Details

Time bar (total: 12.2s)

sample86.0ms

Algorithm
intervals
Results
31.0ms375×body80valid
23.0ms361×body80nan

simplify3.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02024
13724
28324
319124
442124
582024
6149824
7384624
done500024

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 7.0b

Counts
2 → 1

localize23.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
0.1b
(* (- x 0.5) (log x))
0.2b
(- (* (- x 0.5) (log x)) x)
6.4b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite43.0ms

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:
11.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
8.0ms
(* (- x 0.5) (log x))
8.0ms
(- (* (- x 0.5) (log x)) x)
13.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series128.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
23.0ms
(* (- x 0.5) (log x))
43.0ms
(- (* (- x 0.5) (log x)) x)
23.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify908.0ms

Counts
110 → 110
Iterations

Useful iterations: done (905.0ms)

IterNodesCost
02221715
15311629
215321481
done50001419

prune227.0ms

Filtered
85 candidates to 110 candidates (-29.4%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New1028110
Fresh000
Picked101
Done000
Total1038111

Merged error: 4.8b

Counts
111 → 8

localize26.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.5b
(cbrt x)
0.5b
(cbrt x)
6.4b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
cbrt-prod times-frac
add-exp-log add-cbrt-cube
pow1 add-log-exp
pow1/3 associate-/r* associate-/l*
associate-/l/
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv
Counts
4 → 62
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)
12.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series98.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(cbrt x)
24.0ms
(cbrt x)
27.0ms
(cbrt x)
23.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify997.0ms

Counts
74 → 74
Iterations

Useful iterations: 3 (327.0ms)

IterNodesCost
0105938
1231912
2564828
31608778
done5000778

prune149.0ms

Filtered
57 candidates to 74 candidates (-29.8%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New72274
Fresh257
Picked101
Done000
Total75782

Merged error: 4.8b

Counts
82 → 7

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- x 0.5) (log (sqrt x)))
0.1b
(* (- x 0.5) (log (sqrt x)))
0.1b
(- (* (- x 0.5) (log (sqrt x))) x)
6.4b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
36×add-sqr-sqrt log-prod
32×*-un-lft-identity
28×add-cube-cbrt
18×distribute-rgt-in distribute-lft-in sqrt-prod
12×pow1 associate-*r* associate--l+
10×add-exp-log associate-*l* add-cbrt-cube
times-frac
log-pow add-log-exp
associate-*l/
flip3-- associate-/r* flip-- associate-/l*
sqrt-pow1 pow1/2 pow-prod-down prod-exp *-commutative cbrt-unprod associate-/l/ distribute-lft-out-- difference-of-squares unswap-sqr
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-exp clear-num flip-+ div-inv
Counts
4 → 127
Calls
4 calls:
13.0ms
(* (- x 0.5) (log (sqrt x)))
9.0ms
(* (- x 0.5) (log (sqrt x)))
9.0ms
(- (* (- x 0.5) (log (sqrt x))) x)
12.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series51.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(* (- x 0.5) (log (sqrt x)))
8.0ms
(* (- x 0.5) (log (sqrt x)))
12.0ms
(- (* (- x 0.5) (log (sqrt x))) x)
23.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify706.0ms

Counts
139 → 139
Iterations

Useful iterations: done (701.0ms)

IterNodesCost
02212188
14992096
215631944
done50001900

prune428.0ms

Filtered
98 candidates to 139 candidates (-41.8%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1381139
Fresh066
Picked101
Done000
Total1397146

Merged error: 4.8b

Counts
146 → 7

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(+ (* (* 2 (log (cbrt x))) (- x 0.5)) (* (- x 0.5) (log (cbrt x))))
0.5b
(cbrt x)
0.5b
(cbrt x)
6.4b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite31.0ms

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:
13.0ms
(+ (* (* 2 (log (cbrt x))) (- x 0.5)) (* (- x 0.5) (log (cbrt x))))
2.0ms
(cbrt x)
1.0ms
(cbrt x)
12.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series192.0ms

Counts
4 → 12
Calls
4 calls:
119.0ms
(+ (* (* 2 (log (cbrt x))) (- x 0.5)) (* (- x 0.5) (log (cbrt x))))
23.0ms
(cbrt x)
27.0ms
(cbrt x)
23.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify768.0ms

Counts
94 → 94
Iterations

Useful iterations: done (764.0ms)

IterNodesCost
02131772
15711658
217981399
done50011333

prune172.0ms

Filtered
79 candidates to 94 candidates (-19.0%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New94094
Fresh066
Picked011
Done000
Total947101

Merged error: 4.8b

Counts
101 → 7

regimes533.0ms

Accuracy

89.7% (0.2b remaining)

Error of 4.3b against oracle of 4.1b and baseline of 6.4b

bsearch35.0ms

Steps
ItersRangePoint
8
9624807603436.258
1.070528705284242e+17
17216894534051.332

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04177
15777
done5777

end0.0ms

sample2.6s

Algorithm
intervals
Results
862.0ms11909×body80valid
821.0ms12057×body80nan

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