Details

Time bar (total: 5.8s)

sample41.0ms

Algorithm
intervals
Results
10.0ms188×body80valid
7.0ms26×body1280valid
5.0ms22×body640valid
5.0ms256×pre80true
5.0ms11×body320valid
1.0msbody160valid

simplify82.0ms

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

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.5b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite125.0ms

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:
25.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
95.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series105.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
58.0ms
(+ (/ (- 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

prune220.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 15.3b

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))
2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite477.0ms

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:
296.0ms
(- (/ 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))
117.0ms
(- (/ 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))
44.0ms
(/ alpha (+ (+ alpha beta) 2.0))
48.0ms
(/ beta (+ (+ alpha beta) 2.0))
80.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify141.0ms

Algorithm
egg-herbie
Counts
425 → 425
Iterations

Useful iterations: 2 (74.0ms)

IterNodesCost
09778429
131436259
250026131

prune775.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.7b

localize17.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.7b
(cbrt (+ (+ alpha beta) 2.0))
2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite155.0ms

Algorithm
rewrite-expression-head
Rules
141×*-un-lft-identity
69×add-sqr-sqrt
64×add-cube-cbrt
63×prod-diff
61×times-frac
45×distribute-lft-out
21×fma-neg
15×cbrt-prod
associate-/r/
flip3-+ flip-+
cbrt-div add-log-exp
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u div-inv
pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 152
Calls
4 calls:
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
9.0ms
(cbrt (+ (+ alpha beta) 2.0))
119.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series378.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(cbrt (+ (+ alpha beta) 2.0))
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
79.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify55.0ms

Algorithm
egg-herbie
Counts
164 → 164
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
04601755
113021290
250011240

prune427.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.7b

localize18.0ms

Local error

Found 4 expressions with local error:

2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
6.6b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
6.6b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
6.6b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite158.0ms

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:
114.0ms
(- (/ 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)))

series522.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
150.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
150.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
143.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify60.0ms

Algorithm
egg-herbie
Counts
209 → 209
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
05092277
114471794
250011714

prune530.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.7b

regimes102.0ms

Accuracy

74.3% (3.2b remaining)

Error of 6.3b against oracle of 3.1b and baseline of 15.5b

bsearch65.0ms

Steps
ItersRangePoint
8
15.47490965576531
505992.5742898085
498314.70176111767

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04742
14742

end0.0ms

sample1.1s

Algorithm
intervals
Results
324.0ms5877×body80valid
218.0ms818×body1280valid
155.0ms731×body640valid
134.0ms8000×pre80true
59.0ms376×body320valid
24.0ms198×body160valid