Details

Time bar (total: 3.9s)

sample23.0ms

Algorithm
intervals
Results
5.0ms194×body80valid
4.0ms31×body1280valid
3.0ms256×pre80true
2.0ms20×body640valid
1.0msbody320valid
0.0msbody160valid

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

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: 14.7b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.3b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite33.0ms

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))
20.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series119.0ms

Counts
2 → 6
Calls
2 calls:
53.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
66.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify36.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0314535
11004510
25001502

prune111.0ms

Filtered
71 candidates to 46 candidates (64.8%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New63871
Fresh000
Picked101
Done000
Total64872

Merged error: 14.1b

Counts
72 → 8

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))
1.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
85×*-un-lft-identity
38×add-sqr-sqrt
32×times-frac
30×distribute-lft-out
28×add-cube-cbrt
22×frac-sub
20×associate-/r*
13×flip3-- flip--
12×associate-/l*
11×add-log-exp
add-exp-log add-cbrt-cube
pow1 frac-2neg diff-log clear-num associate-/r/ distribute-lft-out-- difference-of-squares
sub-neg
cbrt-undiv flip3-+ div-exp flip-+ div-inv associate--r+
associate--r-
Counts
4 → 131
Calls
4 calls:
31.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
8.0ms
(/ alpha (+ (+ alpha beta) 2.0))
7.0ms
(/ beta (+ (+ alpha beta) 2.0))
18.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series252.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
53.0ms
(/ alpha (+ (+ alpha beta) 2.0))
53.0ms
(/ beta (+ (+ alpha beta) 2.0))
83.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify90.0ms

Algorithm
egg-herbie
Counts
143 → 143
Iterations

Useful iterations: 1 (19.0ms)

IterNodesCost
07411634
134521592
250011592

prune259.0ms

Filtered
143 candidates to 96 candidates (67.1%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New1385143
Fresh617
Picked101
Done000
Total1456151

Merged error: 3.1b

Counts
151 → 6

localize16.0ms

Local error

Found 4 expressions with local error:

0.8b
(cbrt (+ (+ alpha beta) 2.0))
0.8b
(cbrt (+ (+ alpha beta) 2.0))
0.8b
(cbrt (+ (+ alpha beta) 2.0))
1.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite33.0ms

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))
5.0ms
(cbrt (+ (+ alpha beta) 2.0))
5.0ms
(cbrt (+ (+ alpha beta) 2.0))
15.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series401.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(cbrt (+ (+ alpha beta) 2.0))
105.0ms
(cbrt (+ (+ alpha beta) 2.0))
110.0ms
(cbrt (+ (+ alpha beta) 2.0))
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify66.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 2 (19.0ms)

IterNodesCost
0271567
1668537
22423521
35002521

prune241.0ms

Filtered
72 candidates to 59 candidates (81.9%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New70272
Fresh145
Picked101
Done000
Total72678

Merged error: 3.1b

Counts
78 → 6

localize16.0ms

Local error

Found 4 expressions with local error:

1.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
5.7b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
5.7b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
5.7b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
99×*-un-lft-identity
63×cbrt-prod
46×times-frac
42×add-sqr-sqrt
37×add-cube-cbrt
36×distribute-lft-out
33×cbrt-div
15×associate-/r*
associate-/l*
associate-/r/ add-log-exp
pow1 add-exp-log add-cbrt-cube
frac-2neg flip3-+ pow1/3 clear-num flip-+ div-inv
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 135
Calls
4 calls:
15.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
8.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
8.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
8.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

series556.0ms

Counts
4 → 12
Calls
4 calls:
84.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
159.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
156.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
156.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify141.0ms

Algorithm
egg-herbie
Counts
147 → 147
Iterations

Useful iterations: 3 (126.0ms)

IterNodesCost
03471257
19451209
243071172
350011154

prune341.0ms

Filtered
147 candidates to 104 candidates (70.7%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1443147
Fresh145
Picked101
Done000
Total1467153

Merged error: 3.1b

Counts
153 → 7

regimes78.0ms

Accuracy

75.4% (3.2b remaining)

Error of 6.2b against oracle of 3.1b and baseline of 16.0b

bsearch54.0ms

Steps
ItersRangePoint
8
1.153430813483477e+25
1.1596729939708742e+29
1.2287740376387863e+26

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04235
14235

end0.0ms

sample817.0ms

Algorithm
intervals
Results
312.0ms885×body1280valid
150.0ms5823×body80valid
103.0ms8000×pre80true
70.0ms718×body640valid
27.0ms369×body320valid
10.0ms205×body160valid