add sparse cache

b496da7f · xiexionghang · f5af6905 · b496da7f
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paddle/fluid/train/custom_trainer/feed/process/learner_process.cc ...luid/train/custom_trainer/feed/process/learner_process.cc +1 -1

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--- a/paddle/fluid/train/custom_trainer/feed/process/learner_process.cc
+++ b/paddle/fluid/train/custom_trainer/feed/process/learner_process.cc
@@ -64,7 +64,7 @@ int LearnerProcess::update_cache_model(uint64_t epoch_id, ModelSaveWay way) {
                    if (line_len <= 1) {
                        continue;
                    }
-                    char* data_ptr;
+                    char* data_ptr = NULL;
                    cache_dict.append(strtoul(buffer, &data_ptr, 10));
                }
                if (buffer != nullptr) {