Details

Time bar (total: 8.4s)

sample25.0ms

Algorithm
intervals
Results
11.0ms256×body80valid

simplify223.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1189
2479
31029
41509
51689
61819
71859
done1859

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.9b

localize11.0ms

Local error

Found 1 expressions with local error:

16.3b
(/ (- x y) (* (* x 2.0) y))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
10×add-exp-log add-cbrt-cube
7×add-sqr-sqrt *-un-lft-identity
5×times-frac associate-/l*
3×cbrt-undiv add-cube-cbrt div-exp prod-exp cbrt-unprod
2×associate-/l/ distribute-lft-out-- difference-of-squares
1×pow1 flip3-- frac-2neg div-sub clear-num associate-/r* flip-- div-inv add-log-exp
Counts
1 → 30
Calls
1 calls:
45.0ms
(/ (- x y) (* (* x 2.0) y))

series84.0ms

Counts
1 → 3
Calls
1 calls:
84.0ms
(/ (- x y) (* (* x 2.0) y))

simplify3.1s

Counts
33 → 33
Iterations

Useful iterations: 3 (1.5s)

IterNodesCost
082447
1230433
2894353
34809351
done5001351

prune57.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- x y) (* x 2.0))
6.5b
(/ (/ (- x y) (* x 2.0)) y)

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
52×times-frac
34×add-sqr-sqrt *-un-lft-identity
22×add-cube-cbrt
16×add-exp-log add-cbrt-cube
14×associate-/l*
7×cbrt-undiv div-exp
6×div-inv distribute-lft-out-- difference-of-squares
4×associate-/r*
3×div-sub associate-/l/
2×pow1 frac-2neg prod-exp clear-num cbrt-unprod add-log-exp
1×flip3-- flip--
Counts
2 → 85
Calls
2 calls:
28.0ms
(/ (- x y) (* x 2.0))
29.0ms
(/ (/ (- x y) (* x 2.0)) y)

series110.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(/ (- x y) (* x 2.0))
64.0ms
(/ (/ (- x y) (* x 2.0)) y)

simplify1.5s

Counts
91 → 91
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01511244
13731207
212311081
done50001079

prune191.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (/ (- x y) 2.0) y)
8.8b
(* (/ 1 x) (/ (/ (- x y) 2.0) y))

rewrite132.0ms

Algorithm
rewrite-expression-head
Rules
243×times-frac
184×add-sqr-sqrt
157×*-un-lft-identity
112×add-cube-cbrt
61×associate-*r*
46×add-exp-log
28×add-cbrt-cube
21×div-exp distribute-lft-out-- difference-of-squares
19×associate-/l*
13×associate-*l*
12×cbrt-undiv prod-exp
10×div-inv
9×unswap-sqr
6×cbrt-unprod
4×pow1
3×rec-exp 1-exp associate-/r*
2×div-sub add-log-exp
1×frac-times frac-2neg associate-*r/ pow-prod-down associate-*l/ clear-num *-commutative associate-/l/
Counts
2 → 208
Calls
2 calls:
33.0ms
(/ (/ (- x y) 2.0) y)
76.0ms
(* (/ 1 x) (/ (/ (- x y) 2.0) y))

series122.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(/ (/ (- x y) 2.0) y)
74.0ms
(* (/ 1 x) (/ (/ (- x y) 2.0) y))

simplify1.4s

Counts
214 → 214
Iterations

Useful iterations: 2 (747.0ms)

IterNodesCost
03193387
18883090
229392772
done50012772

prune561.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes52.0ms

Accuracy

97.4% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 8.0b

bsearch69.0ms

Steps
ItersRangePoint
7
3.39002248453449e-27
2.9088581115424155e-25
2.6520816875241387e-25
9
-4.1725717838869864e-57
-1.5496688704842292e-64
-3.9887415449186835e-57

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01837
12529
done2529

end0.0ms

sample652.0ms

Algorithm
intervals
Results
391.0ms8003×body80valid