Details

Time bar (total: 4.7s)

sample23.0ms

Algorithm
intervals
Results
5.0ms194×body80valid
3.0ms27×body1280valid
3.0ms256×pre80true
2.0ms16×body640valid
1.0ms11×body320valid
0.0msbody160valid

simplify78.0ms

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

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.7b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.6b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite39.0ms

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))
24.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series114.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
62.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify37.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0335555
11087529
25002525

prune233.0ms

Filtered
106 candidates to 68 candidates (64.2%)
Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 13.9b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
2.6b
(- (/ 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:
7.0ms
(/ alpha (+ (+ alpha beta) 2.0))
36.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
7.0ms
(/ beta (+ (+ alpha beta) 2.0))
21.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series243.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(/ alpha (+ (+ alpha beta) 2.0))
66.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
48.0ms
(/ beta (+ (+ alpha beta) 2.0))
83.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify135.0ms

Algorithm
egg-herbie
Counts
425 → 425
Iterations

Useful iterations: 2 (69.0ms)

IterNodesCost
09778429
131436259
250026131

prune772.0ms

Filtered
425 candidates to 199 candidates (46.8%)
Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 2.7b

localize13.0ms

Local error

Found 4 expressions with local error:

2.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
5.3b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
5.3b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
5.3b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
195×*-un-lft-identity
106×times-frac
93×add-sqr-sqrt
88×add-cube-cbrt
63×cbrt-prod prod-diff distribute-lft-out
21×fma-neg
14×associate-/r/
flip3-+ flip-+ div-inv
add-log-exp
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
cbrt-div pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 197
Calls
4 calls:
21.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

series544.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
159.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
157.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
152.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify64.0ms

Algorithm
egg-herbie
Counts
209 → 209
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
05092277
114471794
250011714

prune529.0ms

Filtered
209 candidates to 120 candidates (57.4%)
Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 2.7b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.6b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
2.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
8.7b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
166×*-un-lft-identity
89×add-sqr-sqrt
78×times-frac
74×add-cube-cbrt
63×prod-diff
48×distribute-lft-out
21×fma-neg
14×log-prod
10×associate-/r/
log-div
add-exp-log exp-sum distribute-lft-out--
pow1 add-cbrt-cube add-log-exp difference-of-squares
flip3-- flip3-+ associate-/r* flip-- flip-+ div-inv
expm1-log1p-u exp-prod exp-diff frac-sub log1p-expm1-u
associate-/l*
log-pow
cbrt-undiv sub-neg frac-2neg diff-log div-exp rem-log-exp clear-num rem-exp-log
Counts
4 → 187
Calls
4 calls:
7.0ms
(/ beta (+ (+ alpha beta) 2.0))
27.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
16.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
35.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series336.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(/ beta (+ (+ alpha beta) 2.0))
62.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
82.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
137.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify71.0ms

Algorithm
egg-herbie
Counts
199 → 199
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
06662336
122361838
250021790

prune417.0ms

Filtered
199 candidates to 110 candidates (55.3%)
Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.7b

regimes104.0ms

Accuracy

77.7% (3.0b remaining)

Error of 6.0b against oracle of 3.1b and baseline of 16.4b

bsearch52.0ms

Steps
ItersRangePoint
7
99314083682.35872
1732166801363.969
410714263654.7934

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05138
15838
25838

end0.0ms

sample612.0ms

Algorithm
intervals
Results
152.0ms5813×body80valid
110.0ms886×body1280valid
96.0ms8000×pre80true
69.0ms704×body640valid
29.0ms395×body320valid
10.0ms202×body160valid