Details

Time bar (total: 9.6s)

sample25.0ms

Algorithm
intervals
Results
5.0ms192×body80valid
4.0ms32×body1280valid
3.0ms256×pre80true
2.0ms17×body640valid
1.0msbody320valid
0.0msbody160valid

simplify80.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

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: 14.8b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.5b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite223.0ms

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))
172.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series112.0ms

Counts
2 → 6
Calls
2 calls:
50.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
62.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify38.0ms

Counts
106 → 106
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0335555
11087529
25002525
done5002525

prune215.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 14.1b

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))
2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite817.0ms

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:
517.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
34.0ms
(/ alpha (+ (+ alpha beta) 2.0))
33.0ms
(/ beta (+ (+ alpha beta) 2.0))
206.0ms
(- (/ 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))
49.0ms
(/ alpha (+ (+ alpha beta) 2.0))
46.0ms
(/ beta (+ (+ alpha beta) 2.0))
80.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify128.0ms

Counts
425 → 425
Iterations

Useful iterations: 2 (71.0ms)

IterNodesCost
09778429
131436259
250026131
done50026131

prune780.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.4b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
2.5b
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

rewrite608.0ms

Algorithm
rewrite-expression-head
Rules
874×*-un-lft-identity
576×prod-diff
470×add-sqr-sqrt
456×unpow-prod-down cube-prod
443×times-frac
424×add-cube-cbrt
264×distribute-lft-out
72×sqr-pow
62×cube-mult unpow3
58×associate-/r/
48×fma-neg
29×flip3-+ flip-+ div-inv
24×difference-of-squares
add-exp-log add-cbrt-cube
add-log-exp
pow1 associate-/r* distribute-lft-out--
expm1-log1p-u log1p-expm1-u
pow-unpow associate-/l*
cbrt-undiv div-exp pow-exp rem-cube-cbrt
difference-cubes cube-div pow-to-exp sub-neg flip3-- pow-pow frac-2neg diff-log clear-num flip-- fma-udef
Counts
4 → 781
Calls
4 calls:
0.0ms
(fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
33.0ms
(/ beta (+ (+ alpha beta) 2.0))
38.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
471.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

series295.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
52.0ms
(/ beta (+ (+ alpha beta) 2.0))
70.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
121.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

simplify246.0ms

Counts
793 → 793
Iterations

Useful iterations: 2 (125.0ms)

IterNodesCost
0116412586
140588872
250018727
done50018727

prune665.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.4b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
0.1b
(pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3)
0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 6)
2.5b
(- (pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3) (pow (pow 1.0 3) 3))

rewrite1.7s

Algorithm
rewrite-expression-head
Rules
4978×unpow-prod-down
4957×cube-prod
4002×*-un-lft-identity
3060×prod-diff
2243×add-sqr-sqrt
2005×times-frac
1995×add-cube-cbrt
1179×distribute-lft-out
476×sqr-pow
403×cube-mult unpow3
262×associate-/r/
140×difference-of-squares
131×flip3-+ flip-+ div-inv
102×fma-neg
21×distribute-lft-out--
14×add-exp-log
10×pow-exp
pow-unpow
add-cbrt-cube
pow1 add-log-exp
expm1-log1p-u pow-to-exp log1p-expm1-u
cube-div pow-pow div-exp rem-cube-cbrt
difference-cubes cbrt-undiv sub-neg flip3-- diff-log flip--
Counts
4 → 3559
Calls
4 calls:
37.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
76.0ms
(pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3)
38.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 6)
1.1s
(- (pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3) (pow (pow 1.0 3) 3))

series431.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
133.0ms
(pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3)
99.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 6)
122.0ms
(- (pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3) (pow (pow 1.0 3) 3))

simplify849.0ms

Counts
3571 → 3571
Iterations

Useful iterations: 1 (36.0ms)

IterNodesCost
0202282464
1500261259
done500261259

prune1.3s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.4b

regimes170.0ms

Accuracy

97.5% (0.3b remaining)

Error of 3.4b against oracle of 3.1b and baseline of 15.2b

bsearch2.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03929
13929
done3929

end0.0ms

sample615.0ms

Algorithm
intervals
Results
141.0ms5909×body80valid
94.0ms8000×pre80true
89.0ms775×body1280valid
67.0ms713×body640valid
27.0ms399×body320valid
10.0ms204×body160valid