Details

Time bar (total: 14.8s)

sample103.0ms

Algorithm
intervals
Results
28.0ms58×body1280valid
25.0ms291×body80nan
12.0ms42×body640valid
10.0ms128×body80valid
4.0ms21×body320valid
1.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.1b

localize12.0ms

Local error

Found 2 expressions with local error:

2.2b
(- (log (+ 1.0 N)) (log N))
3.2b
(log (+ 1.0 N))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
11×log-prod
add-sqr-sqrt pow1
log-pow add-cube-cbrt
log-div associate--l+ distribute-lft-out--
add-exp-log associate--r+
associate--l- flip3-+ add-cbrt-cube flip-+ distribute-lft-out add-log-exp
sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
2 → 41
Calls
2 calls:
10.0ms
(- (log (+ 1.0 N)) (log N))
6.0ms
(log (+ 1.0 N))

series199.0ms

Counts
2 → 6
Calls
2 calls:
134.0ms
(- (log (+ 1.0 N)) (log N))
65.0ms
(log (+ 1.0 N))

simplify1.4s

Counts
47 → 47
Iterations
IterNodes
done5000
32683
2637
1213
0100

prune281.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
2.3b
(log (/ (+ N 1.0) N))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
24×times-frac
19×add-sqr-sqrt add-cube-cbrt
16×log-prod
add-exp-log distribute-lft-out
add-cbrt-cube associate-/l*
pow1 associate-/r*
div-exp rem-log-exp div-inv add-log-exp associate-/l/
cbrt-undiv log-div clear-num frac-2neg flip3-+ log-pow flip-+
Counts
2 → 60
Calls
2 calls:
17.0ms
(/ (+ N 1.0) N)
5.0ms
(log (/ (+ N 1.0) N))

series180.0ms

Counts
2 → 6
Calls
2 calls:
60.0ms
(/ (+ N 1.0) N)
121.0ms
(log (/ (+ N 1.0) N))

simplify878.0ms

Counts
66 → 66
Iterations
IterNodes
done5000
21007
1243
0108

prune292.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 N) (/ (/ 0.5 N) N))
0.1b
(/ 0.3333333333333333 (pow N 3))
0.1b
(/ (/ 0.5 N) N)
13.0b
(+ (/ 0.3333333333333333 (pow N 3)) (- (/ 1.0 N) (/ (/ 0.5 N) N)))

rewrite364.0ms

Algorithm
rewrite-expression-head
Rules
130×times-frac
94×add-sqr-sqrt
93×*-un-lft-identity
73×add-cube-cbrt
16×associate-/l*
15×associate-/r*
14×add-exp-log
12×unpow-prod-down cube-prod
11×add-cbrt-cube add-log-exp
10×div-inv
div-exp distribute-lft-out-- difference-of-squares
cube-mult
pow1 cbrt-undiv unpow3 frac-add distribute-lft-out sqr-pow
associate-+r+ clear-num sum-log sub-neg frac-2neg flip3-- distribute-rgt-out-- diff-log frac-sub flip-- sub-div
pow-to-exp +-commutative associate-+r- flip3-+ pow-exp flip-+ associate-/l/
Counts
4 → 183
Calls
4 calls:
66.0ms
(- (/ 1.0 N) (/ (/ 0.5 N) N))
15.0ms
(/ 0.3333333333333333 (pow N 3))
19.0ms
(/ (/ 0.5 N) N)
256.0ms
(+ (/ 0.3333333333333333 (pow N 3)) (- (/ 1.0 N) (/ (/ 0.5 N) N)))

series239.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(- (/ 1.0 N) (/ (/ 0.5 N) N))
68.0ms
(/ 0.3333333333333333 (pow N 3))
29.0ms
(/ (/ 0.5 N) N)
50.0ms
(+ (/ 0.3333333333333333 (pow N 3)) (- (/ 1.0 N) (/ (/ 0.5 N) N)))

simplify2.8s

Counts
195 → 195
Iterations
IterNodes
done5002
24419
1801
0316

prune951.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(- 1.0 (/ 0.5 N))
0.1b
(/ 0.3333333333333333 (pow N 3))
0.1b
(* (/ 1 N) (- 1.0 (/ 0.5 N)))
13.0b
(+ (/ 0.3333333333333333 (pow N 3)) (* (/ 1 N) (- 1.0 (/ 0.5 N))))

rewrite142.0ms

Algorithm
rewrite-expression-head
Rules
54×add-sqr-sqrt
50×times-frac
43×*-un-lft-identity
37×add-cube-cbrt
18×add-exp-log
13×associate-*l*
12×associate-/r* unpow-prod-down cube-prod
11×add-cbrt-cube
add-log-exp
pow1 associate-*r*
cube-mult sub-neg flip3-- div-exp frac-add flip--
distribute-rgt-in frac-times associate-+r+ distribute-lft-in unpow3 prod-exp associate-*r/ difference-of-squares sqr-pow
associate-/l* unswap-sqr
cbrt-undiv associate-*l/ cbrt-unprod div-inv distribute-lft-out--
pow-to-exp +-commutative rec-exp clear-num sum-log frac-2neg flip3-+ diff-log 1-exp pow-prod-down pow-exp *-commutative flip-+ distribute-lft-out
Counts
4 → 147
Calls
4 calls:
9.0ms
(- 1.0 (/ 0.5 N))
7.0ms
(/ 0.3333333333333333 (pow N 3))
77.0ms
(* (/ 1 N) (- 1.0 (/ 0.5 N)))
43.0ms
(+ (/ 0.3333333333333333 (pow N 3)) (* (/ 1 N) (- 1.0 (/ 0.5 N))))

series233.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(- 1.0 (/ 0.5 N))
40.0ms
(/ 0.3333333333333333 (pow N 3))
101.0ms
(* (/ 1 N) (- 1.0 (/ 0.5 N)))
51.0ms
(+ (/ 0.3333333333333333 (pow N 3)) (* (/ 1 N) (- 1.0 (/ 0.5 N))))

simplify2.9s

Counts
159 → 159
Iterations
IterNodes
done5002
24891
1680
0247

prune550.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes81.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 31.1b

bsearch46.0ms

Steps
ItersRangePoint
8
7.674138475383248
27544.66998078673
8020.572324824967

simplify6.0ms

Iterations
IterNodes
done29
129
024

end0.0ms

sample2.9s

Algorithm
intervals
Results
793.0ms1801×body1280valid
681.0ms4028×body80valid
505.0ms8152×body80nan
394.0ms1252×body640valid
115.0ms629×body320valid
32.0ms290×body160valid