Details

Time bar (total: 18.0s)

sample63.0ms

Algorithm
intervals
Results
23.0ms60×body640valid
13.0ms140×body80valid
7.0ms26×body320valid
7.0ms14×body1280valid
3.0ms16×body160valid

simplify555.0ms

Counts
1 → 1
Iterations
IterNodes
11157
10157
9154
8144
7128
6108
597
493
384
262
141
010

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.2b

localize35.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (+ x 1))
0.0b
(- (/ 1 (+ x 1)) (/ 2 x))
0.0b
(/ 1 (- x 1))
3.2b
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

rewrite299.0ms

Algorithm
rewrite-expression-head
Rules
98×*-un-lft-identity
58×add-sqr-sqrt
56×times-frac
25×add-cube-cbrt
18×distribute-lft-out--
17×distribute-lft-out
14×difference-of-squares
12×add-exp-log
11×associate-/r* add-log-exp
add-cbrt-cube div-inv
pow1 associate-/l*
difference-of-sqr-1 div-exp associate-/r/ insert-posit16
flip3-- frac-add flip--
cbrt-undiv rec-exp associate-+l+ clear-num sum-log sub-neg frac-2neg flip3-+ diff-log 1-exp frac-sub flip-+ pow-flip inv-pow
+-commutative associate-+l-
Counts
4 → 141
Calls
4 calls:
9.0ms
(/ 1 (+ x 1))
31.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
10.0ms
(/ 1 (- x 1))
247.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

series186.0ms

Counts
4 → 12
Calls
4 calls:
14.0ms
(/ 1 (+ x 1))
39.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
29.0ms
(/ 1 (- x 1))
103.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

simplify1.8s

Counts
153 → 153
Iterations
IterNodes
34835
21897
1869
0219

prune1.4s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.1b

localize45.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (/ 2 (pow x 5)) (/ (/ 2 x) (* x x)))
0.0b
(/ 2 (pow x 7))
0.1b
(/ 2 (pow x 5))
0.1b
(/ (/ 2 x) (* x x))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
73×times-frac
52×*-un-lft-identity
50×add-sqr-sqrt add-cube-cbrt
26×add-exp-log
24×unpow-prod-down
20×add-cbrt-cube
19×associate-/l*
15×associate-/r*
12×div-exp
cbrt-undiv sqr-pow
add-log-exp
div-inv
pow1 insert-posit16
clear-num frac-2neg
pow-to-exp pow-exp prod-exp cbrt-unprod
+-commutative sum-log flip3-+ frac-add flip-+ distribute-lft-out associate-/l/
Counts
4 → 153
Calls
4 calls:
33.0ms
(+ (/ 2 (pow x 5)) (/ (/ 2 x) (* x x)))
5.0ms
(/ 2 (pow x 7))
5.0ms
(/ 2 (pow x 5))
16.0ms
(/ (/ 2 x) (* x x))

series416.0ms

Counts
4 → 12
Calls
4 calls:
182.0ms
(+ (/ 2 (pow x 5)) (/ (/ 2 x) (* x x)))
96.0ms
(/ 2 (pow x 7))
90.0ms
(/ 2 (pow x 5))
48.0ms
(/ (/ 2 x) (* x x))

simplify653.0ms

Counts
165 → 165
Iterations
IterNodes
22399
11014
0264

prune1.4s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize31.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2 (pow x 7))
0.1b
(/ (/ (/ 2 x) x) x)
0.1b
(/ 2 (pow x 5))
0.1b
(/ (/ 2 x) x)

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
510×times-frac
262×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
62×associate-/l*
28×add-exp-log
24×unpow-prod-down div-inv
22×add-cbrt-cube
20×associate-/r*
15×div-exp
11×cbrt-undiv
sqr-pow
pow1 clear-num frac-2neg insert-posit16 add-log-exp
pow-to-exp pow-exp associate-/l/
Counts
4 → 356
Calls
4 calls:
6.0ms
(/ 2 (pow x 7))
11.0ms
(/ (/ (/ 2 x) x) x)
5.0ms
(/ 2 (pow x 5))
7.0ms
(/ (/ 2 x) x)

series205.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(/ 2 (pow x 7))
45.0ms
(/ (/ (/ 2 x) x) x)
57.0ms
(/ 2 (pow x 5))
33.0ms
(/ (/ 2 x) x)

simplify1.3s

Counts
368 → 368
Iterations
IterNodes
23707
11969
0557

prune3.6s

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2 (pow x 7))
0.1b
(/ 2 (pow x 5))
0.1b
(* (/ 1 x) (/ 2 (* x x)))
0.5b
(/ 2 (* x x))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
64×times-frac
61×add-sqr-sqrt
58×add-exp-log
49×*-un-lft-identity
47×add-cube-cbrt
34×add-cbrt-cube
24×unpow-prod-down
22×div-exp
17×prod-exp
15×associate-/r*
13×associate-*l*
11×cbrt-undiv
cbrt-unprod associate-/l*
sqr-pow
associate-*r*
pow1 unswap-sqr
div-inv
insert-posit16 add-log-exp
rec-exp clear-num frac-2neg 1-exp
pow-to-exp pow-exp
frac-times pow-prod-down associate-*l/ associate-*r/ *-commutative
Counts
4 → 171
Calls
4 calls:
5.0ms
(/ 2 (pow x 7))
5.0ms
(/ 2 (pow x 5))
31.0ms
(* (/ 1 x) (/ 2 (* x x)))
6.0ms
(/ 2 (* x x))

series226.0ms

Counts
4 → 12
Calls
4 calls:
84.0ms
(/ 2 (pow x 7))
65.0ms
(/ 2 (pow x 5))
47.0ms
(* (/ 1 x) (/ 2 (* x x)))
30.0ms
(/ 2 (* x x))

simplify625.0ms

Counts
183 → 183
Iterations
IterNodes
22423
11013
0262

prune1.9s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

regimes110.0ms

Accuracy

99.5% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 9.7b

bsearch188.0ms

Steps
ItersRangePoint
9
0.8715059566266286
7213346.136357025
124.52448790004959
9
-2698469.12756182
-0.2100461492707554
-105.47328403477972

simplify5.0ms

Iterations
IterNodes
235
135
026

end0.0ms

sample2.7s

Algorithm
intervals
Results
1.2s1872×body640valid
554.0ms4214×body80valid
356.0ms931×body320valid
318.0ms562×body1280valid
78.0ms423×body160valid