Details

Time bar (total: 11.0s)

sample23.0ms

Algorithm
intervals
Results
4.0ms190×body80valid
3.0ms28×body1280valid
3.0ms256×pre80true
2.0ms24×body640valid
0.0msbody320valid
0.0msbody160valid

simplify401.0ms

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

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.5b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.9b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite190.0ms

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:
43.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
144.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series120.0ms

Counts
2 → 6
Calls
2 calls:
53.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
67.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.3s

Counts
71 → 71
Iterations

Useful iterations: 3 (533.0ms)

IterNodesCost
01241134
13201074
28861014
328321006
done50001006

prune149.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 14.7b

localize10.0ms

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))
1.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite615.0ms

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:
379.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
33.0ms
(/ beta (+ (+ alpha beta) 2.0))
33.0ms
(/ alpha (+ (+ alpha beta) 2.0))
166.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series250.0ms

Counts
4 → 12
Calls
4 calls:
68.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
48.0ms
(/ beta (+ (+ alpha beta) 2.0))
53.0ms
(/ alpha (+ (+ alpha beta) 2.0))
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.9s

Counts
123 → 123
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01931936
14481814
212421730
343301698
done50001686

prune287.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 3.4b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (+ (+ alpha beta) 2.0) alpha)
0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.3b
(/ 1 (/ (+ (+ alpha beta) 2.0) alpha))
1.9b
(- (/ 1 (/ (+ (+ alpha beta) 2.0) alpha)) 1.0)

rewrite350.0ms

Algorithm
rewrite-expression-head
Rules
185×*-un-lft-identity
153×times-frac
94×add-sqr-sqrt
80×add-cube-cbrt
60×distribute-lft-out
27×associate-/r*
19×add-exp-log
13×add-cbrt-cube
11×associate-/l*
div-exp
div-inv
add-log-exp
pow1 cbrt-undiv difference-of-squares
frac-2neg clear-num associate-/r/
rec-exp flip3-+ 1-exp flip-+ associate-/l/ distribute-lft-out--
sub-neg flip3-- pow-flip diff-log flip-- inv-pow
Counts
4 → 193
Calls
4 calls:
68.0ms
(/ (+ (+ alpha beta) 2.0) alpha)
33.0ms
(/ beta (+ (+ alpha beta) 2.0))
40.0ms
(/ 1 (/ (+ (+ alpha beta) 2.0) alpha))
200.0ms
(- (/ 1 (/ (+ (+ alpha beta) 2.0) alpha)) 1.0)

series212.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(/ (+ (+ alpha beta) 2.0) alpha)
53.0ms
(/ beta (+ (+ alpha beta) 2.0))
48.0ms
(/ 1 (/ (+ (+ alpha beta) 2.0) alpha))
85.0ms
(- (/ 1 (/ (+ (+ alpha beta) 2.0) alpha)) 1.0)

simplify1.8s

Counts
205 → 205
Iterations

Useful iterations: 3 (934.0ms)

IterNodesCost
02633152
15822736
213282439
336052399
done50002399

prune334.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 3.4b

localize24.0ms

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))
1.9b
(- (/ 1 (/ (+ (+ alpha beta) 2.0) alpha)) 1.0)

rewrite248.0ms

Algorithm
rewrite-expression-head
Rules
27×*-un-lft-identity
21×add-sqr-sqrt
15×cbrt-prod
distribute-lft-out
add-cube-cbrt
cbrt-div times-frac add-log-exp
difference-of-squares
pow1 add-exp-log add-cbrt-cube
flip3-+ pow1/3 flip-+
distribute-lft-out--
sub-neg flip3-- diff-log flip-- div-inv
Counts
4 → 64
Calls
4 calls:
15.0ms
(cbrt (+ (+ alpha beta) 2.0))
16.0ms
(cbrt (+ (+ alpha beta) 2.0))
15.0ms
(cbrt (+ (+ alpha beta) 2.0))
199.0ms
(- (/ 1 (/ (+ (+ alpha beta) 2.0) alpha)) 1.0)

series404.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(cbrt (+ (+ alpha beta) 2.0))
107.0ms
(cbrt (+ (+ alpha beta) 2.0))
106.0ms
(cbrt (+ (+ alpha beta) 2.0))
83.0ms
(- (/ 1 (/ (+ (+ alpha beta) 2.0) alpha)) 1.0)

simplify1.3s

Counts
76 → 76
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01331217
13081180
27241106
31873973
done5000948

prune275.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 3.4b

regimes78.0ms

Accuracy

76.7% (3.0b remaining)

Error of 6.0b against oracle of 3.0b and baseline of 15.8b

bsearch69.0ms

Steps
ItersRangePoint
11
0.0002838148613743618
1.2869252738965294e+18
538664.5023162543

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03781
14281
done4281

end0.0ms

sample611.0ms

Algorithm
intervals
Results
140.0ms5846×body80valid
100.0ms859×body1280valid
90.0ms8000×pre80true
65.0ms710×body640valid
27.0ms396×body320valid
9.0ms189×body160valid