Details

Time bar (total: 15.6s)

sample37.0ms

Algorithm
intervals
Results
8.0ms44×body1280valid
7.0ms182×body80valid
4.0ms256×pre80true
2.0ms15×body640valid
1.0ms11×body320valid
0.0msbody160valid

simplify631.0ms

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

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.2b

localize22.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
0.7b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite280.0ms

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:
62.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
215.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series139.0ms

Counts
2 → 6
Calls
2 calls:
59.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
80.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.7s

Counts
71 → 71
Iterations

Useful iterations: 3 (772.0ms)

IterNodesCost
01241134
13201074
28861014
328321006
done50001006

prune212.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 16.8b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.7b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite1.9s

Algorithm
rewrite-expression-head
Rules
98×*-un-lft-identity
61×add-sqr-sqrt
56×times-frac
36×add-cube-cbrt
24×distribute-lft-out
13×associate-/r* associate-/l* distribute-lft-out--
10×add-exp-log add-cbrt-cube difference-of-squares
add-log-exp
pow1 associate-/r/ associate-/l/
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- div-inv
flip3-+ frac-sub flip-+
sub-neg diff-log div-sub
Counts
4 → 137
Calls
4 calls:
1.5s
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
67.0ms
(/ beta (+ (+ alpha beta) 2.0))
68.0ms
(/ alpha (+ (+ alpha beta) 2.0))
264.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series348.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
49.0ms
(/ beta (+ (+ alpha beta) 2.0))
85.0ms
(/ alpha (+ (+ alpha beta) 2.0))
124.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.3s

Counts
149 → 149
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02382750
15422646
214802490
done50002474

prune523.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 1.3b

localize45.0ms

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

rewrite294.0ms

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:
27.0ms
(cbrt (+ (+ alpha beta) 2.0))
17.0ms
(cbrt (+ (+ alpha beta) 2.0))
17.0ms
(cbrt (+ (+ alpha beta) 2.0))
230.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series529.0ms

Counts
4 → 12
Calls
4 calls:
134.0ms
(cbrt (+ (+ alpha beta) 2.0))
153.0ms
(cbrt (+ (+ alpha beta) 2.0))
119.0ms
(cbrt (+ (+ alpha beta) 2.0))
123.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.6s

Counts
72 → 72
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01201076
12821043
2675977
31727888
done5001863

prune444.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 1.3b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.4b
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
0.7b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
11.3b
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
89×*-un-lft-identity
72×add-sqr-sqrt
64×times-frac
50×log-prod
37×add-cube-cbrt
25×exp-sum
19×distribute-lft-out--
14×difference-of-squares
12×distribute-lft-out
add-exp-log
pow1 add-cbrt-cube add-log-exp
associate-/r*
exp-prod
div-inv associate-/l*
log-div div-exp rem-log-exp associate-/r/ log-pow
cbrt-undiv sub-neg flip3-- frac-2neg flip3-+ exp-diff diff-log clear-num flip-- flip-+ rem-exp-log
Counts
4 → 126
Calls
4 calls:
36.0ms
(/ alpha (+ (+ alpha beta) 2.0))
440.0ms
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
244.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
405.0ms
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

series529.0ms

Counts
4 → 12
Calls
4 calls:
65.0ms
(/ alpha (+ (+ alpha beta) 2.0))
124.0ms
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
113.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
227.0ms
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

simplify2.0s

Counts
138 → 138
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02663444
15353231
211673038
329282924
done50002920

prune374.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 1.3b

regimes93.0ms

Accuracy

72.8% (3.7b remaining)

Error of 6.8b against oracle of 3.1b and baseline of 16.7b

bsearch93.0ms

Steps
ItersRangePoint
10
925325.9807075356
3.4641089617611155e+20
5062494549189153.0

simplify8.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04078
14478
done4478

end0.0ms

sample1.4s

Algorithm
intervals
Results
400.0ms5818×body80valid
242.0ms869×body1280valid
193.0ms731×body640valid
183.0ms8000×pre80true
49.0ms378×body320valid
18.0ms204×body160valid