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CUDA Atomic Operations Not Impacting Performance?
CUDA Atomic Operations Not Impacting Performance?
I’m testing the effects of inserting atomic addition operations into optimized array reduction kernels to measure the performance impact (and failing to understand the results). I’ve tested five different kernels:
0 – fully optimized reduction kernel as provided in samples/6_Advanced/reduction/reduction_kernel.cu 1 – optimized reduction kernel as described in…
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Error code 174
Error code 174, also known as the “The file system does not support atomic changes to the lock type” error, is assigned the value of 0xAE and the message ERROR_ATOMIC_LOCKS_NOT_SUPPORTED. This error occurs when changes being implemented by atomic operations are detected and aborted by a lock. When the system is unchanged, it slows down and aborts processes being run by the user. This error can be fixed by switching to a different type of file system for the memory device of the user. Changing the lock type to one that allows atomic changes is also solution this error.
Automatically fix Windows error code 174 now…
