Details

Time bar (total: 1.0m)

sample254.0ms

Algorithm
intervals
Results
75.0ms99×body1280valid
29.0ms52×body640valid
28.0ms30×body640nan
19.0ms23×body1280nan
14.0ms28×body10240exit
14.0ms144×body80valid
13.0ms173×body80nan
12.0ms34×body320valid
4.0ms10×body320nan
3.0ms12×body160valid
1.0msbody160nan

simplify979.0ms

Counts
1 → 1
Iterations
IterNodes
done5000
51231
4238
381
234
117
08

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.3b

localize29.0ms

Local error

Found 3 expressions with local error:

0.8b
(pow x (/ 1.0 n))
1.2b
(pow (+ x 1.0) (/ 1.0 n))
2.2b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite123.0ms

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:
3.0ms
(pow x (/ 1.0 n))
10.0ms
(pow (+ x 1.0) (/ 1.0 n))
107.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series577.0ms

Counts
3 → 9
Calls
3 calls:
88.0ms
(pow x (/ 1.0 n))
188.0ms
(pow (+ x 1.0) (/ 1.0 n))
300.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify1.1s

Counts
88 → 88
Iterations
IterNodes
done5001
22073
1544
0189

prune520.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 20.2b

localize38.0ms

Local error

Found 4 expressions with local error:

0.8b
(pow x (/ 1.0 n))
1.2b
(pow (+ 1.0 x) (/ 1.0 n))
2.2b
(log (exp (- (pow (+ 1.0 x) (/ 1.0 n)) (pow x (/ 1.0 n)))))
2.2b
(- (pow (+ 1.0 x) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite374.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
38×*-un-lft-identity
27×unpow-prod-down
26×pow-unpow
22×add-cube-cbrt
18×times-frac difference-of-squares
16×log-pow
15×exp-prod
14×sqr-pow
pow1
add-exp-log distribute-lft-out-- add-log-exp
log-prod
add-cbrt-cube
distribute-lft-out
pow-to-exp sub-neg pow-pow exp-sum pow-exp div-inv
log-div flip3-- exp-diff diff-log rem-log-exp flip--
Counts
4 → 109
Calls
4 calls:
3.0ms
(pow x (/ 1.0 n))
14.0ms
(pow (+ 1.0 x) (/ 1.0 n))
238.0ms
(log (exp (- (pow (+ 1.0 x) (/ 1.0 n)) (pow x (/ 1.0 n)))))
115.0ms
(- (pow (+ 1.0 x) (/ 1.0 n)) (pow x (/ 1.0 n)))

series1.0s

Counts
4 → 12
Calls
4 calls:
74.0ms
(pow x (/ 1.0 n))
177.0ms
(pow (+ 1.0 x) (/ 1.0 n))
374.0ms
(log (exp (- (pow (+ 1.0 x) (/ 1.0 n)) (pow x (/ 1.0 n)))))
400.0ms
(- (pow (+ 1.0 x) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify1.2s

Counts
121 → 121
Iterations
IterNodes
done5000
22304
1629
0234

prune813.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 20.2b

localize57.0ms

Local error

Found 4 expressions with local error:

2.2b
(log (exp (* (* (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))) (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))) (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))))))
2.2b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
2.2b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
2.2b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite279.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
30×unpow-prod-down
27×difference-of-squares
26×*-un-lft-identity
18×sqr-pow
11×add-log-exp
distribute-lft-out--
pow1 add-cube-cbrt
add-cbrt-cube add-exp-log
log-prod sub-neg flip3-- diff-log log-pow flip-- distribute-lft-out
exp-prod exp-to-pow rem-log-exp
Counts
4 → 86
Calls
4 calls:
6.0ms
(log (exp (* (* (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))) (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))) (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))))))
82.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
75.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
111.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series1.7s

Counts
4 → 12
Calls
4 calls:
447.0ms
(log (exp (* (* (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))) (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))) (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))))))
365.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
413.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
445.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify2.0s

Counts
98 → 98
Iterations
IterNodes
done5001
34030
2754
1248
0114

prune754.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 20.2b

localize113.0ms

Local error

Found 4 expressions with local error:

2.2b
(log (exp (* (* (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))) (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))) (cbrt (* (+ (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2))) (- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2))))))))
2.2b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
2.2b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
3.4b
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2)))

rewrite264.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
30×difference-of-squares
27×unpow-prod-down
21×*-un-lft-identity
19×sqr-pow
11×add-log-exp
sqrt-prod
distribute-lft-out--
pow1 add-cube-cbrt
add-cbrt-cube add-exp-log
log-prod sub-neg flip3-- diff-log log-pow flip--
distribute-lft-out
exp-prod exp-to-pow rem-log-exp
Counts
4 → 87
Calls
4 calls:
3.0ms
(log (exp (* (* (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))) (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))) (cbrt (* (+ (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2))) (- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2))))))))
79.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
83.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
96.0ms
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2)))

series39.0s

Counts
4 → 12
Calls
4 calls:
37.7s
(log (exp (* (* (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))) (cbrt (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))) (cbrt (* (+ (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2))) (- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2))))))))
366.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
366.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
522.0ms
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2)))

simplify485.0ms

Counts
99 → 99
Iterations
IterNodes
done5000
11057
0359

prune1.1s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 20.1b

regimes357.0ms

Accuracy

80.9% (1.7b remaining)

Error of 22.0b against oracle of 20.3b and baseline of 29.1b

bsearch1.0ms

simplify7.0ms

Iterations
IterNodes
done58
258
156
044

end0.0ms

sample8.0s

Algorithm
intervals
Results
2.4s3156×body1280valid
1.1s1213×body10240exit
950.0ms1585×body640valid
808.0ms4883×body80valid
489.0ms641×body1280nan
425.0ms5247×body80nan
373.0ms677×body640nan
311.0ms837×body320valid
111.0ms378×body320nan
110.0ms204×body160nan
97.0ms467×body160valid