Details

Time bar (total: 3.3s)

sample24.0ms

Algorithm
intervals
Results
5.0ms186×body80valid
3.0ms29×body1280valid
3.0ms256×pre80true
2.0ms19×body640valid
1.0ms18×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: 16.8b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.8b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite37.0ms

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:
11.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
23.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series112.0ms

Counts
2 → 6
Calls
2 calls:
53.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
59.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify38.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0320535
11022510
25001502

prune160.0ms

Filtered
71 candidates to 46 candidates (64.8%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New601171
Fresh000
Picked101
Done000
Total611172

Merged error: 16.0b

Counts
72 → 11

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
1.8b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite59.0ms

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:
27.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
8.0ms
(/ beta (+ (+ alpha beta) 2.0))
7.0ms
(/ alpha (+ (+ alpha beta) 2.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series237.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
45.0ms
(/ beta (+ (+ alpha beta) 2.0))
50.0ms
(/ alpha (+ (+ alpha beta) 2.0))
77.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify50.0ms

Algorithm
egg-herbie
Counts
123 → 123
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
0450903
11596871
25002859

prune242.0ms

Filtered
123 candidates to 84 candidates (68.3%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New1176123
Fresh10010
Picked101
Done000
Total1286134

Merged error: 2.7b

Counts
134 → 6

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
1.8b
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
1.8b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
43×*-un-lft-identity
32×add-sqr-sqrt
18×times-frac
17×add-cube-cbrt
12×exp-prod distribute-lft-out
add-log-exp
log-pow
add-exp-log add-cbrt-cube difference-of-squares
pow1 log-prod associate-/r*
exp-sum
sub-neg associate-/l* distribute-lft-out--
exp-diff diff-log associate-/r/ rem-exp-log
cbrt-undiv log-div flip3-- frac-2neg flip3-+ div-exp rem-log-exp clear-num flip-- flip-+ div-inv
Counts
4 → 91
Calls
4 calls:
14.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
8.0ms
(/ alpha (+ (+ alpha beta) 2.0))
14.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series282.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
52.0ms
(/ alpha (+ (+ alpha beta) 2.0))
79.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
77.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify143.0ms

Algorithm
egg-herbie
Counts
103 → 103
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0325652
11064606
24504591
35001591

prune229.0ms

Filtered
103 candidates to 73 candidates (70.9%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New1021103
Fresh145
Picked011
Done000
Total1036109

Merged error: 2.7b

Counts
109 → 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))
1.8b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite32.0ms

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))
6.0ms
(cbrt (+ (+ alpha beta) 2.0))
5.0ms
(cbrt (+ (+ alpha beta) 2.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series382.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(cbrt (+ (+ alpha beta) 2.0))
99.0ms
(cbrt (+ (+ alpha beta) 2.0))
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify70.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 3 (62.0ms)

IterNodesCost
0278567
1708537
22658521
35001512

prune229.0ms

Filtered
72 candidates to 56 candidates (77.8%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New69372
Fresh134
Picked101
Done011
Total71778

Merged error: 2.7b

Counts
78 → 7

regimes102.0ms

Accuracy

73.2% (3.4b remaining)

Error of 6.5b against oracle of 3.1b and baseline of 15.7b

bsearch92.0ms

Steps
ItersRangePoint
4
8.85312560244671e+136
1.6661249883901243e+137
8.982165201665328e+136
8
3.1357525583305223e+117
2.3462675926281506e+120
4.535383575684779e+119
0
1596871.5183753124
1650110.102945949
1623490.8106606307

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05470
15470

end0.0ms

sample597.0ms

Algorithm
intervals
Results
148.0ms5837×body80valid
103.0ms856×body1280valid
95.0ms8000×pre80true
73.0ms712×body640valid
27.0ms377×body320valid
11.0ms218×body160valid