means default for reads, 8k for writes and trims.
**bs=,8k,**
- means default for reads, 8k for writes, and default for writes.
+ means default for reads, 8k for writes, and default for trims.
.. option:: blocksize_range=irange[,irange][,irange], bsrange=irange[,irange][,irange]
**mmapshared**
Same as mmap, but use a MMAP_SHARED mapping.
+ **cudamalloc**
+ Use GPU memory as the buffers for GPUDirect RDMA benchmark.
+
The area allocated is a function of the maximum allowed bs size for the job,
multiplied by the I/O depth given. Note that for **shmhuge** and
**mmaphuge** to work, the system must have free huge pages allocated. This