Details

Time bar (total: 29.5s)

sample323.0ms

Algorithm
intervals
Results
103.0ms104×body1280valid
46.0ms36×body10240exit
38.0ms50×body640valid
35.0ms140×body80valid
24.0ms22×body1280nan
17.0ms34×body320valid
15.0ms150×body80nan
12.0ms17×body640nan
5.0ms10×body320nan
4.0msbody160valid
2.0msbody160nan

simplify1.4s

Counts
1 → 1
Iterations
IterNodes
62654
5661
4233
389
237
119
08

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.3b

localize23.0ms

Local error

Found 3 expressions with local error:

0.3b
(pow x (/ 1 n))
0.7b
(pow (+ x 1) (/ 1 n))
2.1b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

rewrite92.0ms

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))
10.0ms
(pow (+ x 1) (/ 1 n))
72.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series434.0ms

Counts
3 → 9
Calls
3 calls:
79.0ms
(pow x (/ 1 n))
117.0ms
(pow (+ x 1) (/ 1 n))
237.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify2.3s

Counts
161 → 161
Iterations
IterNodes
35158
21593
1651
0257

prune1.8s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 17.6b

localize61.0ms

Local error

Found 4 expressions with local error:

0.3b
(pow x (/ 1 n))
0.7b
(pow (+ x 1) (/ 1 n))
2.2b
(fma (- (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n))))))
4.2b
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
26×pow-unpow
22×*-un-lft-identity
20×add-sqr-sqrt add-cube-cbrt
18×times-frac
unpow-prod-down
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 div-inv sqr-pow
distribute-lft-out
Counts
4 → 83
Calls
4 calls:
3.0ms
(pow x (/ 1 n))
7.0ms
(pow (+ x 1) (/ 1 n))
0.0ms
(fma (- (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n))))))
0.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))

series841.0ms

Counts
4 → 12
Calls
4 calls:
65.0ms
(pow x (/ 1 n))
116.0ms
(pow (+ x 1) (/ 1 n))
421.0ms
(fma (- (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n))))))
239.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))

simplify1.5s

Counts
95 → 95
Iterations
IterNodes
33671
21198
1454
0177

prune1.5s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 17.6b

localize134.0ms

Local error

Found 4 expressions with local error:

2.2b
(fma (- (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n))))))
4.2b
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))
4.2b
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))
4.2b
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt fma-udef insert-posit16 log1p-expm1-u add-log-exp
Counts
4 → 44
Calls
4 calls:
0.0ms
(fma (- (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n))))))
0.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))
0.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))
0.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))

series1.1s

Counts
4 → 12
Calls
4 calls:
349.0ms
(fma (- (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))) (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n))))))
241.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))
262.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))
223.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (cbrt (pow x (/ 1 n))) (* (cbrt (pow x (/ 1 n))) (cbrt (pow x (/ 1 n)))))))

simplify1.4s

Counts
56 → 56
Iterations
IterNodes
42775
3793
2296
1150
072

prune1.1s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 17.6b

localize33.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (log1p x) n)
0.3b
(pow x (/ 1 n))
2.1b
(- (exp (/ (log1p x) n)) (pow x (/ 1 n)))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
35×*-un-lft-identity
33×add-cube-cbrt
21×prod-diff
18×times-frac
13×pow-unpow unpow-prod-down
add-exp-log
add-cbrt-cube add-log-exp sqr-pow
pow1
expm1-log1p-u associate-/r* fma-neg insert-posit16 log1p-expm1-u associate-/l* difference-of-squares
div-inv
pow-to-exp cbrt-undiv clear-num sub-neg pow-pow frac-2neg flip3-- diff-log div-exp pow-exp flip-- distribute-lft-out--
Counts
3 → 103
Calls
3 calls:
6.0ms
(/ (log1p x) n)
6.0ms
(pow x (/ 1 n))
48.0ms
(- (exp (/ (log1p x) n)) (pow x (/ 1 n)))

series396.0ms

Counts
3 → 9
Calls
3 calls:
86.0ms
(/ (log1p x) n)
99.0ms
(pow x (/ 1 n))
211.0ms
(- (exp (/ (log1p x) n)) (pow x (/ 1 n)))

simplify2.4s

Counts
112 → 112
Iterations
IterNodes
34721
21518
1578
0242

prune1.3s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 17.5b

regimes382.0ms

Accuracy

80.3% (2.4b remaining)

Error of 19.7b against oracle of 17.3b and baseline of 29.7b

bsearch3.0ms

simplify24.0ms

Iterations
IterNodes
358
258
154
044

end0.0ms

sample10.9s

Algorithm
intervals
Results
3.5s3156×body1280valid
1.5s4662×body80valid
1.4s1580×body640valid
1.2s1129×body10240exit
746.0ms627×body1280nan
675.0ms4869×body80nan
537.0ms929×body320valid
473.0ms582×body640nan
217.0ms318×body320nan
181.0ms449×body160valid
49.0ms172×body160nan