[Pallas MGPU] Use the cp.async.bulk instruction for large contiguous copies. Currently we’re limited to 256 elements per dimension when using the tensormap in cp.async.bulk.tensor.
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…s copies. Currently we’re limited to 256 elements per dimension when using the tensormap in `cp.async.bulk.tensor`. PiperOrigin-RevId: 838501119
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[Pallas MGPU] Use
the cp.async.bulkinstruction for large contiguous copies. Currently we’re limited to 256 elements per dimension when using the tensormap incp.async.bulk.tensor.