Details

Time bar (total: 9.6s)

sample30.0ms

Algorithm
intervals
Results
13.0ms256×body80valid

simplify185.0ms

Counts
1 → 1
Iterations
IterNodes
done174
8174
7170
6160
5136
488
348
227
115
07

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.7b

localize9.0ms

Local error

Found 1 expressions with local error:

16.2b
(/ (* (* x 2.0) y) (- x y))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
10×add-cbrt-cube add-exp-log
7×add-sqr-sqrt *-un-lft-identity
5×associate-/r* times-frac
3×cbrt-undiv div-exp prod-exp add-cube-cbrt cbrt-unprod
2×associate-/r/ distribute-lft-out-- difference-of-squares
1×expm1-log1p-u pow1 clear-num frac-2neg flip3-- log1p-expm1-u div-inv flip-- associate-/l* add-log-exp
Counts
1 → 31
Calls
1 calls:
20.0ms
(/ (* (* x 2.0) y) (- x y))

series107.0ms

Counts
1 → 3
Calls
1 calls:
107.0ms
(/ (* (* x 2.0) y) (- x y))

simplify1.6s

Counts
34 → 34
Iterations
IterNodes
done5000
2878
1222
079

prune195.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- x y))
6.1b
(* (* 2.0 x) (/ y (- x y)))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt *-un-lft-identity
30×times-frac
21×associate-*r* add-cube-cbrt
16×add-cbrt-cube add-exp-log
7×pow1 distribute-lft-out-- difference-of-squares
6×prod-exp cbrt-unprod
5×associate-/r*
4×associate-/r/
3×cbrt-undiv div-exp pow-prod-down associate-/l*
2×expm1-log1p-u flip3-- log1p-expm1-u div-inv flip-- add-log-exp
1×clear-num frac-2neg associate-*l* associate-*r/ *-commutative
Counts
2 → 82
Calls
2 calls:
17.0ms
(/ y (- x y))
32.0ms
(* (* 2.0 x) (/ y (- x y)))

series165.0ms

Counts
2 → 6
Calls
2 calls:
60.0ms
(/ y (- x y))
105.0ms
(* (* 2.0 x) (/ y (- x y)))

simplify1.5s

Counts
88 → 88
Iterations
IterNodes
done5000
21202
1336
0120

prune341.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- x y) y)
6.7b
(/ (* x 2.0) (/ (- x y) y))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
64×times-frac
50×add-sqr-sqrt *-un-lft-identity
30×add-cube-cbrt
22×associate-/r*
16×add-cbrt-cube add-exp-log
10×distribute-lft-out-- difference-of-squares
7×cbrt-undiv div-exp
6×associate-/l*
4×div-inv
2×expm1-log1p-u pow1 clear-num frac-2neg prod-exp cbrt-unprod log1p-expm1-u add-log-exp associate-/l/
1×flip3-- div-sub associate-/r/ flip--
Counts
2 → 100
Calls
2 calls:
27.0ms
(/ (- x y) y)
35.0ms
(/ (* x 2.0) (/ (- x y) y))

series154.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ (- x y) y)
112.0ms
(/ (* x 2.0) (/ (- x y) y))

simplify1.7s

Counts
106 → 106
Iterations
IterNodes
done5004
21426
1420
0155

prune412.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ x (- x y))
6.6b
(* (/ x (- x y)) (* y 2.0))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt *-un-lft-identity
30×times-frac
21×associate-*l* add-cube-cbrt
16×add-cbrt-cube add-exp-log
7×pow1 distribute-lft-out-- difference-of-squares
6×prod-exp cbrt-unprod
5×associate-/r*
4×associate-/r/
3×cbrt-undiv div-exp pow-prod-down associate-/l*
2×expm1-log1p-u flip3-- log1p-expm1-u div-inv flip-- add-log-exp
1×clear-num frac-2neg associate-*r* associate-*l/ *-commutative
Counts
2 → 82
Calls
2 calls:
17.0ms
(/ x (- x y))
41.0ms
(* (/ x (- x y)) (* y 2.0))

series178.0ms

Counts
2 → 6
Calls
2 calls:
81.0ms
(/ x (- x y))
97.0ms
(* (/ x (- x y)) (* y 2.0))

simplify1.6s

Counts
88 → 88
Iterations
IterNodes
done5002
21170
1332
0123

prune315.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes136.0ms

Accuracy

97% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 7.0b

bsearch65.0ms

Steps
ItersRangePoint
9
1.505515503601388e+75
7.706155067127394e+81
1.5252611293845415e+75
4
-3.687013704912239e+33
-1.9124874598053668e+33
-1.9508966350330062e+33

simplify3.0ms

Iterations
IterNodes
done23
123
016

end0.0ms

sample642.0ms

Algorithm
intervals
Results
435.0ms8000×body80valid