Details

Time bar (total: 12.1s)

sample100.0ms

Algorithm
intervals
Results
50.0ms72×body1280valid
18.0ms49×body640valid
8.0ms100×body80nan
7.0ms36×body320valid
3.0ms83×body80valid
2.0ms16×body160valid

simplify1.0ms

Counts
1 → 1
Iterations
IterNodes
done5
15
04

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.8b

localize10.0ms

Local error

Found 1 expressions with local error:

4.8b
(log (+ x 1.0))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
add-sqr-sqrt pow1 log-div add-exp-log add-cube-cbrt
flip3-+ add-cbrt-cube rem-log-exp log-pow flip-+ distribute-lft-out add-log-exp
Counts
1 → 15
Calls
1 calls:
7.0ms
(log (+ x 1.0))

series75.0ms

Counts
1 → 3
Calls
1 calls:
75.0ms
(log (+ x 1.0))

simplify863.0ms

Counts
18 → 18
Iterations
IterNodes
done5001
31359
2384
1123
059

prune118.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* (/ (* x x) 1.0) (/ -1/2 1.0)) (+ (log 1.0) (* x 1.0)))
0.0b
(* (/ (* x x) 1.0) (/ -1/2 1.0))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
23×add-cbrt-cube add-exp-log
21×add-sqr-sqrt
16×times-frac
13×associate-*r*
11×*-un-lft-identity add-cube-cbrt
prod-exp cbrt-unprod
cbrt-undiv div-exp associate-*l*
frac-add add-log-exp
pow1 flip3-+ flip-+ unswap-sqr
frac-times sum-log associate-*l/ associate-*r/
div-inv
+-commutative associate-+r+ pow-prod-down *-commutative
Counts
2 → 67
Calls
2 calls:
52.0ms
(+ (* (/ (* x x) 1.0) (/ -1/2 1.0)) (+ (log 1.0) (* x 1.0)))
50.0ms
(* (/ (* x x) 1.0) (/ -1/2 1.0))

series79.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(+ (* (/ (* x x) 1.0) (/ -1/2 1.0)) (+ (log 1.0) (* x 1.0)))
34.0ms
(* (/ (* x x) 1.0) (/ -1/2 1.0))

simplify2.6s

Counts
73 → 73
Iterations
IterNodes
done5000
24274
1589
0166

prune270.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 3 expressions with local error:

0.2b
(cbrt (pow (log (+ 1.0 x)) 3))
0.2b
(pow (log (+ 1.0 x)) 3)
4.8b
(log (+ 1.0 x))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
14×cbrt-prod
12×*-un-lft-identity
10×add-sqr-sqrt add-cube-cbrt
pow1
unpow-prod-down cube-prod
add-exp-log log-pow
log-prod add-cbrt-cube
pow-unpow add-log-exp
cube-mult log-div unpow3 sqr-pow
pow-to-exp pow-pow flip3-+ pow1/3 rem-log-exp pow-exp rem-cbrt-cube flip-+ distribute-lft-out rem-cube-cbrt
Counts
3 → 63
Calls
3 calls:
2.0ms
(cbrt (pow (log (+ 1.0 x)) 3))
3.0ms
(pow (log (+ 1.0 x)) 3)
4.0ms
(log (+ 1.0 x))

series254.0ms

Counts
3 → 9
Calls
3 calls:
48.0ms
(cbrt (pow (log (+ 1.0 x)) 3))
147.0ms
(pow (log (+ 1.0 x)) 3)
58.0ms
(log (+ 1.0 x))

simplify1.4s

Counts
72 → 72
Iterations
IterNodes
done5000
22204
1448
0158

prune204.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(* x (- x 1.0))
0.3b
(- (log (+ (pow x 3) (pow 1.0 3))) (log (+ (* 1.0 1.0) (* x (- x 1.0)))))
14.5b
(log (+ (pow x 3) (pow 1.0 3)))
15.3b
(log (+ (* 1.0 1.0) (* x (- x 1.0))))

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
36×*-un-lft-identity
24×log-prod
16×add-sqr-sqrt
12×pow1
10×add-cube-cbrt distribute-lft-out
associate--l+
log-div unpow-prod-down cube-prod add-exp-log
add-cbrt-cube log-pow
associate-*r* distribute-lft-out--
flip3-+ flip-+ add-log-exp
sub-neg associate-*l* associate--r+
associate--l- distribute-rgt-in distribute-lft-in flip3-- rem-log-exp associate-*r/ sum-cubes flip-- associate--r- difference-of-squares
diff-log pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 93
Calls
4 calls:
33.0ms
(* x (- x 1.0))
50.0ms
(- (log (+ (pow x 3) (pow 1.0 3))) (log (+ (* 1.0 1.0) (* x (- x 1.0)))))
19.0ms
(log (+ (pow x 3) (pow 1.0 3)))
9.0ms
(log (+ (* 1.0 1.0) (* x (- x 1.0))))

series805.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(* x (- x 1.0))
211.0ms
(- (log (+ (pow x 3) (pow 1.0 3))) (log (+ (* 1.0 1.0) (* x (- x 1.0)))))
413.0ms
(log (+ (pow x 3) (pow 1.0 3)))
108.0ms
(log (+ (* 1.0 1.0) (* x (- x 1.0))))

simplify1.5s

Counts
105 → 105
Iterations
IterNodes
done5000
22115
1496
0202

prune544.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.1b

regimes81.0ms

Accuracy

99.3% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 21.6b

bsearch59.0ms

Steps
ItersRangePoint
7
7.46228068957284e-06
0.00104763160503943
8.734655660045007e-05

simplify7.0ms

Iterations
IterNodes
done39
139
029

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.4s2149×body1280valid
548.0ms1678×body640valid
191.0ms884×body320valid
157.0ms2860×body80valid
94.0ms2622×body80nan
91.0ms429×body160valid