Details

Time bar (total: 3.5s)

sample23.0ms

Algorithm
intervals
Results
5.0ms192×body80valid
3.0ms256×pre80true
3.0ms23×body1280valid
2.0ms22×body640valid
1.0ms11×body320valid
0.0msbody160valid

simplify74.0ms

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

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 15.0b

Counts
2 → 1

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)

rewrite34.0ms

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))
22.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series110.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
59.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify38.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0320535
11022510
25001502

prune142.0ms

Filtered
71 candidates to 46 candidates (64.8%)
Pruning

10 alts after pruning (10 fresh and 0 done)

PrunedKeptTotal
New611071
Fresh000
Picked101
Done000
Total621072

Merged error: 14.2b

Counts
72 → 10

localize14.0ms

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)

rewrite58.0ms

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:
26.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
8.0ms
(/ beta (+ (+ alpha beta) 2.0))
8.0ms
(/ alpha (+ (+ alpha beta) 2.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series241.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
46.0ms
(/ beta (+ (+ alpha beta) 2.0))
51.0ms
(/ alpha (+ (+ alpha beta) 2.0))
80.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify50.0ms

Algorithm
egg-herbie
Counts
123 → 123
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
0450903
11596871
25002859

prune244.0ms

Filtered
123 candidates to 84 candidates (68.3%)
Pruning

10 alts after pruning (10 fresh and 0 done)

PrunedKeptTotal
New1149123
Fresh819
Picked101
Done000
Total12310133

Merged error: 2.9b

Counts
133 → 10

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
2.1b
(- (log (exp (/ alpha (+ (+ alpha beta) 2.0)))) 1.0)
3.5b
(log (exp (/ alpha (+ (+ alpha beta) 2.0))))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
93×*-un-lft-identity
45×times-frac
37×add-sqr-sqrt
35×add-cube-cbrt
33×distribute-lft-out
23×log-pow
21×exp-prod
10×associate-/r*
add-exp-log add-cbrt-cube
pow1 log-prod associate-/r/ associate-/l*
add-log-exp
flip3-+ associate--l+ flip-+ div-inv
cbrt-undiv frac-2neg div-exp clear-num distribute-lft-out--
sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
4 → 125
Calls
4 calls:
7.0ms
(/ beta (+ (+ alpha beta) 2.0))
7.0ms
(/ alpha (+ (+ alpha beta) 2.0))
17.0ms
(- (log (exp (/ alpha (+ (+ alpha beta) 2.0)))) 1.0)
9.0ms
(log (exp (/ alpha (+ (+ alpha beta) 2.0))))

series231.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(/ beta (+ (+ alpha beta) 2.0))
45.0ms
(/ alpha (+ (+ alpha beta) 2.0))
80.0ms
(- (log (exp (/ alpha (+ (+ alpha beta) 2.0)))) 1.0)
53.0ms
(log (exp (/ alpha (+ (+ alpha beta) 2.0))))

simplify158.0ms

Algorithm
egg-herbie
Counts
137 → 137
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0377783
11141725
24953715
35002715

prune272.0ms

Filtered
137 candidates to 95 candidates (69.3%)
Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New1370137
Fresh099
Picked011
Done000
Total13710147

Merged error: 2.9b

Counts
147 → 10

localize13.0ms

Local error

Found 4 expressions with local error:

2.1b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
6.0b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
6.0b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
6.0b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
78×*-un-lft-identity
63×cbrt-prod
46×times-frac
36×add-sqr-sqrt
31×add-cube-cbrt
27×distribute-lft-out
associate-/r/ add-log-exp
pow1 add-exp-log add-cbrt-cube
cbrt-div flip3-+ pow1/3 flip-+ div-inv
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 105
Calls
4 calls:
17.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

series532.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
153.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
152.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
146.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify125.0ms

Algorithm
egg-herbie
Counts
117 → 117
Iterations

Useful iterations: 3 (112.0ms)

IterNodesCost
03331077
18921029
24058992
35001980

prune295.0ms

Filtered
117 candidates to 86 candidates (73.5%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New1134117
Fresh538
Picked101
Done011
Total1198127

Merged error: 2.9b

Counts
127 → 8

regimes88.0ms

Accuracy

77.4% (2.8b remaining)

Error of 6.0b against oracle of 3.2b and baseline of 15.6b

bsearch46.0ms

Steps
ItersRangePoint
7
12753422947354472.0
5.168889984207901e+17
8.716404371789643e+16

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03825
13825

end0.0ms

sample603.0ms

Algorithm
intervals
Results
148.0ms5866×body80valid
106.0ms811×body1280valid
100.0ms8000×pre80true
76.0ms780×body640valid
26.0ms360×body320valid
9.0ms183×body160valid