Details

Time bar (total: 9.4s)

sample30.0ms

Algorithm
intervals
Results
20.0ms256×body80valid

simplify122.0ms

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

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.6b

localize17.0ms

Local error

Found 1 expressions with local error:

12.6b
(/ (* (* x 2.0) y) (- x y))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
10×add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity
associate-/r* times-frac
cbrt-undiv div-exp prod-exp add-cube-cbrt cbrt-unprod
associate-/r/ distribute-lft-out-- difference-of-squares
pow1 clear-num frac-2neg flip3-- insert-posit16 div-inv flip-- associate-/l* add-log-exp
Counts
1 → 30
Calls
1 calls:
32.0ms
(/ (* (* x 2.0) y) (- x y))

series92.0ms

Counts
1 → 3
Calls
1 calls:
92.0ms
(/ (* (* x 2.0) y) (- x y))

simplify1.0s

Counts
33 → 33
Iterations
IterNodes
done5000
2878
1220
078

prune146.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- x y))
6.4b
(* (* 2.0 x) (/ y (- x y)))

rewrite38.0ms

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
pow1 distribute-lft-out-- difference-of-squares
prod-exp cbrt-unprod
associate-/r*
associate-/r/
cbrt-undiv div-exp pow-prod-down associate-/l*
flip3-- insert-posit16 div-inv flip-- add-log-exp
clear-num frac-2neg associate-*l* associate-*r/ *-commutative
Counts
2 → 80
Calls
2 calls:
14.0ms
(/ y (- x y))
23.0ms
(* (* 2.0 x) (/ y (- x y)))

series170.0ms

Counts
2 → 6
Calls
2 calls:
73.0ms
(/ y (- x y))
97.0ms
(* (* 2.0 x) (/ y (- x y)))

simplify1.4s

Counts
86 → 86
Iterations
IterNodes
done5000
21175
1327
0118

prune266.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)
2.2b
(* (* 2.0 (* (/ (cbrt y) (cbrt (- x y))) (/ (cbrt y) (cbrt (- x y))))) x)

rewrite171.0ms

Algorithm
rewrite-expression-head
Rules
29×add-exp-log
21×add-cbrt-cube
15×prod-exp cbrt-unprod
13×pow1
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow-prod-down
cbrt-undiv div-exp associate-*l/ associate-*r/ insert-posit16 add-log-exp
pow1/3 associate-*r*
frac-times associate-*l* *-commutative
Counts
4 → 67
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
1.0ms
(cbrt y)
168.0ms
(* (* 2.0 (* (/ (cbrt y) (cbrt (- x y))) (/ (cbrt y) (cbrt (- x y))))) x)

series1.1s

Counts
4 → 12
Calls
4 calls:
247.0ms
(cbrt y)
284.0ms
(cbrt y)
268.0ms
(cbrt y)
261.0ms
(* (* 2.0 (* (/ (cbrt y) (cbrt (- x y))) (/ (cbrt y) (cbrt (- x y))))) x)

simplify1.5s

Counts
79 → 79
Iterations
IterNodes
done5004
21095
1326
0120

prune347.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

localize18.0ms

Local error

Found 2 expressions with local error:

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

rewrite45.0ms

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
cbrt-undiv div-exp
associate-/l*
div-inv
pow1 clear-num frac-2neg prod-exp cbrt-unprod insert-posit16 add-log-exp associate-/l/
flip3-- div-sub associate-/r/ flip--
Counts
2 → 98
Calls
2 calls:
19.0ms
(/ (- x y) y)
23.0ms
(/ (* x 2.0) (/ (- x y) y))

series155.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ (- x y) y)
113.0ms
(/ (* x 2.0) (/ (- x y) y))

simplify1.4s

Counts
104 → 104
Iterations
IterNodes
done5003
21383
1417
0153

prune292.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

regimes100.0ms

Accuracy

99.1% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 7.1b

bsearch107.0ms

Steps
ItersRangePoint
8
6.72681328144926e+16
7.615660190342274e+20
1.3615474866246526e+17
9
-3.5658960908207357e-28
-1.1157118283545714e-36
-3.0638957814586657e-28

simplify3.0ms

Iterations
IterNodes
done23
123
016

end0.0ms

sample823.0ms

Algorithm
intervals
Results
651.0ms8000×body80valid