Details

Time bar (total: 8.7s)

sample23.0ms

Algorithm
intervals
Results
4.0ms189×body80valid
3.0ms28×body1280valid
3.0ms256×pre80true
2.0ms20×body640valid
1.0ms13×body320valid
0.0msbody160valid

simplify364.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01013
12013
23413
35213
47313
511813
614913
717713
820813
924613
1027413
1128513
1229713
1330113
done30113

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.4b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.5b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite190.0ms

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:
43.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
144.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series113.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
66.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.1s

Counts
71 → 71
Iterations

Useful iterations: 3 (501.0ms)

IterNodesCost
01241134
13201074
28861014
328321006
done50001006

prune155.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 14.8b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
1.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite237.0ms

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-exp-log add-cbrt-cube
associate-/l*
add-log-exp
associate-/r/
pow1
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
3 → 89
Calls
3 calls:
33.0ms
(/ alpha (+ (+ alpha beta) 2.0))
33.0ms
(/ beta (+ (+ alpha beta) 2.0))
168.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series180.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(/ alpha (+ (+ alpha beta) 2.0))
47.0ms
(/ beta (+ (+ alpha beta) 2.0))
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify965.0ms

Counts
98 → 98
Iterations

Useful iterations: 3 (400.0ms)

IterNodesCost
01531237
13261164
27751090
320631082
done50001082

prune237.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.9b

localize13.0ms

Local error

Found 4 expressions with local error:

1.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
7.5b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.5b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.5b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite440.0ms

Algorithm
rewrite-expression-head
Rules
78×*-un-lft-identity
63×cbrt-prod
46×times-frac
36×add-sqr-sqrt
31×add-cube-cbrt
27×distribute-lft-out
associate-/r/ add-log-exp
pow1 add-exp-log add-cbrt-cube
cbrt-div flip3-+ pow1/3 flip-+ div-inv
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 105
Calls
4 calls:
167.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
234.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
17.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
17.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

series507.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
141.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
146.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
141.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify989.0ms

Counts
117 → 117
Iterations

Useful iterations: done (985.0ms)

IterNodesCost
01611985
13341895
27841760
320651731
done50011695

prune327.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 2.9b

localize17.0ms

Local error

Found 4 expressions with local error:

7.5b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.5b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.5b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
9.6b
(log (exp (cbrt (/ beta (+ (+ alpha beta) 2.0)))))

rewrite132.0ms

Algorithm
rewrite-expression-head
Rules
102×*-un-lft-identity
84×cbrt-prod
60×times-frac
42×add-sqr-sqrt add-cube-cbrt
36×distribute-lft-out
25×log-pow
24×exp-prod
associate-/r/
pow1
add-exp-log flip3-+ add-cbrt-cube flip-+ div-inv add-log-exp
cbrt-div log-prod pow1/3
rem-log-exp
Counts
4 → 126
Calls
4 calls:
19.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
17.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
17.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
74.0ms
(log (exp (cbrt (/ beta (+ (+ alpha beta) 2.0)))))

series577.0ms

Counts
4 → 12
Calls
4 calls:
147.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
142.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
145.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
143.0ms
(log (exp (cbrt (/ beta (+ (+ alpha beta) 2.0)))))

simplify952.0ms

Counts
138 → 138
Iterations

Useful iterations: done (947.0ms)

IterNodesCost
01632228
12772041
25921892
315171866
done50001818

prune435.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 2.9b

regimes81.0ms

Accuracy

74.6% (3.3b remaining)

Error of 6.4b against oracle of 3.1b and baseline of 16.1b

bsearch33.0ms

Steps
ItersRangePoint
6
9.393778871846807e+23
5.890861695143504e+24
2.494813499756589e+24

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03171
13571
done3571

end0.0ms

sample608.0ms

Algorithm
intervals
Results
141.0ms5829×body80valid
99.0ms868×body1280valid
88.0ms8000×pre80true
62.0ms707×body640valid
25.0ms378×body320valid
12.0ms218×body160valid