Details

Time bar (total: 9.4s)

sample67.0ms

Algorithm
intervals
Results
25.0ms66×body1280valid
10.0ms235×body80nan
9.0ms131×body80valid
7.0ms30×body640valid
4.0ms26×body320valid
0.0msbody160valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
done13
213
111
06

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.5b

localize9.0ms

Local error

Found 1 expressions with local error:

0.8b
(- (log1p N) (log N))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
12×add-sqr-sqrt prod-diff
10×add-cube-cbrt
pow1
log-pow
log-prod fma-neg associate--r+
diff-log distribute-lft-out-- add-log-exp
expm1-log1p-u log1p-udef sub-neg flip3-- add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u flip-- difference-of-squares
Counts
1 → 37
Calls
1 calls:
19.0ms
(- (log1p N) (log N))

series51.0ms

Counts
1 → 3
Calls
1 calls:
51.0ms
(- (log1p N) (log N))

simplify1.2s

Counts
40 → 40
Iterations
IterNodes
done2047
42047
31137
2403
1185
083

prune136.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize34.0ms

Local error

Found 3 expressions with local error:

0.1b
(sqrt (log1p N))
0.1b
(sqrt (log1p N))
29.9b
(fma (sqrt (log1p N)) (sqrt (log1p N)) (- (log N)))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
fma-udef
Counts
3 → 43
Calls
3 calls:
2.0ms
(sqrt (log1p N))
2.0ms
(sqrt (log1p N))
1.0ms
(fma (sqrt (log1p N)) (sqrt (log1p N)) (- (log N)))

series347.0ms

Counts
3 → 9
Calls
3 calls:
70.0ms
(sqrt (log1p N))
61.0ms
(sqrt (log1p N))
215.0ms
(fma (sqrt (log1p N)) (sqrt (log1p N)) (- (log N)))

simplify1.4s

Counts
52 → 52
Iterations
IterNodes
done2003
32003
2737
1229
0100

prune322.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize34.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma 1/3 (/ (/ 1 N) (* N N)) (/ 1 N))
0.1b
(/ (/ 1 N) (* N N))
0.2b
(/ -1/2 (* N N))
14.8b
(+ (/ -1/2 (* N N)) (fma 1/3 (/ (/ 1 N) (* N N)) (/ 1 N)))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
37×times-frac
31×add-exp-log
24×*-un-lft-identity
22×add-sqr-sqrt add-cube-cbrt
21×add-cbrt-cube
18×pow1
16×associate-/l*
14×div-exp
cbrt-undiv pow-div
fma-def
add-log-exp
prod-exp div-inv
expm1-log1p-u insert-posit16 log1p-expm1-u pow-flip inv-pow
cbrt-unprod
pow2 rec-exp clear-num associate-/r* frac-2neg pow-plus 1-exp pow-sqr pow-prod-up fma-udef
+-commutative associate-+r+ sum-log flip3-+ flip-+ distribute-lft-out associate-/l/
Counts
4 → 119
Calls
4 calls:
0.0ms
(fma 1/3 (/ (/ 1 N) (* N N)) (/ 1 N))
27.0ms
(/ (/ 1 N) (* N N))
13.0ms
(/ -1/2 (* N N))
36.0ms
(+ (/ -1/2 (* N N)) (fma 1/3 (/ (/ 1 N) (* N N)) (/ 1 N)))

series295.0ms

Counts
4 → 12
Calls
4 calls:
125.0ms
(fma 1/3 (/ (/ 1 N) (* N N)) (/ 1 N))
75.0ms
(/ (/ 1 N) (* N N))
48.0ms
(/ -1/2 (* N N))
47.0ms
(+ (/ -1/2 (* N N)) (fma 1/3 (/ (/ 1 N) (* N N)) (/ 1 N)))

simplify1.1s

Counts
131 → 131
Iterations
IterNodes
done2085
32085
21082
1445
0190

prune435.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes43.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 29.6b

bsearch58.0ms

Steps
ItersRangePoint
9
0.1386194397507998
32640636.358721357
3829.6646277712093

simplify5.0ms

Iterations
IterNodes
done21
121
018

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.6s1763×body1280valid
630.0ms8092×body80nan
554.0ms1226×body640valid
487.0ms4120×body80valid
166.0ms606×body320valid
48.0ms285×body160valid