Details

Time bar (total: 3.5s)

sample24.0ms

Algorithm
intervals
Results
4.0ms184×body80valid
3.0ms256×pre80true
3.0ms25×body1280valid
2.0ms23×body640valid
1.0ms17×body320valid
0.0msbody160valid

simplify75.0ms

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: 16.9b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.9b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite36.0ms

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

series108.0ms

Counts
2 → 6
Calls
2 calls:
49.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
59.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify39.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0320535
11022510
25001502

prune162.0ms

Filtered
71 candidates to 46 candidates (64.8%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New581371
Fresh000
Picked101
Done000
Total591372

Merged error: 16.2b

Counts
72 → 13

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
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
2.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite58.0ms

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:
26.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
8.0ms
(/ alpha (+ (+ alpha beta) 2.0))
7.0ms
(/ beta (+ (+ alpha beta) 2.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series237.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
46.0ms
(/ alpha (+ (+ alpha beta) 2.0))
49.0ms
(/ beta (+ (+ alpha beta) 2.0))
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify51.0ms

Algorithm
egg-herbie
Counts
123 → 123
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
0450903
11596871
25002859

prune245.0ms

Filtered
123 candidates to 84 candidates (68.3%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1185123
Fresh10212
Picked101
Done000
Total1297136

Merged error: 2.7b

Counts
136 → 7

localize13.0ms

Local error

Found 4 expressions with local error:

2.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
6.6b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
6.6b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
6.6b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
78×*-un-lft-identity
63×cbrt-prod
46×times-frac
36×add-sqr-sqrt
31×add-cube-cbrt
27×distribute-lft-out
associate-/r/ add-log-exp
pow1 add-exp-log add-cbrt-cube
cbrt-div flip3-+ pow1/3 flip-+ div-inv
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 105
Calls
4 calls:
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

series527.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
148.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
147.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
150.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify123.0ms

Algorithm
egg-herbie
Counts
117 → 117
Iterations

Useful iterations: 3 (110.0ms)

IterNodesCost
03331077
18921029
24058992
35001980

prune341.0ms

Filtered
117 candidates to 86 candidates (73.5%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New1134117
Fresh156
Picked101
Done000
Total1159124

Merged error: 2.7b

Counts
124 → 9

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
2.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
2.9b
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
70×*-un-lft-identity
36×add-sqr-sqrt
32×times-frac
26×add-cube-cbrt
24×distribute-lft-out
10×associate-/r*
add-exp-log add-cbrt-cube
log-pow
exp-prod associate-/l* add-log-exp
pow1 log-prod
associate-/r/ difference-of-squares
cbrt-undiv sub-neg frac-2neg flip3-+ div-exp exp-sum clear-num flip-+ div-inv distribute-lft-out--
log-div flip3-- exp-diff diff-log rem-log-exp flip--
Counts
4 → 110
Calls
4 calls:
8.0ms
(/ alpha (+ (+ alpha beta) 2.0))
7.0ms
(/ beta (+ (+ alpha beta) 2.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
14.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series254.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(/ alpha (+ (+ alpha beta) 2.0))
52.0ms
(/ beta (+ (+ alpha beta) 2.0))
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
76.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify46.0ms

Algorithm
egg-herbie
Counts
122 → 122
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
0368741
11180696
25001683

prune255.0ms

Filtered
122 candidates to 84 candidates (68.9%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New1211122
Fresh178
Picked011
Done000
Total1229131

Merged error: 2.7b

Counts
131 → 9

regimes158.0ms

Accuracy

99.4% (0.1b remaining)

Error of 3.0b against oracle of 2.9b and baseline of 15.6b

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03939
13939

end0.0ms

sample593.0ms

Algorithm
intervals
Results
143.0ms5867×body80valid
99.0ms823×body1280valid
96.0ms8000×pre80true
73.0ms754×body640valid
26.0ms364×body320valid
9.0ms192×body160valid

Profiling

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