Details

Time bar (total: 3.4s)

sample24.0ms

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

simplify72.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0206
1346
2526
3736
41236
51726
62246
72616
83236
94116
105326
116126
126546
136976
149226
159806
1610076
1710276
1810356
1910356

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.9b

localize11.0ms

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)

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
58×*-un-lft-identity
26×add-sqr-sqrt
25×times-frac
19×distribute-lft-out
14×add-cube-cbrt
distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube add-log-exp
pow1 flip3-+ div-sub associate-/r/ flip-+ associate-/l/
cbrt-undiv +-commutative associate-+l- flip3-- frac-2neg div-exp clear-num sum-log flip-- div-inv
Counts
2 → 65
Calls
2 calls:
10.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
18.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series109.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
63.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify37.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0320535
11022510
25001502

prune149.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 13.3b

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

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
71×*-un-lft-identity
34×add-sqr-sqrt
32×times-frac
24×add-cube-cbrt distribute-lft-out
11×add-log-exp
10×associate-/r*
add-exp-log add-cbrt-cube
associate-/l*
pow1 diff-log associate-/r/ distribute-lft-out-- difference-of-squares
sub-neg flip3-- flip--
cbrt-undiv frac-2neg flip3-+ div-exp clear-num frac-sub flip-+ div-inv associate--r+
associate--r-
Counts
4 → 111
Calls
4 calls:
27.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
7.0ms
(/ beta (+ (+ alpha beta) 2.0))
10.0ms
(/ alpha (+ (+ alpha beta) 2.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series238.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
49.0ms
(/ beta (+ (+ alpha beta) 2.0))
47.0ms
(/ alpha (+ (+ alpha beta) 2.0))
79.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify47.0ms

Algorithm
egg-herbie
Counts
123 → 123
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
0450903
11596871
25002859

prune278.0ms

Pruning

7 alts after pruning (7 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)

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
24×*-un-lft-identity
15×cbrt-prod
12×add-sqr-sqrt
distribute-lft-out
add-cube-cbrt
cbrt-div add-log-exp
pow1 add-exp-log add-cbrt-cube
flip3-+ pow1/3 flip-+
difference-of-squares
sub-neg flip3-- times-frac diff-log flip-- distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
5.0ms
(cbrt (+ (+ alpha beta) 2.0))
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
5.0ms
(cbrt (+ (+ alpha beta) 2.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series376.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
98.0ms
(cbrt (+ (+ alpha beta) 2.0))
103.0ms
(cbrt (+ (+ alpha beta) 2.0))
76.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify71.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 3 (63.0ms)

IterNodesCost
0278567
1708537
22658521
35001512

prune265.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.4b

localize25.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (+ (+ alpha beta) 2.0))
2.1b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
2.1b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
2.1b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
16×*-un-lft-identity
10×add-log-exp
difference-of-squares
cbrt-prod add-cube-cbrt
pow1 add-exp-log add-cbrt-cube
sub-neg flip3-- times-frac diff-log flip-- distribute-lft-out distribute-lft-out--
cbrt-div
flip3-+ pow1/3 flip-+
Counts
4 → 60
Calls
4 calls:
5.0ms
(cbrt (+ (+ alpha beta) 2.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
14.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
14.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series341.0ms

Counts
4 → 12
Calls
4 calls:
101.0ms
(cbrt (+ (+ alpha beta) 2.0))
80.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
80.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
79.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify71.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 3 (63.0ms)

IterNodesCost
0278573
1708539
22658515
35001512

prune288.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 2.4b

regimes116.0ms

Accuracy

76.4% (3.0b remaining)

Error of 6.2b against oracle of 3.2b and baseline of 15.9b

bsearch56.0ms

Steps
ItersRangePoint
10
6953098401.932994
1.5768447876109898e+23
3210135597332015.5

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03724
13724

end0.0ms

sample621.0ms

Algorithm
intervals
Results
150.0ms5810×body80valid
107.0ms886×body1280valid
103.0ms8000×pre80true
67.0ms708×body640valid
28.0ms385×body320valid
10.0ms211×body160valid