Details

Time bar (total: 20.4s)

sample60.0ms

Algorithm
intervals
Results
19.0ms368×body80valid
18.0ms399×body80nan

simplify3.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02024
13724
28324
319124
441924
581224
6148724
7384624
done500024

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.3b

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
0.2b
(- (* (- x 0.5) (log x)) x)
0.2b
(* (- x 0.5) (log x))
5.8b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite77.0ms

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
add-exp-log associate-+l+ add-cbrt-cube
pow1
associate-*l*
associate-*r*
associate-/r* associate-/l*
sub-neg flip3-- flip3-+ diff-log associate-*l/ sum-log flip-- flip-+ associate-/l/
cbrt-undiv +-commutative associate-+l- frac-2neg div-exp pow-prod-down prod-exp clear-num log-pow *-commutative cbrt-unprod div-inv distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 98
Calls
4 calls:
28.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
7.0ms
(- (* (- x 0.5) (log x)) x)
16.0ms
(* (- x 0.5) (log x))
22.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.3s

Counts
4 → 12
Calls
4 calls:
452.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
444.0ms
(- (* (- x 0.5) (log x)) x)
268.0ms
(* (- x 0.5) (log x))
94.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify2.4s

Counts
110 → 110
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
02131655
14931589
213631469
346771419
done50001419

prune412.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.5b

localize23.0ms

Local error

Found 4 expressions with local error:

0.3b
(+ (* (* 2 (log (cbrt x))) (- x 0.5)) (* (- x 0.5) (log (cbrt x))))
0.6b
(cbrt x)
0.6b
(cbrt x)
5.8b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
12×cbrt-prod associate-+r+ log-prod
times-frac
distribute-rgt-in distribute-lft-in
add-exp-log add-cbrt-cube add-log-exp
pow1 associate-+l+ flip3-- associate-*r/ associate-*l/ frac-add flip--
associate-/r* associate-/l*
sub-neg flip3-+ pow1/3 flip-+ associate-/l/
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
4 → 82
Calls
4 calls:
14.0ms
(+ (* (* 2 (log (cbrt x))) (- x 0.5)) (* (- x 0.5) (log (cbrt x))))
0.0ms
(cbrt x)
1.0ms
(cbrt x)
25.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.3s

Counts
4 → 12
Calls
4 calls:
857.0ms
(+ (* (* 2 (log (cbrt x))) (- x 0.5)) (* (- x 0.5) (log (cbrt x))))
195.0ms
(cbrt x)
190.0ms
(cbrt x)
94.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify774.0ms

Counts
94 → 94
Iterations

Useful iterations: done (771.0ms)

IterNodesCost
02041724
15451618
218401336
done50011331

prune506.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.5b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* (log (* (cbrt (- x)) (cbrt -1))) (- (* 3 x) 1.5)) x)
0.3b
(* (log (* (cbrt (- x)) (cbrt -1))) (- (* 3 x) 1.5))
0.6b
(cbrt (- x))
5.8b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
17×add-cube-cbrt *-un-lft-identity
10×cbrt-prod
pow1 times-frac
add-exp-log add-cbrt-cube
associate-*l* add-log-exp
sub-neg
distribute-rgt-in distribute-lft-in associate--l+
distribute-lft-neg-in distribute-rgt-neg-in pow1/3 associate-*r* pow-prod-down associate-/r* log-pow associate-/l*
flip3-- associate-*r/ flip-- associate-/l/
cbrt-undiv neg-mul-1 frac-2neg flip3-+ diff-log div-exp prod-exp clear-num *-commutative cbrt-unprod flip-+ div-inv unswap-sqr
Counts
4 → 90
Calls
4 calls:
11.0ms
(- (* (log (* (cbrt (- x)) (cbrt -1))) (- (* 3 x) 1.5)) x)
23.0ms
(* (log (* (cbrt (- x)) (cbrt -1))) (- (* 3 x) 1.5))
1.0ms
(cbrt (- x))
26.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series2.2s

Counts
4 → 12
Calls
4 calls:
1.2s
(- (* (log (* (cbrt (- x)) (cbrt -1))) (- (* 3 x) 1.5)) x)
666.0ms
(* (log (* (cbrt (- x)) (cbrt -1))) (- (* 3 x) 1.5))
215.0ms
(cbrt (- x))
97.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify2.3s

Counts
102 → 102
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
01981806
14451733
213281550
348541515
done50001515

prune488.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.5b

localize34.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt (- (cbrt x)))
5.8b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
6.0b
(pow x 2/3)

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
20×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log
distribute-lft-neg-in distribute-rgt-neg-in add-cbrt-cube
pow1
add-log-exp
unpow-prod-down pow-unpow associate-/r* associate-/l*
pow1/3 associate-/l/
cbrt-undiv pow-to-exp neg-mul-1 pow-pow frac-2neg flip3-+ div-exp pow-exp clear-num flip-+ div-inv sqr-pow
Counts
4 → 81
Calls
4 calls:
0.0ms
(cbrt x)
2.0ms
(cbrt (- (cbrt x)))
22.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
1.0ms
(pow x 2/3)

series810.0ms

Counts
4 → 12
Calls
4 calls:
203.0ms
(cbrt x)
319.0ms
(cbrt (- (cbrt x)))
96.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
192.0ms
(pow x 2/3)

simplify1.2s

Counts
93 → 93
Iterations

Useful iterations: 3 (460.0ms)

IterNodesCost
01681103
13391045
2794964
32214933
done5000933

prune769.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.5b

regimes522.0ms

Accuracy

81.8% (0.4b remaining)

Error of 4.1b against oracle of 3.7b and baseline of 5.8b

bsearch79.0ms

Steps
ItersRangePoint
6
1.0950966540847606e+63
4.668787846420705e+63
2.2891311917030867e+63

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
05199
16899
done6899

end0.0ms

sample1.6s

Algorithm
intervals
Results
611.0ms11689×body80valid
528.0ms11638×body80nan