Comments (4)
albertwujj
commented on July 21, 2024
Could be why #16
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Kaixhin
commented on July 21, 2024
It should be handled by these conditions which make sure that samples near the index are discarded and resampled. Go ahead and work through the logic (I'm not 100% certain that this is bug-free, but I believe it's fine).
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albertwujj
commented on July 21, 2024
Cool! On a first read it looks correct (I will certainly let you know if I discover its not).
I'm modifying your ReplayBuffer to allow parallel envs (still store all transitions in a 1D array, but step back num_envs indices rather than 1 index to get previous timestep). The code you linked is actually a place I missed updating, leading to a bug (getting None when looking for n-step transition states). Thank you so much for the help!
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albertwujj
commented on July 21, 2024
Oops, I see there is a whole paper on 'distributed' replay: https://arxiv.org/pdf/1803.00933.pdf
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Related Issues (20)
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