Details

Time bar (total: 22.2s)

sample104.0ms

Algorithm
intervals
Results
56.0ms68×body1280valid
19.0ms46×body640valid
5.0ms110×body80valid
5.0ms23×body320valid
2.0ms80×body80nan
1.0msbody160valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
044
154
done54

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.4b

localize8.0ms

Local error

Found 1 expressions with local error:

2.7b
(log (+ 1.0 x))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log-div
flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
1 → 15
Calls
1 calls:
9.0ms
(log (+ 1.0 x))

series57.0ms

Counts
1 → 3
Calls
1 calls:
57.0ms
(log (+ 1.0 x))

simplify3.9s

Counts
18 → 18
Iterations

Useful iterations: 5 (2.2s)

IterNodesCost
058178
1123171
2260151
3528151
41197146
53028140
done5000140

prune46.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
0.2b
(/ -1/2 (/ (* 1.0 1.0) x))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
22×add-sqr-sqrt *-un-lft-identity
20×add-cube-cbrt
13×add-exp-log add-cbrt-cube
associate-/r*
cbrt-undiv div-exp div-inv
pow1 associate-*r*
associate-*l* associate-/l*
associate-*r/ prod-exp cbrt-unprod add-log-exp
distribute-rgt-in frac-2neg distribute-lft-in flip3-+ pow-prod-down clear-num associate-/r/ *-commutative flip-+ distribute-lft-out unswap-sqr
Counts
2 → 71
Calls
2 calls:
75.0ms
(* x (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
23.0ms
(/ -1/2 (/ (* 1.0 1.0) x))

series117.0ms

Counts
2 → 6
Calls
2 calls:
92.0ms
(* x (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
25.0ms
(/ -1/2 (/ (* 1.0 1.0) x))

simplify3.4s

Counts
77 → 77
Iterations

Useful iterations: 3 (1.8s)

IterNodesCost
0146994
1354928
21127852
34629842
done5001842

prune273.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize24.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* x 1.0) (* x (/ -1/2 (/ (* 1.0 1.0) x))))
0.2b
(/ -1/2 (/ (* 1.0 1.0) x))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
18×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
11×add-exp-log add-cbrt-cube
associate-/r*
cbrt-undiv div-exp div-inv
add-log-exp
associate-/l*
pow1
+-commutative frac-2neg flip3-+ prod-exp clear-num sum-log associate-/r/ cbrt-unprod flip-+ distribute-lft-out
Counts
2 → 60
Calls
2 calls:
8.0ms
(+ (* x 1.0) (* x (/ -1/2 (/ (* 1.0 1.0) x))))
18.0ms
(/ -1/2 (/ (* 1.0 1.0) x))

series149.0ms

Counts
2 → 6
Calls
2 calls:
132.0ms
(+ (* x 1.0) (* x (/ -1/2 (/ (* 1.0 1.0) x))))
17.0ms
(/ -1/2 (/ (* 1.0 1.0) x))

simplify4.4s

Counts
66 → 66
Iterations

Useful iterations: 3 (2.7s)

IterNodesCost
0138915
1335837
21098763
34518747
done5000747

prune211.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize31.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt x) (cbrt x))
0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
add-cbrt-cube add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 73
Calls
4 calls:
18.0ms
(* (cbrt x) (cbrt x))
2.0ms
(cbrt x)
2.0ms
(cbrt x)
2.0ms
(cbrt x)

series1.1s

Counts
4 → 12
Calls
4 calls:
297.0ms
(* (cbrt x) (cbrt x))
282.0ms
(cbrt x)
281.0ms
(cbrt x)
290.0ms
(cbrt x)

simplify4.7s

Counts
85 → 85
Iterations

Useful iterations: done (4.7s)

IterNodesCost
061524
1115417
2319397
31092379
44427374
done5001364

prune362.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes109.0ms

Accuracy

99% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 22.1b

bsearch3.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01626
12126
done2126

end0.0ms

sample3.0s

Algorithm
intervals
Results
1.6s2248×body1280valid
602.0ms1665×body640valid
156.0ms2858×body80valid
140.0ms778×body320valid
90.0ms451×body160valid
68.0ms2680×body80nan