Details

Time bar (total: 18.4s)

sample90.0ms

Algorithm
intervals
Results
54.0ms91×body1280valid
10.0ms131×body80valid
7.0ms21×body640valid
2.0msbody320valid
1.0msbody160valid

simplify51.0ms

Counts
1 → 1
Iterations
IterNodes
done90
590
471
355
239
121
09

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.4b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(hypot 1 x)
0.0b
(+ 1/2 (/ 1/2 (hypot 1 x)))
0.0b
(/ 1/2 (hypot 1 x))
1.7b
(- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))

rewrite122.0ms

Algorithm
rewrite-expression-head
Rules
21×*-un-lft-identity
20×add-sqr-sqrt
12×add-cube-cbrt
times-frac
add-log-exp
add-cbrt-cube add-exp-log
pow1 sqrt-prod insert-posit16 difference-of-squares
associate-/r* associate-/l* distribute-lft-out--
distribute-lft-out
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg flip3-+ flip3-- diff-log div-exp flip-+ div-inv flip--
Counts
4 → 69
Calls
4 calls:
0.0ms
(hypot 1 x)
19.0ms
(+ 1/2 (/ 1/2 (hypot 1 x)))
9.0ms
(/ 1/2 (hypot 1 x))
91.0ms
(- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))

series142.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(hypot 1 x)
44.0ms
(+ 1/2 (/ 1/2 (hypot 1 x)))
11.0ms
(/ 1/2 (hypot 1 x))
85.0ms
(- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))

simplify1.9s

Counts
81 → 81
Iterations
IterNodes
done5002
32090
2703
1234
0107

prune358.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 13.9b

localize42.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1/2 (hypot 1 x))
0.0b
(+ (+ (/ 1/2 (hypot 1 x)) 1/2) (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)))
0.0b
(* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))
1.2b
(- 1 (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2)))

rewrite319.0ms

Algorithm
rewrite-expression-head
Rules
28×*-un-lft-identity
24×add-sqr-sqrt
15×add-cube-cbrt
11×flip3-+ flip-+ add-log-exp
10×pow1 sqrt-div
times-frac
add-cbrt-cube add-exp-log
associate-*l* sqrt-prod
distribute-lft-out
frac-times associate-*r* frac-add insert-posit16
associate-/r* sum-log distribute-rgt-out associate-/l*
distribute-rgt-in distribute-lft-in sqrt-pow1 pow-plus pow1/2 associate-*l/ associate-*r/ pow-prod-up associate--r+ unswap-sqr
cbrt-undiv +-commutative associate-+l+ clear-num sub-neg frac-2neg distribute-lft1-in flip3-- diff-log cube-unmult div-exp pow-prod-down prod-exp *-commutative cbrt-unprod div-inv flip--
Counts
4 → 107
Calls
4 calls:
10.0ms
(/ 1/2 (hypot 1 x))
146.0ms
(+ (+ (/ 1/2 (hypot 1 x)) 1/2) (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)))
142.0ms
(* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))
15.0ms
(- 1 (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2)))

series343.0ms

Counts
4 → 12
Calls
4 calls:
11.0ms
(/ 1/2 (hypot 1 x))
84.0ms
(+ (+ (/ 1/2 (hypot 1 x)) 1/2) (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)))
124.0ms
(* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))
123.0ms
(- 1 (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2)))

simplify2.2s

Counts
119 → 119
Iterations
IterNodes
done5004
22138
1498
0187

prune676.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 13.9b

localize88.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ 1/2 (hypot 1 x)) (/ 1/2 (hypot 1 x)))
0.2b
(/ 1/8 (* (* (hypot 1 x) (hypot 1 x)) (hypot 1 x)))
1.2b
(- (* 1/2 1/2) (* (/ 1/2 (hypot 1 x)) 1/2))
1.2b
(- 1 (/ (* (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))) (+ (/ 1/8 (* (* (hypot 1 x) (hypot 1 x)) (hypot 1 x))) 1/8)) (+ (* (/ 1/2 (hypot 1 x)) (/ 1/2 (hypot 1 x))) (- (* 1/2 1/2) (* (/ 1/2 (hypot 1 x)) 1/2)))))

rewrite240.0ms

Algorithm
rewrite-expression-head
Rules
49×add-sqr-sqrt
43×times-frac
37×*-un-lft-identity
34×add-cube-cbrt
25×add-cbrt-cube add-exp-log
13×swap-sqr associate-*r* associate-*l*
11×pow1
add-log-exp
cbrt-undiv div-exp prod-exp cbrt-unprod
div-inv
insert-posit16 unswap-sqr
associate-/l*
sub-neg flip3-- diff-log flip-- difference-of-squares
pow2 frac-times clear-num associate-/r* frac-2neg pow-plus distribute-rgt-out-- pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up distribute-lft-out--
Counts
4 → 122
Calls
4 calls:
31.0ms
(* (/ 1/2 (hypot 1 x)) (/ 1/2 (hypot 1 x)))
27.0ms
(/ 1/8 (* (* (hypot 1 x) (hypot 1 x)) (hypot 1 x)))
8.0ms
(- (* 1/2 1/2) (* (/ 1/2 (hypot 1 x)) 1/2))
166.0ms
(- 1 (/ (* (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))) (+ (/ 1/8 (* (* (hypot 1 x) (hypot 1 x)) (hypot 1 x))) 1/8)) (+ (* (/ 1/2 (hypot 1 x)) (/ 1/2 (hypot 1 x))) (- (* 1/2 1/2) (* (/ 1/2 (hypot 1 x)) 1/2)))))

series765.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(* (/ 1/2 (hypot 1 x)) (/ 1/2 (hypot 1 x)))
39.0ms
(/ 1/8 (* (* (hypot 1 x) (hypot 1 x)) (hypot 1 x)))
54.0ms
(- (* 1/2 1/2) (* (/ 1/2 (hypot 1 x)) 1/2))
638.0ms
(- 1 (/ (* (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))) (+ (/ 1/8 (* (* (hypot 1 x) (hypot 1 x)) (hypot 1 x))) 1/8)) (+ (* (/ 1/2 (hypot 1 x)) (/ 1/2 (hypot 1 x))) (- (* 1/2 1/2) (* (/ 1/2 (hypot 1 x)) 1/2)))))

simplify2.2s

Counts
134 → 134
Iterations
IterNodes
done5015
22968
1731
0240

prune1.4s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 13.7b

localize55.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))
0.0b
(* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))
0.5b
(* (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))) (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))))
1.2b
(- 1 (* (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))) (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2)))))

rewrite632.0ms

Algorithm
rewrite-expression-head
Rules
264×sqrt-div
144×frac-times
134×sqrt-pow1
129×pow1
120×flip3-+ flip-+
63×pow-prod-up
48×associate-*l/ associate-*r/
46×pow1/2
37×pow-plus
33×add-sqr-sqrt
31×pow-prod-down
23×*-un-lft-identity
18×associate-*l*
15×pow-sqr
14×add-cube-cbrt sqrt-prod
12×associate-*r*
10×add-cbrt-cube add-exp-log
cube-unmult
add-log-exp
unswap-sqr
swap-sqr insert-posit16 distribute-lft-out
prod-exp *-commutative cbrt-unprod
distribute-rgt-in distribute-lft-in difference-of-squares
pow2 sub-neg rem-square-sqrt flip3-- sqrt-unprod diff-log flip--
Counts
4 → 260
Calls
4 calls:
140.0ms
(* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))
142.0ms
(* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))
309.0ms
(* (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))) (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))))
10.0ms
(- 1 (* (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))) (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2)))))

series394.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))
79.0ms
(* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))
113.0ms
(* (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))) (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))))
97.0ms
(- 1 (* (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2))) (sqrt (* (sqrt (+ (/ 1/2 (hypot 1 x)) 1/2)) (+ (/ 1/2 (hypot 1 x)) 1/2)))))

simplify2.3s

Counts
272 → 272
Iterations
IterNodes
done5001
21668
1616
0305

prune1.3s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 13.7b

regimes88.0ms

Accuracy

0% (0.3b remaining)

Error of 15.1b against oracle of 14.8b and baseline of 15.1b

bsearch0.0ms

simplify6.0ms

Iterations
IterNodes
done20
120
014

end0.0ms

sample2.6s

Algorithm
intervals
Results
1.8s2892×body1280valid
373.0ms3996×body80valid
186.0ms639×body640valid
62.0ms320×body320valid
23.0ms153×body160valid