Details

Time bar (total: 4.9s)

sample26.0ms

Algorithm
intervals
Results
5.0ms180×body80valid
4.0ms31×body1280valid
4.0ms256×pre80true
3.0ms25×body640valid
1.0ms15×body320valid
0.0msbody160valid

simplify77.0ms

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

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.8b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.3b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite139.0ms

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:
27.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
107.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series106.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
60.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify38.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0335555
11087529
25002525

prune215.0ms

Filtered
106 candidates to 68 candidates (64.2%)
Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 16.9b

localize10.0ms

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))
2.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite542.0ms

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:
336.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
20.0ms
(/ alpha (+ (+ alpha beta) 2.0))
20.0ms
(/ beta (+ (+ alpha beta) 2.0))
134.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series233.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
48.0ms
(/ alpha (+ (+ alpha beta) 2.0))
45.0ms
(/ beta (+ (+ alpha beta) 2.0))
80.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify132.0ms

Algorithm
egg-herbie
Counts
425 → 425
Iterations

Useful iterations: 2 (70.0ms)

IterNodesCost
09778429
131436259
250026131

prune742.0ms

Filtered
425 candidates to 199 candidates (46.8%)
Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 3.1b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(fma beta (/ 1 (+ (+ alpha beta) 2.0)) (- (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
2.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite184.0ms

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×add-exp-log associate-/r*
add-cbrt-cube
flip3-+ flip-+ div-inv associate-/l* add-log-exp
pow1
expm1-log1p-u log1p-expm1-u
div-exp
cbrt-undiv frac-2neg clear-num difference-of-squares
sub-neg rec-exp flip3-- pow-flip diff-log 1-exp flip-- fma-udef distribute-lft-out-- inv-pow
Counts
4 → 193
Calls
4 calls:
21.0ms
(/ 1 (+ (+ alpha beta) 2.0))
21.0ms
(/ alpha (+ (+ alpha beta) 2.0))
0.0ms
(fma beta (/ 1 (+ (+ alpha beta) 2.0)) (- (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
132.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series223.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(/ 1 (+ (+ alpha beta) 2.0))
44.0ms
(/ alpha (+ (+ alpha beta) 2.0))
62.0ms
(fma beta (/ 1 (+ (+ alpha beta) 2.0)) (- (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
77.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify65.0ms

Algorithm
egg-herbie
Counts
205 → 205
Iterations

Useful iterations: 2 (46.0ms)

IterNodesCost
05281911
118121414
250031356

prune356.0ms

Filtered
205 candidates to 103 candidates (50.2%)
Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 3.1b

localize15.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt beta)
0.6b
(cbrt beta)
0.6b
(cbrt beta)
2.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
126×*-un-lft-identity
69×add-sqr-sqrt
64×add-cube-cbrt
63×prod-diff
61×times-frac
36×distribute-lft-out
21×fma-neg
cbrt-prod
associate-/r/
add-log-exp
pow1 add-exp-log expm1-log1p-u flip3-+ add-cbrt-cube flip-+ log1p-expm1-u div-inv
pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 140
Calls
4 calls:
1.0ms
(cbrt beta)
1.0ms
(cbrt beta)
1.0ms
(cbrt beta)
133.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series614.0ms

Counts
4 → 12
Calls
4 calls:
176.0ms
(cbrt beta)
177.0ms
(cbrt beta)
186.0ms
(cbrt beta)
74.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify52.0ms

Algorithm
egg-herbie
Counts
152 → 152
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
03861443
11119993
25001940

prune282.0ms

Filtered
152 candidates to 82 candidates (53.9%)
Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 3.1b

regimes64.0ms

Accuracy

75.1% (3.2b remaining)

Error of 6.1b against oracle of 2.9b and baseline of 15.8b

bsearch24.0ms

Steps
ItersRangePoint
3
35727942855918572.0
4.564364949752027e+16
3.73426938437445e+16

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04331
14331

end0.0ms

sample637.0ms

Algorithm
intervals
Results
157.0ms5851×body80valid
113.0ms859×body1280valid
103.0ms8000×pre80true
81.0ms741×body640valid
28.0ms373×body320valid
9.0ms176×body160valid