Details

Time bar (total: 15.0s)

sample33.0ms

Algorithm
intervals
Results
7.0ms189×body80valid
5.0ms29×body1280valid
4.0ms256×pre80true
3.0ms24×body640valid
1.0ms10×body320valid
0.0msbody160valid

simplify552.0ms

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: 15.9b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.2b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite342.0ms

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:
53.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
285.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series135.0ms

Counts
2 → 6
Calls
2 calls:
64.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
71.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.8s

Counts
71 → 71
Iterations

Useful iterations: 3 (875.0ms)

IterNodesCost
01241134
13201074
28861014
328321006
done50001006

prune175.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 15.4b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
1.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite324.0ms

Algorithm
rewrite-expression-head
Rules
65×*-un-lft-identity
31×times-frac
28×add-sqr-sqrt
24×distribute-lft-out
23×add-cube-cbrt
10×associate-/r*
add-exp-log add-cbrt-cube
associate-/l*
add-log-exp
associate-/r/
pow1
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
3 → 89
Calls
3 calls:
40.0ms
(/ beta (+ (+ alpha beta) 2.0))
66.0ms
(/ alpha (+ (+ alpha beta) 2.0))
212.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series240.0ms

Counts
3 → 9
Calls
3 calls:
66.0ms
(/ beta (+ (+ alpha beta) 2.0))
73.0ms
(/ alpha (+ (+ alpha beta) 2.0))
100.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.4s

Counts
98 → 98
Iterations

Useful iterations: 3 (595.0ms)

IterNodesCost
01531237
13261164
27761090
320651082
done50011082

prune336.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 2.2b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (+ (+ alpha beta) 2.0) beta)
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.7b
(/ 1 (/ (+ (+ alpha beta) 2.0) beta))
1.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite582.0ms

Algorithm
rewrite-expression-head
Rules
182×*-un-lft-identity
148×times-frac
85×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
frac-2neg clear-num associate-/r/
rec-exp flip3-+ 1-exp flip-+ associate-/l/ difference-of-squares
sub-neg flip3-- pow-flip diff-log flip-- distribute-lft-out-- inv-pow
Counts
4 → 189
Calls
4 calls:
95.0ms
(/ (+ (+ alpha beta) 2.0) beta)
57.0ms
(/ alpha (+ (+ alpha beta) 2.0))
85.0ms
(/ 1 (/ (+ (+ alpha beta) 2.0) beta))
325.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series293.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(/ (+ (+ alpha beta) 2.0) beta)
80.0ms
(/ alpha (+ (+ alpha beta) 2.0))
83.0ms
(/ 1 (/ (+ (+ alpha beta) 2.0) beta))
101.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify2.8s

Counts
201 → 201
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
02593011
15732605
213182354
335482314
done50012314

prune524.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 2.2b

localize17.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
9.4b
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
9.4b
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
9.4b
(cbrt (/ (+ (+ alpha beta) 2.0) beta))

rewrite391.0ms

Algorithm
rewrite-expression-head
Rules
78×*-un-lft-identity
57×cbrt-prod
46×times-frac
36×add-sqr-sqrt
31×add-cube-cbrt
27×distribute-lft-out
add-log-exp
pow1 add-exp-log add-cbrt-cube
cbrt-div pow1/3 div-inv
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 99
Calls
4 calls:
298.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
31.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
25.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
28.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))

series842.0ms

Counts
4 → 12
Calls
4 calls:
146.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
209.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
237.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
251.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))

simplify1.5s

Counts
111 → 111
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01592042
13091979
26811892
316611701
done50001647

prune544.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 2.2b

regimes149.0ms

Accuracy

70.8% (3.8b remaining)

Error of 6.9b against oracle of 3.1b and baseline of 16.2b

bsearch62.0ms

Steps
ItersRangePoint
5
3.726174372304574e+36
1.2219886942032108e+37
4.960190917426964e+36

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03290
13690
done3690

end0.0ms

sample1.9s

Algorithm
intervals
Results
747.0ms864×body1280valid
362.0ms5789×body80valid
211.0ms8000×pre80true
141.0ms731×body640valid
104.0ms406×body320valid
21.0ms210×body160valid