Details

Time bar (total: 2.5s)

sample29.0ms

Algorithm
intervals
Results
6.0ms186×body80valid
4.0ms256×pre80true
4.0ms27×body1280valid
3.0ms21×body640valid
2.0ms17×body320valid
0.0msbody160valid

simplify66.0ms

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

prune3.0ms

Filtered
1 candidates to 0 candidates (100.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 16.4b

Counts
2 → 1

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.7b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite30.0ms

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))
17.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series19.0ms

Counts
2 → 6
Calls
2 calls:
7.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
11.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify33.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 2 (27.0ms)

IterNodesCost
0320535
11022510
25001502

prune113.0ms

Filtered
71 candidates to 46 candidates (35.2%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New601171
Fresh000
Picked101
Done000
Total611172

Merged error: 15.6b

Counts
72 → 11

localize12.0ms

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))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
1.7b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite59.0ms

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:
27.0ms
(/ (- (/ 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)

series39.0ms

Counts
4 → 12
Calls
4 calls:
13.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
6.0ms
(/ beta (+ (+ alpha beta) 2.0))
9.0ms
(/ alpha (+ (+ alpha beta) 2.0))
11.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify55.0ms

Algorithm
egg-herbie
Counts
149 → 149
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
05441336
119101268
250021268

prune232.0ms

Filtered
149 candidates to 103 candidates (30.9%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New1427149
Fresh9110
Picked101
Done000
Total1528160

Merged error: 3.4b

Counts
160 → 8

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))
1.7b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite29.0ms

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))
12.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series62.0ms

Counts
4 → 12
Calls
4 calls:
16.0ms
(cbrt (+ (+ alpha beta) 2.0))
18.0ms
(cbrt (+ (+ alpha beta) 2.0))
17.0ms
(cbrt (+ (+ alpha beta) 2.0))
11.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify67.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 3 (59.0ms)

IterNodesCost
0278606
1720576
22734500
35001491

prune175.0ms

Filtered
72 candidates to 53 candidates (26.4%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New67572
Fresh347
Picked101
Done000
Total71980

Merged error: 3.4b

Counts
80 → 9

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.7b
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
1.7b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
8.5b
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

rewrite81.0ms

Algorithm
rewrite-expression-head
Rules
89×*-un-lft-identity
72×add-sqr-sqrt
64×times-frac
50×log-prod
37×add-cube-cbrt
25×exp-sum
19×distribute-lft-out--
14×difference-of-squares
12×distribute-lft-out
add-exp-log
pow1 add-cbrt-cube add-log-exp
associate-/r*
exp-prod
div-inv associate-/l*
log-div div-exp rem-log-exp associate-/r/ log-pow
cbrt-undiv sub-neg flip3-- frac-2neg flip3-+ exp-diff diff-log clear-num flip-- flip-+ rem-exp-log
Counts
4 → 126
Calls
4 calls:
7.0ms
(/ alpha (+ (+ alpha beta) 2.0))
27.0ms
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
28.0ms
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

series53.0ms

Counts
4 → 12
Calls
4 calls:
6.0ms
(/ alpha (+ (+ alpha beta) 2.0))
13.0ms
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
11.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
23.0ms
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

simplify50.0ms

Algorithm
egg-herbie
Counts
138 → 138
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
05361689
115661612
250021560

prune216.0ms

Filtered
138 candidates to 95 candidates (31.2%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New1326138
Fresh178
Picked101
Done000
Total13413147

Merged error: 3.4b

Counts
147 → 13

regimes264.0ms

Accuracy

97.4% (0.3b remaining)

Error of 3.3b against oracle of 2.9b and baseline of 16.1b

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04845
14845

end0.0ms

sample790.0ms

Algorithm
intervals
Results
186.0ms5811×body80valid
135.0ms869×body1280valid
120.0ms8000×pre80true
83.0ms710×body640valid
36.0ms404×body320valid
13.0ms206×body160valid

Profiling

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