Details

Time bar (total: 17.0s)

sample69.0ms

Algorithm
intervals
Results
15.0ms178×body80valid
13.0ms29×body640valid
13.0ms31×body1280valid
10.0ms256×pre80true
2.0ms11×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

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.5b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.8b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite211.0ms

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:
47.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
160.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series153.0ms

Counts
2 → 6
Calls
2 calls:
61.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
91.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.1s

Counts
108 → 108
Iterations
IterNodes
done2016
32016
21170
1342
0130

prune400.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 17.6b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
0.0b
(/ beta (+ (+ alpha beta) 2.0))
1.8b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite1.4s

Algorithm
rewrite-expression-head
Rules
215×*-un-lft-identity
118×add-sqr-sqrt
116×times-frac
93×add-cube-cbrt
63×prod-diff
60×distribute-lft-out
21×fma-neg
13×associate-/r* associate-/l* distribute-lft-out--
12×associate-/r/
10×add-cbrt-cube add-exp-log difference-of-squares
div-inv
flip3-+ flip-+ add-log-exp
expm1-log1p-u pow1 insert-posit16 log1p-expm1-u associate-/l/
cbrt-undiv clear-num frac-2neg flip3-- div-exp flip--
frac-sub
sub-neg diff-log div-sub
Counts
4 → 233
Calls
4 calls:
43.0ms
(/ alpha (+ (+ alpha beta) 2.0))
1.1s
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
33.0ms
(/ beta (+ (+ alpha beta) 2.0))
222.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series355.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(/ alpha (+ (+ alpha beta) 2.0))
95.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
74.0ms
(/ beta (+ (+ alpha beta) 2.0))
119.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.1s

Counts
245 → 245
Iterations
IterNodes
done2000
22000
1744
0312

prune1.2s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.2b

localize60.0ms

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))
1.8b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite227.0ms

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:
10.0ms
(cbrt (+ (+ alpha beta) 2.0))
10.0ms
(cbrt (+ (+ alpha beta) 2.0))
10.0ms
(cbrt (+ (+ alpha beta) 2.0))
193.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series456.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(cbrt (+ (+ alpha beta) 2.0))
150.0ms
(cbrt (+ (+ alpha beta) 2.0))
109.0ms
(cbrt (+ (+ alpha beta) 2.0))
82.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.3s

Counts
168 → 168
Iterations
IterNodes
done2003
32003
21186
1472
0206

prune1.0s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.2b

localize42.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.9b
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
1.8b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
7.8b
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

rewrite706.0ms

Algorithm
rewrite-expression-head
Rules
206×*-un-lft-identity
129×add-sqr-sqrt
124×times-frac
94×add-cube-cbrt
63×prod-diff
50×log-prod
48×distribute-lft-out
25×exp-sum
21×fma-neg
19×distribute-lft-out--
14×difference-of-squares
10×associate-/r/
add-exp-log
div-inv
pow1 add-cbrt-cube add-log-exp
associate-/r* flip3-+ flip-+
expm1-log1p-u exp-prod insert-posit16 log1p-expm1-u
associate-/l*
log-div div-exp rem-log-exp log-pow
cbrt-undiv clear-num sub-neg frac-2neg flip3-- exp-diff diff-log flip-- rem-exp-log
Counts
4 → 222
Calls
4 calls:
36.0ms
(/ beta (+ (+ alpha beta) 2.0))
248.0ms
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
197.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
220.0ms
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

series507.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(/ beta (+ (+ alpha beta) 2.0))
97.0ms
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
113.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
224.0ms
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

simplify1.6s

Counts
234 → 234
Iterations
IterNodes
done2003
32003
21916
1771
0361

prune1.1s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.2b

regimes233.0ms

Accuracy

76.3% (3.0b remaining)

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

bsearch122.0ms

Steps
ItersRangePoint
9
2224838044.2478166
1531887432751931.0
139510554198006.0

simplify14.0ms

Iterations
IterNodes
done43
243
141
035

end0.0ms

sample2.1s

Algorithm
intervals
Results
567.0ms5866×body80valid
415.0ms385×body320valid
324.0ms816×body1280valid
305.0ms8000×pre80true
257.0ms734×body640valid
63.0ms199×body160valid