Details

Time bar (total: 35.0s)

sample300.0ms

Algorithm
intervals
Results
83.0ms91×body1280valid
43.0ms34×body10240exit
43.0ms68×body640valid
27.0ms22×body1280nan
21.0ms32×body640nan
18.0ms166×body80valid
16.0ms187×body80nan
10.0ms26×body320valid
6.0ms14×body320nan
4.0ms16×body160valid
3.0ms10×body160nan

simplify2.3s

Counts
1 → 1
Iterations
IterNodes
done5000
51210
4275
389
237
119
08

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.4b

localize19.0ms

Local error

Found 3 expressions with local error:

0.5b
(pow x (/ 1 n))
0.6b
(pow (+ x 1) (/ 1 n))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

rewrite93.0ms

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:
3.0ms
(pow x (/ 1 n))
11.0ms
(pow (+ x 1) (/ 1 n))
76.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series404.0ms

Counts
3 → 9
Calls
3 calls:
74.0ms
(pow x (/ 1 n))
97.0ms
(pow (+ x 1) (/ 1 n))
233.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify1.7s

Counts
161 → 161
Iterations
IterNodes
done5003
21649
1651
0257

prune749.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 18.5b

localize46.0ms

Local error

Found 4 expressions with local error:

0.6b
(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)))

rewrite370.0ms

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))
105.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
123.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
127.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series950.0ms

Counts
4 → 12
Calls
4 calls:
141.0ms
(pow (+ x 1) (/ 1 n))
245.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
284.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
280.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify2.6s

Counts
316 → 316
Iterations
IterNodes
done5000
34376
21287
1543
0221

prune2.0s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 18.5b

localize77.0ms

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)))
1.9b
(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))))
3.6b
(fma (sqrt (pow (+ x 1) (/ 1 n))) (sqrt (pow (+ x 1) (/ 1 n))) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

rewrite181.0ms

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:
108.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
65.0ms
(- (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))))
0.0ms
(fma (sqrt (pow (+ x 1) (/ 1 n))) (sqrt (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:
229.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
241.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
373.0ms
(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))))
591.0ms
(fma (sqrt (pow (+ x 1) (/ 1 n))) (sqrt (pow (+ x 1) (/ 1 n))) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

simplify2.8s

Counts
216 → 216
Iterations
IterNodes
done5001
21820
1638
0277

prune2.7s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 18.5b

localize119.0ms

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)))
1.9b
(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))))
3.6b
(fma (sqrt (pow (+ x 1) (/ 1 n))) (sqrt (pow (+ x 1) (/ 1 n))) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

rewrite149.0ms

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:
76.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
68.0ms
(- (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))))
0.0ms
(fma (sqrt (pow (+ x 1) (/ 1 n))) (sqrt (pow (+ x 1) (/ 1 n))) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

series1.5s

Counts
4 → 12
Calls
4 calls:
272.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
236.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
424.0ms
(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))))
542.0ms
(fma (sqrt (pow (+ x 1) (/ 1 n))) (sqrt (pow (+ x 1) (/ 1 n))) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

simplify2.9s

Counts
216 → 216
Iterations
IterNodes
done5001
21820
1638
0277

prune2.6s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 18.5b

regimes621.0ms

Accuracy

90% (1.2b remaining)

Error of 19.0b against oracle of 17.9b and baseline of 29.4b

bsearch3.0ms

simplify23.0ms

Iterations
IterNodes
done67
267
165
050

end0.0ms

sample8.3s

Algorithm
intervals
Results
3.3s3141×body1280valid
1.0s1145×body10240exit
1.0s1578×body640valid
615.0ms648×body1280nan
532.0ms4744×body80valid
394.0ms863×body320valid
389.0ms5032×body80nan
389.0ms634×body640nan
119.0ms368×body320nan
103.0ms440×body160valid
35.0ms185×body160nan