Details

Time bar (total: 3.8s)

sample24.0ms

Algorithm
intervals
Results
4.0ms180×body80valid
4.0ms31×body1280valid
3.0ms256×pre80true
2.0ms25×body640valid
1.0ms15×body320valid
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

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.8b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.3b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite113.0ms

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:
23.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
87.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series104.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
60.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify34.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 2 (28.0ms)

IterNodesCost
0320535
11022510
25001502

prune138.0ms

Filtered
71 candidates to 46 candidates (64.8%)
Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 16.9b

localize10.0ms

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))
2.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite356.0ms

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:
222.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
17.0ms
(/ alpha (+ (+ alpha beta) 2.0))
19.0ms
(/ beta (+ (+ alpha beta) 2.0))
94.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series230.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
45.0ms
(/ alpha (+ (+ alpha beta) 2.0))
47.0ms
(/ beta (+ (+ alpha beta) 2.0))
77.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify46.0ms

Algorithm
egg-herbie
Counts
123 → 123
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
0450903
11596871
25002859

prune261.0ms

Filtered
123 candidates to 84 candidates (68.3%)
Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 3.1b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* beta (/ 1 (+ (+ alpha beta) 2.0))) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.1b
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
2.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite257.0ms

Algorithm
rewrite-expression-head
Rules
62×*-un-lft-identity
36×add-sqr-sqrt
33×times-frac
24×add-cube-cbrt
21×associate-*r* distribute-lft-out
15×add-exp-log
11×add-cbrt-cube add-log-exp
pow1
associate-/r*
flip3-- diff-log prod-exp associate-/r/ frac-sub flip--
sub-neg associate-*r/ div-exp associate-*l* un-div-inv associate-/l* unswap-sqr
cbrt-undiv flip3-+ cbrt-unprod flip-+ div-inv associate--r+ difference-of-squares
rec-exp frac-2neg 1-exp pow-prod-down clear-num *-commutative distribute-lft-out-- associate--r-
Counts
4 → 116
Calls
4 calls:
97.0ms
(- (* beta (/ 1 (+ (+ alpha beta) 2.0))) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
18.0ms
(/ alpha (+ (+ alpha beta) 2.0))
41.0ms
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
96.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series223.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(- (* beta (/ 1 (+ (+ alpha beta) 2.0))) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
47.0ms
(/ alpha (+ (+ alpha beta) 2.0))
44.0ms
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
75.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify65.0ms

Algorithm
egg-herbie
Counts
128 → 128
Iterations

Useful iterations: 2 (51.0ms)

IterNodesCost
0565957
12307897
25001872

prune252.0ms

Filtered
128 candidates to 85 candidates (66.4%)
Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 3.1b

localize15.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt beta)
0.6b
(cbrt beta)
0.6b
(cbrt beta)
2.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
cbrt-prod *-un-lft-identity
add-cube-cbrt
add-log-exp
pow1 add-exp-log add-cbrt-cube
pow1/3
difference-of-squares
sub-neg flip3-- times-frac diff-log flip-- distribute-lft-out--
Counts
4 → 48
Calls
4 calls:
0.0ms
(cbrt beta)
0.0ms
(cbrt beta)
1.0ms
(cbrt beta)
97.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series632.0ms

Counts
4 → 12
Calls
4 calls:
181.0ms
(cbrt beta)
189.0ms
(cbrt beta)
184.0ms
(cbrt beta)
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify45.0ms

Algorithm
egg-herbie
Counts
60 → 60
Iterations

Useful iterations: 3 (40.0ms)

IterNodesCost
0165261
1394243
21370230
35002228

prune172.0ms

Filtered
60 candidates to 50 candidates (83.3%)
Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 3.1b

regimes63.0ms

Accuracy

75.1% (3.2b remaining)

Error of 6.1b against oracle of 2.9b and baseline of 15.8b

bsearch17.0ms

Steps
ItersRangePoint
3
35727942855918572.0
4.564364949752027e+16
3.73426938437445e+16

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04426
14426

end0.0ms

sample592.0ms

Algorithm
intervals
Results
142.0ms5851×body80valid
105.0ms859×body1280valid
95.0ms8000×pre80true
73.0ms741×body640valid
26.0ms373×body320valid
9.0ms176×body160valid