Details

Time bar (total: 4.6s)

sample26.0ms

Algorithm
intervals
Results
4.0ms174×body80valid
4.0ms31×body1280valid
4.0ms256×pre80true
3.0ms28×body640valid
1.0ms15×body320valid
0.0msbody160valid

simplify75.0ms

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: 19.3b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.2b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite114.0ms

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:
24.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
87.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series111.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(/ (- 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

prune163.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 18.5b

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))
2.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite370.0ms

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:
229.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
18.0ms
(/ alpha (+ (+ alpha beta) 2.0))
18.0ms
(/ beta (+ (+ alpha beta) 2.0))
101.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series242.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
48.0ms
(/ alpha (+ (+ alpha beta) 2.0))
51.0ms
(/ beta (+ (+ alpha beta) 2.0))
80.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify48.0ms

Algorithm
egg-herbie
Counts
123 → 123
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
0450903
11596871
25002859

prune298.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 3.1b

localize17.0ms

Local error

Found 4 expressions with local error:

2.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
7.8b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.8b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.8b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite133.0ms

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:
98.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
10.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
10.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
10.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

series537.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
149.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
153.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
155.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify123.0ms

Algorithm
egg-herbie
Counts
117 → 117
Iterations

Useful iterations: 3 (111.0ms)

IterNodesCost
03331077
18921029
24058992
35001980

prune362.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 3.1b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.7b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
2.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
12.2b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite471.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
32×add-sqr-sqrt
18×times-frac
17×add-cube-cbrt
14×log-prod
12×distribute-lft-out
log-div
add-exp-log exp-sum distribute-lft-out--
pow1 add-cbrt-cube add-log-exp difference-of-squares
flip3-- associate-/r* flip--
exp-prod exp-diff frac-sub
associate-/l*
associate-/r/ log-pow
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-exp rem-log-exp clear-num flip-+ div-inv rem-exp-log
Counts
4 → 95
Calls
4 calls:
18.0ms
(/ beta (+ (+ alpha beta) 2.0))
175.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
98.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
176.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series323.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(/ beta (+ (+ alpha beta) 2.0))
61.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
79.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
132.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify50.0ms

Algorithm
egg-herbie
Counts
107 → 107
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
04671121
115281058
250011029

prune279.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 3.1b

regimes101.0ms

Accuracy

76.7% (3.0b remaining)

Error of 6.0b against oracle of 3.0b and baseline of 16.0b

bsearch39.0ms

Steps
ItersRangePoint
5
6643274873.584249
26244884392.661106
25713141841.62479

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04446
14446

end0.0ms

sample644.0ms

Algorithm
intervals
Results
155.0ms5858×body80valid
115.0ms852×body1280valid
112.0ms8000×pre80true
69.0ms691×body640valid
29.0ms381×body320valid
11.0ms218×body160valid