Details

Time bar (total: 30.9s)

sample193.0ms

Algorithm
intervals
Results
70.0ms107×body1280valid
20.0ms43×body640valid
20.0ms36×body10240exit
16.0ms26×body1280nan
12.0ms166×body80valid
10.0ms21×body640nan
8.0ms157×body80nan
7.0ms26×body320valid
4.0ms12×body320nan
2.0ms11×body160valid
1.0msbody160nan

simplify3.1s

Counts
1 → 1
Iterations
IterNodes
done5004
62902
5690
4225
381
234
117
08

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.2b

localize15.0ms

Local error

Found 3 expressions with local error:

0.5b
(pow (+ x 1.0) (/ 1.0 n))
0.5b
(pow x (/ 1.0 n))
0.8b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite118.0ms

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))
94.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series617.0ms

Counts
3 → 9
Calls
3 calls:
163.0ms
(pow (+ x 1.0) (/ 1.0 n))
68.0ms
(pow x (/ 1.0 n))
386.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify3.1s

Counts
88 → 88
Iterations
IterNodes
done5001
34858
21379
1520
0189

prune532.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 18.1b

localize43.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (/ 1.0 n))
0.6b
(cbrt (/ 1.0 n))
0.7b
(pow x (* (cbrt (/ 1.0 n)) (cbrt (/ 1.0 n))))
1.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow (pow x (* (cbrt (/ 1.0 n)) (cbrt (/ 1.0 n)))) (cbrt (/ 1.0 n))))

rewrite116.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
26×cbrt-prod
21×*-un-lft-identity
20×unpow-prod-down
19×add-cube-cbrt
18×times-frac
15×difference-of-squares
12×sqr-pow
add-log-exp
pow1 add-exp-log
add-cbrt-cube
cbrt-div pow1/3 div-inv
pow-to-exp pow-unpow sub-neg pow-pow flip3-- diff-log pow-exp flip-- distribute-lft-out--
Counts
4 → 87
Calls
4 calls:
4.0ms
(cbrt (/ 1.0 n))
3.0ms
(cbrt (/ 1.0 n))
3.0ms
(pow x (* (cbrt (/ 1.0 n)) (cbrt (/ 1.0 n))))
99.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow (pow x (* (cbrt (/ 1.0 n)) (cbrt (/ 1.0 n)))) (cbrt (/ 1.0 n))))

series1.5s

Counts
4 → 12
Calls
4 calls:
266.0ms
(cbrt (/ 1.0 n))
269.0ms
(cbrt (/ 1.0 n))
268.0ms
(pow x (* (cbrt (/ 1.0 n)) (cbrt (/ 1.0 n))))
725.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow (pow x (* (cbrt (/ 1.0 n)) (cbrt (/ 1.0 n)))) (cbrt (/ 1.0 n))))

simplify2.3s

Counts
99 → 99
Iterations
IterNodes
done5030
33779
21110
1445
0204

prune699.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 18.1b

localize67.0ms

Local error

Found 4 expressions with local error:

0.5b
(pow x (/ 1.0 n))
0.8b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
0.8b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
0.8b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite283.0ms

Algorithm
rewrite-expression-head
Rules
48×add-sqr-sqrt
33×unpow-prod-down *-un-lft-identity
27×difference-of-squares
19×sqr-pow
13×pow-unpow
12×add-cube-cbrt
10×add-log-exp
times-frac distribute-lft-out--
pow1 add-exp-log
add-cbrt-cube
sub-neg flip3-- diff-log flip-- distribute-lft-out
pow-to-exp pow-pow pow-exp div-inv
Counts
4 → 99
Calls
4 calls:
3.0ms
(pow x (/ 1.0 n))
73.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
87.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
115.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series1.2s

Counts
4 → 12
Calls
4 calls:
93.0ms
(pow x (/ 1.0 n))
360.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
407.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
355.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify2.7s

Counts
111 → 111
Iterations
IterNodes
done5007
34060
21162
1429
0162

prune937.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 18.1b

localize121.0ms

Local error

Found 4 expressions with local error:

0.5b
(pow x (/ 1.0 n))
0.8b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
0.8b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
1.3b
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2)))

rewrite270.0ms

Algorithm
rewrite-expression-head
Rules
53×add-sqr-sqrt
30×unpow-prod-down difference-of-squares
28×*-un-lft-identity
20×sqr-pow
13×pow-unpow
12×add-cube-cbrt
10×add-log-exp
times-frac sqrt-prod
distribute-lft-out--
pow1 add-exp-log
add-cbrt-cube
sub-neg flip3-- diff-log flip--
distribute-lft-out
pow-to-exp pow-pow pow-exp div-inv
Counts
4 → 100
Calls
4 calls:
3.0ms
(pow x (/ 1.0 n))
86.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
81.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
95.0ms
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2)))

series1.5s

Counts
4 → 12
Calls
4 calls:
94.0ms
(pow x (/ 1.0 n))
456.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
391.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
567.0ms
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2)))

simplify1.6s

Counts
112 → 112
Iterations
IterNodes
done5000
21636
1581
0222

prune1.1s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 18.1b

regimes375.0ms

Accuracy

85.4% (1.3b remaining)

Error of 21.9b against oracle of 20.6b and baseline of 29.6b

bsearch1.0ms

simplify10.0ms

Iterations
IterNodes
done51
151
044

end0.0ms

sample8.4s

Algorithm
intervals
Results
2.6s3156×body1280valid
1.0s1567×body640valid
833.0ms4974×body80nan
828.0ms1154×body10240exit
817.0ms848×body320valid
556.0ms597×body1280nan
493.0ms4664×body80valid
351.0ms654×body640nan
136.0ms450×body160valid
129.0ms385×body320nan
33.0ms189×body160nan