Details

Time bar (total: 3.7s)

sample17.0ms

Algorithm
intervals
Results
7.0ms256×body80valid

simplify109.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
079
1159
2359
3719
41269
51669
61869
71929
81969
done1969

prune2.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 14.8b

Counts
2 → 1

localize6.0ms

Local error

Found 1 expressions with local error:

14.3b
(/ (* (* x 2.0) y) (- x y))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
10×add-exp-log add-cbrt-cube
add-sqr-sqrt *-un-lft-identity
times-frac associate-/r*
cbrt-undiv add-cube-cbrt div-exp prod-exp cbrt-unprod
associate-/r/ distribute-lft-out-- difference-of-squares
pow1 flip3-- frac-2neg clear-num flip-- div-inv associate-/l* add-log-exp
Counts
1 → 29
Calls
1 calls:
9.0ms
(/ (* (* x 2.0) y) (- x y))

series9.0ms

Counts
1 → 3
Calls
1 calls:
9.0ms
(/ (* (* x 2.0) y) (- x y))

simplify449.0ms

Counts
32 → 32
Iterations

Useful iterations: done (448.0ms)

IterNodesCost
077400
1218385
21088323
done5000314

prune49.0ms

Filtered
21 candidates to 32 candidates (-52.4%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New28432
Fresh000
Picked011
Done000
Total28533

Merged error: 0.0b

Counts
33 → 5

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- x y))
6.2b
(* (* 2.0 x) (/ y (- x y)))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt *-un-lft-identity
30×times-frac
21×add-cube-cbrt associate-*r*
16×add-exp-log add-cbrt-cube
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-- flip-- div-inv add-log-exp
frac-2neg associate-*r/ associate-*l* clear-num *-commutative
Counts
2 → 78
Calls
2 calls:
6.0ms
(/ y (- x y))
11.0ms
(* (* 2.0 x) (/ y (- x y)))

series15.0ms

Counts
2 → 6
Calls
2 calls:
6.0ms
(/ y (- x y))
9.0ms
(* (* 2.0 x) (/ y (- x y)))

simplify516.0ms

Counts
84 → 84
Iterations

Useful iterations: done (514.0ms)

IterNodesCost
0116915
1319873
21421770
done5001756

prune75.0ms

Filtered
56 candidates to 84 candidates (-50.0%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New82284
Fresh123
Picked011
Done011
Total83689

Merged error: 0.0b

Counts
89 → 6

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- x y))
0.2b
(* y (/ 1 (- x y)))
6.2b
(* (* 2.0 x) (* y (/ 1 (- x y))))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
51×add-exp-log
44×add-sqr-sqrt
38×*-un-lft-identity
32×times-frac
31×add-cbrt-cube
27×prod-exp
23×add-cube-cbrt
22×associate-*r*
18×pow1
15×cbrt-unprod
pow-prod-down
div-exp
distribute-lft-out-- difference-of-squares
associate-/r*
cbrt-undiv rec-exp 1-exp associate-*r/ associate-*l* associate-/r/
associate-/l* add-log-exp unswap-sqr
flip3-- un-div-inv *-commutative flip-- div-inv
pow-flip frac-2neg clear-num inv-pow
Counts
3 → 117
Calls
3 calls:
6.0ms
(/ 1 (- x y))
12.0ms
(* y (/ 1 (- x y)))
12.0ms
(* (* 2.0 x) (* y (/ 1 (- x y))))

series21.0ms

Counts
3 → 9
Calls
3 calls:
5.0ms
(/ 1 (- x y))
7.0ms
(* y (/ 1 (- x y)))
9.0ms
(* (* 2.0 x) (* y (/ 1 (- x y))))

simplify939.0ms

Counts
126 → 126
Iterations

Useful iterations: done (936.0ms)

IterNodesCost
01461389
13881180
21372942
done5000916

prune97.0ms

Filtered
63 candidates to 126 candidates (-100.0%)
Pruning

6 alts after pruning (3 fresh and 3 done)

PrunedKeptTotal
New1260126
Fresh033
Picked011
Done022
Total1266132

Merged error: 0.0b

Counts
132 → 6

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
64×times-frac
50×add-sqr-sqrt *-un-lft-identity
30×add-cube-cbrt
22×associate-/r*
16×add-exp-log add-cbrt-cube
10×distribute-lft-out-- difference-of-squares
cbrt-undiv div-exp
associate-/l*
div-inv
pow1 frac-2neg prod-exp clear-num cbrt-unprod associate-/l/ add-log-exp
flip3-- div-sub associate-/r/ flip--
Counts
2 → 96
Calls
2 calls:
6.0ms
(/ (- x y) y)
11.0ms
(/ (* x 2.0) (/ (- x y) y))

series14.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(/ (- x y) y)
9.0ms
(/ (* x 2.0) (/ (- x y) y))

simplify541.0ms

Counts
102 → 102
Iterations

Useful iterations: done (538.0ms)

IterNodesCost
01511250
13931191
214461083
done50001067

prune81.0ms

Filtered
72 candidates to 102 candidates (-41.7%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New1002102
Fresh202
Picked101
Done213
Total1053108

Merged error: 0b

Counts
108 → 3

regimes91.0ms

Accuracy

98.7% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 7.6b

bsearch29.0ms

Steps
ItersRangePoint
9
1.6969156640652005e-46
6.221151550137799e-38
5.048090762251207e-38
9
-0.0001616040529746431
-1.1951251334293225e-11
-2.632924857844891e-06

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01835
12627
done2627

end0.0ms

sample501.0ms

Algorithm
intervals
Results
252.0ms8000×body80valid

Profiling

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