diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/device_queue_op.cc b/mindspore/ccsrc/minddata/dataset/engine/datasetops/device_queue_op.cc index 6025e4c02c..6c2c600e6a 100644 --- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/device_queue_op.cc +++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/device_queue_op.cc @@ -45,8 +45,14 @@ DeviceQueueOp::DeviceQueueOp(std::string channel_name, DeviceType device_type, i total_batch_(total_batch), create_data_info_queue_(create_data_info_queue) { #ifdef ENABLE_GPUQUE + // Get the total device num of current machine + int32_t device_count = 0; + cudaGetDeviceCount(&device_count); std::shared_ptr cfg = GlobalContext::config_manager(); rank_id_ = cfg->rank_id(); // Get the current rank_id + if (device_count > 0) { + rank_id_ = rank_id_ % device_count; + } // Be careful when try to modified these num_workers_ and queue_capacity_, // and we suggest num_workers_ * queue_capacity_ not greater than 16, because // one worker one circular_pool with 1G pin memory, so num_workers_ * queue_capacity_