Warn the user about aliasing effect #1392
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If the user chooses an even number for the `-e` option of `capture.py`, it may get misleading results if the GCs alternate between two different behaviors, such as nursery GC and full-heap GC. We now warn the user if the value of `-e` is an even number.
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I think the term "stroboscopic effect" is very accurate, although it primarily refers to the optical illusion. We can discuss in our group if there is a more general term for the effect we observe in experiments. |
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The broad term would be sampling bias. |
qinsoon
reviewed
Sep 22, 2025
qinsoon
approved these changes
Sep 22, 2025
wks
changed the title
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If the user chooses an even number for the
-eoption ofcapture.py, it may get misleading results if the GCs alternate between two different behaviors, such as nursery GC and full-heap GC. We now warn the user if the value of-eis an even number.