Details

Time bar (total: 20.1s)

sample34.0ms

Algorithm
intervals
Results
15.0ms256×body80valid
4.0ms256×pre80true

simplify6.4s

Counts
1 → 1
Iterations

Useful iterations: 4 (4.0s)

IterNodesCost
01025
13125
216423
389019
4335915
done500015

prune7.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize34.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* 2.0 (* 2.0 i)) (/ 1.0 i))
0.1b
(/ (/ i (* 2.0 2.0)) (- (* 2.0 (* 2.0 i)) (/ 1.0 i)))

rewrite146.0ms

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-/l*
cbrt-undiv div-exp div-inv
add-log-exp
associate-/r*
pow1 flip3-- associate-/r/ flip--
sub-neg frac-2neg diff-log prod-exp clear-num cbrt-unprod associate-/l/
Counts
2 → 62
Calls
2 calls:
47.0ms
(- (* 2.0 (* 2.0 i)) (/ 1.0 i))
94.0ms
(/ (/ i (* 2.0 2.0)) (- (* 2.0 (* 2.0 i)) (/ 1.0 i)))

series631.0ms

Counts
2 → 6
Calls
2 calls:
78.0ms
(- (* 2.0 (* 2.0 i)) (/ 1.0 i))
552.0ms
(/ (/ i (* 2.0 2.0)) (- (* 2.0 (* 2.0 i)) (/ 1.0 i)))

simplify3.0s

Counts
68 → 68
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
01561548
13951521
211901361
343651355
done50001355

prune191.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* 2.0 (* 2.0 i)) (/ 1.0 i))
0.1b
(/ 1 (- (* 2.0 (* 2.0 i)) (/ 1.0 i)))
0.1b
(* (/ i (* 2.0 2.0)) (/ 1 (- (* 2.0 (* 2.0 i)) (/ 1.0 i))))

rewrite279.0ms

Algorithm
rewrite-expression-head
Rules
46×add-exp-log
34×add-sqr-sqrt
28×times-frac
26×add-cbrt-cube
22×*-un-lft-identity
20×add-cube-cbrt
16×div-exp prod-exp
15×associate-*r*
cbrt-undiv cbrt-unprod
associate-*l*
pow1 unswap-sqr
add-log-exp
rec-exp 1-exp associate-/r/
flip3-- associate-/r* flip-- div-inv associate-/l*
frac-times sub-neg pow-flip frac-2neg diff-log associate-*r/ pow-prod-down associate-*l/ clear-num un-div-inv *-commutative inv-pow
Counts
3 → 104
Calls
3 calls:
29.0ms
(- (* 2.0 (* 2.0 i)) (/ 1.0 i))
60.0ms
(/ 1 (- (* 2.0 (* 2.0 i)) (/ 1.0 i)))
185.0ms
(* (/ i (* 2.0 2.0)) (/ 1 (- (* 2.0 (* 2.0 i)) (/ 1.0 i))))

series323.0ms

Counts
3 → 9
Calls
3 calls:
82.0ms
(- (* 2.0 (* 2.0 i)) (/ 1.0 i))
98.0ms
(/ 1 (- (* 2.0 (* 2.0 i)) (/ 1.0 i)))
142.0ms
(* (/ i (* 2.0 2.0)) (/ 1 (- (* 2.0 (* 2.0 i)) (/ 1.0 i))))

simplify2.3s

Counts
113 → 113
Iterations

Useful iterations: 2 (475.0ms)

IterNodesCost
01972324
15212119
216251775
done50001775

prune293.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* 2.0 (* 2.0 i)) (/ 1.0 i))
0.1b
(/ (- (* 2.0 (* 2.0 i)) (/ 1.0 i)) (/ i (* 2.0 2.0)))
0.3b
(/ 1 (/ (- (* 2.0 (* 2.0 i)) (/ 1.0 i)) (/ i (* 2.0 2.0))))

rewrite212.0ms

Algorithm
rewrite-expression-head
Rules
231×times-frac
102×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
46×add-exp-log
33×associate-/r*
28×div-exp
26×add-cbrt-cube
22×div-inv
14×cbrt-undiv
associate-/r/ associate-/l*
add-log-exp
pow1 rec-exp 1-exp prod-exp
flip3-- frac-2neg clear-num flip-- cbrt-unprod associate-/l/
sub-neg pow-flip diff-log div-sub inv-pow
Counts
3 → 199
Calls
3 calls:
45.0ms
(- (* 2.0 (* 2.0 i)) (/ 1.0 i))
81.0ms
(/ (- (* 2.0 (* 2.0 i)) (/ 1.0 i)) (/ i (* 2.0 2.0)))
64.0ms
(/ 1 (/ (- (* 2.0 (* 2.0 i)) (/ 1.0 i)) (/ i (* 2.0 2.0))))

series447.0ms

Counts
3 → 9
Calls
3 calls:
91.0ms
(- (* 2.0 (* 2.0 i)) (/ 1.0 i))
206.0ms
(/ (- (* 2.0 (* 2.0 i)) (/ 1.0 i)) (/ i (* 2.0 2.0)))
150.0ms
(/ 1 (/ (- (* 2.0 (* 2.0 i)) (/ 1.0 i)) (/ i (* 2.0 2.0))))

simplify1.7s

Counts
208 → 208
Iterations

Useful iterations: done (1.7s)

IterNodesCost
03385704
18325250
223304721
done50004578

prune463.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ 1 (- 16.0 (/ 4.0 (* i i))))
0.4b
(/ 4.0 (* i i))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt
25×times-frac
23×*-un-lft-identity
15×add-cube-cbrt
11×add-exp-log
add-cbrt-cube
difference-of-squares
associate-/r*
associate-/l*
div-exp distribute-lft-out--
pow1 cbrt-undiv
frac-2neg clear-num associate-/r/ div-inv add-log-exp
rec-exp flip3-- pow-flip 1-exp prod-exp flip-- cbrt-unprod inv-pow
Counts
2 → 66
Calls
2 calls:
40.0ms
(/ 1 (- 16.0 (/ 4.0 (* i i))))
9.0ms
(/ 4.0 (* i i))

series123.0ms

Counts
2 → 6
Calls
2 calls:
74.0ms
(/ 1 (- 16.0 (/ 4.0 (* i i))))
48.0ms
(/ 4.0 (* i i))

simplify2.5s

Counts
72 → 72
Iterations

Useful iterations: 2 (177.0ms)

IterNodesCost
0136921
1273822
2596766
31558766
done5000766

prune123.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes14.0ms

Accuracy

0% (0.1b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01217
11717
done1717

end0.0ms

sample863.0ms

Algorithm
intervals
Results
455.0ms8000×body80valid
208.0ms8000×pre80true