Details

Time bar (total: 9.6s)

sample29.0ms

Algorithm
intervals
Results
6.0ms190×body80valid
4.0ms24×body1280valid
4.0ms256×pre80true
4.0ms28×body640valid
1.0msbody320valid
0.0msbody160valid

simplify79.0ms

Algorithm
egg-herbie
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

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.4b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.4b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite216.0ms

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:
45.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
166.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series98.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
53.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify39.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0335555
11087529
25002525

prune369.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 14.8b

localize10.0ms

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))
1.4b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite1.4s

Algorithm
rewrite-expression-head
Rules
215×*-un-lft-identity
118×add-sqr-sqrt
116×times-frac
93×add-cube-cbrt
63×prod-diff
60×distribute-lft-out
21×fma-neg
13×associate-/r* associate-/l* distribute-lft-out--
12×associate-/r/
10×add-exp-log add-cbrt-cube difference-of-squares
div-inv
flip3-+ flip-+ add-log-exp
pow1 expm1-log1p-u log1p-expm1-u associate-/l/
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip--
frac-sub
sub-neg diff-log div-sub
Counts
4 → 229
Calls
4 calls:
1.1s
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
33.0ms
(/ beta (+ (+ alpha beta) 2.0))
33.0ms
(/ alpha (+ (+ alpha beta) 2.0))
201.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series217.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
46.0ms
(/ beta (+ (+ alpha beta) 2.0))
41.0ms
(/ alpha (+ (+ alpha beta) 2.0))
72.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify88.0ms

Algorithm
egg-herbie
Counts
241 → 241
Iterations

Useful iterations: 2 (58.0ms)

IterNodesCost
07142537
125332035
250012004

prune874.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.9b

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))
1.4b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite254.0ms

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:
15.0ms
(cbrt (+ (+ alpha beta) 2.0))
15.0ms
(cbrt (+ (+ alpha beta) 2.0))
15.0ms
(cbrt (+ (+ alpha beta) 2.0))
202.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series348.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(cbrt (+ (+ alpha beta) 2.0))
91.0ms
(cbrt (+ (+ alpha beta) 2.0))
92.0ms
(cbrt (+ (+ alpha beta) 2.0))
73.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify53.0ms

Algorithm
egg-herbie
Counts
164 → 164
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
04601755
113021290
250011240

prune1.3s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 2.9b

localize26.0ms

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))
1.4b
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

rewrite564.0ms

Algorithm
rewrite-expression-head
Rules
813×*-un-lft-identity
576×prod-diff
444×add-sqr-sqrt
435×unpow-prod-down cube-prod
398×add-cube-cbrt times-frac
243×distribute-lft-out
71×sqr-pow
61×cube-mult unpow3
52×associate-/r/
48×fma-neg
29×flip3-+ flip-+
26×div-inv
24×difference-of-squares
15×cbrt-prod
cbrt-div add-log-exp
distribute-lft-out--
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
pow1/3
difference-cubes sub-neg flip3-- diff-log flip--
Counts
4 → 719
Calls
4 calls:
15.0ms
(cbrt (+ (+ alpha beta) 2.0))
16.0ms
(cbrt (+ (+ alpha beta) 2.0))
15.0ms
(cbrt (+ (+ alpha beta) 2.0))
456.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

series370.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(cbrt (+ (+ alpha beta) 2.0))
90.0ms
(cbrt (+ (+ alpha beta) 2.0))
89.0ms
(cbrt (+ (+ alpha beta) 2.0))
101.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

simplify239.0ms

Algorithm
egg-herbie
Counts
731 → 731
Iterations

Useful iterations: 2 (111.0ms)

IterNodesCost
0107912205
134498551
250028510

prune2.0s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 2.9b

regimes167.0ms

Accuracy

73.6% (3.5b remaining)

Error of 6.6b against oracle of 3.0b and baseline of 16.4b

bsearch91.0ms

Steps
ItersRangePoint
6
3.164613017666376e+27
2.9042202766263138e+28
3.596278001625763e+27

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04847
14847

end0.0ms

sample725.0ms

Algorithm
intervals
Results
186.0ms5856×body80valid
131.0ms833×body1280valid
114.0ms8000×pre80true
92.0ms701×body640valid
37.0ms398×body320valid
13.0ms212×body160valid