Details

Time bar (total: 5.5s)

sample25.0ms

Algorithm
intervals
Results
4.0ms180×body80valid
3.0ms31×body1280valid
3.0ms256×pre80true
2.0ms26×body640valid
1.0ms17×body320valid
0.0msbody160valid

simplify72.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0206
1346
2526
3736
41236
51726
62246
72616
83236
94116
105326
116126
126546
136976
149226
159806
1610076
1710276
1810356
1910356
done10356

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.7b

localize8.0ms

Local error

Found 2 expressions with local error:

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

rewrite195.0ms

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:
44.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
149.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series115.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
64.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify34.0ms

Counts
71 → 71
Iterations

Useful iterations: 2 (28.0ms)

IterNodesCost
0320535
11022510
25001502
done5001502

prune145.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 16.6b

localize9.0ms

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

rewrite626.0ms

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:
384.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
34.0ms
(/ alpha (+ (+ alpha beta) 2.0))
34.0ms
(/ beta (+ (+ alpha beta) 2.0))
171.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series249.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
53.0ms
(/ alpha (+ (+ alpha beta) 2.0))
47.0ms
(/ beta (+ (+ alpha beta) 2.0))
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify46.0ms

Counts
123 → 123
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
0450903
11596871
25002859
done5002859

prune300.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 5.7b

localize13.0ms

Local error

Found 4 expressions with local error:

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

rewrite881.0ms

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:
319.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
33.0ms
(/ beta (+ (+ alpha beta) 2.0))
353.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
173.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series282.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
47.0ms
(/ beta (+ (+ alpha beta) 2.0))
81.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
80.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify134.0ms

Counts
103 → 103
Iterations

Useful iterations: 2 (28.0ms)

IterNodesCost
0347660
11103606
24865589
35002589
done5002589

prune283.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.7b

localize18.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
6.7b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
6.7b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
6.7b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite227.0ms

Algorithm
rewrite-expression-head
Rules
78×*-un-lft-identity
63×cbrt-prod
46×times-frac
36×add-sqr-sqrt
31×add-cube-cbrt
27×distribute-lft-out
associate-/r/ add-log-exp
pow1 add-exp-log add-cbrt-cube
cbrt-div flip3-+ pow1/3 flip-+ div-inv
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 105
Calls
4 calls:
168.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
20.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
17.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
17.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

series520.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
144.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
150.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
145.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify120.0ms

Counts
117 → 117
Iterations

Useful iterations: 3 (110.0ms)

IterNodesCost
03331077
18921029
24058992
35001980
done5001980

prune421.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 5.7b

regimes78.0ms

Accuracy

76.6% (3.1b remaining)

Error of 6.1b against oracle of 3.0b and baseline of 16.1b

bsearch58.0ms

Steps
ItersRangePoint
10
7.61445106428951e+17
2.9705373761200776e+32
6.566215071237633e+18

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04027
14027
done4027

end0.0ms

sample638.0ms

Algorithm
intervals
Results
140.0ms5785×body80valid
105.0ms879×body1280valid
91.0ms8000×pre80true
70.0ms741×body640valid
27.0ms406×body320valid
9.0ms189×body160valid