paddle/fluid/operators/listen_and_serv_op.cc | 29 +++++++------------ paddle/fluid/operators/listen_and_serv_op.h | 2 +- .../fluid/transpiler/distribute_transpiler.py | 9 ++++-- 3 files changed, 18 insertions(+), 22 deletions(-) diff --git a/paddle/fluid/operators/listen_and_serv_op.cc b/paddle/fluid/operators/listen_and_serv_op.cc index c0952133c..2fbd62505 100644 --- a/paddle/fluid/operators/listen_and_serv_op.cc +++ b/paddle/fluid/operators/listen_and_serv_op.cc @@ -106,13 +106,8 @@ void ListenAndServOp::RunSyncLoop( "server program should have at least 2 blocks"); std::vector optimize_block_id_list; - for (int blkid = 1; blkid < num_blocks; ++blkid) { - if (std::find(prefetch_block_id_list.begin(), prefetch_block_id_list.end(), - blkid) == prefetch_block_id_list.end() && - std::find(skip_sub_blks.begin(), skip_sub_blks.end(), blkid) == - skip_sub_blks.end()) { - optimize_block_id_list.push_back(blkid); - } + for (auto *block : optimize_blocks) { + optimize_block_id_list.push_back(block->ID()); } auto optimize_prepared = executor->Prepare(*program, optimize_block_id_list); // Insert placeholder for block0 which holds current op itself. @@ -137,9 +132,9 @@ void ListenAndServOp::RunSyncLoop( // and this will still work. // The optimize blocks which have the same parent ID would run parallel // TODO(Yancey1989): need to use ParallelExecutor for future - int32_t last_parent_blkid = program->Block(1).Parent(); + int32_t last_parent_blkid = optimize_blocks[0]->Parent(); std::vector parallel_blkids; - parallel_blkids.push_back(1); + parallel_blkids.push_back(optimize_blocks[0]->ID()); double ts = GetTimestamp(); for (size_t i = 1; i < optimize_block_id_list.size(); ++i) { // skip the first optimize block because it is already in the @@ -262,8 +257,11 @@ void ListenAndServOp::RunImpl(const framework::Scope &scope, rpc_service_->RegisterRPC(detail::kRequestPrefetch, request_prefetch_handler_.get()); - auto *optimize_block = Attr(kOptimizeBlock); - auto *program = optimize_block->Program(); + auto optimize_blocks = + Attr>(kOptimizeBlocks); + PADDLE_ENFORCE(optimize_blocks.size() > 1, + "optimize blocks should be 1 at least on the pserver side."); + auto *program = optimize_block[0]->Program(); framework::Executor executor(dev_place); // prepare for prefetch @@ -340,18 +338,13 @@ class ListenAndServOpMaker : public framework::OpProtoAndCheckerMaker { "a map from grad name to it's optimize block id") .SetDefault({}); AddAttr("sync_mode", "if works at sync_mode or not").SetDefault(true); - AddAttr(kOptimizeBlock, - "BlockID to run on server side."); + AddAttr(kOptimizeBlocks, + "Optimize blocks to run on server side."); AddAttr>(kPrefetchVarNameToBlockId, "prefetch blocks to run on server side.") .SetDefault({}); AddAttr("Fanin", "How many clients send to this server.") .SetDefault(1); - AddAttr>("skip_sub_blks", - "do not parallel execute the specify sub blocks, " - "it's used for the op which has" - "condition blocks") - .SetDefault({}); } }; diff --git a/paddle/fluid/operators/listen_and_serv_op.h b/paddle/fluid/operators/listen_and_serv_op.h index 46c3a19e2..55da61e34 100644 --- a/paddle/fluid/operators/listen_and_serv_op.h +++ b/paddle/fluid/operators/listen_and_serv_op.h @@ -30,7 +30,7 @@ limitations under the License. */ namespace paddle { namespace operators { -constexpr char kOptimizeBlock[] = "OptimizeBlock"; +constexpr char kOptimizeBlocks[] = "optimize_blocks"; constexpr char kPrefetchVarNameToBlockId[] = "prefetch_var_name_to_block_id"; void RunServer(std::shared_ptr service); diff --git a/python/paddle/fluid/transpiler/distribute_transpiler.py b/python/paddle/fluid/transpiler/distribute_transpiler.py index dc0ec6b8c..cf59808b3 100644 --- a/python/paddle/fluid/transpiler/distribute_transpiler.py +++ b/python/paddle/fluid/transpiler/distribute_transpiler.py @@ -424,10 +424,12 @@ class DistributeTranspiler(object): # append lr decay ops to the child block if exists lr_ops = self._get_lr_ops() - skip_sub_blks = [] + # record optimize blocks and we can run them on pserver parallel + optimize_blocks = [] if len(lr_ops) > 0: lr_decay_block = pserver_program.create_block( pserver_program.num_blocks - 1) + optimize_blocks.append(lr_decay_block) for _, op in enumerate(lr_ops): self._append_pserver_non_opt_ops(lr_decay_block, op) # append sub blocks to pserver_program in lr_decay_op @@ -439,6 +441,7 @@ class DistributeTranspiler(object): pre_block_idx = pserver_program.num_blocks - 1 for idx, opt_op in enumerate(opt_op_on_pserver): per_opt_block = pserver_program.create_block(pre_block_idx) + optimize_blocks.append(per_opt_block) # append grad merging ops before clip and weight decay for _, op in enumerate(self.optimize_ops): # find the origin @GRAD var before clipping @@ -457,6 +460,7 @@ class DistributeTranspiler(object): if global_ops: opt_state_block = pserver_program.create_block( pserver_program.num_blocks - 1) + optimize_blocks.append(opt_state_block) for glb_op in global_ops: __append_optimize_op__(glb_op, opt_state_block, grad_to_block_id, None) @@ -478,12 +482,11 @@ class DistributeTranspiler(object): assert len(prefetch_var_name_to_block_id) == 0 attrs = { - "OptimizeBlock": pserver_program.block(1), + "optimize_blocks": optimize_blocks, "endpoint": endpoint, "Fanin": self.trainer_num, "sync_mode": self.sync_mode, "grad_to_block_id": grad_to_block_id, - "skip_sub_blks": skip_sub_blks } if len(prefetch_var_name_to_block_id) > 0: attrs['prefetch_var_name_to_block_id'] \ -- GitLab