Details

Time bar (total: 4.9s)

sample24.0ms

Algorithm
intervals
Results
5.0ms194×body80valid
3.0ms256×pre80true
3.0ms26×body1280valid
2.0ms22×body640valid
1.0ms11×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

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.6b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
0.9b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite193.0ms

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:
43.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
147.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series100.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
55.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify36.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0320535
11022510
25001502

prune142.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 14.0b

localize14.0ms

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))
0.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite616.0ms

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:
378.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
34.0ms
(/ alpha (+ (+ alpha beta) 2.0))
33.0ms
(/ beta (+ (+ alpha beta) 2.0))
167.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series214.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
41.0ms
(/ alpha (+ (+ alpha beta) 2.0))
45.0ms
(/ beta (+ (+ alpha beta) 2.0))
70.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify47.0ms

Algorithm
egg-herbie
Counts
123 → 123
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
0450903
11596871
25002859

prune277.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 3.2b

localize17.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite218.0ms

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:
15.0ms
(cbrt (+ (+ alpha beta) 2.0))
16.0ms
(cbrt (+ (+ alpha beta) 2.0))
15.0ms
(cbrt (+ (+ alpha beta) 2.0))
170.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series343.0ms

Counts
4 → 12
Calls
4 calls:
84.0ms
(cbrt (+ (+ alpha beta) 2.0))
91.0ms
(cbrt (+ (+ alpha beta) 2.0))
96.0ms
(cbrt (+ (+ alpha beta) 2.0))
72.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify76.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 3 (62.0ms)

IterNodesCost
0278567
1708537
22658521
35001512

prune420.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.2b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.6b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
0.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
10.6b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite775.0ms

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:
33.0ms
(/ beta (+ (+ alpha beta) 2.0))
285.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
165.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
288.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series267.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(/ beta (+ (+ alpha beta) 2.0))
51.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
66.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
108.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify46.0ms

Algorithm
egg-herbie
Counts
107 → 107
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
04671121
115281058
250011029

prune246.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 3.2b

regimes78.0ms

Accuracy

74.8% (3.2b remaining)

Error of 5.9b against oracle of 2.7b and baseline of 15.4b

bsearch68.0ms

Steps
ItersRangePoint
11
3.669661330004138e+21
6.673094605812698e+44
1.2902038073279444e+24

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04638
14638

end0.0ms

sample602.0ms

Algorithm
intervals
Results
147.0ms5914×body80valid
93.0ms827×body1280valid
83.0ms8000×pre80true
62.0ms706×body640valid
26.0ms388×body320valid
7.0ms165×body160valid