Details

Time bar (total: 30.2s)

sample218.0ms

Algorithm
intervals
Results
59.0ms90×body1280valid
42.0ms67×body640valid
23.0ms39×body10240exit
16.0ms172×body80valid
11.0ms14×body1280nan
10.0ms21×body640nan
10.0ms169×body80nan
10.0ms31×body320valid
4.0ms11×body320nan
2.0msbody160valid
1.0msbody160nan

simplify3.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0813
11713
23413
38113
423113
569413
6345213
done500013

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.1b

localize24.0ms

Local error

Found 3 expressions with local error:

0.8b
(pow (+ x 1.0) (/ 1.0 n))
0.8b
(pow x (/ 1.0 n))
1.8b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite186.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt
28×*-un-lft-identity
26×pow-unpow
19×add-cube-cbrt
18×times-frac
17×unpow-prod-down
difference-of-squares
sqr-pow
pow1 add-exp-log add-log-exp
add-cbrt-cube distribute-lft-out--
pow-to-exp pow-pow pow-exp div-inv distribute-lft-out
sub-neg flip3-- diff-log flip--
Counts
3 → 79
Calls
3 calls:
15.0ms
(pow (+ x 1.0) (/ 1.0 n))
5.0ms
(pow x (/ 1.0 n))
161.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series623.0ms

Counts
3 → 9
Calls
3 calls:
181.0ms
(pow (+ x 1.0) (/ 1.0 n))
92.0ms
(pow x (/ 1.0 n))
349.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify2.4s

Counts
88 → 88
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
01901337
14731246
211931206
336091183
done50001183

prune412.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 23.0b

localize35.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
0.8b
(pow (cbrt (+ x 1.0)) (/ 1.0 n))
0.8b
(pow x (/ 1.0 n))
3.0b
(- (* (pow (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (/ 1.0 n)) (pow (cbrt (+ x 1.0)) (/ 1.0 n))) (pow x (/ 1.0 n)))

rewrite211.0ms

Algorithm
rewrite-expression-head
Rules
45×*-un-lft-identity
37×add-sqr-sqrt
29×add-cube-cbrt
28×cbrt-prod
26×pow-unpow
18×times-frac
13×pow1
12×cbrt-div
10×unpow-prod-down
swap-sqr
add-exp-log
pow1/3 associate-*r* associate-*l* distribute-lft-out
flip3-+ flip-+ add-log-exp
frac-times add-cbrt-cube unswap-sqr
pow-pow
pow-to-exp associate-*r/ pow-prod-down associate-*l/ pow-exp pow-sqr pow-prod-up div-inv sqr-pow
pow2 sub-neg flip3-- pow-plus diff-log prod-exp *-commutative flip-- cbrt-unprod
Counts
4 → 124
Calls
4 calls:
79.0ms
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
23.0ms
(pow (cbrt (+ x 1.0)) (/ 1.0 n))
9.0ms
(pow x (/ 1.0 n))
90.0ms
(- (* (pow (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (/ 1.0 n)) (pow (cbrt (+ x 1.0)) (/ 1.0 n))) (pow x (/ 1.0 n)))

series2.0s

Counts
4 → 12
Calls
4 calls:
157.0ms
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
472.0ms
(pow (cbrt (+ x 1.0)) (/ 1.0 n))
111.0ms
(pow x (/ 1.0 n))
1.2s
(- (* (pow (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (/ 1.0 n)) (pow (cbrt (+ x 1.0)) (/ 1.0 n))) (pow x (/ 1.0 n)))

simplify1.6s

Counts
136 → 136
Iterations

Useful iterations: done (1.5s)

IterNodesCost
03152362
18062164
222761911
done50001879

prune637.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 22.7b

localize23.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
0.8b
(pow (cbrt (+ x 1.0)) (/ 1.0 n))
0.8b
(pow (pow x 1.0) (/ 1 n))
3.0b
(- (* (pow (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (/ 1.0 n)) (pow (cbrt (+ x 1.0)) (/ 1.0 n))) (pow (pow x 1.0) (/ 1 n)))

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
46×*-un-lft-identity
38×add-sqr-sqrt
30×add-cube-cbrt
28×cbrt-prod
26×pow-unpow
18×times-frac
17×unpow-prod-down
12×pow1 cbrt-div
add-exp-log swap-sqr
pow1/3 associate-*r* associate-*l* distribute-lft-out
flip3-+ flip-+ add-log-exp
pow-exp
frac-times add-cbrt-cube unswap-sqr
pow-to-exp pow-pow sqr-pow
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up div-inv
pow2 sub-neg flip3-- pow-plus diff-log prod-exp *-commutative flip-- cbrt-unprod
Counts
4 → 130
Calls
4 calls:
55.0ms
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
24.0ms
(pow (cbrt (+ x 1.0)) (/ 1.0 n))
16.0ms
(pow (pow x 1.0) (/ 1 n))
78.0ms
(- (* (pow (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (/ 1.0 n)) (pow (cbrt (+ x 1.0)) (/ 1.0 n))) (pow (pow x 1.0) (/ 1 n)))

series2.2s

Counts
4 → 12
Calls
4 calls:
120.0ms
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
469.0ms
(pow (cbrt (+ x 1.0)) (/ 1.0 n))
164.0ms
(pow (pow x 1.0) (/ 1 n))
1.4s
(- (* (pow (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (/ 1.0 n)) (pow (cbrt (+ x 1.0)) (/ 1.0 n))) (pow (pow x 1.0) (/ 1 n)))

simplify1.8s

Counts
142 → 142
Iterations

Useful iterations: done (1.8s)

IterNodesCost
03472555
18782335
223802057
done50011976

prune835.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 22.7b

localize42.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 0.5 (* (pow x 2) n))
0.8b
(/ (- (log x)) (pow n 2))
2.1b
(* (/ 1.0 x) (- (/ 1 n) (/ (- (log x)) (pow n 2))))
8.7b
(* (pow x 2) n)

rewrite637.0ms

Algorithm
rewrite-expression-head
Rules
137×times-frac
122×add-sqr-sqrt
89×*-un-lft-identity
70×add-cube-cbrt
46×unpow-prod-down
38×distribute-rgt-neg-in
36×distribute-lft-neg-in
29×add-exp-log
26×associate-*r*
25×pow1
21×associate-*l*
19×log-pow
18×add-cbrt-cube unpow2 sqr-pow
15×associate-/l* difference-of-squares
neg-mul-1 associate-/r*
div-exp prod-exp
unswap-sqr
distribute-lft-out--
cbrt-undiv cbrt-unprod div-inv add-log-exp
neg-sub0 distribute-rgt-in frac-times pow-to-exp distribute-lft-in div-sub associate-*r/ pow-exp
sub-neg flip3-- frac-2neg clear-num *-commutative frac-sub flip-- associate--r-
distribute-frac-neg pow-prod-down associate-*l/
Counts
4 → 246
Calls
4 calls:
18.0ms
(/ 0.5 (* (pow x 2) n))
34.0ms
(/ (- (log x)) (pow n 2))
548.0ms
(* (/ 1.0 x) (- (/ 1 n) (/ (- (log x)) (pow n 2))))
23.0ms
(* (pow x 2) n)

series392.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(/ 0.5 (* (pow x 2) n))
115.0ms
(/ (- (log x)) (pow n 2))
215.0ms
(* (/ 1.0 x) (- (/ 1 n) (/ (- (log x)) (pow n 2))))
26.0ms
(* (pow x 2) n)

simplify2.1s

Counts
258 → 258
Iterations

Useful iterations: done (2.1s)

IterNodesCost
04053726
19573385
228792963
done50002961

prune1.1s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 22.7b

regimes453.0ms

Accuracy

81.1% (1.7b remaining)

Error of 22.3b against oracle of 20.6b and baseline of 29.4b

bsearch2.0ms

simplify5.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
03596
14667
done4667

end0.0ms

sample8.8s

Algorithm
intervals
Results
2.8s3159×body1280valid
1.2s1125×body10240exit
928.0ms1602×body640valid
771.0ms882×body320valid
613.0ms635×body1280nan
522.0ms4813×body80valid
459.0ms662×body640nan
370.0ms5108×body80nan
111.0ms337×body320nan
107.0ms444×body160valid
37.0ms187×body160nan