Details

Time bar (total: 23.0s)

sample177.0ms

Algorithm
intervals
Results
52.0ms90×body1280valid
25.0ms31×body10240exit
18.0ms43×body640valid
11.0ms169×body80valid
10.0ms24×body640nan
9.0ms16×body1280nan
9.0ms29×body320valid
9.0ms170×body80nan
3.0ms10×body320nan
2.0ms15×body160valid
1.0msbody160nan

simplify953.0ms

Counts
1 → 1
Iterations
IterNodes
done5000
51231
4238
381
234
117
08

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.4b

localize20.0ms

Local error

Found 3 expressions with local error:

0.3b
(pow x (/ 1.0 n))
0.7b
(pow (+ x 1.0) (/ 1.0 n))
2.4b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt
28×*-un-lft-identity
26×pow-unpow
19×add-cube-cbrt
18×times-frac
17×unpow-prod-down
difference-of-squares
sqr-pow
pow1 add-exp-log add-log-exp
add-cbrt-cube distribute-lft-out--
pow-to-exp pow-pow pow-exp div-inv distribute-lft-out
sub-neg flip3-- diff-log flip--
Counts
3 → 79
Calls
3 calls:
6.0ms
(pow x (/ 1.0 n))
14.0ms
(pow (+ x 1.0) (/ 1.0 n))
71.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series743.0ms

Counts
3 → 9
Calls
3 calls:
78.0ms
(pow x (/ 1.0 n))
233.0ms
(pow (+ x 1.0) (/ 1.0 n))
431.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify1.1s

Counts
88 → 88
Iterations
IterNodes
done5001
22073
1544
0189

prune468.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 20.8b

localize33.0ms

Local error

Found 4 expressions with local error:

0.3b
(pow x (/ 1.0 n))
0.7b
(pow (+ 1.0 x) (/ 1.0 n))
0.7b
(pow (+ 1.0 x) (/ 1.0 n))
3.4b
(- (* (sqrt (pow (+ 1.0 x) (/ 1.0 n))) (sqrt (pow (+ 1.0 x) (/ 1.0 n)))) (pow x (/ 1.0 n)))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
39×pow-unpow
32×*-un-lft-identity
30×add-sqr-sqrt
28×add-cube-cbrt
27×times-frac
12×unpow-prod-down
pow1 add-exp-log
add-log-exp
add-cbrt-cube sqr-pow
pow-to-exp pow-pow pow-exp div-inv difference-of-squares
distribute-lft-out
sub-neg flip3-- diff-log flip--
Counts
4 → 98
Calls
4 calls:
7.0ms
(pow x (/ 1.0 n))
16.0ms
(pow (+ 1.0 x) (/ 1.0 n))
13.0ms
(pow (+ 1.0 x) (/ 1.0 n))
36.0ms
(- (* (sqrt (pow (+ 1.0 x) (/ 1.0 n))) (sqrt (pow (+ 1.0 x) (/ 1.0 n)))) (pow x (/ 1.0 n)))

series1.3s

Counts
4 → 12
Calls
4 calls:
90.0ms
(pow x (/ 1.0 n))
202.0ms
(pow (+ 1.0 x) (/ 1.0 n))
183.0ms
(pow (+ 1.0 x) (/ 1.0 n))
779.0ms
(- (* (sqrt (pow (+ 1.0 x) (/ 1.0 n))) (sqrt (pow (+ 1.0 x) (/ 1.0 n)))) (pow x (/ 1.0 n)))

simplify1.0s

Counts
110 → 110
Iterations
IterNodes
done5001
22103
1538
0180

prune632.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 20.7b

localize33.0ms

Local error

Found 4 expressions with local error:

0.6b
(/ (* 1.0 (log x)) (* x (* n n)))
2.0b
(+ (/ (/ 1.0 x) n) (/ (* 1.0 (log x)) (* x (* n n))))
9.1b
(* x (* n n))
10.6b
(/ (/ 0.5 n) (* x x))

rewrite92.0ms

Algorithm
rewrite-expression-head
Rules
42×add-cbrt-cube add-exp-log
33×times-frac
21×*-un-lft-identity
20×add-sqr-sqrt
19×add-cube-cbrt
14×prod-exp cbrt-unprod associate-/l*
12×cbrt-undiv div-exp
pow1
add-log-exp
div-inv
associate-*l* pow-prod-down
clear-num associate-/r* frac-2neg distribute-lft-out
+-commutative sum-log flip3-+ associate-*r* frac-add *-commutative flip-+ unswap-sqr associate-/l/
Counts
4 → 104
Calls
4 calls:
19.0ms
(/ (* 1.0 (log x)) (* x (* n n)))
44.0ms
(+ (/ (/ 1.0 x) n) (/ (* 1.0 (log x)) (* x (* n n))))
13.0ms
(* x (* n n))
11.0ms
(/ (/ 0.5 n) (* x x))

series416.0ms

Counts
4 → 12
Calls
4 calls:
146.0ms
(/ (* 1.0 (log x)) (* x (* n n)))
202.0ms
(+ (/ (/ 1.0 x) n) (/ (* 1.0 (log x)) (* x (* n n))))
35.0ms
(* x (* n n))
32.0ms
(/ (/ 0.5 n) (* x x))

simplify2.0s

Counts
116 → 116
Iterations
IterNodes
done5000
24916
1674
0227

prune566.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 20.6b

localize33.0ms

Local error

Found 4 expressions with local error:

0.6b
(/ (- (log x)) (* x (* n n)))
2.0b
(- (/ (/ 1 n) x) (/ (- (log x)) (* x (* n n))))
9.1b
(* x (* n n))
10.6b
(/ (/ 0.5 n) (* x x))

rewrite202.0ms

Algorithm
rewrite-expression-head
Rules
48×times-frac
38×add-sqr-sqrt
30×add-cbrt-cube add-exp-log
28×*-un-lft-identity
25×add-cube-cbrt associate-/l*
13×pow1
cbrt-undiv div-exp
distribute-lft-neg-in distribute-rgt-neg-in prod-exp cbrt-unprod
add-log-exp
log-pow div-inv difference-of-squares
associate-*l* pow-prod-down
neg-sub0 clear-num associate-/r* neg-mul-1 frac-2neg div-sub
sub-neg flip3-- diff-log associate-*r* distribute-frac-neg *-commutative frac-sub flip-- distribute-lft-out-- associate--r- unswap-sqr associate-/l/
Counts
4 → 127
Calls
4 calls:
25.0ms
(/ (- (log x)) (* x (* n n)))
117.0ms
(- (/ (/ 1 n) x) (/ (- (log x)) (* x (* n n))))
34.0ms
(* x (* n n))
22.0ms
(/ (/ 0.5 n) (* x x))

series272.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(/ (- (log x)) (* x (* n n)))
68.0ms
(- (/ (/ 1 n) x) (/ (- (log x)) (* x (* n n))))
52.0ms
(* x (* n n))
38.0ms
(/ (/ 0.5 n) (* x x))

simplify2.3s

Counts
139 → 139
Iterations
IterNodes
done5001
23984
1693
0251

prune852.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 20.6b

regimes510.0ms

Accuracy

83.2% (1.5b remaining)

Error of 21.9b against oracle of 20.4b and baseline of 29.4b

bsearch315.0ms

Steps
ItersRangePoint
10
5.09324609688744e-06
61777.909360781356
61241.106988453445
9
-220115457164908.94
-531429590.62988466
-594192892.165202

simplify3.0ms

Iterations
IterNodes
done41
141
034

end0.0ms

sample8.8s

Algorithm
intervals
Results
3.0s3137×body1280valid
1.3s1151×body10240exit
1.1s1624×body640valid
546.0ms672×body1280nan
541.0ms5096×body80nan
432.0ms4706×body80valid
388.0ms633×body640nan
346.0ms848×body320valid
147.0ms441×body160valid
105.0ms316×body320nan
35.0ms182×body160nan