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charset=UTF-8; format=flowed Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 9a9452e8-135c-11ed-9914-cd023cbeb624 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UNjY4NjQzZDExMTQ5ZmFiNC1NZjI4OThlZDFhNDAzZjIxNTlkZGE4?= =?UTF-8?B?ZDlhPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Content-Transfer-Encoding: quoted-printable List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Mf2898ed1a403f2159dda8d9a:1:L3b2tmTrr6B8ew09e1pr8Auedi1yDszJ-3Be_lTIG-Y On Wed, 3 Aug 2022, Richard Miller wrote: >> That was a typo, is almost five times slower (~80% slower). Just >> to be clear, it is really worst! > > Unless your "small arm linux machine" is a raspberry pi, you are changing > too many variables to make a meaningful comparison. Benchmarking i/o acr= oss > the internet will also introduce enough variation to suggest an experimen= tal > sample size of more than one attempt. > > An interesting set of experiments might be to run both linux and plan 9 on > the pi4, try the built-in ether adapter and the usb dongle, and try fetch= ing > both from http:// and https:// (to see how much of the variation is due to > tls decode speed). Reading my mail it seems like this was something I suddenly was aware of. It is not, I've been trying to understand what is wrong for some time now. The pi4 saturates my fiber in linux, there is no problem with the hardware. But note that the linux machine is sending and receiving packages through the plan9 machine. If there was a hardware problem in the pi4 (or the usb adapter), the linux machine's connection would be affected. And yes, I have made tests with different sites. As I said before the archlinux servers usually let me saturate my bandwidth, so they have become a good target for me. The thing this setting is telling me is that the usb and ethernet drivers are working reasonably good (again, at least for my bandwidth). I don't know any reliable server with good bandwidth serving without tls, I could set an http server on the linux machine and make tests, but I modified the example at https://golangdocs.com/golang-download-files and there is no real difference between the native and go tls implementatio= ns: ; time ./gget -o /dev/null https://arch.mirror.constant.com/images/v2022080= 1.71902/Arch-Linux-x86_64-basic-20220801.71902.qcow2 Downloaded a file /dev/null with size 513671168 2.25u 1.45s 65.51r ./gget -o /dev/null https://arch.mirror.constant.c= om/images/v20220801.71902/Arch-Linux-x86_64-basic-20220801.71902.qcow2 ; time hget -o /dev/null https://arch.mirror.constant.com/images/v20220801.= 71902/Arch-Linux-x86_64-basic-20220801.71902.qcow2 couldn't set mtime: permission denied 9.27u 35.02s 64.62r hget -o /dev/null https://arch.mirror.constant.com= /images/v20220801.71902/Arch-Linux-x86_64-basic-20220801.71902.qcow2 With linux (again, through the plan9 machine) I get: $ time ./gget -o /dev/null https://arch.mirror.constant.com/images/v2022080= 1.71902/Arch-Linux-x86_64-basic-20220801.71902.qcow2 Downloaded a file /dev/null with size 513671168 real 0m48.624s user 0m14.265s sys 0m21.648s So now It is only about 25% slower in plan9, so yes, the factors are variab= le. I found this thread in the list's archives: https://marc.info/?t=3D145579525000007&r=3D1&w=3D2 Maybe is related. ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T668643d11149fab4-Mf2898= ed1a403f2159dda8d9a Delivery options: https://9fans.topicbox.com/groups/9fans/subscription