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Update fuel-cost for new problem specification scheme

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This commit is contained in:
Lee Spector 2021-07-13 22:51:23 -04:00
parent e51bdf2fab
commit 1032895b8f
1 changed files with 31 additions and 26 deletions
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57
src/propeller/problems/PSB2/fuel_cost.cljc
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@ -18,6 +18,8 @@
; Source: https://arxiv.org/pdf/2106.06086.pdf
; ============================================================
(def train-and-test-data (psb2/fetch-examples "data" "fuel-cost" 200 2000))
; Random integer between -100 and 100 (from smallest)
(defn random-int [] (- (rand-int 201) 100))
@ -34,30 +36,33 @@
(list random-int 0 1 2 3))))
(defn error-function
([argmap individual]
(error-function argmap individual :train))
([argmap individual subset]
(let [program (genome/plushy->push (:plushy individual) argmap)
data (get (get argmap :train-and-test-data) subset)
inputs (map (fn [i] (get i :input1)) data)
correct-outputs (map (fn [i] (get i :output1)) data)
outputs (map (fn [input]
(state/peek-stack
(interpreter/interpret-program
program
(assoc state/empty-state :input {:in1 input})
(:step-limit argmap))
:integer))
inputs)
errors (map (fn [correct-output output]
(if (= output :no-stack-item)
1000000
(min 1000.0 (math/abs (- correct-output output)))))
correct-outputs
outputs)]
(assoc individual
:behaviors outputs
:errors errors
:total-error #?(:clj (apply +' errors)
:cljs (apply + errors))))))
[argmap data individual]
(let [program (genome/plushy->push (:plushy individual) argmap)
inputs (map (fn [i] (get i :input1)) data)
correct-outputs (map (fn [i] (get i :output1)) data)
outputs (map (fn [input]
(state/peek-stack
(interpreter/interpret-program
program
(assoc state/empty-state :input {:in1 input})
(:step-limit argmap))
:integer))
inputs)
errors (map (fn [correct-output output]
(if (= output :no-stack-item)
1000000
(min 1000.0 (math/abs (- correct-output output)))))
correct-outputs
outputs)]
(assoc individual
:behaviors outputs
:errors errors
:total-error #?(:clj (apply +' errors)
:cljs (apply + errors)))))
(def arglist
{:instructions instructions
:error-function error-function
:training-data (:train train-and-test-data)
:testing-data (:test train-and-test-data)})