Details

Time bar (total: 9.6s)

sample87.0ms

Algorithm
intervals
Results
32.0ms62×body1280valid
18.0ms71×body10240exit
10.0ms48×body640valid
4.0ms30×body320valid
4.0ms100×body80valid
1.0ms16×body160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done8
28
17
05

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.8b

localize11.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ (exp x) (- (exp x) 1.0))
4.8b
(- (exp x) 1.0)

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/r* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-log-exp
add-exp-log associate-/l*
pow1 flip3-- associate-/r/ flip--
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-exp div-inv
Counts
2 → 51
Calls
2 calls:
15.0ms
(/ (exp x) (- (exp x) 1.0))
8.0ms
(- (exp x) 1.0)

series66.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(/ (exp x) (- (exp x) 1.0))
22.0ms
(- (exp x) 1.0)

simplify1.3s

Counts
57 → 57
Iterations
IterNodes
done5000
32908
2645
1191
091

prune230.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1/2 (* x 1/12))
0.0b
(+ (/ 1 x) (+ 1/2 (* x 1/12)))
0.3b
(* x 1/12)

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
10×add-log-exp
*-un-lft-identity
add-sqr-sqrt
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sum-log
flip3-+ associate-*r* associate-*l* flip-+
+-commutative frac-add distribute-lft-out
associate-+r+ pow-prod-down prod-exp *-commutative cbrt-unprod div-inv unswap-sqr
Counts
3 → 46
Calls
3 calls:
8.0ms
(+ 1/2 (* x 1/12))
42.0ms
(+ (/ 1 x) (+ 1/2 (* x 1/12)))
11.0ms
(* x 1/12)

series120.0ms

Counts
3 → 9
Calls
3 calls:
64.0ms
(+ 1/2 (* x 1/12))
27.0ms
(+ (/ 1 x) (+ 1/2 (* x 1/12)))
29.0ms
(* x 1/12)

simplify522.0ms

Counts
55 → 55
Iterations
IterNodes
done5002
21075
1250
084

prune150.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- 1 (/ 1.0 (exp x))))
0.0b
(/ 1.0 (exp x))
4.8b
(- 1 (/ 1.0 (exp x)))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
64×add-sqr-sqrt
44×*-un-lft-identity
43×times-frac
24×add-cube-cbrt
20×difference-of-squares
11×associate-/r*
add-exp-log
add-cbrt-cube
associate-/l*
distribute-lft-out-- add-log-exp
pow1
div-exp
cbrt-undiv clear-num frac-2neg flip3-- associate-/r/ div-inv flip--
rec-exp sub-neg diff-log 1-exp pow-flip inv-pow
Counts
3 → 97
Calls
3 calls:
56.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
10.0ms
(/ 1.0 (exp x))
24.0ms
(- 1 (/ 1.0 (exp x)))

series142.0ms

Counts
3 → 9
Calls
3 calls:
79.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
20.0ms
(/ 1.0 (exp x))
43.0ms
(- 1 (/ 1.0 (exp x)))

simplify703.0ms

Counts
106 → 106
Iterations
IterNodes
done5000
21153
1345
0162

prune338.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

localize52.0ms

Local error

Found 4 expressions with local error:

0.3b
(* x 1/12)
0.3b
(* x 1/12)
0.3b
(* x 1/12)
40.3b
(/ (+ (pow (+ (* x 1/12) 1/2) 3) (/ 1 (pow x 3))) (+ (* (+ (* x 1/12) 1/2) (+ (* x 1/12) (- 1/2 (/ 1 x)))) (/ (/ 1 x) x)))

rewrite458.0ms

Algorithm
rewrite-expression-head
Rules
32×*-un-lft-identity
26×add-sqr-sqrt
20×add-cube-cbrt
15×times-frac
12×add-cbrt-cube add-exp-log
10×pow1 frac-add associate-/r/
flip3-+ associate-*r* associate-*l* flip-+
distribute-lft-out
div-inv associate-/l*
frac-times add-log-exp associate-/l/
associate-/r* pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
cube-div associate-*l/ associate-*r/
cbrt-undiv clear-num frac-2neg div-exp
Counts
4 → 103
Calls
4 calls:
6.0ms
(* x 1/12)
6.0ms
(* x 1/12)
6.0ms
(* x 1/12)
438.0ms
(/ (+ (pow (+ (* x 1/12) 1/2) 3) (/ 1 (pow x 3))) (+ (* (+ (* x 1/12) 1/2) (+ (* x 1/12) (- 1/2 (/ 1 x)))) (/ (/ 1 x) x)))

series187.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(* x 1/12)
27.0ms
(* x 1/12)
25.0ms
(* x 1/12)
107.0ms
(/ (+ (pow (+ (* x 1/12) 1/2) 3) (/ 1 (pow x 3))) (+ (* (+ (* x 1/12) 1/2) (+ (* x 1/12) (- 1/2 (/ 1 x)))) (/ (/ 1 x) x)))

simplify1.3s

Counts
115 → 115
Iterations
IterNodes
done5000
22651
1543
0175

prune644.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes131.0ms

Accuracy

96.5% (0.7b remaining)

Error of 0.8b against oracle of 0.0b and baseline of 21.2b

bsearch1.0ms

simplify2.0ms

Iterations
IterNodes
done21
121
016

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.1s2638×body10240exit
682.0ms2167×body1280valid
477.0ms1677×body640valid
144.0ms2836×body80valid
114.0ms891×body320valid
35.0ms431×body160valid