Details

Time bar (total: 8.1s)

sample25.0ms

Algorithm
intervals
Results
5.0ms192×body80valid
4.0ms32×body1280valid
3.0ms256×pre80true
2.0ms17×body640valid
1.0msbody320valid
0.0msbody160valid

simplify69.0ms

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: 14.8b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.5b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite196.0ms

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

series113.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
66.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify34.0ms

Counts
71 → 71
Iterations

Useful iterations: 2 (28.0ms)

IterNodesCost
0320535
11022510
25001502
done5001502

prune147.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 14.1b

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))
2.5b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite639.0ms

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:
392.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
35.0ms
(/ alpha (+ (+ alpha beta) 2.0))
34.0ms
(/ beta (+ (+ alpha beta) 2.0))
174.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series242.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
51.0ms
(/ alpha (+ (+ alpha beta) 2.0))
52.0ms
(/ beta (+ (+ alpha beta) 2.0))
77.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify46.0ms

Counts
123 → 123
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
0450903
11596871
25002859
done5002859

prune291.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.4b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3)) (+ (* (/ alpha (+ (+ alpha beta) 2.0)) (+ (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) (* 1.0 1.0)))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
2.5b
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

rewrite1.5s

Algorithm
rewrite-expression-head
Rules
301×add-sqr-sqrt
184×times-frac
171×*-un-lft-identity
120×difference-of-squares
111×unpow-prod-down cube-prod
71×add-cube-cbrt
51×sqr-pow
36×associate-/l*
30×distribute-lft-out
25×distribute-lft-out--
11×add-exp-log add-cbrt-cube
associate-/r* associate-/r/
add-log-exp
pow1 difference-cubes
flip3-+ flip-+ div-inv
cbrt-undiv pow-unpow div-exp
flip3-- frac-2neg pow-exp clear-num flip-- associate-/l/ rem-cube-cbrt
cube-div cube-mult pow-to-exp sub-neg pow-pow diff-log unpow3 div-sub
Counts
4 → 293
Calls
4 calls:
973.0ms
(/ (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3)) (+ (* (/ alpha (+ (+ alpha beta) 2.0)) (+ (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) (* 1.0 1.0)))
36.0ms
(/ beta (+ (+ alpha beta) 2.0))
38.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
386.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

series428.0ms

Counts
4 → 12
Calls
4 calls:
185.0ms
(/ (- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3)) (+ (* (/ alpha (+ (+ alpha beta) 2.0)) (+ (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) (* 1.0 1.0)))
51.0ms
(/ beta (+ (+ alpha beta) 2.0))
76.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
115.0ms
(- (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) (pow 1.0 3))

simplify157.0ms

Counts
305 → 305
Iterations

Useful iterations: 2 (107.0ms)

IterNodesCost
010036132
142245953
250015877
done50015877

prune716.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.4b

localize28.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
0.1b
(pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3)
0.1b
(pow (/ alpha (+ (+ alpha beta) 2.0)) 6)
2.5b
(- (pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3) (pow (pow 1.0 3) 3))

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
352×unpow-prod-down
331×cube-prod
320×add-sqr-sqrt
219×*-un-lft-identity
145×times-frac
140×difference-of-squares
77×sqr-pow
72×add-cube-cbrt
63×distribute-lft-out
21×distribute-lft-out--
14×add-exp-log associate-/r/
10×pow-exp
pow-unpow
add-cbrt-cube
flip3-+ flip-+ div-inv
pow1 add-log-exp
cube-mult pow-to-exp unpow3
cube-div pow-pow div-exp rem-cube-cbrt
difference-cubes cbrt-undiv sub-neg flip3-- diff-log flip--
Counts
4 → 389
Calls
4 calls:
39.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
78.0ms
(pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3)
38.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 6)
897.0ms
(- (pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3) (pow (pow 1.0 3) 3))

series428.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 3)
124.0ms
(pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3)
98.0ms
(pow (/ alpha (+ (+ alpha beta) 2.0)) 6)
126.0ms
(- (pow (pow (/ alpha (+ (+ alpha beta) 2.0)) 3) 3) (pow (pow 1.0 3) 3))

simplify195.0ms

Counts
401 → 401
Iterations

Useful iterations: 2 (139.0ms)

IterNodesCost
010065047
145434796
250024704
done50024704

prune934.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.4b

regimes164.0ms

Accuracy

97.5% (0.3b remaining)

Error of 3.4b against oracle of 3.1b and baseline of 15.2b

bsearch2.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04330
14330
done4330

end0.0ms

sample637.0ms

Algorithm
intervals
Results
143.0ms5909×body80valid
99.0ms775×body1280valid
90.0ms8000×pre80true
74.0ms713×body640valid
29.0ms399×body320valid
10.0ms204×body160valid