Details

Time bar (total: 10.7s)

sample78.0ms

Algorithm
intervals
Results
25.0ms62×body1280valid
14.0ms272×body80nan
11.0ms40×body640valid
10.0ms123×body80valid
4.0ms19×body320valid
1.0ms12×body160valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.1b

localize16.0ms

Local error

Found 2 expressions with local error:

2.6b
(log (+ N 1))
4.4b
(- (log (+ N 1)) (log N))

rewrite13.0ms

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-+ insert-posit16 distribute-lft-out add-log-exp
sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
2 → 43
Calls
2 calls:
3.0ms
(log (+ N 1))
10.0ms
(- (log (+ N 1)) (log N))

series103.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(log (+ N 1))
82.0ms
(- (log (+ N 1)) (log N))

simplify1.2s

Counts
49 → 49
Iterations
IterNodes
done5000
32367
2571
1211
097

prune215.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize23.0ms

Local error

Found 4 expressions with local error:

0.1b
(* N (* N N))
0.4b
(/ 1/3 (* N (* N N)))
0.7b
(/ 1/2 (* N N))
11.4b
(- (/ 1/3 (* N (* N N))) (/ 1/2 (* N N)))

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
23×add-cbrt-cube add-exp-log
18×pow1
14×add-sqr-sqrt
13×*-un-lft-identity
times-frac add-cube-cbrt
prod-exp cbrt-unprod
associate-/l* add-log-exp
cbrt-undiv div-exp pow-prod-up
insert-posit16
associate-*l* pow-prod-down
clear-num associate-/r* frac-2neg div-inv distribute-lft-out-- difference-of-squares
pow2 sub-neg pow-plus flip3-- diff-log cube-unmult associate-*r* pow-sqr *-commutative frac-sub flip-- unswap-sqr
Counts
4 → 89
Calls
4 calls:
13.0ms
(* N (* N N))
14.0ms
(/ 1/3 (* N (* N N)))
6.0ms
(/ 1/2 (* N N))
78.0ms
(- (/ 1/3 (* N (* N N))) (/ 1/2 (* N N)))

series297.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(* N (* N N))
58.0ms
(/ 1/3 (* N (* N N)))
47.0ms
(/ 1/2 (* N N))
137.0ms
(- (/ 1/3 (* N (* N N))) (/ 1/2 (* N N)))

simplify1.4s

Counts
101 → 101
Iterations
IterNodes
done5000
22212
1385
0137

prune316.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize23.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1) N)
4.8b
(log (/ (+ N 1) N))

rewrite35.0ms

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 insert-posit16 div-inv add-log-exp associate-/l/
cbrt-undiv log-div clear-num frac-2neg flip3-+ log-pow flip-+
Counts
2 → 62
Calls
2 calls:
26.0ms
(/ (+ N 1) N)
7.0ms
(log (/ (+ N 1) N))

series118.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(/ (+ N 1) N)
51.0ms
(log (/ (+ N 1) N))

simplify839.0ms

Counts
68 → 68
Iterations
IterNodes
done5001
2987
1234
0102

prune220.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (/ (+ N 1) N))
0.1b
(sqrt (/ (+ N 1) N))
4.6b
(log (sqrt (/ (+ N 1) N)))
4.6b
(log (sqrt (/ (+ N 1) N)))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
64×sqrt-prod
62×*-un-lft-identity
50×times-frac
44×add-sqr-sqrt
38×log-prod add-cube-cbrt
12×distribute-lft-out
10×pow1
add-exp-log log-pow
rem-sqrt-square sqrt-pow1 add-cbrt-cube pow1/2 sqrt-div insert-posit16 div-inv add-log-exp
log-div rem-log-exp
Counts
4 → 122
Calls
4 calls:
11.0ms
(sqrt (/ (+ N 1) N))
11.0ms
(sqrt (/ (+ N 1) N))
8.0ms
(log (sqrt (/ (+ N 1) N)))
8.0ms
(log (sqrt (/ (+ N 1) N)))

series346.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(sqrt (/ (+ N 1) N))
58.0ms
(sqrt (/ (+ N 1) N))
103.0ms
(log (sqrt (/ (+ N 1) N)))
128.0ms
(log (sqrt (/ (+ N 1) N)))

simplify1.0s

Counts
134 → 134
Iterations
IterNodes
done5001
31444
2449
1202
0124

prune595.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes59.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 30.6b

bsearch43.0ms

Steps
ItersRangePoint
6
3173.18146809654
23716.851585869685
11332.770353358372

simplify5.0ms

Iterations
IterNodes
done24
124
019

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.4s1790×body1280valid
563.0ms8083×body80nan
510.0ms1270×body640valid
482.0ms4031×body80valid
225.0ms606×body320valid
57.0ms303×body160valid