Details

Time bar (total: 7.3s)

sample24.0ms

Algorithm
intervals
Results
5.0ms191×body80valid
3.0ms26×body1280valid
3.0ms256×pre80true
2.0ms25×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

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.2b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.4b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite192.0ms

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:
45.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
145.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series95.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
55.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify35.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 2 (28.0ms)

IterNodesCost
0320535
11022510
25001502

prune142.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 14.8b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
1.4b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite1.2s

Algorithm
rewrite-expression-head
Rules
98×*-un-lft-identity
61×add-sqr-sqrt
56×times-frac
36×add-cube-cbrt
24×distribute-lft-out
13×associate-/r* associate-/l* distribute-lft-out--
10×add-exp-log add-cbrt-cube difference-of-squares
add-log-exp
pow1 associate-/r/ associate-/l/
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- div-inv
flip3-+ frac-sub flip-+
sub-neg diff-log div-sub
Counts
4 → 137
Calls
4 calls:
942.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
34.0ms
(/ beta (+ (+ alpha beta) 2.0))
32.0ms
(/ alpha (+ (+ alpha beta) 2.0))
169.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series206.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
40.0ms
(/ beta (+ (+ alpha beta) 2.0))
43.0ms
(/ alpha (+ (+ alpha beta) 2.0))
65.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify55.0ms

Algorithm
egg-herbie
Counts
149 → 149
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
05441336
119101268
250011268

prune326.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 1.3b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
0.1b
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
1.4b
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

rewrite603.0ms

Algorithm
rewrite-expression-head
Rules
273×*-un-lft-identity
153×times-frac
139×add-sqr-sqrt
102×distribute-lft-out
81×add-cube-cbrt
39×unpow-prod-down cube-prod swap-sqr
24×difference-of-squares
21×add-exp-log associate-*r* associate-*l* add-cbrt-cube
14×associate-/r/
12×pow1
11×sqr-pow
flip3-+ flip-+ div-inv
cbrt-undiv div-exp add-log-exp
associate-/r* distribute-lft-out--
prod-exp cbrt-unprod unswap-sqr
pow-unpow associate-/l*
pow-exp rem-cube-cbrt
difference-cubes cube-div pow2 cube-mult frac-times pow-to-exp sub-neg flip3-- pow-pow frac-2neg pow-plus diff-log unpow3 associate-*r/ pow-prod-down associate-*l/ clear-num pow-sqr *-commutative pow-prod-up flip--
Counts
4 → 250
Calls
4 calls:
34.0ms
(/ alpha (+ (+ alpha beta) 2.0))
36.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
144.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
376.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

series255.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(/ alpha (+ (+ alpha beta) 2.0))
63.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
55.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
97.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

simplify156.0ms

Algorithm
egg-herbie
Counts
262 → 262
Iterations

Useful iterations: 1 (24.0ms)

IterNodesCost
08632332
149442044
250012044

prune583.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 1.3b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
0.1b
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 6)
1.4b
(- (pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3) (pow (pow 1.0 3) 3))

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
341×add-sqr-sqrt
300×*-un-lft-identity
262×unpow-prod-down
241×cube-prod
185×times-frac
140×difference-of-squares
99×distribute-lft-out
81×add-cube-cbrt
74×sqr-pow
39×swap-sqr
22×add-exp-log
21×associate-*r* associate-*l* distribute-lft-out--
19×add-cbrt-cube
14×associate-/r/
13×pow1
flip3-+ flip-+ div-inv
pow-unpow div-exp add-log-exp
cbrt-undiv
pow-exp prod-exp cbrt-unprod unswap-sqr
pow-to-exp pow-pow rem-cube-cbrt
difference-cubes cube-div pow2 cube-mult frac-times sub-neg flip3-- pow-plus diff-log unpow3 associate-*r/ pow-prod-down associate-*l/ pow-sqr *-commutative pow-prod-up flip--
Counts
4 → 381
Calls
4 calls:
36.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
142.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
36.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 6)
861.0ms
(- (pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3) (pow (pow 1.0 3) 3))

series300.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
51.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
84.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 6)
101.0ms
(- (pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3) (pow (pow 1.0 3) 3))

simplify80.0ms

Algorithm
egg-herbie
Counts
393 → 393
Iterations

Useful iterations: 1 (27.0ms)

IterNodesCost
011084907
150014629

prune986.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 1.3b

regimes148.0ms

Accuracy

99.3% (0.1b remaining)

Error of 3.3b against oracle of 3.3b and baseline of 15.9b

bsearch1.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04330
14330

end0.0ms

sample630.0ms

Algorithm
intervals
Results
144.0ms5821×body80valid
102.0ms799×body1280valid
83.0ms8000×pre80true
76.0ms756×body640valid
29.0ms421×body320valid
10.0ms203×body160valid