Details

Time bar (total: 16.2s)

sample33.0ms

Algorithm
intervals
Results
6.0ms183×body80valid
4.0ms33×body640valid
4.0ms256×pre80true
3.0ms20×body1280valid
2.0ms14×body320valid
0.0msbody160valid

simplify583.0ms

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: 17.2b

localize18.0ms

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)

rewrite289.0ms

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:
65.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
219.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series156.0ms

Counts
2 → 6
Calls
2 calls:
61.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
94.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.8s

Counts
71 → 71
Iterations

Useful iterations: 3 (776.0ms)

IterNodesCost
01241134
13201074
28861014
328321006
done50001006

prune280.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 16.3b

localize12.0ms

Local error

Found 4 expressions with local error:

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

rewrite1.1s

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:
634.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
62.0ms
(/ alpha (+ (+ alpha beta) 2.0))
51.0ms
(/ beta (+ (+ alpha beta) 2.0))
299.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series344.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
53.0ms
(/ alpha (+ (+ alpha beta) 2.0))
79.0ms
(/ beta (+ (+ alpha beta) 2.0))
119.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify3.0s

Counts
123 → 123
Iterations

Useful iterations: done (3.0s)

IterNodesCost
01931936
14481814
212391730
343281698
done50001686

prune808.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.5b

localize31.0ms

Local error

Found 4 expressions with local error:

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

rewrite932.0ms

Algorithm
rewrite-expression-head
Rules
70×*-un-lft-identity
36×add-sqr-sqrt
32×times-frac
26×add-cube-cbrt
24×distribute-lft-out
10×associate-/r*
add-exp-log add-cbrt-cube
log-pow
exp-prod associate-/l* add-log-exp
pow1 log-prod
associate-/r/ difference-of-squares
cbrt-undiv sub-neg frac-2neg flip3-+ div-exp exp-sum clear-num flip-+ div-inv distribute-lft-out--
log-div flip3-- exp-diff diff-log rem-log-exp flip--
Counts
4 → 110
Calls
4 calls:
52.0ms
(/ alpha (+ (+ alpha beta) 2.0))
39.0ms
(/ beta (+ (+ alpha beta) 2.0))
548.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
289.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series388.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(/ alpha (+ (+ alpha beta) 2.0))
85.0ms
(/ beta (+ (+ alpha beta) 2.0))
130.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
98.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.5s

Counts
122 → 122
Iterations

Useful iterations: 3 (695.0ms)

IterNodesCost
01821600
13651478
28221364
321421354
done50001354

prune460.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.5b

localize45.0ms

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

rewrite287.0ms

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:
33.0ms
(cbrt (+ (+ alpha beta) 2.0))
31.0ms
(cbrt (+ (+ alpha beta) 2.0))
30.0ms
(cbrt (+ (+ alpha beta) 2.0))
190.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series600.0ms

Counts
4 → 12
Calls
4 calls:
158.0ms
(cbrt (+ (+ alpha beta) 2.0))
168.0ms
(cbrt (+ (+ alpha beta) 2.0))
142.0ms
(cbrt (+ (+ alpha beta) 2.0))
132.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.5s

Counts
72 → 72
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01201076
12821043
2675977
31727888
done5001863

prune374.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.5b

regimes186.0ms

Accuracy

76.8% (2.9b remaining)

Error of 6.0b against oracle of 3.0b and baseline of 15.6b

bsearch88.0ms

Steps
ItersRangePoint
8
976503.8483825806
50707504882.44517
45468567748.04238

simplify7.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
03672
13972
done3972

end0.0ms

sample1.4s

Algorithm
intervals
Results
413.0ms5869×body80valid
227.0ms836×body1280valid
181.0ms8000×pre80true
132.0ms691×body640valid
130.0ms405×body320valid
66.0ms199×body160valid