Details

Time bar (total: 25.9s)

sample271.0ms

Algorithm
intervals
Results
84.0ms97×body1280valid
37.0ms52×body640valid
34.0ms27×body320valid
21.0ms30×body10240exit
20.0ms21×body1280nan
20.0ms146×body80valid
13.0ms134×body80nan
13.0ms20×body640nan
5.0ms17×body160valid
3.0msbody320nan
1.0msbody160nan

simplify1.2s

Counts
1 → 1
Iterations
IterNodes
done2099
62099
51210
4275
389
237
119
08

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.9b

localize17.0ms

Local error

Found 3 expressions with local error:

0.7b
(pow x (/ 1 n))
1.2b
(pow (+ x 1) (/ 1 n))
2.3b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
76×*-un-lft-identity
73×unpow-prod-down
63×add-sqr-sqrt
56×prod-diff
51×add-cube-cbrt
26×pow-unpow
24×sqr-pow
18×times-frac
10×distribute-lft-out
difference-of-squares
fma-neg
pow1 add-exp-log add-log-exp
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u distribute-lft-out--
pow-to-exp pow-pow pow-exp div-inv
sub-neg flip3-- diff-log flip--
Counts
3 → 152
Calls
3 calls:
6.0ms
(pow x (/ 1 n))
14.0ms
(pow (+ x 1) (/ 1 n))
61.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series437.0ms

Counts
3 → 9
Calls
3 calls:
62.0ms
(pow x (/ 1 n))
98.0ms
(pow (+ x 1) (/ 1 n))
276.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify1.3s

Counts
161 → 161
Iterations
IterNodes
done2000
32000
21649
1651
0257

prune747.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 16.3b

localize64.0ms

Local error

Found 4 expressions with local error:

1.2b
(pow (+ x 1) (/ (/ 1 n) 2))
1.2b
(pow (+ x 1) (/ (/ 1 n) 2))
1.5b
(fma (- (pow (cbrt x) (/ 1 n))) (pow (* (cbrt x) (cbrt x)) (/ 1 n)) (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n))))
3.5b
(fma (pow (+ x 1) (/ (/ 1 n) 2)) (pow (+ x 1) (/ (/ 1 n) 2)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
132×times-frac
86×pow-unpow
80×*-un-lft-identity
76×add-sqr-sqrt add-cube-cbrt
unpow-prod-down div-inv
pow1 add-exp-log
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u add-log-exp
pow-to-exp pow-pow pow-exp fma-udef distribute-lft-out sqr-pow
Counts
4 → 144
Calls
4 calls:
10.0ms
(pow (+ x 1) (/ (/ 1 n) 2))
8.0ms
(pow (+ x 1) (/ (/ 1 n) 2))
0.0ms
(fma (- (pow (cbrt x) (/ 1 n))) (pow (* (cbrt x) (cbrt x)) (/ 1 n)) (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n))))
0.0ms
(fma (pow (+ x 1) (/ (/ 1 n) 2)) (pow (+ x 1) (/ (/ 1 n) 2)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

series1.2s

Counts
4 → 12
Calls
4 calls:
112.0ms
(pow (+ x 1) (/ (/ 1 n) 2))
127.0ms
(pow (+ x 1) (/ (/ 1 n) 2))
418.0ms
(fma (- (pow (cbrt x) (/ 1 n))) (pow (* (cbrt x) (cbrt x)) (/ 1 n)) (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n))))
526.0ms
(fma (pow (+ x 1) (/ (/ 1 n) 2)) (pow (+ x 1) (/ (/ 1 n) 2)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

simplify1.3s

Counts
156 → 156
Iterations
IterNodes
done2003
22003
1732
0257

prune1.5s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 16.2b

localize93.0ms

Local error

Found 4 expressions with local error:

1.2b
(pow (+ x 1) (/ (/ 1 n) 2))
1.2b
(pow (+ x 1) (/ (/ 1 n) 2))
1.5b
(fma (- (pow (cbrt x) (/ 1 n))) (pow (* (cbrt x) (cbrt x)) (/ 1 n)) (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n))))
3.5b
(fma (pow (+ x 1) (/ (/ 1 n) 2)) (pow (+ x 1) (/ (/ 1 n) 2)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
132×times-frac
86×pow-unpow
80×*-un-lft-identity
76×add-sqr-sqrt add-cube-cbrt
unpow-prod-down div-inv
pow1 add-exp-log
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u add-log-exp
pow-to-exp pow-pow pow-exp fma-udef distribute-lft-out sqr-pow
Counts
4 → 144
Calls
4 calls:
13.0ms
(pow (+ x 1) (/ (/ 1 n) 2))
23.0ms
(pow (+ x 1) (/ (/ 1 n) 2))
0.0ms
(fma (- (pow (cbrt x) (/ 1 n))) (pow (* (cbrt x) (cbrt x)) (/ 1 n)) (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n))))
0.0ms
(fma (pow (+ x 1) (/ (/ 1 n) 2)) (pow (+ x 1) (/ (/ 1 n) 2)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

series1.2s

Counts
4 → 12
Calls
4 calls:
147.0ms
(pow (+ x 1) (/ (/ 1 n) 2))
116.0ms
(pow (+ x 1) (/ (/ 1 n) 2))
361.0ms
(fma (- (pow (cbrt x) (/ 1 n))) (pow (* (cbrt x) (cbrt x)) (/ 1 n)) (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n))))
551.0ms
(fma (pow (+ x 1) (/ (/ 1 n) 2)) (pow (+ x 1) (/ (/ 1 n) 2)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

simplify1.3s

Counts
156 → 156
Iterations
IterNodes
done2003
22003
1732
0257

prune1.5s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 16.2b

localize33.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (/ 1 n) (log1p x))
0.7b
(pow x (/ 1 n))
2.3b
(- (exp (* (/ 1 n) (log1p x))) (pow x (/ 1 n)))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt
36×*-un-lft-identity
33×add-cube-cbrt
21×prod-diff
20×times-frac
13×pow-unpow unpow-prod-down associate-*l* add-exp-log
add-cbrt-cube
pow1
add-log-exp sqr-pow
prod-exp
expm1-log1p-u fma-neg associate-*r* insert-posit16 log1p-expm1-u difference-of-squares unswap-sqr
div-exp cbrt-unprod div-inv
pow-to-exp cbrt-undiv rec-exp sub-neg pow-pow flip3-- diff-log 1-exp pow-prod-down associate-*l/ pow-exp *-commutative flip-- distribute-lft-out--
Counts
3 → 111
Calls
3 calls:
18.0ms
(* (/ 1 n) (log1p x))
5.0ms
(pow x (/ 1 n))
36.0ms
(- (exp (* (/ 1 n) (log1p x))) (pow x (/ 1 n)))

series329.0ms

Counts
3 → 9
Calls
3 calls:
61.0ms
(* (/ 1 n) (log1p x))
67.0ms
(pow x (/ 1 n))
201.0ms
(- (exp (* (/ 1 n) (log1p x))) (pow x (/ 1 n)))

simplify1.3s

Counts
120 → 120
Iterations
IterNodes
done2001
32001
21725
1679
0265

prune611.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 16.1b

regimes497.0ms

Accuracy

75.3% (3.0b remaining)

Error of 20.7b against oracle of 17.8b and baseline of 29.8b

bsearch3.0ms

simplify30.0ms

Iterations
IterNodes
done66
266
162
049

end0.0ms

sample10.8s

Algorithm
intervals
Results
3.6s3136×body1280valid
1.3s1150×body10240exit
1.2s1607×body640valid
1.2s4762×body80valid
877.0ms839×body320valid
709.0ms595×body1280nan
616.0ms632×body640nan
539.0ms4935×body80nan
171.0ms322×body320nan
152.0ms459×body160valid
54.0ms177×body160nan