Details

Time bar (total: 15.4s)

sample24.0ms

Algorithm
intervals
Results
5.0ms205×body80valid
3.0ms256×pre80true
3.0ms21×body1280valid
1.0ms13×body640valid
1.0ms12×body320valid
0.0msbody160valid

simplify560.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01013
12013
23413
35213
47313
511813
614913
717713
820813
924613
1027413
1128513
1229713
1330113
done30113

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.1b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.1b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite265.0ms

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:
45.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
217.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series152.0ms

Counts
2 → 6
Calls
2 calls:
70.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
82.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.9s

Counts
71 → 71
Iterations

Useful iterations: 3 (902.0ms)

IterNodesCost
01241134
13201074
28861014
328321006
done50001006

prune292.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 11.5b

localize15.0ms

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))
2.1b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite955.0ms

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:
591.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
41.0ms
(/ beta (+ (+ alpha beta) 2.0))
46.0ms
(/ alpha (+ (+ alpha beta) 2.0))
271.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series385.0ms

Counts
4 → 12
Calls
4 calls:
108.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
86.0ms
(/ beta (+ (+ alpha beta) 2.0))
75.0ms
(/ alpha (+ (+ alpha beta) 2.0))
116.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify2.7s

Counts
123 → 123
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01931936
14481814
212421730
343301698
done50001686

prune399.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.1b

localize27.0ms

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))
2.1b
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
2.1b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite1.2s

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:
528.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
43.0ms
(/ alpha (+ (+ alpha beta) 2.0))
446.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
224.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series355.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
64.0ms
(/ alpha (+ (+ alpha beta) 2.0))
96.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
89.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.5s

Counts
103 → 103
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01541383
13231283
27941168
322011156
done50001155

prune359.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 2.1b

localize22.0ms

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))
2.1b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite314.0ms

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:
17.0ms
(cbrt (+ (+ alpha beta) 2.0))
22.0ms
(cbrt (+ (+ alpha beta) 2.0))
19.0ms
(cbrt (+ (+ alpha beta) 2.0))
253.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series500.0ms

Counts
4 → 12
Calls
4 calls:
126.0ms
(cbrt (+ (+ alpha beta) 2.0))
145.0ms
(cbrt (+ (+ alpha beta) 2.0))
129.0ms
(cbrt (+ (+ alpha beta) 2.0))
100.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.4s

Counts
72 → 72
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01201076
12821043
2675977
31727888
done5001863

prune702.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.1b

regimes246.0ms

Accuracy

98.5% (0.2b remaining)

Error of 3.1b against oracle of 2.9b and baseline of 15.7b

bsearch2.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02852
13152
done3152

end0.0ms

sample1.1s

Algorithm
intervals
Results
259.0ms5855×body80valid
189.0ms901×body1280valid
149.0ms8000×pre80true
114.0ms685×body640valid
52.0ms375×body320valid
20.0ms184×body160valid