solin319 opened a new pull request #12350: fix bug in 'device' type kvstore URL: https://github.com/apache/incubator-mxnet/pull/12350 When we init a key after another key pushed. This key has no merged_buf_ in file 'comm.h', but the inited_ is true. So it can't pull this new key. The code below will make error. ``` import mxnet as mx a=mx.nd.array([1,2,3], ctx=mx.gpu(0)) b=mx.nd.array([0,0,0], ctx=mx.gpu(0)) kv=mx.kv.create('device') kv.init('1', a) kv.push('1', [a,a,a,a]) kv.pull('1', b) kv.init('2', a) kv.pull('2', b) ```
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