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Brian Barrett a4fabb7e26 openib: Disable CUDA async by default
Disable async receive for CUDA under OpenIB.  While a performance
optimization, it also causes incorrect results for transfers
larger than the GPUDirect RDMA limit.  This change has been validated
and approved by Akshay.

References #3972

Signed-off-by: Brian Barrett <bbarrett@amazon.com>
(cherry picked from commit 9344afd485d23c41a18ab57d6df8550826c24b9e)
Signed-off-by: Brian Barrett <bbarrett@amazon.com>
2018-09-20 14:20:54 -07:00
..
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