Details

Time bar (total: 38.2s)

sample103.0ms

Algorithm
intervals
Results
53.0ms66×body10240exit
21.0ms263×body80valid
3.0msbody640valid
2.0msbody320valid
2.0msbody1280valid
1.0msbody160valid

simplify56.0ms

Counts
1 → 1
Iterations
IterNodes
done19
219
112
08

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize59.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1.0 (exp x))
0.0b
(- (log (+ 1.0 (exp x))) (* x y))
0.5b
(log (+ 1.0 (exp x)))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
log-prod
add-log-exp
add-sqr-sqrt add-cube-cbrt
pow1 log-div associate--l+ add-exp-log
flip3-+ add-cbrt-cube flip-+ insert-posit16 distribute-lft-out
associate--l-
+-commutative sum-log sub-neg flip3-- diff-log rem-log-exp log-pow flip--
Counts
3 → 48
Calls
3 calls:
24.0ms
(+ 1.0 (exp x))
50.0ms
(- (log (+ 1.0 (exp x))) (* x y))
19.0ms
(log (+ 1.0 (exp x)))

series287.0ms

Counts
3 → 9
Calls
3 calls:
19.0ms
(+ 1.0 (exp x))
129.0ms
(- (log (+ 1.0 (exp x))) (* x y))
139.0ms
(log (+ 1.0 (exp x)))

simplify8.0s

Counts
57 → 57
Iterations
IterNodes
done5011
44738
31557
2532
1214
095

prune607.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.4b

localize150.0ms

Local error

Found 4 expressions with local error:

0.7b
(* (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x))))) (cbrt (log (+ 1.0 (exp x)))))
1.1b
(cbrt (log (+ 1.0 (exp x))))
1.1b
(cbrt (log (+ 1.0 (exp x))))
1.1b
(cbrt (log (+ 1.0 (exp x))))

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
27×pow1
17×cbrt-prod
12×pow1/3
11×add-sqr-sqrt
*-un-lft-identity add-exp-log pow-prod-up add-cube-cbrt
associate-*r*
pow-plus
add-cbrt-cube pow-prod-down
log-pow insert-posit16 add-log-exp
prod-exp pow-sqr cbrt-unprod
pow2 unswap-sqr
associate-*l* pow3 *-commutative
Counts
4 → 76
Calls
4 calls:
90.0ms
(* (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x))))) (cbrt (log (+ 1.0 (exp x)))))
5.0ms
(cbrt (log (+ 1.0 (exp x))))
6.0ms
(cbrt (log (+ 1.0 (exp x))))
4.0ms
(cbrt (log (+ 1.0 (exp x))))

series1.7s

Counts
4 → 12
Calls
4 calls:
159.0ms
(* (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x))))) (cbrt (log (+ 1.0 (exp x)))))
492.0ms
(cbrt (log (+ 1.0 (exp x))))
492.0ms
(cbrt (log (+ 1.0 (exp x))))
524.0ms
(cbrt (log (+ 1.0 (exp x))))

simplify5.0s

Counts
88 → 88
Iterations
IterNodes
done5000
32093
2692
1236
096

prune822.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.4b

localize108.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (* x x) 1/2)
0.0b
(+ (+ 2.0 x) (* (* x x) 1/2))
0.0b
(- (log (+ (+ 2.0 x) (* (* x x) 1/2))) (* x y))
7.5b
(log (+ (+ 2.0 x) (* (* x x) 1/2)))

rewrite307.0ms

Algorithm
rewrite-expression-head
Rules
10×pow1 add-exp-log add-log-exp
add-cbrt-cube
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
log-prod
log-div insert-posit16
sum-log flip3-+ associate-*r* pow-prod-down prod-exp associate--l+ cbrt-unprod flip-+
associate--l-
+-commutative associate-+l+ sub-neg flip3-- diff-log rem-log-exp associate-*l* log-pow *-commutative flip-- unswap-sqr
Counts
4 → 67
Calls
4 calls:
77.0ms
(* (* x x) 1/2)
91.0ms
(+ (+ 2.0 x) (* (* x x) 1/2))
78.0ms
(- (log (+ (+ 2.0 x) (* (* x x) 1/2))) (* x y))
56.0ms
(log (+ (+ 2.0 x) (* (* x x) 1/2)))

series320.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(* (* x x) 1/2)
24.0ms
(+ (+ 2.0 x) (* (* x x) 1/2))
155.0ms
(- (log (+ (+ 2.0 x) (* (* x x) 1/2))) (* x y))
92.0ms
(log (+ (+ 2.0 x) (* (* x x) 1/2)))

simplify8.9s

Counts
79 → 79
Iterations
IterNodes
done5000
34732
21159
1372
0145

prune884.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.4b

localize173.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 0.5 x) (* 0.25 (* x x)))
0.0b
(- (log 2.0) (* (* 1/2 (/ x 2.0)) (/ x 2.0)))
0.0b
(- (+ (+ (* 0.5 x) (* 0.25 (* x x))) (- (log 2.0) (* (* 1/2 (/ x 2.0)) (/ x 2.0)))) (* x y))
6.2b
(+ (+ (* 0.5 x) (* 0.25 (* x x))) (- (log 2.0) (* (* 1/2 (/ x 2.0)) (/ x 2.0))))

rewrite734.0ms

Algorithm
rewrite-expression-head
Rules
33×add-log-exp
13×sum-log
10×diff-log
*-un-lft-identity
associate--l+
add-sqr-sqrt log-prod add-cube-cbrt
associate-+r+
pow1 flip3-+ flip3-- add-cbrt-cube frac-add add-exp-log flip-+ insert-posit16 flip--
sub-neg
+-commutative associate-+r-
associate--l- associate-+l+ distribute-lft-out
Counts
4 → 74
Calls
4 calls:
19.0ms
(+ (* 0.5 x) (* 0.25 (* x x)))
24.0ms
(- (log 2.0) (* (* 1/2 (/ x 2.0)) (/ x 2.0)))
581.0ms
(- (+ (+ (* 0.5 x) (* 0.25 (* x x))) (- (log 2.0) (* (* 1/2 (/ x 2.0)) (/ x 2.0)))) (* x y))
107.0ms
(+ (+ (* 0.5 x) (* 0.25 (* x x))) (- (log 2.0) (* (* 1/2 (/ x 2.0)) (/ x 2.0))))

series693.0ms

Counts
4 → 12
Calls
4 calls:
114.0ms
(+ (* 0.5 x) (* 0.25 (* x x)))
456.0ms
(- (log 2.0) (* (* 1/2 (/ x 2.0)) (/ x 2.0)))
75.0ms
(- (+ (+ (* 0.5 x) (* 0.25 (* x x))) (- (log 2.0) (* (* 1/2 (/ x 2.0)) (/ x 2.0)))) (* x y))
48.0ms
(+ (+ (* 0.5 x) (* 0.25 (* x x))) (- (log 2.0) (* (* 1/2 (/ x 2.0)) (/ x 2.0))))

simplify4.2s

Counts
86 → 86
Iterations
IterNodes
done5004
22088
1492
0149

prune752.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.4b

regimes327.0ms

Accuracy

58.7% (0.5b remaining)

Error of 0.8b against oracle of 0.2b and baseline of 1.5b

bsearch148.0ms

Steps
ItersRangePoint
10
4.3052657707541446e-11
32.81305289360078
9.261101280752574e-07
6
-252269475.2976281
-15918868.771886915
-16179825.06434172

simplify18.0ms

Iterations
IterNodes
done44
144
032

end0.0ms

sample3.7s

Algorithm
intervals
Results
2.0s2386×body10240exit
1.0s8495×body80valid
115.0ms258×body640valid
82.0ms107×body1280valid
55.0ms202×body320valid
16.0ms90×body160valid