Details

Time bar (total: 7.1s)

sample68.0ms

Algorithm
intervals
Results
39.0ms81×body1280valid
11.0ms52×body640valid
3.0ms27×body320valid
2.0ms87×body80valid
2.0ms105×body80nan
1.0msbody160valid

simplify2.0ms

Counts
1 → 1
Iterations
IterNodes
done5
15
04

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.6b

localize5.0ms

Local error

Found 1 expressions with local error:

3.6b
(log (+ 1.0 x))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
add-sqr-sqrt pow1 log-div add-exp-log add-cube-cbrt
flip3-+ add-cbrt-cube rem-log-exp log-pow flip-+ distribute-lft-out add-log-exp
Counts
1 → 15
Calls
1 calls:
4.0ms
(log (+ 1.0 x))

series54.0ms

Counts
1 → 3
Calls
1 calls:
54.0ms
(log (+ 1.0 x))

simplify1.6s

Counts
18 → 18
Iterations
IterNodes
done5002
42348
3735
2288
1123
058

prune81.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 1 expressions with local error:

0.0b
(- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
diff-log
sub-neg associate--r+
add-sqr-sqrt pow1 *-un-lft-identity flip3-- add-cbrt-cube add-exp-log add-cube-cbrt flip-- associate--r-
Counts
1 → 16
Calls
1 calls:
70.0ms
(- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))

series58.0ms

Counts
1 → 3
Calls
1 calls:
58.0ms
(- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))

simplify2.0s

Counts
19 → 19
Iterations
IterNodes
done5000
31545
2365
1111
042

prune70.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.0b

regimes106.0ms

Accuracy

99.2% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 22.0b

bsearch2.0ms

simplify6.0ms

Iterations
IterNodes
done18
118
015

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.6s2229×body1280valid
607.0ms1663×body640valid
228.0ms826×body320valid
115.0ms2853×body80valid
67.0ms2685×body80nan
44.0ms429×body160valid