Details

Time bar (total: 15.3s)

sample60.0ms

Algorithm
intervals
Results
15.0ms182×body80valid
9.0ms26×body1280valid
9.0ms26×body640valid
9.0ms256×pre80true
4.0ms14×body320valid
1.0msbody160valid

simplify2.4s

Counts
1 → 1
Iterations
IterNodes
done3266
193266
183258
173238
163211
152704
142172
131910
121688
111244
10666
9436
8319
7275
6214
5136
473
352
234
120
010

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.5b

localize16.0ms

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)

rewrite135.0ms

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-cbrt-cube add-exp-log add-log-exp
pow1 flip3-+ div-sub associate-/r/ flip-+ insert-posit16 associate-/l/
cbrt-undiv +-commutative clear-num sum-log frac-2neg flip3-- div-exp associate-+l- div-inv flip--
Counts
2 → 67
Calls
2 calls:
39.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
95.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series165.0ms

Counts
2 → 6
Calls
2 calls:
81.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
84.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify906.0ms

Counts
73 → 73
Iterations
IterNodes
done5001
21146
1328
0126

prune261.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 16.7b

localize27.0ms

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)

rewrite539.0ms

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-cbrt-cube add-exp-log
associate-/l*
pow1 diff-log associate-/r/ insert-posit16 distribute-lft-out-- difference-of-squares
sub-neg flip3-- flip--
cbrt-undiv clear-num frac-2neg flip3-+ div-exp frac-sub flip-+ div-inv associate--r+
associate--r-
Counts
4 → 115
Calls
4 calls:
357.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
30.0ms
(/ alpha (+ (+ alpha beta) 2.0))
23.0ms
(/ beta (+ (+ alpha beta) 2.0))
128.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series329.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
61.0ms
(/ alpha (+ (+ alpha beta) 2.0))
62.0ms
(/ beta (+ (+ alpha beta) 2.0))
123.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.6s

Counts
127 → 127
Iterations
IterNodes
done5000
21624
1467
0197

prune647.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 3.1b

localize22.0ms

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)

rewrite270.0ms

Algorithm
rewrite-expression-head
Rules
92×*-un-lft-identity
48×times-frac
46×add-sqr-sqrt
34×add-cube-cbrt
33×distribute-lft-out
21×associate-*r*
19×add-exp-log
13×add-cbrt-cube
10×associate-/r*
pow1
associate-/r/ associate-/l* add-log-exp
div-exp
prod-exp insert-posit16
cbrt-undiv flip3-+ associate-*l* flip-+ div-inv 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 → 141
Calls
4 calls:
27.0ms
(/ alpha (+ (+ alpha beta) 2.0))
46.0ms
(/ 1 (+ (+ alpha beta) 2.0))
88.0ms
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
107.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series298.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(/ alpha (+ (+ alpha beta) 2.0))
44.0ms
(/ 1 (+ (+ alpha beta) 2.0))
71.0ms
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
115.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.3s

Counts
153 → 153
Iterations
IterNodes
done5001
21491
1470
0197

prune576.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.1b

localize32.0ms

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)))

rewrite538.0ms

Algorithm
rewrite-expression-head
Rules
66×*-un-lft-identity
43×add-sqr-sqrt
34×times-frac
26×add-cube-cbrt
21×associate-*r* distribute-lft-out
17×add-exp-log
11×add-cbrt-cube
pow1
log-pow
exp-prod add-log-exp
log-prod associate-/r*
div-exp prod-exp associate-/r/ insert-posit16 difference-of-squares
associate-*l* associate-/l* unswap-sqr
cbrt-undiv rec-exp sub-neg flip3-+ 1-exp exp-sum cbrt-unprod flip-+ div-inv 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 → 125
Calls
4 calls:
23.0ms
(/ 1 (+ (+ alpha beta) 2.0))
68.0ms
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
113.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
330.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series314.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(/ 1 (+ (+ alpha beta) 2.0))
55.0ms
(* beta (/ 1 (+ (+ alpha beta) 2.0)))
83.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
110.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify1.4s

Counts
137 → 137
Iterations
IterNodes
done5000
21345
1458
0192

prune681.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.1b

regimes162.0ms

Accuracy

75.9% (3.0b remaining)

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

bsearch83.0ms

Steps
ItersRangePoint
8
28342861701.492744
542402004696104.94
11629067263522.379

simplify12.0ms

Iterations
IterNodes
done38
138
031

end0.0ms

sample2.5s

Algorithm
intervals
Results
626.0ms5886×body80valid
520.0ms373×body320valid
379.0ms817×body1280valid
374.0ms732×body640valid
339.0ms8000×pre80true
68.0ms192×body160valid