Details

Time bar (total: 5.9s)

sample24.0ms

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

simplify75.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0206
1346
2526
3736
41236
51846
62506
72876
83496
94376
105746
116546
127126
137856
1410756
1511506
1611936
1712136
1812216
1912216
done12216

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)

rewrite225.0ms

Algorithm
rewrite-expression-head
Rules
104×*-un-lft-identity
50×times-frac
47×add-sqr-sqrt
34×distribute-lft-out
31×fma-def
25×add-cube-cbrt
11×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log associate-/r/ add-cbrt-cube add-log-exp
flip3-+ flip-+
pow1 expm1-log1p-u div-sub log1p-expm1-u div-inv associate-/l/
cbrt-undiv +-commutative associate-+l- flip3-- frac-2neg div-exp clear-num sum-log flip--
Counts
2 → 100
Calls
2 calls:
47.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
173.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series112.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
61.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify35.0ms

Counts
106 → 106
Iterations

Useful iterations: 2 (28.0ms)

IterNodesCost
0335555
11087529
25002525
done5002525

prune215.0ms

Pruning

9 alts after pruning (9 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)

rewrite990.0ms

Algorithm
rewrite-expression-head
Rules
512×*-un-lft-identity
328×add-sqr-sqrt
263×times-frac
252×prod-diff
213×add-cube-cbrt
150×distribute-lft-out
65×associate--r+
46×difference-of-squares
42×fma-neg
32×associate-/r/
25×distribute-lft-out--
16×flip3-+ flip-+ div-inv
11×add-log-exp
10×associate-/r*
add-exp-log add-cbrt-cube
associate-/l*
pow1 expm1-log1p-u diff-log log1p-expm1-u
sub-neg flip3-- flip--
cbrt-undiv frac-2neg div-exp clear-num frac-sub
associate--r-
Counts
4 → 413
Calls
4 calls:
679.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
35.0ms
(/ alpha (+ (+ alpha beta) 2.0))
35.0ms
(/ beta (+ (+ alpha beta) 2.0))
212.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series238.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
48.0ms
(/ alpha (+ (+ alpha beta) 2.0))
46.0ms
(/ beta (+ (+ alpha beta) 2.0))
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify121.0ms

Counts
425 → 425
Iterations

Useful iterations: 2 (68.0ms)

IterNodesCost
09778429
131436259
250026131
done50026131

prune742.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.7b

localize17.0ms

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)

rewrite270.0ms

Algorithm
rewrite-expression-head
Rules
141×*-un-lft-identity
69×add-sqr-sqrt
64×add-cube-cbrt
63×prod-diff
61×times-frac
45×distribute-lft-out
21×fma-neg
15×cbrt-prod
associate-/r/
flip3-+ flip-+
cbrt-div add-log-exp
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u div-inv
pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 152
Calls
4 calls:
16.0ms
(cbrt (+ (+ alpha beta) 2.0))
16.0ms
(cbrt (+ (+ alpha beta) 2.0))
17.0ms
(cbrt (+ (+ alpha beta) 2.0))
213.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series392.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(cbrt (+ (+ alpha beta) 2.0))
103.0ms
(cbrt (+ (+ alpha beta) 2.0))
103.0ms
(cbrt (+ (+ alpha beta) 2.0))
82.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify51.0ms

Counts
164 → 164
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
04601755
113021290
250011240
done50011240

prune429.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 2.7b

localize24.0ms

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
(fma (/ (* (cbrt alpha) (cbrt alpha)) (* (cbrt (+ (+ alpha beta) 2.0)) (cbrt (+ (+ alpha beta) 2.0)))) (/ (cbrt alpha) (cbrt (+ (+ alpha beta) 2.0))) (- 1.0))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
15×cbrt-prod
distribute-lft-out
add-sqr-sqrt add-cube-cbrt
cbrt-div
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
flip3-+ pow1/3 flip-+
fma-udef
Counts
4 → 61
Calls
4 calls:
18.0ms
(cbrt (+ (+ alpha beta) 2.0))
15.0ms
(cbrt (+ (+ alpha beta) 2.0))
15.0ms
(cbrt (+ (+ alpha beta) 2.0))
0.0ms
(fma (/ (* (cbrt alpha) (cbrt alpha)) (* (cbrt (+ (+ alpha beta) 2.0)) (cbrt (+ (+ alpha beta) 2.0)))) (/ (cbrt alpha) (cbrt (+ (+ alpha beta) 2.0))) (- 1.0))

series659.0ms

Counts
4 → 12
Calls
4 calls:
101.0ms
(cbrt (+ (+ alpha beta) 2.0))
101.0ms
(cbrt (+ (+ alpha beta) 2.0))
102.0ms
(cbrt (+ (+ alpha beta) 2.0))
354.0ms
(fma (/ (* (cbrt alpha) (cbrt alpha)) (* (cbrt (+ (+ alpha beta) 2.0)) (cbrt (+ (+ alpha beta) 2.0)))) (/ (cbrt alpha) (cbrt (+ (+ alpha beta) 2.0))) (- 1.0))

simplify101.0ms

Counts
73 → 73
Iterations

Useful iterations: 3 (93.0ms)

IterNodesCost
0332749
1965663
24121636
35001608
done5001608

prune364.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.7b

regimes112.0ms

Accuracy

77.4% (2.9b remaining)

Error of 6.0b against oracle of 3.1b and baseline of 15.8b

bsearch58.0ms

Steps
ItersRangePoint
9
388973939020430.44
2.0000525779394545e+23
6665734284871154.0

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04337
14337
done4337

end0.0ms

sample617.0ms

Algorithm
intervals
Results
135.0ms5835×body80valid
99.0ms868×body1280valid
85.0ms8000×pre80true
67.0ms721×body640valid
27.0ms374×body320valid
9.0ms202×body160valid