82 lines
2.2 KiB
Lua
82 lines
2.2 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 common_cfg = {
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defer_prints = true,
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playable_mode = false,
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playback_mode = false,
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start_big = false,
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starting_lives = 0,
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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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layernorm = false,
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init_zeros = true, -- instead of he_normal noise or whatever.
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graycode = false,
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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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-- ^ note that this now doubles the effective trials.
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time_inputs = true, -- binary inputs of global frame count
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adamant = false, -- run steps through AMSgrad.
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cap_time = 300,
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timer_loser = 1/2,
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decrement_reward = false, -- bad idea, encourages mario to run into goombas.
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}
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local cfg = {
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log_fn = 'log.csv', -- can be nil to disable logging.
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params_fn = nil, -- can be nil to generate based on param count.
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deterministic = true,
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epoch_trials = 20,
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epoch_top_trials = 10,
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learning_rate = 1.0,
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deviation = 0.1,
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weight_decay = 0.004,
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cap_time = 300,
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starting_lives = 1,
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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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setmetatable(cfg, {
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__index = function(t, n)
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if common_cfg[n] ~= nil then return common_cfg[n] end
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if n == 'params_fn' then return nil end
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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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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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assert(not cfg.ars_lips or cfg.unperturbed_trial,
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"cfg.unperturbed_trial must be true to use cfg.ars_lips")
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return cfg
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