 Conventionally, the success of SGD is attributed to thestochastic gradient noise (SGN) incurred in the training process.
<fluency>  Conventionally, the success of SGD is attributed to thestochastic gradient noise (SGN) incurred in the training process.
 Conventionally, the success of SGD is attributed to theascribed to the stochastic gradient noise (SGN) incurred in the training process.