Details

Time bar (total: 17.0s)

sample92.0ms

Algorithm
intervals
Results
53.0ms95×body1280valid
9.0ms121×body80valid
7.0ms20×body640valid
4.0ms12×body320valid
1.0msbody160valid

simplify36.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0912
11912
22412
32812
43012
53512
63612
done3612

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.8b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1.0 (hypot 1.0 x))
0.0b
(sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x)))))
2.1b
(- 1.0 (sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x))))))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
times-frac
pow1
add-exp-log add-cbrt-cube add-log-exp
associate-/r* associate-/l*
sqrt-pow1 sqrt-div associate-*r/
cbrt-undiv sub-neg flip3-- frac-2neg flip3-+ pow1/2 diff-log div-exp pow-prod-down clear-num sqrt-prod flip-- flip-+ div-inv distribute-lft-out-- difference-of-squares
Counts
3 → 54
Calls
3 calls:
5.0ms
(/ 1.0 (hypot 1.0 x))
20.0ms
(sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x)))))
7.0ms
(- 1.0 (sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x))))))

series647.0ms

Counts
3 → 9
Calls
3 calls:
8.0ms
(/ 1.0 (hypot 1.0 x))
96.0ms
(sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x)))))
544.0ms
(- 1.0 (sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x))))))

simplify3.7s

Counts
63 → 63
Iterations

Useful iterations: 4 (2.0s)

IterNodesCost
0105855
1202779
2471735
31197733
44096731
done5001731

prune208.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 16.4b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (hypot 1.0 x))
0.0b
(+ 1.0 (sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x))))))
0.0b
(/ (- (* 1.0 1.0) (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x))))) (+ 1.0 (sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x)))))))
1.7b
(- (* 1.0 1.0) (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x)))))

rewrite81.0ms

Algorithm
rewrite-expression-head
Rules
31×*-un-lft-identity
21×add-sqr-sqrt add-cube-cbrt times-frac
add-exp-log add-cbrt-cube add-log-exp
associate-/r*
associate-/l*
distribute-lft-out
pow1
cbrt-undiv flip3-- frac-2neg flip3-+ div-exp clear-num associate-/r/ flip-- flip-+ div-inv associate-/l/ associate--r+
+-commutative distribute-rgt-in sub-neg distribute-lft-in diff-log div-sub sum-log
Counts
4 → 89
Calls
4 calls:
9.0ms
(/ 1.0 (hypot 1.0 x))
11.0ms
(+ 1.0 (sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x))))))
43.0ms
(/ (- (* 1.0 1.0) (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x))))) (+ 1.0 (sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x)))))))
13.0ms
(- (* 1.0 1.0) (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x)))))

series407.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(/ 1.0 (hypot 1.0 x))
107.0ms
(+ 1.0 (sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x))))))
230.0ms
(/ (- (* 1.0 1.0) (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x))))) (+ 1.0 (sqrt (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x)))))))
62.0ms
(- (* 1.0 1.0) (* 0.5 (+ 1.0 (/ 1.0 (hypot 1.0 x)))))

simplify1.2s

Counts
101 → 101
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01492415
13542319
212062115
done50001912

prune473.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 16.3b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5)))
0.0b
(/ (- 0.5 (/ 0.5 (hypot 1.0 x))) (+ 1.0 (* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))))
0.5b
(* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))
1.6b
(- 0.5 (/ 0.5 (hypot 1.0 x)))

rewrite179.0ms

Algorithm
rewrite-expression-head
Rules
52×add-sqr-sqrt
31×*-un-lft-identity
23×times-frac
19×add-cube-cbrt
11×sqrt-prod
10×difference-of-squares
pow1 add-exp-log add-cbrt-cube add-log-exp
associate-*l*
associate-*r* associate-/l*
distribute-lft-out--
unswap-sqr
flip3-+ pow-prod-down associate-/r* flip-+
flip3-- sqrt-pow1 pow1/2 sqrt-div associate-*l/ associate-/r/ flip-- associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg sqrt-unprod diff-log div-sub div-exp prod-exp clear-num sum-log *-commutative cbrt-unprod div-inv distribute-lft-out
Counts
4 → 103
Calls
4 calls:
11.0ms
(+ 1.0 (* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5)))
73.0ms
(/ (- 0.5 (/ 0.5 (hypot 1.0 x))) (+ 1.0 (* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))))
73.0ms
(* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))
16.0ms
(- 0.5 (/ 0.5 (hypot 1.0 x)))

series483.0ms

Counts
4 → 12
Calls
4 calls:
108.0ms
(+ 1.0 (* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5)))
218.0ms
(/ (- 0.5 (/ 0.5 (hypot 1.0 x))) (+ 1.0 (* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))))
100.0ms
(* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))
57.0ms
(- 0.5 (/ 0.5 (hypot 1.0 x)))

simplify2.6s

Counts
115 → 115
Iterations

Useful iterations: 3 (962.0ms)

IterNodesCost
01672692
13932576
210422414
331512412
done50002412

prune487.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 16.3b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ 1.0 (* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))) (+ (* 0.5 0.5) (* (/ 0.5 (hypot 1.0 x)) (+ 0.5 (/ 0.5 (hypot 1.0 x))))))
0.1b
(pow (/ 0.5 (hypot 1.0 x)) 3)
0.5b
(* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))
1.6b
(- (pow 0.5 3) (pow (/ 0.5 (hypot 1.0 x)) 3))

rewrite183.0ms

Algorithm
rewrite-expression-head
Rules
81×add-sqr-sqrt
37×*-un-lft-identity
31×unpow-prod-down cube-prod
26×times-frac
25×add-cube-cbrt
24×difference-of-squares
11×pow1 add-exp-log sqrt-prod add-cbrt-cube sqr-pow
10×associate-*l*
associate-*r*
flip3-+ flip-+
add-log-exp
distribute-lft-out-- unswap-sqr
frac-times pow-prod-down associate-*l/
pow-unpow
sqrt-pow1 pow1/2 sqrt-div associate-*r/ pow-exp prod-exp *-commutative cbrt-unprod div-inv rem-cube-cbrt
difference-cubes cbrt-undiv cube-div distribute-rgt-in cube-mult pow-to-exp sub-neg flip3-- pow-pow distribute-lft-in sqrt-unprod diff-log unpow3 div-exp flip-- distribute-lft-out
Counts
4 → 149
Calls
4 calls:
55.0ms
(* (+ 1.0 (* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))) (+ (* 0.5 0.5) (* (/ 0.5 (hypot 1.0 x)) (+ 0.5 (/ 0.5 (hypot 1.0 x))))))
8.0ms
(pow (/ 0.5 (hypot 1.0 x)) 3)
62.0ms
(* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))
52.0ms
(- (pow 0.5 3) (pow (/ 0.5 (hypot 1.0 x)) 3))

series512.0ms

Counts
4 → 12
Calls
4 calls:
273.0ms
(* (+ 1.0 (* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))) (+ (* 0.5 0.5) (* (/ 0.5 (hypot 1.0 x)) (+ 0.5 (/ 0.5 (hypot 1.0 x))))))
48.0ms
(pow (/ 0.5 (hypot 1.0 x)) 3)
93.0ms
(* (sqrt (+ 1.0 (/ 1.0 (hypot 1.0 x)))) (sqrt 0.5))
98.0ms
(- (pow 0.5 3) (pow (/ 0.5 (hypot 1.0 x)) 3))

simplify2.4s

Counts
161 → 161
Iterations

Useful iterations: done (2.4s)

IterNodesCost
02693759
18023454
234163174
done50013172

prune742.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 16.1b

regimes96.0ms

Accuracy

0% (0.3b remaining)

Error of 15.4b against oracle of 15.2b and baseline of 15.4b

bsearch0.0ms

simplify14.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02450
13150
done3150

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.4s2831×body1280valid
313.0ms4019×body80valid
224.0ms656×body640valid
54.0ms336×body320valid
16.0ms158×body160valid