Details

Time bar (total: 17.6s)

sample37.0ms

Algorithm
intervals
Results
10.0ms32×body1280valid
6.0ms192×body80valid
4.0ms256×pre80true
2.0ms16×body640valid
1.0ms13×body320valid
0.0msbody160valid

simplify2.4s

Counts
1 → 1
Iterations
IterNodes
done5001
94613
81507
7644
6306
5164
474
353
234
120
010

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.0b

localize25.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.0b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite262.0ms

Algorithm
rewrite-expression-head
Rules
58×*-un-lft-identity
26×add-sqr-sqrt
25×times-frac
19×distribute-lft-out
14×add-cube-cbrt
distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-cbrt-cube add-exp-log add-log-exp
pow1 flip3-+ div-sub associate-/r/ flip-+ associate-/l/
cbrt-undiv +-commutative clear-num sum-log frac-2neg flip3-- div-exp associate-+l- div-inv flip--
Counts
2 → 65
Calls
2 calls:
60.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
197.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series163.0ms

Counts
2 → 6
Calls
2 calls:
73.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
89.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.0s

Counts
71 → 71
Iterations
IterNodes
done5001
21359
1326
0124

prune315.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 14.5b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
1.0b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite256.0ms

Algorithm
rewrite-expression-head
Rules
65×*-un-lft-identity
31×times-frac
28×add-sqr-sqrt
24×distribute-lft-out
23×add-cube-cbrt
10×associate-/r*
add-cbrt-cube add-exp-log
associate-/l*
add-log-exp
associate-/r/
pow1
cbrt-undiv clear-num frac-2neg flip3-+ div-exp flip-+ div-inv difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
3 → 89
Calls
3 calls:
37.0ms
(/ beta (+ (+ alpha beta) 2.0))
28.0ms
(/ alpha (+ (+ alpha beta) 2.0))
187.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series222.0ms

Counts
3 → 9
Calls
3 calls:
74.0ms
(/ beta (+ (+ alpha beta) 2.0))
61.0ms
(/ alpha (+ (+ alpha beta) 2.0))
87.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.2s

Counts
98 → 98
Iterations
IterNodes
done5001
21315
1341
0153

prune517.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.2b

localize32.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.1b
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
1.0b
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

rewrite393.0ms

Algorithm
rewrite-expression-head
Rules
244×*-un-lft-identity
130×times-frac
96×distribute-lft-out
84×add-sqr-sqrt
72×add-cube-cbrt
39×swap-sqr
21×associate-*r* associate-*l*
20×add-cbrt-cube add-exp-log
12×associate-/r/
11×pow1
10×associate-/r*
cbrt-undiv flip3-+ div-exp flip-+ div-inv associate-/l* add-log-exp
prod-exp cbrt-unprod unswap-sqr
clear-num frac-2neg
pow2 frac-times sub-neg pow-plus flip3-- diff-log pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up flip-- difference-of-squares
Counts
4 → 196
Calls
4 calls:
55.0ms
(/ alpha (+ (+ alpha beta) 2.0))
54.0ms
(/ alpha (+ (+ alpha beta) 2.0))
212.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
63.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

series360.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(/ alpha (+ (+ alpha beta) 2.0))
61.0ms
(/ alpha (+ (+ alpha beta) 2.0))
91.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
137.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

simplify2.6s

Counts
208 → 208
Iterations
IterNodes
done5001
24027
1640
0191

prune1.1s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.2b

localize126.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
1.0b
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))
1.0b
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))
1.0b
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

rewrite374.0ms

Algorithm
rewrite-expression-head
Rules
184×*-un-lft-identity
100×times-frac
72×distribute-lft-out
64×add-sqr-sqrt
52×add-cube-cbrt
39×swap-sqr
21×associate-*r* associate-*l*
16×add-cbrt-cube add-exp-log
11×pow1
10×add-log-exp
associate-/r/
cbrt-undiv flip3-+ div-exp prod-exp cbrt-unprod flip-+ div-inv unswap-sqr
sub-neg flip3-- diff-log flip-- difference-of-squares
pow2 frac-times pow-plus pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up
Counts
4 → 148
Calls
4 calls:
170.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
61.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))
73.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))
53.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

series476.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
132.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))
122.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))
140.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

simplify2.7s

Counts
160 → 160
Iterations
IterNodes
done5002
23512
1601
0177

prune966.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.2b

regimes245.0ms

Accuracy

74.9% (3.2b remaining)

Error of 6.1b against oracle of 3.0b and baseline of 15.6b

bsearch102.0ms

Steps
ItersRangePoint
8
1541639454070.677
19367525498197844.0
7715362331151764.0

simplify16.0ms

Iterations
IterNodes
done36
136
032

end0.0ms

sample1.7s

Algorithm
intervals
Results
667.0ms841×body1280valid
362.0ms5862×body80valid
228.0ms8000×pre80true
141.0ms694×body640valid
89.0ms410×body320valid
18.0ms193×body160valid