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Re: [tor-bugs] #22798 [Core Tor/Tor]: Windows relay is several times slower than Linux relay

#22798: Windows relay is several times slower than Linux relay
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 Reporter:  Vort                           |          Owner:
     Type:  defect                         |         Status:  new
 Priority:  Medium                         |      Milestone:  Tor:
                                           |  unspecified
Component:  Core Tor/Tor                   |        Version:  Tor: 0.2.9.11
 Severity:  Normal                         |     Resolution:
 Keywords:  tor-relay performance windows  |  Actual Points:
Parent ID:                                 |         Points:  5
 Reviewer:                                 |        Sponsor:
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Comment (by Vort):

 Here is the test for WSAIoctl/setsockopt performance.
 `BwTest.exe -s -u -t` was started on Windows 7 computer with real 100
 Mbit/s and 1 ms link.
 Yet again, ISB was equal to 65536 all time of the test.
 Result: WSAIoctl and setsockopt functions uses 0.25% of CPU resources,
 comparing to other WS2_32 functions.
 attachment:isb_performance.png

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22798#comment:113>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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