Details

Time bar (total: 13.4s)

sample44.0ms

Algorithm
intervals
Results
12.0ms183×body80valid
5.0ms27×body1280valid
4.0ms256×pre80true
3.0ms23×body640valid
1.0ms12×body160valid
1.0ms11×body320valid

simplify2.1s

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

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.7b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha 2.0) beta))
2.2b
(+ (/ (- beta alpha) (+ (+ alpha 2.0) beta)) 1.0)

rewrite182.0ms

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:
38.0ms
(/ (- beta alpha) (+ (+ alpha 2.0) beta))
142.0ms
(+ (/ (- beta alpha) (+ (+ alpha 2.0) beta)) 1.0)

series172.0ms

Counts
2 → 6
Calls
2 calls:
85.0ms
(/ (- beta alpha) (+ (+ alpha 2.0) beta))
86.0ms
(+ (/ (- beta alpha) (+ (+ alpha 2.0) beta)) 1.0)

simplify631.0ms

Counts
71 → 71
Iterations
IterNodes
done5002
21315
1326
0123

prune309.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 16.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ beta (+ (+ alpha 2.0) beta)) (- (/ alpha (+ beta (+ alpha 2.0))) 1.0))
0.0b
(/ beta (+ (+ alpha 2.0) beta))
0.0b
(/ alpha (+ beta (+ alpha 2.0)))
2.2b
(- (/ alpha (+ beta (+ alpha 2.0))) 1.0)

rewrite788.0ms

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-cbrt-cube add-exp-log
associate-/l*
pow1 diff-log associate-/r/ distribute-lft-out-- difference-of-squares
sub-neg flip3-- flip--
cbrt-undiv clear-num frac-2neg flip3-+ div-exp frac-sub flip-+ div-inv associate--r+
associate--r-
Counts
4 → 111
Calls
4 calls:
535.0ms
(- (/ beta (+ (+ alpha 2.0) beta)) (- (/ alpha (+ beta (+ alpha 2.0))) 1.0))
35.0ms
(/ beta (+ (+ alpha 2.0) beta))
27.0ms
(/ alpha (+ beta (+ alpha 2.0)))
187.0ms
(- (/ alpha (+ beta (+ alpha 2.0))) 1.0)

series325.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(- (/ beta (+ (+ alpha 2.0) beta)) (- (/ alpha (+ beta (+ alpha 2.0))) 1.0))
55.0ms
(/ beta (+ (+ alpha 2.0) beta))
58.0ms
(/ alpha (+ beta (+ alpha 2.0)))
118.0ms
(- (/ alpha (+ beta (+ alpha 2.0))) 1.0)

simplify1.1s

Counts
123 → 123
Iterations
IterNodes
done5002
22206
1501
0205

prune667.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.7b

localize35.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha 2.0) beta))
0.0b
(/ alpha (+ beta (+ alpha 2.0)))
2.2b
(log (exp (- (/ alpha (+ beta (+ alpha 2.0))) 1.0)))
2.2b
(- (/ alpha (+ beta (+ alpha 2.0))) 1.0)

rewrite643.0ms

Algorithm
rewrite-expression-head
Rules
70×*-un-lft-identity
36×add-sqr-sqrt
32×times-frac
26×add-cube-cbrt
24×distribute-lft-out
10×associate-/r*
add-cbrt-cube add-exp-log
log-pow
exp-prod associate-/l* add-log-exp
pow1 log-prod
associate-/r/ difference-of-squares
cbrt-undiv clear-num sub-neg frac-2neg flip3-+ div-exp exp-sum flip-+ div-inv distribute-lft-out--
log-div flip3-- exp-diff diff-log rem-log-exp flip--
Counts
4 → 110
Calls
4 calls:
32.0ms
(/ beta (+ (+ alpha 2.0) beta))
40.0ms
(/ alpha (+ beta (+ alpha 2.0)))
397.0ms
(log (exp (- (/ alpha (+ beta (+ alpha 2.0))) 1.0)))
167.0ms
(- (/ alpha (+ beta (+ alpha 2.0))) 1.0)

series384.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(/ beta (+ (+ alpha 2.0) beta))
75.0ms
(/ alpha (+ beta (+ alpha 2.0)))
109.0ms
(log (exp (- (/ alpha (+ beta (+ alpha 2.0))) 1.0)))
130.0ms
(- (/ alpha (+ beta (+ alpha 2.0))) 1.0)

simplify746.0ms

Counts
122 → 122
Iterations
IterNodes
done5000
21781
1436
0194

prune613.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.7b

localize79.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (+ 2.0 (+ alpha beta)))
0.7b
(cbrt (+ 2.0 (+ alpha beta)))
2.2b
(log (exp (- (/ alpha (+ beta (+ alpha 2.0))) 1.0)))
2.2b
(- (/ alpha (+ beta (+ alpha 2.0))) 1.0)

rewrite544.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
18×add-sqr-sqrt
10×cbrt-prod
add-cube-cbrt
log-pow
exp-prod distribute-lft-out add-log-exp
pow1 log-prod
cbrt-div add-cbrt-cube add-exp-log difference-of-squares
sub-neg flip3-+ times-frac pow1/3 exp-sum flip-+ distribute-lft-out--
log-div flip3-- exp-diff diff-log rem-log-exp flip--
Counts
4 → 66
Calls
4 calls:
11.0ms
(cbrt (+ 2.0 (+ alpha beta)))
10.0ms
(cbrt (+ 2.0 (+ alpha beta)))
358.0ms
(log (exp (- (/ alpha (+ beta (+ alpha 2.0))) 1.0)))
160.0ms
(- (/ alpha (+ beta (+ alpha 2.0))) 1.0)

series456.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(cbrt (+ 2.0 (+ alpha beta)))
109.0ms
(cbrt (+ 2.0 (+ alpha beta)))
128.0ms
(log (exp (- (/ alpha (+ beta (+ alpha 2.0))) 1.0)))
99.0ms
(- (/ alpha (+ beta (+ alpha 2.0))) 1.0)

simplify690.0ms

Counts
78 → 78
Iterations
IterNodes
done5000
21061
1344
0152

prune617.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.7b

regimes258.0ms

Accuracy

76.4% (3.0b remaining)

Error of 6.3b against oracle of 3.4b and baseline of 15.9b

bsearch95.0ms

Steps
ItersRangePoint
9
390.6412587448322
77665801.66036974
76510312.31317446

simplify9.0ms

Iterations
IterNodes
done45
245
144
040

end0.0ms

sample1.9s

Algorithm
intervals
Results
785.0ms5808×body80valid
300.0ms849×body1280valid
235.0ms8000×pre80true
139.0ms733×body640valid
56.0ms379×body320valid
46.0ms231×body160valid