Details

Time bar (total: 21.0s)

sample69.0ms

Algorithm
intervals
Results
35.0ms91×body1280valid
10.0ms198×body80valid
8.0ms36×body640valid
3.0ms18×body320valid
1.0ms11×body160valid

simplify6.2s

Counts
1 → 1
Iterations
IterNodes
86784
71297
6376
5135
456
329
219
114
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.4b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
3.5b
(- (exp (* a x)) 1)

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-log-exp
*-un-lft-identity
pow1 add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 difference-of-squares
exp-prod sub-neg flip3-- exp-to-pow diff-log difference-of-sqr-1 flip-- distribute-lft-out-- rem-exp-log
Counts
2 → 28
Calls
2 calls:
4.0ms
(exp (* a x))
11.0ms
(- (exp (* a x)) 1)

series52.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(exp (* a x))
38.0ms
(- (exp (* a x)) 1)

simplify1.2s

Counts
34 → 34
Iterations
IterNodes
43037
3891
2297
1117
056

prune280.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize47.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (* (* a x) (* a x)) (* a x)) 1/6)
0.2b
(* (* a x) (* a x))
0.2b
(* (* 1/2 (* a x)) (* a x))
14.3b
(+ (* (* 1/2 (* a x)) (* a x)) (+ (* a x) (* (* (* (* a x) (* a x)) (* a x)) 1/6)))

rewrite490.0ms

Algorithm
rewrite-expression-head
Rules
117×pow1
90×add-cbrt-cube add-exp-log
74×pow-prod-down
65×prod-exp cbrt-unprod
add-log-exp
add-sqr-sqrt *-un-lft-identity associate-*r* add-cube-cbrt
pow-sqr pow-prod-up insert-posit16
sum-log associate-*l* *-commutative
pow-plus
pow2 +-commutative associate-+r+ flip3-+ swap-sqr flip-+
Counts
4 → 124
Calls
4 calls:
310.0ms
(* (* (* (* a x) (* a x)) (* a x)) 1/6)
29.0ms
(* (* a x) (* a x))
76.0ms
(* (* 1/2 (* a x)) (* a x))
73.0ms
(+ (* (* 1/2 (* a x)) (* a x)) (+ (* a x) (* (* (* (* a x) (* a x)) (* a x)) 1/6)))

series322.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(* (* (* (* a x) (* a x)) (* a x)) 1/6)
49.0ms
(* (* a x) (* a x))
61.0ms
(* (* 1/2 (* a x)) (* a x))
129.0ms
(+ (* (* 1/2 (* a x)) (* a x)) (+ (* a x) (* (* (* (* a x) (* a x)) (* a x)) 1/6)))

simplify788.0ms

Counts
136 → 136
Iterations
IterNodes
22113
1528
0169

prune1.3s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.1b

localize39.0ms

Local error

Found 4 expressions with local error:

0.1b
(cbrt (- (exp (* a x)) 1))
3.5b
(- (exp (* a x)) 1)
3.5b
(- (exp (* a x)) 1)
3.5b
(- (exp (* a x)) 1)

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
21×add-sqr-sqrt
17×*-un-lft-identity
10×add-log-exp
difference-of-squares
cbrt-prod
add-cube-cbrt
pow1 flip3-- add-cbrt-cube difference-of-sqr-1 add-exp-log insert-posit16 flip-- distribute-lft-out--
sub-neg diff-log
cbrt-div
pow1/3
Counts
4 → 69
Calls
4 calls:
6.0ms
(cbrt (- (exp (* a x)) 1))
11.0ms
(- (exp (* a x)) 1)
11.0ms
(- (exp (* a x)) 1)
23.0ms
(- (exp (* a x)) 1)

series308.0ms

Counts
4 → 12
Calls
4 calls:
158.0ms
(cbrt (- (exp (* a x)) 1))
55.0ms
(- (exp (* a x)) 1)
48.0ms
(- (exp (* a x)) 1)
46.0ms
(- (exp (* a x)) 1)

simplify3.3s

Counts
81 → 81
Iterations
IterNodes
45275
31408
2433
1174
082

prune969.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.1b

localize48.0ms

Local error

Found 4 expressions with local error:

3.5b
(- (exp (* a x)) 1)
3.5b
(- (exp (* a x)) 1)
3.5b
(- (exp (* a x)) 1)
3.5b
(- (exp (* a x)) 1)

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
16×*-un-lft-identity
12×add-log-exp
difference-of-squares
pow1 sub-neg flip3-- add-cbrt-cube diff-log difference-of-sqr-1 add-exp-log add-cube-cbrt insert-posit16 flip-- distribute-lft-out--
Counts
4 → 68
Calls
4 calls:
12.0ms
(- (exp (* a x)) 1)
12.0ms
(- (exp (* a x)) 1)
11.0ms
(- (exp (* a x)) 1)
19.0ms
(- (exp (* a x)) 1)

series159.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(- (exp (* a x)) 1)
41.0ms
(- (exp (* a x)) 1)
38.0ms
(- (exp (* a x)) 1)
36.0ms
(- (exp (* a x)) 1)

simplify1.2s

Counts
80 → 80
Iterations
IterNodes
42755
3857
2271
1107
048

prune1.0s

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.1b

regimes603.0ms

Accuracy

98.9% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.3b

bsearch2.0ms

simplify19.0ms

Iterations
IterNodes
252
152
035

end0.0ms

sample2.4s

Algorithm
intervals
Results
1.2s2709×body1280valid
422.0ms1266×body640valid
373.0ms5486×body80valid
183.0ms779×body320valid
51.0ms416×body160valid