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Kautenja avatar Kautenja commented on May 28, 2024

screenshot from 2018-07-01 14-51-41

this plot shows the magnitude of the issue. The first largely negative spike is a standard death. The second, larger negative spike is from the flag pole get at the end of 1-1. My assumption is that the frame skip mechanism results in the compounding of several "death" rewards over the time that mario is touching the flag pole before the transition into 1-2.

EDIT: the numbers suggest a factor of 6 greater than standard death. This is not possible with a frame skip of only 4. truly puzzling

from gym-super-mario-bros.

Kautenja avatar Kautenja commented on May 28, 2024

Running in the no frameskip environment reveals the exact same -3000 reward for flag get, but the expected smaller penalty for death.

from gym-super-mario-bros.

Kautenja avatar Kautenja commented on May 28, 2024

issue resolved with release 2.2.0. closing issue

from gym-super-mario-bros.

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