Details

Time bar (total: 6.7s)

sample23.0ms

Algorithm
intervals
Results
4.0ms182×body80valid
4.0ms32×body1280valid
3.0ms256×pre80true
2.0ms25×body640valid
1.0ms10×body320valid
0.0msbody160valid

simplify73.0ms

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: 17.3b

Counts
2 → 1

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (+ alpha beta) 2.0)
0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.4b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
64×*-un-lft-identity
27×add-sqr-sqrt
25×times-frac
22×distribute-lft-out
15×add-cube-cbrt
10×add-log-exp
distribute-lft-out-- difference-of-squares
add-exp-log associate-/r* add-cbrt-cube associate-/l*
sum-log
pow1 flip3-+ flip-+
+-commutative div-sub associate-/r/ associate-/l/
cbrt-undiv associate-+l- associate-+l+ flip3-- frac-2neg div-exp clear-num flip-- div-inv
Counts
3 → 80
Calls
3 calls:
6.0ms
(+ (+ alpha beta) 2.0)
10.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
21.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series119.0ms

Counts
3 → 9
Calls
3 calls:
12.0ms
(+ (+ alpha beta) 2.0)
50.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
57.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify38.0ms

Algorithm
egg-herbie
Counts
89 → 89
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0353600
11201570
25002566

prune188.0ms

Filtered
89 candidates to 58 candidates (65.2%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New761389
Fresh000
Picked101
Done000
Total771390

Merged error: 16.6b

Counts
90 → 13

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
2.4b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite60.0ms

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:
8.0ms
(/ beta (+ (+ alpha beta) 2.0))
7.0ms
(/ alpha (+ (+ alpha beta) 2.0))
25.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series228.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(/ beta (+ (+ alpha beta) 2.0))
49.0ms
(/ alpha (+ (+ alpha beta) 2.0))
63.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
72.0ms
(- (/ 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

prune292.0ms

Filtered
123 candidates to 84 candidates (68.3%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1167123
Fresh12012
Picked101
Done000
Total1297136

Merged error: 2.7b

Counts
136 → 7

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
0.1b
(/ (- (* beta (+ (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (+ (* 1.0 1.0) (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))) (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3)))) (* (+ (* 1.0 (+ 1.0 (/ alpha (+ (+ alpha beta) 2.0)))) (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))) (+ (+ alpha beta) 2.0)))
2.4b
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

rewrite153.0ms

Algorithm
rewrite-expression-head
Rules
245×*-un-lft-identity
141×times-frac
131×add-sqr-sqrt
123×associate-*r/
90×distribute-lft-out
83×flip3-+ flip-+
73×add-cube-cbrt
71×frac-times
66×frac-add associate-/l/
64×frac-sub
47×associate-*l/
39×unpow-prod-down cube-prod swap-sqr
38×associate-/r/
26×flip3-- flip--
24×add-exp-log add-cbrt-cube difference-of-squares
21×associate-*r* associate-*l*
12×pow1
11×sqr-pow
cbrt-undiv div-exp div-inv
add-log-exp
prod-exp cbrt-unprod distribute-lft-out--
unswap-sqr
pow-unpow associate-/l*
pow-exp rem-cube-cbrt
difference-cubes cube-div pow2 cube-mult pow-to-exp sub-neg pow-pow frac-2neg pow-plus diff-log unpow3 div-sub pow-prod-down clear-num associate-/r* pow-sqr *-commutative pow-prod-up
Counts
4 → 327
Calls
4 calls:
27.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
10.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
52.0ms
(/ (- (* beta (+ (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (+ (* 1.0 1.0) (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))) (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3)))) (* (+ (* 1.0 (+ 1.0 (/ alpha (+ (+ alpha beta) 2.0)))) (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))) (+ (+ alpha beta) 2.0)))
41.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

series636.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
68.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
397.0ms
(/ (- (* beta (+ (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (+ (* 1.0 1.0) (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))) (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3)))) (* (+ (* 1.0 (+ 1.0 (/ alpha (+ (+ alpha beta) 2.0)))) (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))) (+ (+ alpha beta) 2.0)))
109.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

simplify118.0ms

Algorithm
egg-herbie
Counts
339 → 339
Iterations

Useful iterations: 1 (42.0ms)

IterNodesCost
020857822
150027442

prune1.7s

Filtered
339 candidates to 212 candidates (62.5%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New3372339
Fresh426
Picked101
Done000
Total3424346

Merged error: 2.6b

Counts
346 → 4

localize26.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (* beta (+ (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (+ (* 1.0 1.0) (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))) (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3)))) (* (+ (* 1.0 (+ 1.0 (/ alpha (+ (+ alpha beta) 2.0)))) 0) (+ (+ alpha beta) 2.0)))
0.1b
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
2.4b
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

rewrite151.0ms

Algorithm
rewrite-expression-head
Rules
245×*-un-lft-identity
141×times-frac
131×add-sqr-sqrt
99×associate-*r/
90×distribute-lft-out
73×add-cube-cbrt
68×flip3-+ flip-+
66×associate-/l/
64×frac-sub
53×frac-times
48×frac-add
39×unpow-prod-down cube-prod swap-sqr
35×associate-*l/
26×flip3-- flip--
24×add-exp-log add-cbrt-cube difference-of-squares
21×associate-*r* associate-*l*
20×associate-/r/
12×pow1
11×sqr-pow
cbrt-undiv div-exp div-inv
add-log-exp
prod-exp cbrt-unprod distribute-lft-out--
unswap-sqr
pow-unpow associate-/l*
pow-exp rem-cube-cbrt
difference-cubes cube-div pow2 cube-mult pow-to-exp sub-neg pow-pow frac-2neg pow-plus diff-log unpow3 div-sub pow-prod-down clear-num associate-/r* pow-sqr *-commutative pow-prod-up
Counts
4 → 309
Calls
4 calls:
55.0ms
(/ (- (* beta (+ (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (+ (* 1.0 1.0) (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))) (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3)))) (* (+ (* 1.0 (+ 1.0 (/ alpha (+ (+ alpha beta) 2.0)))) 0) (+ (+ alpha beta) 2.0)))
24.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
10.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
40.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

series513.0ms

Counts
4 → 12
Calls
4 calls:
273.0ms
(/ (- (* beta (+ (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (+ (* 1.0 1.0) (* (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))) (* (+ (+ alpha beta) 2.0) (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3)))) (* (+ (* 1.0 (+ 1.0 (/ alpha (+ (+ alpha beta) 2.0)))) 0) (+ (+ alpha beta) 2.0)))
56.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
71.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
113.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

simplify102.0ms

Algorithm
egg-herbie
Counts
321 → 321
Iterations

Useful iterations: 1 (41.0ms)

IterNodesCost
017965957
150015621

prune1.4s

Filtered
321 candidates to 200 candidates (62.3%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New3156321
Fresh033
Picked101
Done000
Total3169325

Merged error: 2.6b

Counts
325 → 9

regimes151.0ms

Accuracy

76.3% (3.3b remaining)

Error of 6.1b against oracle of 2.9b and baseline of 16.6b

bsearch32.0ms

Steps
ItersRangePoint
5
6117620759736144.0
16816149477681434.0
15329950251265012.0

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04647
14647

end0.0ms

sample588.0ms

Algorithm
intervals
Results
143.0ms5840×body80valid
114.0ms882×body1280valid
90.0ms8000×pre80true
64.0ms680×body640valid
29.0ms379×body320valid
13.0ms219×body160valid