Details

Time bar (total: 5.2s)

sample24.0ms

Algorithm
intervals
Results
5.0ms197×body80valid
3.0ms27×body1280valid
3.0ms256×pre80true
2.0ms19×body640valid
0.0msbody160valid
0.0msbody320valid

simplify75.0ms

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: 13.9b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.1b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite127.0ms

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))
97.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series105.0ms

Counts
2 → 6
Calls
2 calls:
49.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
56.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify36.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (28.0ms)

IterNodesCost
0335555
11087529
25002525

prune224.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 13.3b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
2.1b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite619.0ms

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:
295.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
20.0ms
(/ beta (+ (+ alpha beta) 2.0))
18.0ms
(/ alpha (+ (+ alpha beta) 2.0))
257.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series228.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
44.0ms
(/ beta (+ (+ alpha beta) 2.0))
47.0ms
(/ alpha (+ (+ alpha beta) 2.0))
78.0ms
(- (/ 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

prune759.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.4b

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))
2.1b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite148.0ms

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))
10.0ms
(cbrt (+ (+ alpha beta) 2.0))
114.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series360.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(cbrt (+ (+ alpha beta) 2.0))
95.0ms
(cbrt (+ (+ alpha beta) 2.0))
95.0ms
(cbrt (+ (+ alpha beta) 2.0))
75.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify51.0ms

Algorithm
egg-herbie
Counts
164 → 164
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
04601755
113021290
250011240

prune438.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 2.4b

localize18.0ms

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))
2.1b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite149.0ms

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))
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
116.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series369.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(cbrt (+ (+ alpha beta) 2.0))
97.0ms
(cbrt (+ (+ alpha beta) 2.0))
96.0ms
(cbrt (+ (+ alpha beta) 2.0))
74.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify52.0ms

Algorithm
egg-herbie
Counts
164 → 164
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
04601755
113021290
250011240

prune432.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.4b

regimes157.0ms

Accuracy

97.7% (0.3b remaining)

Error of 3.5b against oracle of 3.2b and baseline of 15.9b

bsearch1.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03828
13828

end0.0ms

sample628.0ms

Algorithm
intervals
Results
152.0ms5810×body80valid
115.0ms886×body1280valid
98.0ms8000×pre80true
77.0ms708×body640valid
29.0ms385×body320valid
11.0ms211×body160valid