Details

Time bar (total: 3.9s)

sample25.0ms

Algorithm
intervals
Results
5.0ms191×body80valid
4.0ms28×body1280valid
3.0ms256×pre80true
2.0ms21×body640valid
1.0ms10×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

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 15.2b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.5b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite34.0ms

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:
10.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
22.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series112.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
60.0ms
(+ (/ (- 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

prune157.0ms

Filtered
71 candidates to 46 candidates (64.8%)
Pruning

10 alts after pruning (10 fresh and 0 done)

PrunedKeptTotal
New611071
Fresh000
Picked101
Done000
Total621072

Merged error: 14.8b

Counts
72 → 10

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))
0.1b
(/ alpha (+ (+ alpha beta) 2.0))
1.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite65.0ms

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:
32.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
7.0ms
(/ beta (+ (+ alpha beta) 2.0))
7.0ms
(/ alpha (+ (+ alpha beta) 2.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series248.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
52.0ms
(/ beta (+ (+ alpha beta) 2.0))
47.0ms
(/ alpha (+ (+ alpha beta) 2.0))
82.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify63.0ms

Algorithm
egg-herbie
Counts
149 → 149
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
05441336
119101268
250011268

prune349.0ms

Filtered
149 candidates to 103 candidates (69.1%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1436149
Fresh819
Picked101
Done000
Total1527159

Merged error: 1.5b

Counts
159 → 7

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ alpha (+ (+ 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)
1.5b
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

rewrite95.0ms

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:
7.0ms
(/ alpha (+ (+ alpha beta) 2.0))
23.0ms
(* (/ 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))

series307.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(/ alpha (+ (+ alpha beta) 2.0))
66.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
72.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
116.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

simplify162.0ms

Algorithm
egg-herbie
Counts
262 → 262
Iterations

Useful iterations: 1 (25.0ms)

IterNodesCost
08632332
149472044
250012044

prune626.0ms

Filtered
262 candidates to 131 candidates (50.0%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New2611262
Fresh156
Picked101
Done000
Total2636269

Merged error: 1.4b

Counts
269 → 6

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))
1.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite30.0ms

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:
5.0ms
(cbrt (+ (+ alpha beta) 2.0))
5.0ms
(cbrt (+ (+ alpha beta) 2.0))
5.0ms
(cbrt (+ (+ alpha beta) 2.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series392.0ms

Counts
4 → 12
Calls
4 calls:
103.0ms
(cbrt (+ (+ alpha beta) 2.0))
103.0ms
(cbrt (+ (+ alpha beta) 2.0))
104.0ms
(cbrt (+ (+ alpha beta) 2.0))
83.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify70.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 3 (63.0ms)

IterNodesCost
0278567
1708537
22658521
35001512

prune227.0ms

Filtered
72 candidates to 56 candidates (77.8%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New70272
Fresh055
Picked101
Done000
Total71778

Merged error: 1.4b

Counts
78 → 7

regimes109.0ms

Accuracy

74.2% (3.5b remaining)

Error of 6.7b against oracle of 3.2b and baseline of 16.7b

bsearch69.0ms

Steps
ItersRangePoint
10
312253337667.5445
1.7481323259708506e+24
340647131676.5717

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04535
14535

end0.0ms

sample621.0ms

Algorithm
intervals
Results
152.0ms5832×body80valid
106.0ms834×body1280valid
104.0ms8000×pre80true
75.0ms725×body640valid
34.0ms413×body320valid
10.0ms196×body160valid