Details

Time bar (total: 23.4s)

sample105.0ms

Algorithm
intervals
Results
33.0ms62×body1280valid
28.0ms243×body80nan
16.0ms42×body640valid
11.0ms123×body80valid
4.0ms19×body320valid
2.0ms10×body160valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
311
211
19
06

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.2b

localize15.0ms

Local error

Found 1 expressions with local error:

2.5b
(- (log1p N) (log N))

rewrite13.0ms

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:
12.0ms
(- (log1p N) (log N))

series97.0ms

Counts
1 → 3
Calls
1 calls:
96.0ms
(- (log1p N) (log N))

simplify1.4s

Counts
40 → 40
Iterations
IterNodes
42678
3962
2372
1184
083

prune328.0ms

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
(/ (/ 1/3 N) (* N N))
0.2b
(/ -1/2 (* N N))
0.3b
(/ 1/3 N)
11.6b
(+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N))))

rewrite123.0ms

Algorithm
rewrite-expression-head
Rules
46×times-frac
37×*-un-lft-identity
30×add-sqr-sqrt add-cube-cbrt
23×add-cbrt-cube add-exp-log
19×associate-/l*
cbrt-undiv div-exp add-log-exp
fma-def div-inv
associate-/r* distribute-lft-out
expm1-log1p-u pow1 frac-add insert-posit16 log1p-expm1-u
clear-num sum-log frac-2neg prod-exp cbrt-unprod
flip3-+ flip-+
+-commutative associate-+r+ associate-/l/
Counts
4 → 132
Calls
4 calls:
10.0ms
(/ (/ 1/3 N) (* N N))
6.0ms
(/ -1/2 (* N N))
4.0ms
(/ 1/3 N)
101.0ms
(+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N))))

series185.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(/ (/ 1/3 N) (* N N))
50.0ms
(/ -1/2 (* N N))
28.0ms
(/ 1/3 N)
35.0ms
(+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N))))

simplify1.0s

Counts
144 → 144
Iterations
IterNodes
22273
1576
0209

prune1.2s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize32.0ms

Local error

Found 4 expressions with local error:

11.6b
(+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N))))
19.2b
(cbrt (+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N)))))
19.2b
(cbrt (+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N)))))
19.2b
(cbrt (+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N)))))

rewrite250.0ms

Algorithm
rewrite-expression-head
Rules
37×*-un-lft-identity
20×distribute-lft-out
18×cbrt-prod
16×frac-add
15×cbrt-div
add-sqr-sqrt add-cube-cbrt add-log-exp
flip3-+ flip-+
fma-def
div-inv
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
sum-log times-frac pow1/3
+-commutative associate-+r+
Counts
4 → 95
Calls
4 calls:
56.0ms
(+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N))))
53.0ms
(cbrt (+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N)))))
62.0ms
(cbrt (+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N)))))
76.0ms
(cbrt (+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N)))))

series291.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N))))
77.0ms
(cbrt (+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N)))))
98.0ms
(cbrt (+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N)))))
73.0ms
(cbrt (+ (/ -1/2 (* N N)) (+ (/ 1 N) (/ (/ 1/3 N) (* N N)))))

simplify8.7s

Counts
107 → 107
Iterations
IterNodes
37585
21604
1410
0143

prune1.2s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1 N) N)
2.4b
(log (/ (+ 1 N) N))

rewrite36.0ms

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*
expm1-log1p-u div-exp rem-log-exp insert-posit16 log1p-expm1-u div-inv add-log-exp associate-/l/
cbrt-undiv log-div clear-num frac-2neg flip3-+ log-pow flip-+
Counts
2 → 66
Calls
2 calls:
27.0ms
(/ (+ 1 N) N)
8.0ms
(log (/ (+ 1 N) N))

series111.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(/ (+ 1 N) N)
45.0ms
(log (/ (+ 1 N) N))

simplify4.1s

Counts
72 → 72
Iterations
IterNodes
45667
31564
2510
1231
0106

prune624.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes43.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 30.8b

bsearch44.0ms

Steps
ItersRangePoint
9
3862.7483140020904
25612678030.77693
6613.323166361232

simplify5.0ms

Iterations
IterNodes
222
122
019

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.4s1779×body1280valid
632.0ms7976×body80nan
477.0ms4061×body80valid
461.0ms1289×body640valid
193.0ms573×body320valid
46.0ms298×body160valid