[openib-general] [PATCH/RFC 2/2] IPoIB: Convert to NAPI

[Michael S. Tsirkin]

Quoting r. Roland Dreier <rdreier at cisco.com>:
> Subject: Re: [PATCH/RFC 2/2] IPoIB: Convert to NAPI
> 
> Convert the IP-over-InfiniBand network device driver over to using
> NAPI to handle all completions (both receive and send).
> 
> Signed-off-by: Roland Dreier <rolandd at cisco.com>

OK, I finally found some time to test this, and the results look good.
I tested with iperf 2.0.2:

server: iperf -s -w 256K
client: iperf -w 256K -P <number of sockets>

The system has dual-CPU Xeon 3GHz with HT.

Message size was left at default value (8K):
Results:

#of sockets     : 1    2    4   8  16
NONAPI BW       :276  297  304 306 303
NAPI   BW       :302  311  349 408 367

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MST