1*97929ea7SJunchao ZhangVecScatter(bs=1) has sent out 80 messages, total 1280 bytes, with average length 16 bytes
2*97929ea7SJunchao ZhangVecScatter(bs=4) has sent out 80 messages, total 5120 bytes, with average length 64 bytes
3*97929ea7SJunchao ZhangProgram finished
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