Details

Time bar (total: 8.2s)

sample26.0ms

Algorithm
intervals
Results
5.0ms182×body80valid
4.0ms31×body1280valid
3.0ms256×pre80true
2.0ms24×body640valid
1.0ms13×body320valid
0.0msbody160valid

simplify81.0ms

Algorithm
egg-herbie
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

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 17.3b

Counts
2 → 1

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)

rewrite36.0ms

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:
11.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
21.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series120.0ms

Counts
2 → 6
Calls
2 calls:
53.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
67.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify40.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0335555
11087529
25002525

prune236.0ms

Filtered
106 candidates to 68 candidates (64.2%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New9412106
Fresh000
Picked101
Done000
Total9512107

Merged error: 16.5b

Counts
107 → 12

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

rewrite102.0ms

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:
41.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
7.0ms
(/ alpha (+ (+ alpha beta) 2.0))
7.0ms
(/ beta (+ (+ alpha beta) 2.0))
17.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series254.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
47.0ms
(/ alpha (+ (+ alpha beta) 2.0))
54.0ms
(/ beta (+ (+ alpha beta) 2.0))
86.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify152.0ms

Algorithm
egg-herbie
Counts
425 → 425
Iterations

Useful iterations: 2 (78.0ms)

IterNodesCost
09778429
131436259
250026131

prune819.0ms

Filtered
425 candidates to 199 candidates (46.8%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New41510425
Fresh10111
Picked101
Done000
Total42611437

Merged error: 3.7b

Counts
437 → 11

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0))
0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
0.1b
(/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0)))
1.4b
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

rewrite160.0ms

Algorithm
rewrite-expression-head
Rules
853×*-un-lft-identity
576×prod-diff
466×add-sqr-sqrt
456×unpow-prod-down cube-prod
431×times-frac
418×add-cube-cbrt
255×distribute-lft-out
72×sqr-pow
62×cube-mult unpow3
58×associate-/r/
48×fma-neg
30×flip3-+ flip-+
29×div-inv
24×difference-of-squares
14×add-exp-log add-cbrt-cube
pow1
add-log-exp
associate-*r* distribute-lft-out--
expm1-log1p-u associate-*r/ log1p-expm1-u
cbrt-undiv pow-unpow div-exp associate-*l* associate-/l*
pow-exp prod-exp cbrt-unprod rem-cube-cbrt
difference-cubes cube-div distribute-rgt-in pow-to-exp sub-neg flip3-- pow-pow frac-2neg distribute-lft-in diff-log pow-prod-down clear-num associate-/r* *-commutative flip-- unswap-sqr
Counts
4 → 783
Calls
4 calls:
8.0ms
(* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0))
10.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
9.0ms
(/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0)))
61.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

series798.0ms

Counts
4 → 12
Calls
4 calls:
164.0ms
(* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0))
78.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
433.0ms
(/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0)))
124.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

simplify310.0ms

Algorithm
egg-herbie
Counts
795 → 795
Iterations

Useful iterations: 1 (32.0ms)

IterNodesCost
0124514117
1480010117
2500110117

prune764.0ms

Filtered
795 candidates to 131 candidates (16.5%)
Pruning

5 alts after pruning (5 fresh and 0 done)

PrunedKeptTotal
New7923795
Fresh8210
Picked101
Done000
Total8015806

Merged error: 3.7b

Counts
806 → 5

localize24.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0)))
0.7b
(exp (log (/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0)))))
1.4b
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))
11.6b
(log (/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0))))

rewrite156.0ms

Algorithm
rewrite-expression-head
Rules
802×*-un-lft-identity
576×prod-diff
448×add-sqr-sqrt
435×unpow-prod-down cube-prod
407×times-frac
402×add-cube-cbrt
234×distribute-lft-out
71×sqr-pow
61×cube-mult unpow3
58×associate-/r/
48×fma-neg
29×flip3-+ flip-+ div-inv
24×difference-of-squares
18×log-prod
15×add-exp-log
exp-sum add-cbrt-cube
pow1 associate-*r/ add-log-exp
distribute-lft-out--
expm1-log1p-u exp-prod div-exp log1p-expm1-u
rem-log-exp associate-/l*
cbrt-undiv log-div prod-exp log-pow
difference-cubes sub-neg flip3-- frac-2neg exp-diff diff-log clear-num associate-/r* flip-- cbrt-unprod rem-exp-log
Counts
4 → 740
Calls
4 calls:
9.0ms
(/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0)))
9.0ms
(exp (log (/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0)))))
60.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))
8.0ms
(log (/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0))))

series2.0s

Counts
4 → 12
Calls
4 calls:
440.0ms
(/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0)))
431.0ms
(exp (log (/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0)))))
114.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))
1.0s
(log (/ (fma beta (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (- (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))))) (* (fma (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)) (fma 1.0 1.0 (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) (+ (+ alpha beta) 2.0))))

simplify316.0ms

Algorithm
egg-herbie
Counts
752 → 752
Iterations

Useful iterations: 2 (144.0ms)

IterNodesCost
0122915519
1455311484
2500111482

prune772.0ms

Filtered
752 candidates to 124 candidates (16.5%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New7502752
Fresh134
Picked011
Done000
Total7516757

Merged error: 3.7b

Counts
757 → 6

regimes107.0ms

Accuracy

67.8% (4.1b remaining)

Error of 7.2b against oracle of 3.1b and baseline of 15.7b

bsearch186.0ms

Steps
ItersRangePoint
8
5.172961417222266e+65
1.3104433616643962e+70
5.293664998180793e+65
6
1.5865537497029128e+52
2.265641445575101e+53
1.138060537537574e+53
9
4.643958454173516e+32
3.261941379769491e+39
1.6980902612943045e+38

simplify4.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
06697
17297
27697
37697

end0.0ms

sample632.0ms

Algorithm
intervals
Results
165.0ms5860×body80valid
113.0ms857×body1280valid
97.0ms8000×pre80true
73.0ms694×body640valid
30.0ms384×body320valid
11.0ms205×body160valid