Details

Time bar (total: 20.8s)

sample94.0ms

Algorithm
intervals
Results
32.0ms61×body1280valid
16.0ms262×body80nan
13.0ms42×body640valid
12.0ms124×body80valid
4.0ms18×body320valid
2.0ms11×body160valid

simplify9.0ms

Counts
1 → 1
Iterations
IterNodes
311
211
19
06

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.1b

localize12.0ms

Local error

Found 1 expressions with local error:

2.9b
(- (log1p N) (log N))

rewrite6.0ms

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 log1p-expm1-u flip-- difference-of-squares
Counts
1 → 36
Calls
1 calls:
6.0ms
(- (log1p N) (log N))

series89.0ms

Counts
1 → 3
Calls
1 calls:
89.0ms
(- (log1p N) (log N))

simplify2.7s

Counts
39 → 39
Iterations
IterNodes
42902
31009
2369
1183
082

prune342.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize47.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ 1/3 N) (* N N))
0.3b
(/ 1 (* N N))
0.4b
(/ 1/3 N)
11.2b
(fma (/ 1 (* N N)) -1/2 (/ (/ 1/3 N) (* N N)))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
43×times-frac
29×add-exp-log
28×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
23×add-cbrt-cube
19×associate-/l*
12×pow1
11×div-exp
cbrt-undiv
pow-flip
associate-/r* prod-exp div-inv
expm1-log1p-u log1p-expm1-u add-log-exp
clear-num frac-2neg cbrt-unprod
rec-exp 1-exp
pow2 pow-plus pow-prod-down pow-sqr pow-prod-up fma-udef inv-pow associate-/l/
Counts
4 → 121
Calls
4 calls:
18.0ms
(/ (/ 1/3 N) (* N N))
17.0ms
(/ 1 (* N N))
7.0ms
(/ 1/3 N)
0.0ms
(fma (/ 1 (* N N)) -1/2 (/ (/ 1/3 N) (* N N)))

series209.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(/ (/ 1/3 N) (* N N))
18.0ms
(/ 1 (* N N))
22.0ms
(/ 1/3 N)
123.0ms
(fma (/ 1 (* N N)) -1/2 (/ (/ 1/3 N) (* N N)))

simplify3.0s

Counts
133 → 133
Iterations
IterNodes
34275
2941
1369
0169

prune1.0s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize50.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ 1 (* N N))
0.4b
(/ 1/3 N)
0.8b
(log (exp (/ (/ 1/3 N) (* N N))))
11.2b
(fma (/ 1 (* N N)) -1/2 (log (exp (/ (/ 1/3 N) (* N N)))))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
34×times-frac
23×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
18×log-pow
17×exp-prod add-exp-log
13×pow1
11×add-cbrt-cube
pow-flip associate-/l*
div-exp
expm1-log1p-u associate-/r* log1p-expm1-u div-inv add-log-exp
cbrt-undiv log-prod prod-exp
rec-exp clear-num frac-2neg 1-exp
pow2 pow-plus rem-log-exp pow-prod-down pow-sqr pow-prod-up cbrt-unprod fma-udef inv-pow
Counts
4 → 104
Calls
4 calls:
17.0ms
(/ 1 (* N N))
6.0ms
(/ 1/3 N)
21.0ms
(log (exp (/ (/ 1/3 N) (* N N))))
0.0ms
(fma (/ 1 (* N N)) -1/2 (log (exp (/ (/ 1/3 N) (* N N)))))

series210.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(/ 1 (* N N))
24.0ms
(/ 1/3 N)
47.0ms
(log (exp (/ (/ 1/3 N) (* N N))))
119.0ms
(fma (/ 1 (* N N)) -1/2 (log (exp (/ (/ 1/3 N) (* N N)))))

simplify4.5s

Counts
116 → 116
Iterations
IterNodes
46482
31761
2651
1314
0180

prune1.1s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize59.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ 1 (* N N))
0.4b
(/ 1/3 N)
0.8b
(log (exp (/ (/ 1/3 N) (* N N))))
1.8b
(log (exp (/ 1 (* N N))))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
37×times-frac
26×add-sqr-sqrt *-un-lft-identity log-pow add-cube-cbrt
24×exp-prod
17×add-exp-log
14×pow1
11×add-cbrt-cube
log-prod pow-flip associate-/l*
div-exp div-inv
expm1-log1p-u associate-/r* log1p-expm1-u add-log-exp
cbrt-undiv prod-exp
rec-exp clear-num frac-2neg 1-exp rem-log-exp
pow2 pow-plus pow-prod-down pow-sqr pow-prod-up cbrt-unprod inv-pow
Counts
4 → 115
Calls
4 calls:
24.0ms
(/ 1 (* N N))
7.0ms
(/ 1/3 N)
20.0ms
(log (exp (/ (/ 1/3 N) (* N N))))
15.0ms
(log (exp (/ 1 (* N N))))

series149.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(/ 1 (* N N))
19.0ms
(/ 1/3 N)
69.0ms
(log (exp (/ (/ 1/3 N) (* N N))))
31.0ms
(log (exp (/ 1 (* N N))))

simplify2.0s

Counts
127 → 127
Iterations
IterNodes
44314
31379
2562
1312
0187

prune1.5s

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.1b

regimes25.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 30.9b

bsearch41.0ms

Steps
ItersRangePoint
8
1.3793691672486585
12139.698930240449
6916.42260176444

simplify5.0ms

Iterations
IterNodes
220
120
019

end0.0ms

sample3.4s

Algorithm
intervals
Results
1.0s1756×body1280valid
796.0ms4091×body80valid
612.0ms8145×body80nan
511.0ms1262×body640valid
142.0ms582×body320valid
72.0ms309×body160valid