Details

Time bar (total: 8.9s)

sample26.0ms

Algorithm
intervals
Results
4.0ms178×body80valid
4.0ms34×body1280valid
3.0ms256×pre80true
2.0ms19×body640valid
1.0ms15×body320valid
1.0ms10×body160valid

simplify286.0ms

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

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.0b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.6b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite109.0ms

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:
23.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
82.0ms
(+ (/ (- 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)

simplify1.1s

Counts
71 → 71
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01241134
13191074
28111014
324311006
done50011005

prune154.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 17.3b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
2.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite353.0ms

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:
17.0ms
(/ alpha (+ (+ alpha beta) 2.0))
218.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
18.0ms
(/ beta (+ (+ alpha beta) 2.0))
96.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series240.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(/ alpha (+ (+ alpha beta) 2.0))
62.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
50.0ms
(/ beta (+ (+ alpha beta) 2.0))
79.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.5s

Counts
123 → 123
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01931936
14481814
212241730
340571698
done50001696

prune291.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.7b

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))
2.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite121.0ms

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:
10.0ms
(cbrt (+ (+ alpha beta) 2.0))
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
93.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series377.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
99.0ms
(cbrt (+ (+ alpha beta) 2.0))
102.0ms
(cbrt (+ (+ alpha beta) 2.0))
75.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify767.0ms

Counts
72 → 72
Iterations

Useful iterations: 3 (270.0ms)

IterNodesCost
01201076
12821043
2660977
31690888
done5001888

prune270.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.7b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.6b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
2.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
10.6b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite448.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
32×add-sqr-sqrt
18×times-frac
17×add-cube-cbrt
14×log-prod
12×distribute-lft-out
log-div
add-exp-log exp-sum distribute-lft-out--
pow1 add-cbrt-cube add-log-exp difference-of-squares
flip3-- associate-/r* flip--
exp-prod exp-diff frac-sub
associate-/l*
associate-/r/ log-pow
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-exp rem-log-exp clear-num flip-+ div-inv rem-exp-log
Counts
4 → 95
Calls
4 calls:
18.0ms
(/ beta (+ (+ alpha beta) 2.0))
166.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
92.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
168.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series322.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(/ beta (+ (+ alpha beta) 2.0))
67.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
129.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify1.4s

Counts
107 → 107
Iterations

Useful iterations: 3 (646.0ms)

IterNodesCost
02112358
14672197
212122032
337981980
done50001980

prune265.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.7b

regimes126.0ms

Accuracy

78.1% (2.8b remaining)

Error of 6.0b against oracle of 3.3b and baseline of 15.9b

bsearch35.0ms

Steps
ItersRangePoint
5
391248603.19673574
1027443772.3458656
1015227874.2528594

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03699
14199
done4199

end0.0ms

sample599.0ms

Algorithm
intervals
Results
141.0ms5870×body80valid
109.0ms828×body1280valid
97.0ms8000×pre80true
67.0ms692×body640valid
29.0ms409×body320valid
10.0ms201×body160valid