69 lines
2 KiB
Lua
69 lines
2 KiB
Lua
local function approx_cossim(dim)
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return math.pow(1.521 * dim - 0.521, -0.5026)
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end
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local function intmap(x)
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-- 0 -> 1.0
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-- -1 -> 0.316
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-- -2 -> 0.1
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-- -3 -> 0.0316
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-- -4 -> 0.01
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-- etc.
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return math.pow(10, x / 2)
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end
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local cfg = {
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log_fn = 'log.csv', -- can be nil to disable logging.
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defer_prints = true,
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playable_mode = false,
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start_big = false, --true
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starting_lives = 0, --1
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init_zeros = true, -- instead of he_normal noise or whatever.
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frameskip = 4,
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-- true greedy epsilon has both deterministic and det_epsilon set.
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deterministic = false, -- use argmax on outputs instead of random sampling.
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det_epsilon = false, -- take random actions with probability eps.
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graycode = false,
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epoch_trials = 64 * (7/8),
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epoch_top_trials = 40 * (7/8), -- new with ARS.
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unperturbed_trial = true, -- do a trial without any noise.
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negate_trials = true, -- try pairs of normal and negated noise directions.
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time_inputs = true, -- binary inputs of global frame count
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-- ^ note that this now doubles the effective trials.
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deviation = intmap(-3),
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learning_rate = intmap(-4),
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weight_decay = intmap(-6),
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adamant = true, -- run steps through AMSgrad.
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adam_b1 = math.pow(10, -1 / 15),
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adam_b2 = math.pow(10, -1 / 100),
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adam_eps = intmap(-8),
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adam_debias = false,
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cap_time = 222, --400
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timer_loser = 1/2,
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decrement_reward = false, -- bad idea, encourages mario to kill himself
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playback_mode = false,
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}
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-- TODO: so, uhh..
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-- what happens when playback_mode is true but unperturbed_trial is false?
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cfg.epoch_top_trials = math.min(cfg.epoch_trials, cfg.epoch_top_trials)
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cfg.eps_start = 1.0 * cfg.frameskip / 64
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cfg.eps_stop = 0.1 * cfg.eps_start
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cfg.eps_frames = 1000000
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cfg.enable_overlay = cfg.playable_mode
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cfg.enable_network = not cfg.playable_mode
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return setmetatable(cfg, {
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__index = function(t, n)
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error("cannot use undeclared config '" .. tostring(n) .. "'", 2)
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end
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})
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