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Investigate Why Scanning With 64 Threads Is As Fast As 32 Threads When System Has 2 Cores #4

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opened 2024-11-26 09:21:24 +00:00 by owner · 1 comment
owner commented 2024-11-26 09:21:24 +00:00
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When running on my VPS, running the scanner with 64 or 32 threads scans almost the same amount of Ip/sec.

It's a bit weird, since the ping waits for about 128ms, so there should be more than enough time for the CPU to do something else.

When running on my VPS, running the scanner with 64 or 32 threads scans almost the same amount of Ip/sec. It's a bit weird, since the ping waits for about 128ms, so there should be more than enough time for the CPU to do something else.
owner added the investigation label 2024-11-26 09:21:24 +00:00
owner commented 2024-11-26 09:59:11 +00:00
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Found the problem. I'm blind lol. I've accidentally set the ping timeout to 512ms, instead of the default 128ms.

Found the problem. I'm blind lol. I've accidentally set the ping timeout to 512ms, instead of the default 128ms.
owner self-assigned this 2024-11-26 10:01:12 +00:00
owner closed this issue 2024-11-26 10:01:19 +00:00
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Reference: owner/RSE#4