Details

Time bar (total: 16.4s)

sample88.0ms

Algorithm
intervals
Results
43.0ms62×body1280valid
23.0ms69×body640valid
3.0ms19×body320valid
3.0ms94×body80valid
2.0ms79×body80nan
1.0ms12×body160valid

simplify3.0ms

Counts
1 → 1
Iterations
IterNodes
done5
15
04

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.3b

localize10.0ms

Local error

Found 1 expressions with local error:

3.0b
(log (+ 1.0 x))

rewrite7.0ms

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:
7.0ms
(log (+ 1.0 x))

series83.0ms

Counts
1 → 3
Calls
1 calls:
83.0ms
(log (+ 1.0 x))

simplify1.6s

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

prune99.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize15.0ms

Local error

Found 1 expressions with local error:

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

rewrite58.0ms

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:
58.0ms
(- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))

series60.0ms

Counts
1 → 3
Calls
1 calls:
60.0ms
(- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))

simplify2.1s

Counts
19 → 19
Iterations
IterNodes
done5000
31545
2365
1111
042

prune100.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.1b

localize59.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))) (cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))))
10.5b
(cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
10.5b
(cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
10.5b
(cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))

rewrite639.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
18×cbrt-div
15×*-un-lft-identity add-cube-cbrt
11×pow1
flip3-- pow1/3 flip--
swap-sqr associate-*r* associate-*l* add-exp-log
frac-times add-cbrt-cube add-log-exp unswap-sqr
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 87
Calls
4 calls:
464.0ms
(* (cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))) (cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))))
58.0ms
(cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
52.0ms
(cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
59.0ms
(cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))

series1.2s

Counts
4 → 12
Calls
4 calls:
333.0ms
(* (cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))) (cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))))
262.0ms
(cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
267.0ms
(cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
317.0ms
(cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))

simplify3.3s

Counts
99 → 99
Iterations
IterNodes
done5008
34668
21417
1531
0204

prune843.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.1b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(log (log (+ 1.0 x)))
0.4b
(exp (log (log (+ 1.0 x))))
3.0b
(log (+ 1.0 x))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
12×log-prod
*-un-lft-identity
pow1
add-sqr-sqrt add-cube-cbrt
add-exp-log log-pow
exp-prod exp-sum
add-cbrt-cube add-log-exp
log-div rem-log-exp
flip3-+ flip-+ distribute-lft-out rem-exp-log
Counts
3 → 44
Calls
3 calls:
2.0ms
(log (log (+ 1.0 x)))
6.0ms
(exp (log (log (+ 1.0 x))))
6.0ms
(log (+ 1.0 x))

series284.0ms

Counts
3 → 9
Calls
3 calls:
148.0ms
(log (log (+ 1.0 x)))
81.0ms
(exp (log (log (+ 1.0 x))))
54.0ms
(log (+ 1.0 x))

simplify2.2s

Counts
53 → 53
Iterations
IterNodes
done5000
32526
2760
1276
0124

prune280.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.1b

regimes292.0ms

Accuracy

99.1% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.6b

bsearch3.0ms

simplify5.0ms

Iterations
IterNodes
done18
118
015

end0.0ms

sample3.0s

Algorithm
intervals
Results
1.7s2271×body1280valid
614.0ms1658×body640valid
153.0ms849×body320valid
110.0ms2741×body80nan
107.0ms2816×body80valid
43.0ms406×body160valid