[Stgt-devel] Performance of SCST versus STGT

Vladislav Bolkhovitin vst
Tue Jan 22 12:33:59 CET 2008

Bart Van Assche wrote:
> On Jan 17, 2008 6:45 PM, Pete Wyckoff <pw at osc.edu> wrote:
>>There's nothing particularly stunning here.  Suspect Bart has
>>configuration issues if not even IPoIB will do > 100 MB/s.
> By this time I found out that the BIOS of the test systems (Intel
> Server Board S5000PAL) set the PCI-e parameter MaxReadReq to 128
> bytes, which explains the low InfiniBand performance. After changing
> this parameter to 4096 bytes the InfiniBand throughput was as
> expected: ib_rdma_bw now reports a
> bandwidth of 933 MB/s.

What are the new SRPT/iSER numbers?

> Bart.

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