Details

Time bar (total: 7.7s)

sample33.0ms

Algorithm
intervals
Results
6.0ms183×body80valid
5.0ms27×body1280valid
4.0ms256×pre80true
4.0ms27×body640valid
1.0ms10×body320valid
1.0msbody160valid

simplify318.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01013
12013
23313
35113
47013
511913
614413
718013
821313
926413
1030413
1131613
1232813
1334013
done34013

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 17.0b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.5b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite33.0ms

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))
19.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series25.0ms

Counts
2 → 6
Calls
2 calls:
8.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
16.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.2s

Counts
71 → 71
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01241134
13191074
28111014
324311006
done50011005

prune129.0ms

Filtered
46 candidates to 71 candidates (-54.3%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New591271
Fresh000
Picked101
Done000
Total601272

Merged error: 16.2b

Counts
72 → 12

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))
2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite66.0ms

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:
29.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
8.0ms
(/ beta (+ (+ alpha beta) 2.0))
8.0ms
(/ alpha (+ (+ alpha beta) 2.0))
17.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series44.0ms

Counts
4 → 12
Calls
4 calls:
17.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
7.0ms
(/ beta (+ (+ alpha beta) 2.0))
7.0ms
(/ alpha (+ (+ alpha beta) 2.0))
12.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.5s

Counts
123 → 123
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01931936
14491814
212251730
340551698
done50001696

prune192.0ms

Filtered
84 candidates to 123 candidates (-46.4%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New1185123
Fresh10111
Picked101
Done000
Total1296135

Merged error: 3.2b

Counts
135 → 6

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(cbrt (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
13×*-un-lft-identity
10×add-log-exp
difference-of-squares
cbrt-prod
add-cube-cbrt
pow1 add-exp-log flip3-- times-frac add-cbrt-cube flip-- distribute-lft-out--
sub-neg diff-log
cbrt-div
pow1/3
Counts
4 → 61
Calls
4 calls:
16.0ms
(cbrt (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
15.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
15.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
15.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series68.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(cbrt (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
12.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify891.0ms

Counts
73 → 73
Iterations

Useful iterations: done (889.0ms)

IterNodesCost
01231336
12681308
26281180
316731139
done50001114

prune208.0ms

Filtered
58 candidates to 73 candidates (-25.9%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New72173
Fresh055
Picked101
Done000
Total73679

Merged error: 3.2b

Counts
79 → 6

localize21.0ms

Local error

Found 4 expressions with local error:

2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
12×*-un-lft-identity add-log-exp
difference-of-squares
pow1 add-exp-log add-cube-cbrt sub-neg flip3-- times-frac diff-log add-cbrt-cube flip-- distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
15.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
15.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
15.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
15.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series53.0ms

Counts
4 → 12
Calls
4 calls:
12.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
15.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
13.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.4s

Counts
72 → 72
Iterations

Useful iterations: 3 (106.0ms)

IterNodesCost
0591172
11311160
22901040
37311008
427201008
done50011008

prune256.0ms

Filtered
56 candidates to 72 candidates (-28.6%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New71172
Fresh055
Picked101
Done000
Total72678

Merged error: 3.2b

Counts
78 → 6

regimes117.0ms

Accuracy

78.1% (2.8b remaining)

Error of 5.9b against oracle of 3.1b and baseline of 15.8b

bsearch13.0ms

Steps
ItersRangePoint
6
7170427078.972401
99835565477.3547
18187930964.32793

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02844
13344
done3344

end0.0ms

sample890.0ms

Algorithm
intervals
Results
208.0ms5836×body80valid
147.0ms854×body1280valid
129.0ms8000×pre80true
96.0ms702×body640valid
40.0ms376×body320valid
16.0ms232×body160valid

Profiling

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