masayuki2009 commented on PR #9297:
URL: https://github.com/apache/nuttx/pull/9297#issuecomment-1595746910
@CV-Bowen
I confirmed that iperf score with knetnsh64_smp has been improved.
However, iperf score with qemu-armv8a:netnsh has been degraded.
```
With this PR
NuttShell (NSH) NuttX-10.2.0
nsh> uname -a
NuttX 10.2.0 3969577d59 Jun 17 2023 21:56:49 arm64 qemu-armv8a
nsh> iperf -s -i 1
IP: 10.0.2.15
mode=tcp-server sip=10.0.2.15:5001,dip=0.0.0.0:5001, interval=1, time=0
accept: 10.0.2.2:50436
Interval Transfer Bandwidth
0.00- 1.01 sec 36266400 Bytes 287.26 Mbits/sec
1.01- 2.02 sec 37307380 Bytes 295.50 Mbits/sec
2.02- 3.03 sec 36971580 Bytes 292.84 Mbits/sec
3.03- 4.04 sec 37441700 Bytes 296.57 Mbits/sec
4.04- 5.05 sec 37340960 Bytes 295.77 Mbits/sec
5.05- 6.06 sec 37408120 Bytes 296.30 Mbits/sec
6.06- 7.07 sec 36870840 Bytes 292.05 Mbits/sec
7.07- 8.08 sec 37240220 Bytes 294.97 Mbits/sec
8.08- 9.09 sec 37340960 Bytes 295.77 Mbits/sec
9.09- 10.10 sec 37374540 Bytes 296.04 Mbits/sec
closed by the peer: 10.0.2.2:50436
iperf exit
nsh>
With the latest upstream
nsh> uname -a
NuttX 12.0.0 514e77b75e Jun 17 2023 22:00:20 arm64 qemu-armv8a
nsh> iperf -s -i 1
IP: 10.0.2.15
mode=tcp-server sip=10.0.2.15:5001,dip=0.0.0.0:5001, interval=1, time=0
accept: 10.0.2.2:41646
Interval Transfer Bandwidth
0.00- 1.01 sec 40459520 Bytes 320.47 Mbits/sec
1.01- 2.02 sec 40763200 Bytes 322.88 Mbits/sec
2.02- 3.03 sec 40377760 Bytes 319.82 Mbits/sec
3.03- 4.04 sec 40763200 Bytes 322.88 Mbits/sec
4.04- 5.05 sec 40576320 Bytes 321.40 Mbits/sec
5.05- 6.06 sec 40623040 Bytes 321.77 Mbits/sec
6.06- 7.07 sec 40751520 Bytes 322.78 Mbits/sec
7.07- 8.08 sec 40564640 Bytes 321.30 Mbits/sec
8.08- 9.09 sec 40669760 Bytes 322.14 Mbits/sec
9.09- 10.10 sec 40155840 Bytes 318.07 Mbits/sec
closed by the peer: 10.0.2.2:41646
iperf exit
nsh> QEMU: Terminated
```
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