Details

Time bar (total: 21.4s)

sample51.0ms

Algorithm
intervals
Results
11.0ms182×body80valid
8.0ms26×body1280valid
7.0ms256×pre80true
6.0ms26×body640valid
2.0ms14×body320valid
1.0msbody160valid

simplify4.6s

Counts
1 → 1
Iterations
IterNodes
done4445
194445
184437
174417
164272
153180
142343
131971
121789
111369
10694
9463
8341
7297
6226
5136
473
352
234
120
010

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.5b

localize26.0ms

Local error

Found 2 expressions with local error:

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

rewrite196.0ms

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:
48.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
146.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series150.0ms

Counts
2 → 6
Calls
2 calls:
63.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
86.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.1s

Counts
108 → 108
Iterations
IterNodes
done5001
21199
1342
0130

prune433.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 16.7b

localize35.0ms

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

rewrite727.0ms

Algorithm
rewrite-expression-head
Rules
512×*-un-lft-identity
328×add-sqr-sqrt
263×times-frac
252×prod-diff
213×add-cube-cbrt
150×distribute-lft-out
65×associate--r+
46×difference-of-squares
42×fma-neg
32×associate-/r/
25×distribute-lft-out--
16×flip3-+ flip-+ div-inv
11×add-log-exp
10×associate-/r*
add-cbrt-cube add-exp-log
associate-/l*
expm1-log1p-u pow1 diff-log insert-posit16 log1p-expm1-u
sub-neg flip3-- flip--
cbrt-undiv clear-num frac-2neg div-exp frac-sub
associate--r-
Counts
4 → 417
Calls
4 calls:
482.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
45.0ms
(/ alpha (+ (+ alpha beta) 2.0))
30.0ms
(/ beta (+ (+ alpha beta) 2.0))
157.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series302.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
61.0ms
(/ alpha (+ (+ alpha beta) 2.0))
52.0ms
(/ beta (+ (+ alpha beta) 2.0))
105.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify2.2s

Counts
429 → 429
Iterations
IterNodes
done5000
22770
1995
0406

prune2.0s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 3.1b

localize37.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(/ 1 (+ (+ alpha beta) 2.0))
0.1b
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
2.0b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite312.0ms

Algorithm
rewrite-expression-head
Rules
209×*-un-lft-identity
108×times-frac
103×add-sqr-sqrt
91×add-cube-cbrt
69×distribute-lft-out
63×prod-diff
21×fma-neg associate-*r*
19×add-exp-log
14×associate-/r/
13×add-cbrt-cube
10×associate-/r*
pow1 flip3-+ flip-+ div-inv
associate-/l* add-log-exp
div-exp
expm1-log1p-u prod-exp insert-posit16 log1p-expm1-u
cbrt-undiv associate-*l* unswap-sqr
rec-exp clear-num frac-2neg 1-exp cbrt-unprod difference-of-squares
sub-neg flip3-- diff-log pow-prod-down associate-*r/ un-div-inv *-commutative pow-flip flip-- distribute-lft-out-- inv-pow
Counts
4 → 233
Calls
4 calls:
35.0ms
(/ alpha (+ (+ alpha beta) 2.0))
27.0ms
(/ 1 (+ (+ alpha beta) 2.0))
82.0ms
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
164.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series279.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(/ alpha (+ (+ alpha beta) 2.0))
58.0ms
(/ 1 (+ (+ alpha beta) 2.0))
63.0ms
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
104.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.3s

Counts
245 → 245
Iterations
IterNodes
done5003
22015
1642
0267

prune1.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.1b

localize45.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (+ (+ alpha beta) 2.0))
0.1b
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
2.0b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
2.0b
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite704.0ms

Algorithm
rewrite-expression-head
Rules
276×*-un-lft-identity
148×add-sqr-sqrt
139×times-frac
131×add-cube-cbrt
126×prod-diff
84×distribute-lft-out
68×log-prod
65×exp-sum
21×fma-neg associate-*r*
18×associate-/r/
17×add-exp-log
11×add-cbrt-cube
flip3-+ flip-+ div-inv
pow1
log-pow
exp-prod add-log-exp
associate-/r*
expm1-log1p-u div-exp prod-exp insert-posit16 log1p-expm1-u difference-of-squares
associate-*l* associate-/l* unswap-sqr
cbrt-undiv rec-exp sub-neg 1-exp cbrt-unprod distribute-lft-out--
log-div clear-num frac-2neg flip3-- exp-diff diff-log rem-log-exp pow-prod-down associate-*r/ un-div-inv *-commutative pow-flip flip-- inv-pow
Counts
4 → 280
Calls
4 calls:
48.0ms
(/ 1 (+ (+ alpha beta) 2.0))
97.0ms
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
204.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
342.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series368.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(/ 1 (+ (+ alpha beta) 2.0))
76.0ms
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
120.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
108.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify1.6s

Counts
292 → 292
Iterations
IterNodes
done5001
22044
1748
0376

prune1.2s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.1b

regimes203.0ms

Accuracy

75.9% (3.0b remaining)

Error of 6.0b against oracle of 3.0b and baseline of 15.4b

bsearch107.0ms

Steps
ItersRangePoint
8
28342861701.492744
542402004696104.94
11629067263522.379

simplify10.0ms

Iterations
IterNodes
done37
137
030

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.1s5886×body80valid
386.0ms817×body1280valid
300.0ms8000×pre80true
279.0ms732×body640valid
92.0ms373×body320valid
33.0ms192×body160valid