Details

Time bar (total: 11.9s)

sample69.0ms

Algorithm
halfpoints
Results

simplify203.0ms

Counts
1 → 1

prune25.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.0b

localize235.0ms

Local error

Found 4 expressions with local error:

0.8b
(+.p16 (-.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x)) (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))))
0.4b
(-.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x))
0.2b
(/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))
0.1b
(/.p16 (real->posit16 1) (+.p16 x (real->posit16 1)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
sub-neg p16-flip--
+-commutative associate-+l+ associate-/r/ associate-+l-
Counts
4 → 6
Calls
4 calls:
Slowest
23.0ms
(+.p16 (-.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x)) (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))))
5.0ms
(-.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x))
4.0ms
(/.p16 (real->posit16 1) (+.p16 x (real->posit16 1)))
3.0ms
(/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))

series0.0ms

Counts
4 → 4
Calls
4 calls:
Slowest
0.0ms
(+.p16 (-.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x)) (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))))
0.0ms
(-.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x))
0.0ms
(/.p16 (real->posit16 1) (+.p16 x (real->posit16 1)))
0.0ms
(/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))

simplify1.4s

Counts
10 → 10

prune367.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.9b

localize206.0ms

Local error

Found 4 expressions with local error:

0.8b
(+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (-.p16 (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x)))
0.4b
(-.p16 (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x))
0.2b
(/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))
0.1b
(/.p16 (real->posit16 1) (+.p16 x (real->posit16 1)))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
sub-neg p16-flip--
+-commutative associate-+r+ associate-+r- associate-/r/
Counts
4 → 6
Calls
4 calls:
Slowest
16.0ms
(/.p16 (real->posit16 1) (+.p16 x (real->posit16 1)))
14.0ms
(+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (-.p16 (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x)))
7.0ms
(-.p16 (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x))
3.0ms
(/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))

series0.0ms

Counts
4 → 4
Calls
4 calls:
Slowest
0.0ms
(+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (-.p16 (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x)))
0.0ms
(-.p16 (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x))
0.0ms
(/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))
0.0ms
(/.p16 (real->posit16 1) (+.p16 x (real->posit16 1)))

simplify2.2s

Counts
10 → 10

prune443.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.8b

localize293.0ms

Local error

Found 4 expressions with local error:

1.0b
(-.p16 (+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))) (/.p16 (real->posit16 2) x))
0.6b
(+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))))
0.2b
(/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))
0.1b
(/.p16 (real->posit16 1) (+.p16 x (real->posit16 1)))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
p16-flip--
+-commutative sub-neg associate--l+ associate-/r/
Counts
4 → 5
Calls
4 calls:
Slowest
17.0ms
(-.p16 (+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))) (/.p16 (real->posit16 2) x))
4.0ms
(+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))))
2.0ms
(/.p16 (real->posit16 1) (+.p16 x (real->posit16 1)))
2.0ms
(/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))

series0.0ms

Counts
4 → 4
Calls
4 calls:
Slowest
0.0ms
(-.p16 (+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))) (/.p16 (real->posit16 2) x))
0.0ms
(+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 1) (-.p16 x (real->posit16 1))))
0.0ms
(/.p16 (real->posit16 1) (+.p16 x (real->posit16 1)))
0.0ms
(/.p16 (real->posit16 1) (-.p16 x (real->posit16 1)))

simplify2.5s

Counts
9 → 9

prune295.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.7b

localize313.0ms

Local error

Found 4 expressions with local error:

0.8b
(+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (-.p16 (*.p16 (/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x))) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x)))
0.6b
(*.p16 (/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x))) (+.p16 x (real->posit16 1)))
0.4b
(-.p16 (*.p16 (/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x))) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x))
0.2b
(/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x)))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
associate--l+
distribute-rgt-in associate-+r+ distribute-lft-in associate-*l/ p16-flip--
sub-neg associate-/r/
+-commutative associate-+r- associate-/r* associate-*l* *-commutative
Counts
4 → 16
Calls
4 calls:
Slowest
19.0ms
(+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (-.p16 (*.p16 (/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x))) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x)))
5.0ms
(*.p16 (/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x))) (+.p16 x (real->posit16 1)))
3.0ms
(-.p16 (*.p16 (/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x))) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x))
3.0ms
(/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x)))

series0.0ms

Counts
4 → 4
Calls
4 calls:
Slowest
0.0ms
(+.p16 (/.p16 (real->posit16 1) (+.p16 x (real->posit16 1))) (-.p16 (*.p16 (/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x))) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x)))
0.0ms
(*.p16 (/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x))) (+.p16 x (real->posit16 1)))
0.0ms
(-.p16 (*.p16 (/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x))) (+.p16 x (real->posit16 1))) (/.p16 (real->posit16 2) x))
0.0ms
(/.p16 (real->posit16 1) (*.p16 (-.p16 x (real->posit16 1)) (+.p16 (real->posit16 1) x)))

simplify464.0ms

Counts
21 → 20

prune824.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0.6b

regimes256.0ms

Accuracy

-∞% (-63.0b remaining)

Error of 1.0b against oracle of 64.0b and baseline of 64.0b

bsearch4.0ms

end0.0ms

sample1.6s

Algorithm
halfpoints
Results