Details

Time bar (total: 19.5s)

sample93.0ms

Algorithm
intervals
Results
40.0ms86×body1280valid
13.0ms42×body640valid
12.0ms172×body80valid
9.0ms23×body320valid
2.0ms16×body160valid

simplify2.4s

Counts
1 → 1
Iterations
IterNodes
done5001
71575
6382
5135
456
329
219
114
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.7b

localize17.0ms

Local error

Found 2 expressions with local error:

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

rewrite28.0ms

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:
6.0ms
(exp (* a x))
21.0ms
(- (exp (* a x)) 1)

series66.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(exp (* a x))
44.0ms
(- (exp (* a x)) 1)

simplify3.0s

Counts
34 → 34
Iterations
IterNodes
done5002
43726
31134
2328
1123
056

prune179.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize24.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* a x) (* a x))
0.2b
(* (* a x) (* a x))
3.2b
(+ (* 1/2 (* (* a x) (* a x))) (* a x))
12.6b
(+ (* (* (* (* a x) (* a x)) (* a x)) 1/6) (+ (* 1/2 (* (* a x) (* a x))) (* a x)))

rewrite677.0ms

Algorithm
rewrite-expression-head
Rules
82×pow1
34×pow-prod-down
28×add-cbrt-cube add-exp-log
16×prod-exp cbrt-unprod
11×add-log-exp
pow-sqr pow-prod-up
add-sqr-sqrt sum-log *-un-lft-identity pow-plus add-cube-cbrt insert-posit16
pow2 +-commutative flip3-+ swap-sqr associate-*r* associate-*l* *-commutative flip-+
associate-+r+
Counts
4 → 96
Calls
4 calls:
45.0ms
(* (* a x) (* a x))
45.0ms
(* (* a x) (* a x))
56.0ms
(+ (* 1/2 (* (* a x) (* a x))) (* a x))
529.0ms
(+ (* (* (* (* a x) (* a x)) (* a x)) 1/6) (+ (* 1/2 (* (* a x) (* a x))) (* a x)))

series316.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(* (* a x) (* a x))
53.0ms
(* (* a x) (* a x))
77.0ms
(+ (* 1/2 (* (* a x) (* a x))) (* a x))
150.0ms
(+ (* (* (* (* a x) (* a x)) (* a x)) 1/6) (+ (* 1/2 (* (* a x) (* a x))) (* a x)))

simplify1.5s

Counts
108 → 108
Iterations
IterNodes
done5024
21414
1297
095

prune325.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize35.0ms

Local error

Found 4 expressions with local error:

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

rewrite124.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
19×*-un-lft-identity
11×associate-*r*
10×add-log-exp
sqrt-prod
difference-of-squares
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
associate-*l*
frac-times flip3-- difference-of-sqr-1 insert-posit16 flip-- distribute-lft-out--
sub-neg flip3-+ flip-+
distribute-rgt-in exp-prod distribute-lft-in exp-to-pow associate-*l/ associate-*r/ distribute-lft-out rem-exp-log
diff-log pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 84
Calls
4 calls:
4.0ms
(exp (* a x))
4.0ms
(exp (* a x))
80.0ms
(* (+ (sqrt (exp (* a x))) 1) (- (sqrt (exp (* a x))) 1))
34.0ms
(- (sqrt (exp (* a x))) 1)

series238.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(exp (* a x))
28.0ms
(exp (* a x))
139.0ms
(* (+ (sqrt (exp (* a x))) 1) (- (sqrt (exp (* a x))) 1))
48.0ms
(- (sqrt (exp (* a x))) 1)

simplify3.2s

Counts
96 → 96
Iterations
IterNodes
done5184
34767
21371
1317
0113

prune466.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize66.0ms

Local error

Found 4 expressions with local error:

1.2b
(* (* 1/48 a) (* (* x a) (* x a)))
3.2b
(+ (* 1/2 (* x a)) (* (* 1/8 (* x a)) (* x a)))
4.3b
(* (* (* 1/48 a) (* (* x a) (* x a))) x)
12.6b
(+ (+ (* 1/2 (* x a)) (* (* 1/8 (* x a)) (* x a))) (* (* (* 1/48 a) (* (* x a) (* x a))) x))

rewrite525.0ms

Algorithm
rewrite-expression-head
Rules
98×pow1 add-cbrt-cube add-exp-log
73×pow-prod-down prod-exp cbrt-unprod
11×add-log-exp
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
sum-log associate-*r* insert-posit16
+-commutative flip3-+ associate-*l* *-commutative flip-+
associate-+l+ distribute-rgt-out
Counts
4 → 114
Calls
4 calls:
86.0ms
(* (* 1/48 a) (* (* x a) (* x a)))
18.0ms
(+ (* 1/2 (* x a)) (* (* 1/8 (* x a)) (* x a)))
284.0ms
(* (* (* 1/48 a) (* (* x a) (* x a))) x)
132.0ms
(+ (+ (* 1/2 (* x a)) (* (* 1/8 (* x a)) (* x a))) (* (* (* 1/48 a) (* (* x a) (* x a))) x))

series431.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(* (* 1/48 a) (* (* x a) (* x a)))
101.0ms
(+ (* 1/2 (* x a)) (* (* 1/8 (* x a)) (* x a)))
113.0ms
(* (* (* 1/48 a) (* (* x a) (* x a))) x)
151.0ms
(+ (+ (* 1/2 (* x a)) (* (* 1/8 (* x a)) (* x a))) (* (* (* 1/48 a) (* (* x a) (* x a))) x))

simplify2.2s

Counts
126 → 126
Iterations
IterNodes
done5000
22406
1527
0170

prune448.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

regimes428.0ms

Accuracy

98.5% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 21.0b

bsearch2.0ms

simplify16.0ms

Iterations
IterNodes
done56
156
036

end0.0ms

sample2.7s

Algorithm
intervals
Results
1.5s2731×body1280valid
417.0ms1336×body640valid
323.0ms5435×body80valid
159.0ms787×body320valid
70.0ms368×body160valid