Details

Time bar (total: 24.7s)

sample45.0ms

Algorithm
intervals
Results
11.0ms183×body80valid
7.0ms256×pre80true
6.0ms23×body1280valid
6.0ms25×body640valid
3.0ms19×body320valid
1.0msbody160valid

simplify1.5s

Counts
1 → 1
Iterations
IterNodes
done2002
182002
171985
161722
151474
141236
13995
12795
11669
10582
9467
8348
7290
6209
5124
469
350
233
120
010

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.3b

localize25.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.3b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite262.0ms

Algorithm
rewrite-expression-head
Rules
104×*-un-lft-identity
50×times-frac
47×add-sqr-sqrt
34×distribute-lft-out
31×fma-def
25×add-cube-cbrt
11×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-cbrt-cube add-exp-log associate-/r/ add-log-exp
flip3-+ flip-+
expm1-log1p-u pow1 div-sub insert-posit16 log1p-expm1-u div-inv associate-/l/
cbrt-undiv +-commutative clear-num sum-log frac-2neg flip3-- div-exp associate-+l- flip--
Counts
2 → 102
Calls
2 calls:
60.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
198.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series172.0ms

Counts
2 → 6
Calls
2 calls:
83.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
89.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.2s

Counts
108 → 108
Iterations
IterNodes
done2016
32016
21170
1342
0130

prune910.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 16.5b

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
2.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite1.6s

Algorithm
rewrite-expression-head
Rules
514×*-un-lft-identity
350×add-sqr-sqrt
273×times-frac
252×prod-diff
215×add-cube-cbrt
138×distribute-lft-out
65×associate--r+
54×difference-of-squares
42×fma-neg
37×distribute-lft-out--
30×associate-/r/
16×div-inv
15×flip3-+ flip-+
11×add-log-exp
10×associate-/l*
associate-/r* add-cbrt-cube add-exp-log
flip3-- flip--
expm1-log1p-u pow1 diff-log frac-sub insert-posit16 log1p-expm1-u associate-/l/
sub-neg
cbrt-undiv clear-num frac-2neg div-exp
div-sub associate--r-
Counts
4 → 428
Calls
4 calls:
938.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
22.0ms
(/ alpha (+ (+ alpha beta) 2.0))
493.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
174.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series319.0ms

Counts
4 → 12
Calls
4 calls:
88.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
68.0ms
(/ alpha (+ (+ alpha beta) 2.0))
80.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
82.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.4s

Counts
440 → 440
Iterations
IterNodes
done2003
22003
11121
0456

prune5.4s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.9b

localize57.0ms

Local error

Found 4 expressions with local error:

2.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
7.8b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.8b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.8b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite223.0ms

Algorithm
rewrite-expression-head
Rules
195×*-un-lft-identity
106×times-frac
93×add-sqr-sqrt
88×add-cube-cbrt
63×cbrt-prod prod-diff distribute-lft-out
21×fma-neg
14×associate-/r/
flip3-+ flip-+ div-inv
add-log-exp
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
cbrt-div pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 201
Calls
4 calls:
179.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
19.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
10.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
11.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

series750.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
207.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
214.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
230.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify1.1s

Counts
213 → 213
Iterations
IterNodes
done2012
32012
21334
1523
0243

prune2.7s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 2.9b

localize66.0ms

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))
2.3b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite296.0ms

Algorithm
rewrite-expression-head
Rules
141×*-un-lft-identity
69×add-sqr-sqrt
64×add-cube-cbrt
63×prod-diff
61×times-frac
45×distribute-lft-out
21×fma-neg
15×cbrt-prod
associate-/r/
flip3-+ flip-+
cbrt-div add-log-exp
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u div-inv
pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 156
Calls
4 calls:
19.0ms
(cbrt (+ (+ alpha beta) 2.0))
20.0ms
(cbrt (+ (+ alpha beta) 2.0))
19.0ms
(cbrt (+ (+ alpha beta) 2.0))
234.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series476.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(cbrt (+ (+ alpha beta) 2.0))
112.0ms
(cbrt (+ (+ alpha beta) 2.0))
131.0ms
(cbrt (+ (+ alpha beta) 2.0))
113.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.1s

Counts
168 → 168
Iterations
IterNodes
done2003
32003
21186
1472
0206

prune2.5s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.9b

regimes177.0ms

Accuracy

73.1% (3.4b remaining)

Error of 6.4b against oracle of 3.0b and baseline of 15.7b

bsearch73.0ms

Steps
ItersRangePoint
6
2.0302490555836575e+26
1.0361079584824738e+27
2.1159100932126255e+26

simplify7.0ms

Iterations
IterNodes
done39
139
036

end0.0ms

sample2.3s

Algorithm
intervals
Results
655.0ms5837×body80valid
423.0ms873×body1280valid
398.0ms384×body320valid
351.0ms8000×pre80true
230.0ms679×body640valid
38.0ms227×body160valid