Details

Time bar (total: 6.7s)

sample51.0ms

Algorithm
intervals
Results
15.0ms171×body80valid
12.0ms43×body1280valid
6.0ms26×body640valid
5.0ms256×pre80true
2.0ms13×body320valid
0.0msbody160valid

simplify79.0ms

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: 20.3b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.3b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite124.0ms

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:
24.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
94.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series114.0ms

Counts
2 → 6
Calls
2 calls:
53.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
61.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify40.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (32.0ms)

IterNodesCost
0335555
11087529
25002525

prune229.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 19.5b

localize9.0ms

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))
1.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite464.0ms

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:
288.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
17.0ms
(/ alpha (+ (+ alpha beta) 2.0))
17.0ms
(/ beta (+ (+ alpha beta) 2.0))
115.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series250.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
52.0ms
(/ alpha (+ (+ alpha beta) 2.0))
47.0ms
(/ beta (+ (+ alpha beta) 2.0))
84.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify137.0ms

Algorithm
egg-herbie
Counts
425 → 425
Iterations

Useful iterations: 2 (71.0ms)

IterNodesCost
09778429
131436259
250026131

prune763.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 3.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.8b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
1.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
13.9b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite515.0ms

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:
19.0ms
(/ beta (+ (+ alpha beta) 2.0))
161.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
110.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
216.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series470.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(/ beta (+ (+ alpha beta) 2.0))
211.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
82.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
130.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify79.0ms

Algorithm
egg-herbie
Counts
199 → 199
Iterations

Useful iterations: 2 (53.0ms)

IterNodesCost
06662336
122361838
250021790

prune438.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.4b

localize16.0ms

Local error

Found 4 expressions with local error:

0.4b
(pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)
0.8b
(exp (cbrt (pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)))
1.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
13.9b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite346.0ms

Algorithm
rewrite-expression-head
Rules
136×*-un-lft-identity
79×add-sqr-sqrt
69×add-cube-cbrt
63×prod-diff
62×times-frac
36×distribute-lft-out
21×fma-neg
17×exp-prod
14×cbrt-prod
10×pow1
unpow-prod-down cube-prod associate-/r/
log-prod add-log-exp
add-exp-log
log-pow add-cbrt-cube
expm1-log1p-u log-div flip3-+ flip-+ log1p-expm1-u div-inv distribute-lft-out-- difference-of-squares
pow-unpow flip3-- flip--
cube-mult unpow3 frac-sub sqr-pow
pow-to-exp sub-neg pow-pow diff-log rem-log-exp pow-exp rem-exp-log rem-cube-cbrt
Counts
4 → 177
Calls
4 calls:
2.0ms
(pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)
7.0ms
(exp (cbrt (pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)))
111.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
215.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series594.0ms

Counts
4 → 12
Calls
4 calls:
327.0ms
(pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)
64.0ms
(exp (cbrt (pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)))
77.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
125.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify87.0ms

Algorithm
egg-herbie
Counts
189 → 189
Iterations

Useful iterations: 2 (60.0ms)

IterNodesCost
07072439
125801894
250011852

prune419.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.4b

regimes183.0ms

Accuracy

97.6% (0.3b remaining)

Error of 3.5b against oracle of 3.2b and baseline of 16.8b

bsearch5.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03736
13736

end0.0ms

sample1.2s

Algorithm
intervals
Results
415.0ms5754×body80valid
244.0ms880×body1280valid
160.0ms721×body640valid
147.0ms8000×pre80true
67.0ms396×body320valid
30.0ms249×body160valid