Details

Time bar (total: 24.6s)

sample153.0ms

Algorithm
intervals
Results
64.0ms363×body80valid
34.0ms407×body80nan

simplify2.3s

Counts
1 → 1
Iterations
IterNodes
done5000
54006
4855
3244
284
137
020

prune21.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.5b

localize70.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- x 0.5) (log x))
0.2b
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
0.2b
(- (* (- x 0.5) (log x)) x)
5.0b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite151.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt *-un-lft-identity
20×add-cube-cbrt
18×log-prod
12×associate--l+
11×add-log-exp
distribute-rgt-in distribute-lft-in times-frac
associate-+l+ add-cbrt-cube add-exp-log
pow1
associate-*l*
associate-*r*
associate-/r* associate-/l*
sum-log sub-neg flip3-+ flip3-- diff-log associate-*l/ flip-+ flip-- associate-/l/
cbrt-undiv +-commutative clear-num frac-2neg div-exp pow-prod-down prod-exp log-pow *-commutative associate-+l- cbrt-unprod div-inv distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 98
Calls
4 calls:
22.0ms
(* (- x 0.5) (log x))
56.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
18.0ms
(- (* (- x 0.5) (log x)) x)
49.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.8s

Counts
4 → 12
Calls
4 calls:
383.0ms
(* (- x 0.5) (log x))
658.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
653.0ms
(- (* (- x 0.5) (log x)) x)
144.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify806.0ms

Counts
110 → 110
Iterations
IterNodes
done5001
21981
1527
0216

prune800.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 4.5b

localize72.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- x 0.5) (log (sqrt x)))
0.2b
(+ (- (* (- x 0.5) (log (sqrt x))) x) 0.91893853320467)
0.3b
(+ (* (- x 0.5) (log (sqrt x))) (+ (- (* (- x 0.5) (log (sqrt x))) x) 0.91893853320467))
5.0b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite319.0ms

Algorithm
rewrite-expression-head
Rules
36×log-prod
30×add-sqr-sqrt *-un-lft-identity
26×associate-+l+ add-cube-cbrt
18×distribute-rgt-in distribute-lft-in sqrt-prod add-log-exp
12×associate--l+
times-frac
pow1 add-cbrt-cube add-exp-log
sum-log
associate-*r* associate-*l/
flip3-+ associate-*l* flip-+
frac-add
associate-/r* flip3-- log-pow flip-- associate-/l*
+-commutative diff-log associate-+l- associate-/l/
cbrt-undiv associate-+r+ clear-num associate-+r- sub-neg frac-2neg sqrt-pow1 pow1/2 div-exp pow-prod-down prod-exp *-commutative cbrt-unprod div-inv distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 125
Calls
4 calls:
42.0ms
(* (- x 0.5) (log (sqrt x)))
72.0ms
(+ (- (* (- x 0.5) (log (sqrt x))) x) 0.91893853320467)
133.0ms
(+ (* (- x 0.5) (log (sqrt x))) (+ (- (* (- x 0.5) (log (sqrt x))) x) 0.91893853320467))
63.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series672.0ms

Counts
4 → 12
Calls
4 calls:
117.0ms
(* (- x 0.5) (log (sqrt x)))
190.0ms
(+ (- (* (- x 0.5) (log (sqrt x))) x) 0.91893853320467)
238.0ms
(+ (* (- x 0.5) (log (sqrt x))) (+ (- (* (- x 0.5) (log (sqrt x))) x) 0.91893853320467))
127.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.5s

Counts
137 → 137
Iterations
IterNodes
done5000
23615
1774
0284

prune1.1s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.7b

localize128.0ms

Local error

Found 4 expressions with local error:

0.2b
(+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467)
0.2b
(+ (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467) (* (log (sqrt (sqrt x))) (- x 0.5)))
0.2b
(+ (* (log (sqrt (sqrt x))) (- x 0.5)) (+ (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467) (* (log (sqrt (sqrt x))) (- x 0.5))))
5.0b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite748.0ms

Algorithm
rewrite-expression-head
Rules
32×add-log-exp
24×frac-add associate-*r/
16×sum-log
14×*-un-lft-identity
12×add-sqr-sqrt flip3-+ flip3-- add-cube-cbrt flip-+ flip--
11×associate-+l+
times-frac
sub-neg
distribute-rgt-in distribute-lft-in add-cbrt-cube add-exp-log
associate-+r+ associate-+l-
pow1 associate--l+
+-commutative associate-/r* diff-log associate-/l*
associate-/l/
cbrt-undiv clear-num associate-+r- frac-2neg div-exp div-inv distribute-lft-out
Counts
4 → 104
Calls
4 calls:
45.0ms
(+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467)
198.0ms
(+ (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467) (* (log (sqrt (sqrt x))) (- x 0.5)))
458.0ms
(+ (* (log (sqrt (sqrt x))) (- x 0.5)) (+ (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467) (* (log (sqrt (sqrt x))) (- x 0.5))))
42.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.3s

Counts
4 → 12
Calls
4 calls:
227.0ms
(+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467)
541.0ms
(+ (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467) (* (log (sqrt (sqrt x))) (- x 0.5)))
487.0ms
(+ (* (log (sqrt (sqrt x))) (- x 0.5)) (+ (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467) (* (log (sqrt (sqrt x))) (- x 0.5))))
90.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify534.0ms

Counts
116 → 116
Iterations
IterNodes
done5000
11096
0342

prune1.2s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.7b

localize52.0ms

Local error

Found 4 expressions with local error:

0.3b
(+ (* (- x 0.5) (* 2 (log (cbrt x)))) (* (- x 0.5) (log (cbrt x))))
0.5b
(cbrt x)
0.5b
(cbrt x)
5.0b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
36×log-prod
30×distribute-rgt-in distribute-lft-in
26×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
24×cbrt-prod associate-+l+
12×associate-+r+
times-frac
associate-*l/
add-cbrt-cube add-exp-log add-log-exp
pow1 flip3-- frac-add flip--
associate-/r* associate-/l*
flip3-+ pow1/3 flip-+ associate-/l/
cbrt-undiv +-commutative clear-num sum-log frac-2neg div-exp div-inv distribute-lft-out
Counts
4 → 103
Calls
4 calls:
42.0ms
(+ (* (- x 0.5) (* 2 (log (cbrt x)))) (* (- x 0.5) (log (cbrt x))))
1.0ms
(cbrt x)
1.0ms
(cbrt x)
61.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.8s

Counts
4 → 12
Calls
4 calls:
1.1s
(+ (* (- x 0.5) (* 2 (log (cbrt x)))) (* (- x 0.5) (log (cbrt x))))
234.0ms
(cbrt x)
303.0ms
(cbrt x)
136.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.2s

Counts
115 → 115
Iterations
IterNodes
done5000
22798
1648
0238

prune1.1s

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 0.7b

regimes996.0ms

Accuracy

66.7% (1.8b remaining)

Error of 2.4b against oracle of 0.7b and baseline of 6.0b

bsearch753.0ms

Steps
ItersRangePoint
11
2.1402104874322472e+127
6.029479529397184e+147
2.7248093103244077e+127
8
-7.119538902109541e+65
-4.7944425865334455e+62
-1.1244228903454717e+64

simplify15.0ms

Iterations
IterNodes
done67
367
265
163
045

end0.0ms

sample4.7s

Algorithm
intervals
Results
1.9s11622×body80valid
1.5s11597×body80nan