Details

Time bar (total: 18.2s)

sample103.0ms

Algorithm
intervals
Results
46.0ms61×body640valid
17.0ms132×body80valid
11.0ms29×body320valid
8.0ms13×body1280valid
5.0ms21×body160valid

simplify610.0ms

Counts
1 → 1
Iterations
IterNodes
done475
9475
8357
7164
6102
581
465
345
235
121
010

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.4b

localize21.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (+ x 1))
0.0b
(- (/ 1 (+ x 1)) (/ 2 x))
2.8b
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

rewrite261.0ms

Algorithm
rewrite-expression-head
Rules
73×*-un-lft-identity
35×times-frac
29×add-sqr-sqrt
17×distribute-lft-out
14×distribute-lft-out--
12×add-cube-cbrt
10×add-log-exp
add-exp-log div-inv
difference-of-squares
add-cbrt-cube
pow1 associate-/r*
frac-add insert-posit16 associate-/l*
associate-+l+ sum-log sub-neg flip3-+ flip3-- diff-log div-exp associate-/r/ frac-sub flip-+ flip--
cbrt-undiv +-commutative rec-exp clear-num frac-2neg 1-exp associate-+l- pow-flip inv-pow
Counts
3 → 91
Calls
3 calls:
15.0ms
(/ 1 (+ x 1))
62.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
182.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

series198.0ms

Counts
3 → 9
Calls
3 calls:
14.0ms
(/ 1 (+ x 1))
41.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
143.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

simplify1.2s

Counts
100 → 100
Iterations
IterNodes
done2002
32002
21399
1408
0166

prune772.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.2b

localize41.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (/ 1 (+ x 1)))
0.0b
(sqrt (/ 1 (+ x 1)))
0.2b
(* (sqrt (/ 1 (+ x 1))) (sqrt (/ 1 (+ x 1))))
7.0b
(+ (- (* (sqrt (/ 1 (+ x 1))) (sqrt (/ 1 (+ x 1)))) (/ 2 x)) (/ 1 (- x 1)))

rewrite244.0ms

Algorithm
rewrite-expression-head
Rules
150×sqrt-prod
129×*-un-lft-identity
112×add-sqr-sqrt
104×times-frac
60×add-cube-cbrt
31×pow1 swap-sqr
30×sqrt-pow1
26×distribute-lft-out
21×associate-*r* associate-*l*
16×unswap-sqr
12×associate-/r/
10×pow1/2 sqrt-div pow-flip inv-pow
pow-prod-up div-inv add-log-exp
flip3-+ flip-+
rem-sqrt-square add-cbrt-cube add-exp-log
pow-prod-down frac-add pow-sqr
insert-posit16
frac-sub
frac-times associate-+l+ sum-log associate-*l/ associate-*r/
pow2 +-commutative sub-neg rem-square-sqrt pow-plus flip3-- sqrt-unprod diff-log prod-exp *-commutative associate-+l- cbrt-unprod flip--
Counts
4 → 217
Calls
4 calls:
11.0ms
(sqrt (/ 1 (+ x 1)))
13.0ms
(sqrt (/ 1 (+ x 1)))
36.0ms
(* (sqrt (/ 1 (+ x 1))) (sqrt (/ 1 (+ x 1))))
175.0ms
(+ (- (* (sqrt (/ 1 (+ x 1))) (sqrt (/ 1 (+ x 1)))) (/ 2 x)) (/ 1 (- x 1)))

series248.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(sqrt (/ 1 (+ x 1)))
55.0ms
(sqrt (/ 1 (+ x 1)))
24.0ms
(* (sqrt (/ 1 (+ x 1))) (sqrt (/ 1 (+ x 1))))
136.0ms
(+ (- (* (sqrt (/ 1 (+ x 1))) (sqrt (/ 1 (+ x 1)))) (/ 2 x)) (/ 1 (- x 1)))

simplify1.4s

Counts
229 → 229
Iterations
IterNodes
done2000
32000
21746
1608
0271

prune2.2s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize74.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (/ 1 (+ x 1)))
0.1b
(* (* (sqrt (/ 1 (+ x 1))) (sqrt 1)) x)
2.0b
(/ (+ (* (- (* (* (sqrt (/ 1 (+ x 1))) (sqrt 1)) x) (* (sqrt (+ x 1)) 2)) (- x 1)) (* (* (sqrt (+ x 1)) x) 1)) (* (* (sqrt (+ x 1)) x) (- x 1)))
9.0b
(+ (* (- (* (* (sqrt (/ 1 (+ x 1))) (sqrt 1)) x) (* (sqrt (+ x 1)) 2)) (- x 1)) (* (* (sqrt (+ x 1)) x) 1))

rewrite599.0ms

Algorithm
rewrite-expression-head
Rules
210×associate-*l/
112×sqrt-div
56×frac-add
46×flip3-+ flip-+
36×frac-times
35×flip3-- flip--
30×associate-/l/
24×frac-sub
22×*-un-lft-identity
19×add-sqr-sqrt
18×add-cbrt-cube add-exp-log sqrt-prod
17×times-frac
15×add-cube-cbrt
11×pow1
10×associate-*r/ associate-/r/
prod-exp cbrt-unprod add-log-exp
associate-+l+ insert-posit16
cbrt-undiv rem-sqrt-square sqrt-pow1 div-exp associate-*r* pow-prod-down distribute-lft-out associate-/l*
distribute-rgt-in sub-neg distribute-lft-in div-inv
+-commutative clear-num associate-/r* sum-log frac-2neg pow1/2 associate-*l* *-commutative pow-flip inv-pow
Counts
4 → 160
Calls
4 calls:
12.0ms
(sqrt (/ 1 (+ x 1)))
81.0ms
(* (* (sqrt (/ 1 (+ x 1))) (sqrt 1)) x)
348.0ms
(/ (+ (* (- (* (* (sqrt (/ 1 (+ x 1))) (sqrt 1)) x) (* (sqrt (+ x 1)) 2)) (- x 1)) (* (* (sqrt (+ x 1)) x) 1)) (* (* (sqrt (+ x 1)) x) (- x 1)))
149.0ms
(+ (* (- (* (* (sqrt (/ 1 (+ x 1))) (sqrt 1)) x) (* (sqrt (+ x 1)) 2)) (- x 1)) (* (* (sqrt (+ x 1)) x) 1))

series966.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(sqrt (/ 1 (+ x 1)))
67.0ms
(* (* (sqrt (/ 1 (+ x 1))) (sqrt 1)) x)
653.0ms
(/ (+ (* (- (* (* (sqrt (/ 1 (+ x 1))) (sqrt 1)) x) (* (sqrt (+ x 1)) 2)) (- x 1)) (* (* (sqrt (+ x 1)) x) 1)) (* (* (sqrt (+ x 1)) x) (- x 1)))
211.0ms
(+ (* (- (* (* (sqrt (/ 1 (+ x 1))) (sqrt 1)) x) (* (sqrt (+ x 1)) 2)) (- x 1)) (* (* (sqrt (+ x 1)) x) 1))

simplify1.3s

Counts
172 → 172
Iterations
IterNodes
done2001
22001
11411
0444

prune2.0s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (* (+ x 1) 2))
0.0b
(/ (+ (* (+ x -1) (- x (* (+ x 1) 2))) (* (+ x 1) x)) (* (* (+ x 1) x) (+ x -1)))
0.1b
(* (* (+ x 1) x) (+ x -1))
16.8b
(+ (* (+ x -1) (- x (* (+ x 1) 2))) (* (+ x 1) x))

rewrite121.0ms

Algorithm
rewrite-expression-head
Rules
56×associate-*l/
42×flip3-+ flip-+
32×frac-add
24×frac-times
18×add-cbrt-cube add-exp-log associate-/l/
13×flip3-- flip--
12×associate-*r/
pow1 *-un-lft-identity
add-sqr-sqrt associate-/r/ add-log-exp
add-cube-cbrt
prod-exp cbrt-unprod
associate-*r*
associate-+l+ insert-posit16
distribute-rgt-in cbrt-undiv sub-neg distribute-lft-in times-frac div-exp pow-prod-down associate-/l*
+-commutative difference-of-sqr--1 clear-num associate-/r* sum-log frac-2neg diff-log associate-*l* *-commutative div-inv distribute-lft-out
Counts
4 → 126
Calls
4 calls:
5.0ms
(- x (* (+ x 1) 2))
63.0ms
(/ (+ (* (+ x -1) (- x (* (+ x 1) 2))) (* (+ x 1) x)) (* (* (+ x 1) x) (+ x -1)))
34.0ms
(* (* (+ x 1) x) (+ x -1))
16.0ms
(+ (* (+ x -1) (- x (* (+ x 1) 2))) (* (+ x 1) x))

series197.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- x (* (+ x 1) 2))
72.0ms
(/ (+ (* (+ x -1) (- x (* (+ x 1) 2))) (* (+ x 1) x)) (* (* (+ x 1) x) (+ x -1)))
92.0ms
(* (* (+ x 1) x) (+ x -1))
2.0ms
(+ (* (+ x -1) (- x (* (+ x 1) 2))) (* (+ x 1) x))

simplify1.0s

Counts
138 → 138
Iterations
IterNodes
done2003
22003
11073
0280

prune1.4s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes66.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.3b against oracle of 0.3b and baseline of 25.9b

bsearch207.0ms

Steps
ItersRangePoint
10
186.95626557948964
3373396396890550.5
4091.211296656346
9
-24078.920296370652
-0.35383103211093586
-960.5059570047206

simplify33.0ms

Iterations
IterNodes
done58
158
037

end0.0ms

sample2.8s

Algorithm
intervals
Results
889.0ms1890×body640valid
795.0ms572×body1280valid
604.0ms4144×body80valid
300.0ms906×body320valid
102.0ms490×body160valid