Details

Time bar (total: 16.5s)

sample64.0ms

Algorithm
intervals
Results
15.0ms182×body80valid
10.0ms25×body1280valid
10.0ms256×pre80true
8.0ms29×body640valid
4.0ms13×body320valid
1.0msbody160valid

simplify1.4s

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: 17.2b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.7b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite230.0ms

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:
44.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
184.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series154.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
88.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.2s

Counts
108 → 108
Iterations
IterNodes
done2016
32016
21170
1342
0130

prune432.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 16.5b

localize25.0ms

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
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
1.7b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite1.3s

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:
1.0s
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
24.0ms
(/ beta (+ (+ alpha beta) 2.0))
24.0ms
(/ alpha (+ (+ alpha beta) 2.0))
206.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series353.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
73.0ms
(/ beta (+ (+ alpha beta) 2.0))
80.0ms
(/ alpha (+ (+ alpha beta) 2.0))
93.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.3s

Counts
245 → 245
Iterations
IterNodes
done2000
22000
1744
0312

prune1.2s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 2.8b

localize32.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
1.7b
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
1.7b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite656.0ms

Algorithm
rewrite-expression-head
Rules
280×*-un-lft-identity
141×add-sqr-sqrt
137×times-frac
131×add-cube-cbrt
126×prod-diff
87×distribute-lft-out
68×log-prod
65×exp-sum
21×fma-neg
18×associate-/r/
10×associate-/r*
flip3-+ flip-+ div-inv
add-cbrt-cube add-exp-log
log-pow
exp-prod associate-/l* add-log-exp
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u difference-of-squares
cbrt-undiv clear-num sub-neg frac-2neg div-exp distribute-lft-out--
log-div flip3-- exp-diff diff-log rem-log-exp flip--
Counts
4 → 269
Calls
4 calls:
38.0ms
(/ beta (+ (+ alpha beta) 2.0))
41.0ms
(/ alpha (+ (+ alpha beta) 2.0))
365.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
205.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series365.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(/ beta (+ (+ alpha beta) 2.0))
55.0ms
(/ alpha (+ (+ alpha beta) 2.0))
132.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
108.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.2s

Counts
281 → 281
Iterations
IterNodes
done2010
32010
21756
1664
0352

prune1.1s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.8b

localize54.0ms

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))
1.7b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite168.0ms

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:
11.0ms
(cbrt (+ (+ alpha beta) 2.0))
10.0ms
(cbrt (+ (+ alpha beta) 2.0))
10.0ms
(cbrt (+ (+ alpha beta) 2.0))
133.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series447.0ms

Counts
4 → 12
Calls
4 calls:
114.0ms
(cbrt (+ (+ alpha beta) 2.0))
123.0ms
(cbrt (+ (+ alpha beta) 2.0))
120.0ms
(cbrt (+ (+ alpha beta) 2.0))
89.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.1s

Counts
168 → 168
Iterations
IterNodes
done2003
32003
21186
1472
0206

prune939.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.8b

regimes359.0ms

Accuracy

98.5% (0.2b remaining)

Error of 3.0b against oracle of 2.8b and baseline of 15.3b

bsearch3.0ms

simplify8.0ms

Iterations
IterNodes
done34
134
029

end0.0ms

sample2.3s

Algorithm
intervals
Results
616.0ms5904×body80valid
506.0ms390×body320valid
403.0ms844×body1280valid
339.0ms8000×pre80true
262.0ms656×body640valid
33.0ms206×body160valid