Details

Time bar (total: 12.1s)

sample57.0ms

Algorithm
intervals
Results
15.0ms85×body10240exit
14.0ms63×body1280valid
10.0ms69×body640valid
3.0ms92×body80valid
2.0ms19×body320valid
1.0ms13×body160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done8
28
17
05

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.7b

localize11.0ms

Local error

Found 2 expressions with local error:

0.7b
(/ (exp x) (- (exp x) 1.0))
3.0b
(- (exp x) 1.0)

rewrite54.0ms

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:
23.0ms
(/ (exp x) (- (exp x) 1.0))
13.0ms
(- (exp x) 1.0)

series69.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(/ (exp x) (- (exp x) 1.0))
24.0ms
(- (exp x) 1.0)

simplify1.3s

Counts
57 → 57
Iterations
IterNodes
done5002
31479
2540
1191
091

prune217.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.7b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
0.4b
(* 1/12 x)

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
sum-log associate-*r* associate-*l*
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
2 → 31
Calls
2 calls:
56.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
9.0ms
(* 1/12 x)

series45.0ms

Counts
2 → 6
Calls
2 calls:
18.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
27.0ms
(* 1/12 x)

simplify1.4s

Counts
37 → 37
Iterations
IterNodes
done5002
31810
2477
1154
058

prune140.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.7b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* (* 1/12 (sqrt x)) (sqrt x)) (+ (/ 1 x) 1/2))
0.1b
(* 1/12 (sqrt x))
0.2b
(* (* 1/12 (sqrt x)) (sqrt x))

rewrite104.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt associate-*r*
10×pow1 add-cbrt-cube add-exp-log
*-un-lft-identity add-cube-cbrt add-log-exp
sqrt-prod
associate-*l* pow-prod-down prod-exp cbrt-unprod
sum-log
*-commutative unswap-sqr
+-commutative associate-+r+ flip3-+ flip-+
Counts
3 → 56
Calls
3 calls:
64.0ms
(+ (* (* 1/12 (sqrt x)) (sqrt x)) (+ (/ 1 x) 1/2))
12.0ms
(* 1/12 (sqrt x))
26.0ms
(* (* 1/12 (sqrt x)) (sqrt x))

series133.0ms

Counts
3 → 9
Calls
3 calls:
48.0ms
(+ (* (* 1/12 (sqrt x)) (sqrt x)) (+ (/ 1 x) 1/2))
59.0ms
(* 1/12 (sqrt x))
27.0ms
(* (* 1/12 (sqrt x)) (sqrt x))

simplify3.3s

Counts
65 → 65
Iterations
IterNodes
done5013
34442
21029
1295
0104

prune246.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.7b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (exp (log (* 1/12 x))) (+ (/ 1 x) 1/2))
0.4b
(* 1/12 x)
2.1b
(exp (log (* 1/12 x)))

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
add-sqr-sqrt pow1 add-log-exp
add-cube-cbrt
exp-prod add-cbrt-cube add-exp-log distribute-lft-out
sum-log associate-*r* associate-*l*
pow-prod-down log-pow
+-commutative associate-+r+ log-prod flip3-+ exp-sum prod-exp *-commutative cbrt-unprod flip-+ div-inv unswap-sqr rem-exp-log
Counts
3 → 48
Calls
3 calls:
65.0ms
(+ (exp (log (* 1/12 x))) (+ (/ 1 x) 1/2))
10.0ms
(* 1/12 x)
18.0ms
(exp (log (* 1/12 x)))

series71.0ms

Counts
3 → 9
Calls
3 calls:
27.0ms
(+ (exp (log (* 1/12 x))) (+ (/ 1 x) 1/2))
25.0ms
(* 1/12 x)
19.0ms
(exp (log (* 1/12 x)))

simplify1.6s

Counts
57 → 57
Iterations
IterNodes
done5012
31951
2522
1182
075

prune244.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.7b

regimes160.0ms

Accuracy

97.8% (0.5b remaining)

Error of 0.9b against oracle of 0.4b and baseline of 21.7b

bsearch1.0ms

simplify5.0ms

Iterations
IterNodes
done34
134
023

end0.0ms

sample2.6s

Algorithm
intervals
Results
1.1s2547×body10240exit
716.0ms2251×body1280valid
299.0ms1626×body640valid
139.0ms833×body320valid
138.0ms2888×body80valid
31.0ms402×body160valid