Details

Time bar (total: 20.6s)

sample112.0ms

Algorithm
intervals
Results
37.0ms60×body1280valid
21.0ms267×body80nan
17.0ms42×body640valid
12.0ms115×body80valid
8.0ms27×body320valid
2.0ms12×body160valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
313
213
111
06

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.7b

localize9.0ms

Local error

Found 1 expressions with local error:

3.4b
(- (log1p N) (log N))

rewrite8.0ms

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:
7.0ms
(- (log1p N) (log N))

series130.0ms

Counts
1 → 3
Calls
1 calls:
130.0ms
(- (log1p N) (log N))

simplify2.2s

Counts
40 → 40
Iterations
IterNodes
42841
3991
2370
1185
083

prune385.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (/ (/ 1 N) (* N N)) 1/3 (/ 1 N))
0.1b
(/ (/ 1 N) N)
0.1b
(/ (/ 1 N) (* N N))
10.2b
(fma (/ (/ 1 N) N) -1/2 (fma (/ (/ 1 N) (* N N)) 1/3 (/ 1 N)))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
106×times-frac
60×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
35×add-exp-log
26×associate-/l*
21×pow1 add-cbrt-cube
18×div-exp
10×pow-div
cbrt-undiv
div-inv
pow-flip inv-pow
expm1-log1p-u associate-/r* prod-exp insert-posit16 log1p-expm1-u add-log-exp
rec-exp 1-exp
pow2 clear-num frac-2neg pow-plus pow-sqr pow-prod-up cbrt-unprod fma-udef associate-/l/
Counts
4 → 160
Calls
4 calls:
1.0ms
(fma (/ (/ 1 N) (* N N)) 1/3 (/ 1 N))
16.0ms
(/ (/ 1 N) N)
10.0ms
(/ (/ 1 N) (* N N))
0.0ms
(fma (/ (/ 1 N) N) -1/2 (fma (/ (/ 1 N) (* N N)) 1/3 (/ 1 N)))

series256.0ms

Counts
4 → 12
Calls
4 calls:
129.0ms
(fma (/ (/ 1 N) (* N N)) 1/3 (/ 1 N))
30.0ms
(/ (/ 1 N) N)
59.0ms
(/ (/ 1 N) (* N N))
37.0ms
(fma (/ (/ 1 N) N) -1/2 (fma (/ (/ 1 N) (* N N)) 1/3 (/ 1 N)))

simplify4.3s

Counts
172 → 172
Iterations
IterNodes
36069
21365
1533
0235

prune1.5s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize32.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ 1 N) N)
0.1b
(* (/ (/ 1 N) N) (/ 1 N))
2.3b
(log (exp (* (/ (/ 1 N) N) (/ 1 N))))
10.2b
(fma (/ (/ 1 N) N) -1/2 (fma (log (exp (* (/ (/ 1 N) N) (/ 1 N)))) 1/3 (/ 1 N)))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
175×times-frac
133×add-sqr-sqrt
97×*-un-lft-identity
89×add-cube-cbrt
78×add-exp-log
43×associate-*l*
40×div-exp
30×add-cbrt-cube
20×prod-exp
18×pow1
15×unswap-sqr
14×div-inv
13×associate-*r* associate-/l*
12×cbrt-undiv
10×rec-exp 1-exp
cbrt-unprod pow-div
pow-flip inv-pow add-log-exp
expm1-log1p-u pow-prod-up insert-posit16 log1p-expm1-u
log-prod associate-/r* log-pow
frac-times exp-prod clear-num frac-2neg exp-to-pow rem-log-exp pow3 pow-prod-down associate-*l/ associate-*r/ un-div-inv *-commutative fma-udef associate-/l/
Counts
4 → 223
Calls
4 calls:
10.0ms
(/ (/ 1 N) N)
35.0ms
(* (/ (/ 1 N) N) (/ 1 N))
8.0ms
(log (exp (* (/ (/ 1 N) N) (/ 1 N))))
1.0ms
(fma (/ (/ 1 N) N) -1/2 (fma (log (exp (* (/ (/ 1 N) N) (/ 1 N)))) 1/3 (/ 1 N)))

series160.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(/ (/ 1 N) N)
37.0ms
(* (/ (/ 1 N) N) (/ 1 N))
60.0ms
(log (exp (* (/ (/ 1 N) N) (/ 1 N))))
29.0ms
(fma (/ (/ 1 N) N) -1/2 (fma (log (exp (* (/ (/ 1 N) N) (/ 1 N)))) 1/3 (/ 1 N)))

simplify806.0ms

Counts
235 → 235
Iterations
IterNodes
22079
1823
0288

prune2.8s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ 1 N) N)
0.1b
(/ (/ 1 N) N)
0.1b
(* (/ (/ 1 N) N) (/ 1 N))
10.2b
(fma (/ (/ 1 N) N) -1/2 (fma (* (/ (/ 1 N) N) (/ 1 N)) 1/3 (/ 1 N)))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
250×times-frac
174×add-sqr-sqrt
138×*-un-lft-identity
130×add-cube-cbrt
87×add-exp-log
46×div-exp
43×associate-*l*
35×add-cbrt-cube
26×associate-/l*
20×pow1 prod-exp
19×div-inv
15×cbrt-undiv unswap-sqr
13×associate-*r*
11×rec-exp 1-exp
pow-div
associate-/r* cbrt-unprod pow-flip inv-pow
expm1-log1p-u pow-prod-up insert-posit16 log1p-expm1-u add-log-exp
clear-num frac-2neg associate-/l/
frac-times pow3 pow-prod-down associate-*l/ associate-*r/ un-div-inv *-commutative fma-udef
Counts
4 → 283
Calls
4 calls:
16.0ms
(/ (/ 1 N) N)
16.0ms
(/ (/ 1 N) N)
19.0ms
(* (/ (/ 1 N) N) (/ 1 N))
0.0ms
(fma (/ (/ 1 N) N) -1/2 (fma (* (/ (/ 1 N) N) (/ 1 N)) 1/3 (/ 1 N)))

series189.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(/ (/ 1 N) N)
32.0ms
(/ (/ 1 N) N)
63.0ms
(* (/ (/ 1 N) N) (/ 1 N))
55.0ms
(fma (/ (/ 1 N) N) -1/2 (fma (* (/ (/ 1 N) N) (/ 1 N)) 1/3 (/ 1 N)))

simplify835.0ms

Counts
295 → 295
Iterations
IterNodes
22181
1810
0270

prune2.9s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

regimes49.0ms

Accuracy

99.9% (0.0b remaining)

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

bsearch43.0ms

Steps
ItersRangePoint
8
9369.000823706243
5623247.098758675
9516.15297930401

simplify2.0ms

Iterations
IterNodes
219
119
015

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.6s1817×body1280valid
649.0ms8102×body80nan
494.0ms1222×body640valid
390.0ms4055×body80valid
154.0ms609×body320valid
49.0ms297×body160valid