Details

Time bar (total: 5.6s)

sample25.0ms

Algorithm
intervals
Results
4.0ms174×body80valid
4.0ms31×body1280valid
3.0ms256×pre80true
3.0ms28×body640valid
1.0ms15×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: 19.3b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.2b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite130.0ms

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))
99.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series108.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
62.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify39.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0335555
11087529
25002525

prune222.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 18.5b

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))
2.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite486.0ms

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:
300.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
19.0ms
(/ alpha (+ (+ alpha beta) 2.0))
17.0ms
(/ beta (+ (+ alpha beta) 2.0))
119.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series232.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
45.0ms
(/ alpha (+ (+ alpha beta) 2.0))
48.0ms
(/ beta (+ (+ alpha beta) 2.0))
79.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify134.0ms

Algorithm
egg-herbie
Counts
425 → 425
Iterations

Useful iterations: 2 (69.0ms)

IterNodesCost
09778429
131436259
250026131

prune746.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 3.1b

localize17.0ms

Local error

Found 4 expressions with local error:

2.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
7.8b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.8b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.8b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite165.0ms

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:
118.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
10.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
10.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
13.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

series518.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
149.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
148.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
143.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify59.0ms

Algorithm
egg-herbie
Counts
209 → 209
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
05092277
114471794
250011714

prune557.0ms

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
(/ beta (+ (+ alpha beta) 2.0))
0.7b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
2.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
12.2b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite544.0ms

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:
17.0ms
(/ beta (+ (+ alpha beta) 2.0))
169.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
116.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
231.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series319.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(/ beta (+ (+ alpha beta) 2.0))
60.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
130.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify72.0ms

Algorithm
egg-herbie
Counts
199 → 199
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
06662336
122361838
250021790

prune417.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 3.1b

regimes108.0ms

Accuracy

76.7% (3.0b remaining)

Error of 6.0b against oracle of 3.0b and baseline of 16.0b

bsearch35.0ms

Steps
ItersRangePoint
5
6643274873.584249
26244884392.661106
25713141841.62479

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04844
14844

end0.0ms

sample606.0ms

Algorithm
intervals
Results
152.0ms5858×body80valid
106.0ms852×body1280valid
102.0ms8000×pre80true
66.0ms691×body640valid
27.0ms381×body320valid
11.0ms218×body160valid