Details

Time bar (total: 18.6s)

sample246.0ms

Algorithm
intervals
Results
68.0ms65×body1280valid
54.0ms42×body640valid
49.0ms47×body10240exit
42.0ms288×body80valid
11.0ms21×body320valid
1.0msbody160valid

simplify677.0ms

Counts
1 → 1
Iterations
IterNodes
done2001
41521
3381
2122
148
019

prune16.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.4b

localize44.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (* x (+ -1 eps)))
0.0b
(exp (* x (- -1 eps)))
0.0b
(exp (* x (- -1 eps)))
1.0b
(- (+ (exp (* x (+ -1 eps))) (/ (exp (* x (+ -1 eps))) eps)) (- (/ (exp (* x (- -1 eps))) eps) (exp (* x (- -1 eps)))))

rewrite198.0ms

Algorithm
rewrite-expression-head
Rules
22×add-log-exp
16×*-un-lft-identity
10×exp-sum
add-sqr-sqrt sub-neg diff-log distribute-lft-out--
distribute-rgt-in distribute-lft-in
pow1 add-cbrt-cube add-exp-log frac-sub add-cube-cbrt insert-posit16
exp-prod flip3-- exp-to-pow flip-- rem-exp-log
sum-log flip3-+ flip-+ distribute-lft-out associate--r+
associate--l+ associate--r- difference-of-squares
Counts
4 → 72
Calls
4 calls:
5.0ms
(exp (* x (+ -1 eps)))
7.0ms
(exp (* x (- -1 eps)))
6.0ms
(exp (* x (- -1 eps)))
179.0ms
(- (+ (exp (* x (+ -1 eps))) (/ (exp (* x (+ -1 eps))) eps)) (- (/ (exp (* x (- -1 eps))) eps) (exp (* x (- -1 eps)))))

series209.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(exp (* x (+ -1 eps)))
25.0ms
(exp (* x (- -1 eps)))
19.0ms
(exp (* x (- -1 eps)))
142.0ms
(- (+ (exp (* x (+ -1 eps))) (/ (exp (* x (+ -1 eps))) eps)) (- (/ (exp (* x (- -1 eps))) eps) (exp (* x (- -1 eps)))))

simplify1.1s

Counts
84 → 84
Iterations
IterNodes
done2001
21509
1398
0146

prune409.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.6b

localize19.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (* 2/3 x) (* x x))
0.3b
(* 2/3 x)
5.6b
(+ (* (* 2/3 x) (* x x)) (- 2 (* x x)))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
17×pow1 add-cbrt-cube add-exp-log
pow-prod-down prod-exp cbrt-unprod
add-log-exp
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
associate-*r* associate-*l*
insert-posit16
associate-+r+ sum-log *-commutative
+-commutative associate-+r- sub-neg flip3-+ diff-log flip-+ unswap-sqr
Counts
3 → 58
Calls
3 calls:
28.0ms
(* (* 2/3 x) (* x x))
5.0ms
(* 2/3 x)
27.0ms
(+ (* (* 2/3 x) (* x x)) (- 2 (* x x)))

series106.0ms

Counts
3 → 9
Calls
3 calls:
43.0ms
(* (* 2/3 x) (* x x))
24.0ms
(* 2/3 x)
39.0ms
(+ (* (* 2/3 x) (* x x)) (- 2 (* x x)))

simplify640.0ms

Counts
67 → 67
Iterations
IterNodes
done2003
2869
1232
088

prune226.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.6b

localize32.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (* x x) (* 2/3 x))
0.3b
(* 2/3 x)
5.6b
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
17×pow1 add-cbrt-cube add-exp-log
pow-prod-down prod-exp cbrt-unprod
add-log-exp
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
associate-*r* associate-*l*
insert-posit16
associate-+r+ sum-log *-commutative
+-commutative associate-+r- sub-neg flip3-+ diff-log flip-+ unswap-sqr
Counts
3 → 58
Calls
3 calls:
23.0ms
(* (* x x) (* 2/3 x))
5.0ms
(* 2/3 x)
32.0ms
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))

series116.0ms

Counts
3 → 9
Calls
3 calls:
50.0ms
(* (* x x) (* 2/3 x))
21.0ms
(* 2/3 x)
45.0ms
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))

simplify816.0ms

Counts
67 → 67
Iterations
IterNodes
done2001
2924
1256
088

prune268.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.6b

localize55.0ms

Local error

Found 4 expressions with local error:

1.5b
(cbrt (* (* (+ (* (* x x) (* 2/3 x)) (- 2 (* x x))) (+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))) (+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))))
5.6b
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))
5.6b
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))
5.6b
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))

rewrite460.0ms

Algorithm
rewrite-expression-head
Rules
30×flip3-+ flip-+
28×frac-times
26×cbrt-div
19×add-log-exp
14×associate-*l/
associate-*r/
associate-+r+ sum-log
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16
+-commutative associate-+r- sub-neg diff-log
cbrt-prod pow1/3 pow3 rem-cbrt-cube
Counts
4 → 85
Calls
4 calls:
354.0ms
(cbrt (* (* (+ (* (* x x) (* 2/3 x)) (- 2 (* x x))) (+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))) (+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))))
28.0ms
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))
26.0ms
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))
50.0ms
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))

series199.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(cbrt (* (* (+ (* (* x x) (* 2/3 x)) (- 2 (* x x))) (+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))) (+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))))
53.0ms
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))
46.0ms
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))
39.0ms
(+ (* (* x x) (* 2/3 x)) (- 2 (* x x)))

simplify718.0ms

Counts
97 → 97
Iterations
IterNodes
done2001
1425
0136

prune489.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.6b

regimes152.0ms

Accuracy

96.6% (0.5b remaining)

Error of 0.9b against oracle of 0.4b and baseline of 16.3b

bsearch283.0ms

Steps
ItersRangePoint
9
0.5242927222148749
19453700.538560145
41.6575809018513

simplify13.0ms

Iterations
IterNodes
done37
137
029

end0.0ms

sample10.9s

Algorithm
intervals
Results
3.7s1899×body10240exit
2.6s9973×body80valid
2.3s1743×body1280valid
1.5s1295×body640valid
352.0ms620×body320valid
104.0ms307×body160valid