Details

Time bar (total: 51.9s)

sample299.0ms

Algorithm
intervals
Results
90.0ms99×body1280valid
37.0ms16×body160valid
34.0ms49×body640valid
22.0ms21×body1280nan
19.0ms146×body80valid
18.0ms171×body80nan
17.0ms21×body640nan
16.0ms21×body10240exit
14.0ms22×body320valid
5.0ms12×body320nan
3.0ms12×body160nan

simplify1.3s

Counts
1 → 1
Iterations
IterNodes
62679
5667
4231
387
235
117
08

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.3b

localize16.0ms

Local error

Found 3 expressions with local error:

0.5b
(pow x (/ 1 n))
1.0b
(pow (+ x 1) (/ 1 n))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

rewrite116.0ms

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:
5.0ms
(pow x (/ 1 n))
14.0ms
(pow (+ x 1) (/ 1 n))
91.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series448.0ms

Counts
3 → 9
Calls
3 calls:
92.0ms
(pow x (/ 1 n))
106.0ms
(pow (+ x 1) (/ 1 n))
249.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify6.8s

Counts
161 → 161
Iterations
IterNodes
35080
21635
1651
0257

prune1.8s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 15.8b

localize45.0ms

Local error

Found 4 expressions with local error:

1.0b
(pow (+ x 1) (/ 1 n))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

rewrite299.0ms

Algorithm
rewrite-expression-head
Rules
202×unpow-prod-down
179×*-un-lft-identity
168×prod-diff
144×add-sqr-sqrt
108×add-cube-cbrt
67×sqr-pow
28×distribute-lft-out
27×difference-of-squares
24×fma-neg
13×pow-unpow
10×add-log-exp
times-frac distribute-lft-out--
pow1 add-exp-log
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log flip--
pow-to-exp pow-pow pow-exp div-inv
Counts
4 → 304
Calls
4 calls:
8.0ms
(pow (+ x 1) (/ 1 n))
62.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
105.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
119.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series900.0ms

Counts
4 → 12
Calls
4 calls:
116.0ms
(pow (+ x 1) (/ 1 n))
247.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
267.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
269.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify2.8s

Counts
316 → 316
Iterations
IterNodes
33813
21275
1541
0221

prune4.7s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 15.8b

localize137.0ms

Local error

Found 4 expressions with local error:

1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
2.4b
(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))))
2.6b
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

rewrite222.0ms

Algorithm
rewrite-expression-head
Rules
132×unpow-prod-down
114×*-un-lft-identity
112×prod-diff
92×add-sqr-sqrt
68×add-cube-cbrt
44×sqr-pow
18×distribute-lft-out difference-of-squares
16×fma-neg
add-log-exp
distribute-lft-out--
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log fma-udef flip--
Counts
4 → 204
Calls
4 calls:
112.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
102.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
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))))
1.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

series1.6s

Counts
4 → 12
Calls
4 calls:
294.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
272.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
456.0ms
(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))))
573.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

simplify7.0s

Counts
216 → 216
Iterations
IterNodes
36805
21802
1641
0277

prune4.6s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 15.8b

localize84.0ms

Local error

Found 4 expressions with local error:

1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
1.7b
(log (exp (- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))))
2.4b
(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))))
2.6b
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

rewrite268.0ms

Algorithm
rewrite-expression-head
Rules
128×unpow-prod-down
112×*-un-lft-identity prod-diff
92×add-sqr-sqrt
68×add-cube-cbrt
61×log-prod
58×exp-sum
43×sqr-pow
18×difference-of-squares
17×distribute-lft-out
16×log-pow
15×exp-prod
fma-neg
distribute-lft-out-- add-log-exp
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
sub-neg fma-udef
log-div flip3-- exp-diff diff-log rem-log-exp flip--
Counts
4 → 202
Calls
4 calls:
112.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
146.0ms
(log (exp (- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))))
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 1 (pow (+ x 1) (/ 1 n)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

series1.4s

Counts
4 → 12
Calls
4 calls:
268.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
229.0ms
(log (exp (- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))))
390.0ms
(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))))
485.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

simplify1.6s

Counts
214 → 214
Iterations
IterNodes
22036
1822
0435

prune4.7s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 15.8b

regimes423.0ms

Accuracy

86.7% (1.5b remaining)

Error of 19.3b against oracle of 17.8b and baseline of 29.2b

bsearch2.0ms

simplify5.0ms

Iterations
IterNodes
234
134
030

end0.0ms

sample10.5s

Algorithm
intervals
Results
3.1s3153×body1280valid
2.1s1164×body10240exit
1.2s1569×body640valid
849.0ms4795×body80valid
745.0ms659×body1280nan
619.0ms5168×body80nan
603.0ms675×body640nan
414.0ms869×body320valid
156.0ms347×body320nan
152.0ms436×body160valid
49.0ms180×body160nan