Details

Time bar (total: 6.8s)

sample23.0ms

Algorithm
intervals
Results
4.0ms191×body80valid
3.0ms256×pre80true
3.0ms26×body1280valid
2.0ms25×body640valid
1.0msbody320valid
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: 15.2b

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)

rewrite230.0ms

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:
48.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
177.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series94.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
54.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify38.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0335555
11087529
25002525

prune212.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 14.8b

localize9.0ms

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)

rewrite1.5s

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:
1.2s
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
36.0ms
(/ beta (+ (+ alpha beta) 2.0))
35.0ms
(/ alpha (+ (+ alpha beta) 2.0))
219.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series215.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
45.0ms
(/ beta (+ (+ alpha beta) 2.0))
41.0ms
(/ alpha (+ (+ alpha beta) 2.0))
72.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify86.0ms

Algorithm
egg-herbie
Counts
241 → 241
Iterations

Useful iterations: 2 (57.0ms)

IterNodesCost
07142537
125332035
250012004

prune586.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 1.3b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(log1p (expm1 (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
1.4b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite304.0ms

Algorithm
rewrite-expression-head
Rules
183×*-un-lft-identity
91×times-frac
86×add-sqr-sqrt
81×add-cube-cbrt
63×prod-diff
60×distribute-lft-out
21×fma-neg
12×associate-/r/
10×associate-/r*
add-exp-log add-cbrt-cube
flip3-+ flip-+ div-inv associate-/l* add-log-exp
pow1 expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-2neg div-exp clear-num difference-of-squares
sub-neg log1p-udef flip3-- diff-log log1p-expm1 flip-- distribute-lft-out--
Counts
4 → 190
Calls
4 calls:
37.0ms
(/ beta (+ (+ alpha beta) 2.0))
36.0ms
(/ alpha (+ (+ alpha beta) 2.0))
0.0ms
(log1p (expm1 (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
221.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series295.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(/ beta (+ (+ alpha beta) 2.0))
45.0ms
(/ alpha (+ (+ alpha beta) 2.0))
141.0ms
(log1p (expm1 (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
69.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify67.0ms

Algorithm
egg-herbie
Counts
202 → 202
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
05191854
116801381
250011344

prune408.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 1.3b

localize13.0ms

Local error

Found 4 expressions with local error:

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

rewrite1.0s

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:
35.0ms
(/ alpha (+ (+ alpha beta) 2.0))
356.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
213.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
407.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series245.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(/ alpha (+ (+ alpha beta) 2.0))
66.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
72.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
66.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify80.0ms

Algorithm
egg-herbie
Counts
321 → 321
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
05884260
117453041
250012291

prune445.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 1.3b

regimes98.0ms

Accuracy

70.4% (3.7b remaining)

Error of 7.0b against oracle of 3.3b and baseline of 15.9b

bsearch47.0ms

Steps
ItersRangePoint
8
1.883147642109108e+44
5.1383985160358e+46
1.0243503852289514e+45

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03725
13725

end0.0ms

sample611.0ms

Algorithm
intervals
Results
142.0ms5821×body80valid
91.0ms799×body1280valid
90.0ms8000×pre80true
67.0ms756×body640valid
28.0ms421×body320valid
9.0ms203×body160valid