ps-lite
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dmlc
A lightweight parameter server interface
Is [KVWorker::RunCallback](https://github.com/dmlc/ps-lite/blob/master/include/ps/kv_app.h#L643-L654) thread safe? According to [iterator invalidation rules](https://stackoverflow.com/questions/6438086/iterator-invalidation-rules-for-c-containers), rehashing invalidates the iterators of `unordered_map`, which may occur during the execution of the callback (`it->second();`). I didn't encounter any error...
Fix https://github.com/dmlc/ps-lite/issues/189. cc @eric-haibin-lin
fix keys lost bug when split sparse keys by ranges of servers https://github.com/dmlc/ps-lite/issues/185#issue-1027039470
https://github.com/dmlc/ps-lite/blob/08fb534cd1f58dd3b6a83eba44b508b0eb9a52ce/src/postoffice.cc#L172-L176 this may cause key lost when kMaxKey not exactly divided for the last range end
Hi, I am trying to train models with ps-lite. It works well in multi_thread mode like test_kv_app_multi_workers, but in multi_process model, only one worker process works and the others are...
terminate called after throwing an instance of 'dmlc::Error' what(): [16:41:36] src/van.cc:229: Check failed: obj timeout (5 sec) to wait App 0 customer 0 ready at 0 terminate called after throwing...
rm -rf gflags-2.0-no-svn-files.tar.gz gflags-2.0 wget https://raw.githubusercontent.com/mli/deps/master/build/gflags-2.0-no-svn-files.tar.gz && tar -zxf gflags-2.0-no-svn-files.tar.gz rm -rf protobuf-2.5.0.tar.gz protobuf-2.5.0 wget https://raw.githubusercontent.com/mli/deps/master/build/protobuf-2.5.0.tar.gz && tar -zxf protobuf-2.5.0.tar.gz rm -rf zeromq-4.1.2.tar.gz zeromq-4.1.2 wget https://raw.githubusercontent.com/mli/deps/master/build/zeromq-4.1.2.tar.gz && tar -zxf zeromq-4.1.2.tar.gz...
