Details

Time bar (total: 5.6s)

sample24.0ms

Algorithm
intervals
Results
5.0ms188×body80valid
3.0ms256×pre80true
3.0ms26×body1280valid
3.0ms28×body640valid
1.0ms12×body320valid
0.0msbody160valid

simplify77.0ms

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

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.3b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
0.9b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite127.0ms

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:
26.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
97.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series104.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
57.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify36.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0335555
11087529
25002525

prune211.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 15.6b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite475.0ms

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:
17.0ms
(/ beta (+ (+ alpha beta) 2.0))
297.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
17.0ms
(/ alpha (+ (+ alpha beta) 2.0))
116.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series234.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(/ beta (+ (+ alpha beta) 2.0))
57.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
48.0ms
(/ alpha (+ (+ alpha beta) 2.0))
80.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify136.0ms

Algorithm
egg-herbie
Counts
425 → 425
Iterations

Useful iterations: 2 (69.0ms)

IterNodesCost
09778429
131436259
250026131

prune731.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.8b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.9b
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
0.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite575.0ms

Algorithm
rewrite-expression-head
Rules
346×*-un-lft-identity
189×prod-diff
185×add-sqr-sqrt
170×add-cube-cbrt
168×times-frac
130×exp-sum
102×distribute-lft-out
68×log-prod
22×associate-/r/
21×fma-neg
12×exp-prod
11×flip3-+ flip-+ div-inv
add-log-exp
log-pow
add-exp-log add-cbrt-cube difference-of-squares
pow1 associate-/r*
expm1-log1p-u log1p-expm1-u
sub-neg associate-/l* distribute-lft-out--
exp-diff diff-log rem-exp-log
cbrt-undiv log-div flip3-- frac-2neg div-exp rem-log-exp clear-num flip--
Counts
4 → 309
Calls
4 calls:
197.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
17.0ms
(/ alpha (+ (+ alpha beta) 2.0))
220.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
115.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series266.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
47.0ms
(/ alpha (+ (+ alpha beta) 2.0))
73.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
77.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify78.0ms

Algorithm
egg-herbie
Counts
321 → 321
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
05884260
117433041
250022399

prune456.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.8b

localize20.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
0.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite262.0ms

Algorithm
rewrite-expression-head
Rules
254×*-un-lft-identity
130×add-sqr-sqrt
126×prod-diff
122×times-frac
120×add-cube-cbrt
78×distribute-lft-out
42×fma-neg
16×associate-/r/
10×cbrt-prod flip3-+ flip-+
div-inv add-log-exp
pow1 add-exp-log expm1-log1p-u cbrt-div add-cbrt-cube log1p-expm1-u difference-of-squares
sub-neg flip3-- pow1/3 diff-log flip-- distribute-lft-out--
Counts
4 → 236
Calls
4 calls:
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
114.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
117.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series363.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(cbrt (+ (+ alpha beta) 2.0))
101.0ms
(cbrt (+ (+ alpha beta) 2.0))
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
85.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify64.0ms

Algorithm
egg-herbie
Counts
248 → 248
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
04602922
113022024
250011948

prune573.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.8b

regimes88.0ms

Accuracy

74.4% (3.4b remaining)

Error of 6.4b against oracle of 3.0b and baseline of 16.3b

bsearch51.0ms

Steps
ItersRangePoint
8
1.4366889122671085e+27
3.2593449619462425e+30
4.836259073578557e+29

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04029
14029

end0.0ms

sample608.0ms

Algorithm
intervals
Results
151.0ms5765×body80valid
103.0ms855×body1280valid
97.0ms8000×pre80true
75.0ms733×body640valid
32.0ms436×body320valid
10.0ms211×body160valid