Fix potential bug in intranode dispatch receive #31
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Since each block is responsible for a set of groups, the Block-Stride Loop approach should be used to process groups during the receive phase. Therefore, the increment of the for loop should be blockDim.x, rather than gridDim.x * expertsPerBlock.
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Since each block is responsible for a set of groups, the Block-Stride Loop approach should be used to process groups during the receive phase. Therefore, the increment of the for loop should be blockDim.x, rather than gridDim.x * expertsPerBlock.