Details

Time bar (total: 4.3s)

sample23.0ms

Algorithm
intervals
Results
4.0ms194×body80valid
3.0ms256×pre80true
3.0ms25×body1280valid
2.0ms22×body640valid
1.0ms10×body320valid
0.0msbody160valid

simplify71.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0206
1346
2526
3736
41236
51726
62246
72616
83236
94116
105326
116126
126546
136976
149226
159806
1610076
1710276
1810356
1910356
done10356

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.7b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.6b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite201.0ms

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-exp-log add-cbrt-cube add-log-exp
pow1 flip3-+ div-sub associate-/r/ flip-+ associate-/l/
cbrt-undiv +-commutative associate-+l- flip3-- frac-2neg div-exp clear-num sum-log flip-- div-inv
Counts
2 → 65
Calls
2 calls:
45.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
153.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series112.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
64.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify38.0ms

Counts
71 → 71
Iterations

Useful iterations: 2 (27.0ms)

IterNodesCost
0320535
11022510
25001502
done5001502

prune143.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 14.0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
1.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite645.0ms

Algorithm
rewrite-expression-head
Rules
71×*-un-lft-identity
34×add-sqr-sqrt
32×times-frac
24×add-cube-cbrt distribute-lft-out
11×add-log-exp
10×associate-/r*
add-exp-log add-cbrt-cube
associate-/l*
pow1 diff-log associate-/r/ distribute-lft-out-- difference-of-squares
sub-neg flip3-- flip--
cbrt-undiv frac-2neg flip3-+ div-exp clear-num frac-sub flip-+ div-inv associate--r+
associate--r-
Counts
4 → 111
Calls
4 calls:
396.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
34.0ms
(/ alpha (+ (+ alpha beta) 2.0))
34.0ms
(/ beta (+ (+ alpha beta) 2.0))
175.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series243.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
52.0ms
(/ alpha (+ (+ alpha beta) 2.0))
47.0ms
(/ beta (+ (+ alpha beta) 2.0))
77.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify44.0ms

Counts
123 → 123
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
0450903
11596871
25002859
done5002859

prune272.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.7b

localize16.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.7b
(cbrt (+ (+ alpha beta) 2.0))
1.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite226.0ms

Algorithm
rewrite-expression-head
Rules
24×*-un-lft-identity
15×cbrt-prod
12×add-sqr-sqrt
distribute-lft-out
add-cube-cbrt
cbrt-div add-log-exp
pow1 add-exp-log add-cbrt-cube
flip3-+ pow1/3 flip-+
difference-of-squares
sub-neg flip3-- times-frac diff-log flip-- distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
17.0ms
(cbrt (+ (+ alpha beta) 2.0))
16.0ms
(cbrt (+ (+ alpha beta) 2.0))
16.0ms
(cbrt (+ (+ alpha beta) 2.0))
176.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series377.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
99.0ms
(cbrt (+ (+ alpha beta) 2.0))
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify66.0ms

Counts
72 → 72
Iterations

Useful iterations: 3 (60.0ms)

IterNodesCost
0278567
1708537
22658521
35001512
done5001512

prune268.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.7b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (+ (+ alpha beta) 2.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.1b
(* alpha (/ 1 (+ (+ alpha beta) 2.0)))
4.1b
(- (* alpha (/ 1 (+ (+ alpha beta) 2.0))) 1.0)

rewrite184.0ms

Algorithm
rewrite-expression-head
Rules
90×*-un-lft-identity
47×times-frac
41×add-sqr-sqrt
34×add-cube-cbrt
33×distribute-lft-out
21×associate-*r*
19×add-exp-log
13×add-cbrt-cube
10×associate-/r*
pow1
associate-/r/ associate-/l* add-log-exp
div-exp
prod-exp
cbrt-undiv flip3-+ associate-*l* flip-+ div-inv unswap-sqr
rec-exp frac-2neg 1-exp clear-num cbrt-unprod
sub-neg flip3-- pow-flip diff-log associate-*r/ pow-prod-down un-div-inv *-commutative flip-- inv-pow
Counts
4 → 134
Calls
4 calls:
35.0ms
(/ 1 (+ (+ alpha beta) 2.0))
35.0ms
(/ beta (+ (+ alpha beta) 2.0))
77.0ms
(* alpha (/ 1 (+ (+ alpha beta) 2.0)))
31.0ms
(- (* alpha (/ 1 (+ (+ alpha beta) 2.0))) 1.0)

series217.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(/ 1 (+ (+ alpha beta) 2.0))
46.0ms
(/ beta (+ (+ alpha beta) 2.0))
51.0ms
(* alpha (/ 1 (+ (+ alpha beta) 2.0)))
79.0ms
(- (* alpha (/ 1 (+ (+ alpha beta) 2.0))) 1.0)

simplify50.0ms

Counts
146 → 146
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0436818
11801737
25002682
done5002682

prune249.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 2.7b

regimes107.0ms

Accuracy

77.2% (2.9b remaining)

Error of 6.0b against oracle of 3.1b and baseline of 15.7b

bsearch65.0ms

Steps
ItersRangePoint
9
388973939020430.44
2.0000525779394545e+23
6665734284871154.0

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05948
15948
done5948

end0.0ms

sample615.0ms

Algorithm
intervals
Results
139.0ms5835×body80valid
104.0ms868×body1280valid
84.0ms8000×pre80true
63.0ms721×body640valid
27.0ms374×body320valid
9.0ms202×body160valid