Details

Time bar (total: 18.6s)

sample119.0ms

Algorithm
halfpoints

simplify14.0ms

Counts
1 → 1
Iterations
IterNodes
done15
215
114
09

prune17.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize246.0ms

Local error

Found 4 expressions with local error:

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

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
77×p16-times-frac
71×*p16-lft-identity-expand p16-*-un-lft-identity
51×*p16-rgt-identity-expand
24×distribute-lft-out--
18×introduce-quire
13×/p16-rgt-identity-expand insert-quire-fdp-sub
distribute-rgt-out--
associate-/r/
associate-/r* +p16-lft-identity-expand -p16-rgt-identity-expand +p16-rgt-identity-expand associate-/l*
associate--l+ associate--r+ associate-/l/
associate--l- insert-quire-sub sub-neg p16-flip-- associate--r-
Counts
4 → 121
Calls
4 calls:
0.0ms
(sqrt.p16 (+.p16 x (real->posit16 1)))
1.0ms
(/.p16 (real->posit16 1) (sqrt.p16 x))
2.0ms
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1))))
9.0ms
(-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1)))))

series0.0ms

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

simplify1.9s

Counts
125 → 125
Iterations
IterNodes
done5027
31366
2269
168
042

prune648.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize326.0ms

Local error

Found 4 expressions with local error:

0.2b
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1))))
0.2b
(/.p16 (-.p16 (*.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 x))) (*.p16 (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1)))) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1)))))) (+.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1))))))
0.3b
(-.p16 (*.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 x))) (*.p16 (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1)))) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1))))))
0.3b
(*.p16 (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1)))) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1)))))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
717×p16-times-frac
512×*p16-lft-identity-expand p16-*-un-lft-identity
252×*p16-rgt-identity-expand
120×p16-distribute-lft-out distribute-lft-out
63×associate-/r*
62×difference-of-squares
45×distribute-rgt-out
30×/p16-rgt-identity-expand
24×associate-/r/
13×associate-*r* associate-*l*
12×+p16-lft-identity-expand +p16-rgt-identity-expand
associate-/l*
distribute-rgt-in distribute-lft-in introduce-quire -p16-rgt-identity-expand associate--l+ associate--r+
associate-/l/
p16-flip--
associate--l- insert-quire-sub sub-neg associate-*l/ associate-*r/ *-commutative insert-quire-fdp-sub associate--r-
Counts
4 → 408
Calls
4 calls:
1.0ms
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1))))
28.0ms
(/.p16 (-.p16 (*.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 x))) (*.p16 (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1)))) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1)))))) (+.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1))))))
6.0ms
(-.p16 (*.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 x))) (*.p16 (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1)))) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1))))))
6.0ms
(*.p16 (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1)))) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 x (real->posit16 1)))))

series0.0ms

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

simplify4.8s

Counts
412 → 412
Iterations
IterNodes
done5002
2799
1173
078

prune1.3s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.3b

localize273.0ms

Local error

Found 4 expressions with local error:

0.2b
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))
0.2b
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))
0.2b
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))
0.4b
(-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x))))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
86×p16-times-frac
79×*p16-lft-identity-expand p16-*-un-lft-identity
59×*p16-rgt-identity-expand
24×distribute-lft-out--
18×introduce-quire
15×/p16-rgt-identity-expand
13×insert-quire-fdp-sub
associate-/r* distribute-rgt-out-- associate-/l*
associate-/r/
+p16-lft-identity-expand -p16-rgt-identity-expand +p16-rgt-identity-expand
associate-/l/
associate--l+ associate--r+
associate--l- insert-quire-sub sub-neg p16-flip-- associate--r-
Counts
4 → 138
Calls
4 calls:
2.0ms
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))
11.0ms
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))
1.0ms
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))
8.0ms
(-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x))))

series0.0ms

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

simplify1.9s

Counts
142 → 142
Iterations
IterNodes
done5000
31469
2269
170
041

prune1.0s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.3b

localize292.0ms

Local error

Found 4 expressions with local error:

0.1b
(/.p16 (real->posit16 1.0) (*.p16 (real->posit16 1.0) (-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x))))))
0.1b
(/.p16 (real->posit16 1.0) (/.p16 (real->posit16 1.0) (*.p16 (real->posit16 1.0) (-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))))))
0.2b
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))
0.4b
(-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x))))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
113×p16-times-frac
84×*p16-lft-identity-expand p16-*-un-lft-identity
64×*p16-rgt-identity-expand
28×/p16-rgt-identity-expand
27×associate-/r/
24×distribute-lft-out--
18×introduce-quire
14×associate-/r*
13×insert-quire-fdp-sub
10×associate-*r/
distribute-rgt-out-- associate-/l*
+p16-lft-identity-expand -p16-rgt-identity-expand p16-flip-- +p16-rgt-identity-expand
associate-*l/
associate-/l/
associate--l+ associate--r+
associate--l- insert-quire-sub sub-neg remove-double-div.p16 associate--r-
Counts
4 → 162
Calls
4 calls:
2.0ms
(/.p16 (real->posit16 1.0) (*.p16 (real->posit16 1.0) (-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x))))))
2.0ms
(/.p16 (real->posit16 1.0) (/.p16 (real->posit16 1.0) (*.p16 (real->posit16 1.0) (-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))))))
1.0ms
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))
15.0ms
(-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x))))

series0.0ms

Counts
4 → 4
Calls
4 calls:
0.0ms
(/.p16 (real->posit16 1.0) (*.p16 (real->posit16 1.0) (-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x))))))
0.0ms
(/.p16 (real->posit16 1.0) (/.p16 (real->posit16 1.0) (*.p16 (real->posit16 1.0) (-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))))))
0.0ms
(/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x)))
0.0ms
(-.p16 (/.p16 (real->posit16 1) (sqrt.p16 x)) (/.p16 (real->posit16 1) (sqrt.p16 (+.p16 (real->posit16 1) x))))

simplify1.9s

Counts
166 → 166
Iterations
IterNodes
done5003
31434
2277
198
054

prune962.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 0.3b

regimes211.0ms

Accuracy

0% (0.2b remaining)

Error of 0.6b against oracle of 0.4b and baseline of 0.6b

bsearch0.0ms

simplify5.0ms

Iterations
IterNodes
done14
114
012

end0.0ms

sample2.5s

Algorithm
halfpoints