Details

Time bar (total: 30.0s)

sample95.0ms

Algorithm
intervals
Results
17.0ms272×body80nan
17.0ms41×body1280valid
16.0ms59×body640valid
10.0ms123×body80valid
4.0ms19×body320valid
2.0ms14×body160valid

simplify41.0ms

Counts
1 → 1
Iterations
IterNodes
done14
214
111
08

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 20.0b

localize90.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.1b
(/ 1.0 (sqrt (+ x 1.0)))
0.2b
(/ 1.0 (sqrt x))
4.8b
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

rewrite227.0ms

Algorithm
rewrite-expression-head
Rules
75×*-un-lft-identity
73×add-sqr-sqrt
69×times-frac
50×sqrt-prod
42×add-cube-cbrt
13×associate-/r*
11×distribute-lft-out--
difference-of-squares
add-cbrt-cube add-exp-log distribute-lft-out
associate-/l* add-log-exp
pow1
sqrt-div insert-posit16 div-inv
cbrt-undiv clear-num frac-2neg flip3-+ div-exp associate-/r/ flip-+
rem-sqrt-square sub-neg sqrt-pow1 flip3-- pow1/2 diff-log frac-sub flip--
Counts
4 → 137
Calls
4 calls:
29.0ms
(sqrt (+ x 1.0))
36.0ms
(/ 1.0 (sqrt (+ x 1.0)))
12.0ms
(/ 1.0 (sqrt x))
137.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

series393.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(sqrt (+ x 1.0))
96.0ms
(/ 1.0 (sqrt (+ x 1.0)))
69.0ms
(/ 1.0 (sqrt x))
188.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

simplify6.8s

Counts
149 → 149
Iterations
IterNodes
done5019
33556
21183
1466
0220

prune1.2s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 19.3b

localize179.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- (* (/ 1.0 (sqrt x)) (/ 1.0 (sqrt x))) (* (/ 1.0 (sqrt (+ x 1.0))) (/ 1.0 (sqrt (+ x 1.0))))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))
0.3b
(* (/ 1.0 (sqrt (+ x 1.0))) (/ 1.0 (sqrt (+ x 1.0))))
0.4b
(* (/ 1.0 (sqrt x)) (/ 1.0 (sqrt x)))
4.8b
(- (* (/ 1.0 (sqrt x)) (/ 1.0 (sqrt x))) (* (/ 1.0 (sqrt (+ x 1.0))) (/ 1.0 (sqrt (+ x 1.0)))))

rewrite681.0ms

Algorithm
rewrite-expression-head
Rules
362×times-frac
331×*-un-lft-identity
258×add-sqr-sqrt
180×sqrt-prod
174×add-cube-cbrt
88×distribute-lft-out
67×swap-sqr
49×associate-*r* associate-*l*
30×add-cbrt-cube add-exp-log
19×div-inv
18×pow1 frac-sub unswap-sqr
16×difference-of-squares
14×frac-times associate-/r* associate-*l/ associate-*r/
11×associate-/r/ associate-/l/
cbrt-undiv div-exp
sqrt-div prod-exp cbrt-unprod
add-log-exp
flip3-+ flip-+
insert-posit16 associate-/l*
pow2 pow-plus flip3-- pow-prod-down pow-sqr *-commutative pow-prod-up flip--
clear-num sub-neg frac-2neg diff-log div-sub frac-add
Counts
4 → 358
Calls
4 calls:
362.0ms
(/ (- (* (/ 1.0 (sqrt x)) (/ 1.0 (sqrt x))) (* (/ 1.0 (sqrt (+ x 1.0))) (/ 1.0 (sqrt (+ x 1.0))))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))
151.0ms
(* (/ 1.0 (sqrt (+ x 1.0))) (/ 1.0 (sqrt (+ x 1.0))))
69.0ms
(* (/ 1.0 (sqrt x)) (/ 1.0 (sqrt x)))
39.0ms
(- (* (/ 1.0 (sqrt x)) (/ 1.0 (sqrt x))) (* (/ 1.0 (sqrt (+ x 1.0))) (/ 1.0 (sqrt (+ x 1.0)))))

series640.0ms

Counts
4 → 12
Calls
4 calls:
479.0ms
(/ (- (* (/ 1.0 (sqrt x)) (/ 1.0 (sqrt x))) (* (/ 1.0 (sqrt (+ x 1.0))) (/ 1.0 (sqrt (+ x 1.0))))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))
42.0ms
(* (/ 1.0 (sqrt (+ x 1.0))) (/ 1.0 (sqrt (+ x 1.0))))
38.0ms
(* (/ 1.0 (sqrt x)) (/ 1.0 (sqrt x)))
80.0ms
(- (* (/ 1.0 (sqrt x)) (/ 1.0 (sqrt x))) (* (/ 1.0 (sqrt (+ x 1.0))) (/ 1.0 (sqrt (+ x 1.0)))))

simplify3.8s

Counts
370 → 370
Iterations
IterNodes
done5000
11746
0523

prune2.9s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.7b

localize220.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
0.5b
(* (sqrt x) (sqrt x))
0.5b
(* (sqrt x) (sqrt x))
4.4b
(- (* (* 1.0 1.0) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))) (* (* (sqrt x) (sqrt x)) (* 1.0 1.0)))

rewrite388.0ms

Algorithm
rewrite-expression-head
Rules
64×add-sqr-sqrt
62×sqrt-prod
49×pow1
42×*-un-lft-identity
28×add-cube-cbrt
27×swap-sqr
24×sqrt-pow1 pow1/2
19×associate-*r* associate-*l*
15×pow-prod-up
12×sqrt-div unswap-sqr
10×add-cbrt-cube add-exp-log
pow-prod-down pow-sqr
flip3-+ flip-+ distribute-lft-out add-log-exp
frac-times insert-posit16
pow2 rem-square-sqrt pow-plus sqrt-unprod prod-exp *-commutative cbrt-unprod
associate-*l/ associate-*r/
sub-neg flip3-- diff-log flip--
Counts
4 → 176
Calls
4 calls:
91.0ms
(* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
41.0ms
(* (sqrt x) (sqrt x))
31.0ms
(* (sqrt x) (sqrt x))
202.0ms
(- (* (* 1.0 1.0) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))) (* (* (sqrt x) (sqrt x)) (* 1.0 1.0)))

series99.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
21.0ms
(* (sqrt x) (sqrt x))
23.0ms
(* (sqrt x) (sqrt x))
26.0ms
(- (* (* 1.0 1.0) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))) (* (* (sqrt x) (sqrt x)) (* 1.0 1.0)))

simplify2.4s

Counts
188 → 188
Iterations
IterNodes
done5000
21136
1366
0150

prune1.1s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 5.6b

localize132.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
0.5b
(* (sqrt x) (sqrt x))
0.7b
(/ 1.0 (* (* (sqrt x) (sqrt x)) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))))
4.9b
(/ (/ 1.0 (* (* (sqrt x) (sqrt x)) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))

rewrite736.0ms

Algorithm
rewrite-expression-head
Rules
546×*-un-lft-identity times-frac
236×sqrt-prod
230×distribute-lft-out
204×sqrt-div
188×add-sqr-sqrt
164×add-cube-cbrt
162×associate-*r/
131×associate-/r/
103×flip3-+ flip-+
68×frac-times
51×add-cbrt-cube add-exp-log
49×div-inv
34×pow1 associate-*l/
19×swap-sqr
18×prod-exp cbrt-unprod associate-/l*
16×cbrt-undiv sqrt-pow1 pow1/2 div-exp
15×associate-/r*
13×associate-*r* associate-*l*
10×pow-prod-up
unswap-sqr
pow-prod-down pow-sqr
insert-posit16 add-log-exp
pow2 clear-num rem-square-sqrt frac-2neg pow-plus sqrt-unprod *-commutative
frac-add associate-/l/
Counts
4 → 415
Calls
4 calls:
79.0ms
(* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
28.0ms
(* (sqrt x) (sqrt x))
159.0ms
(/ 1.0 (* (* (sqrt x) (sqrt x)) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))))
377.0ms
(/ (/ 1.0 (* (* (sqrt x) (sqrt x)) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))

series670.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
19.0ms
(* (sqrt x) (sqrt x))
59.0ms
(/ 1.0 (* (* (sqrt x) (sqrt x)) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))))
568.0ms
(/ (/ 1.0 (* (* (sqrt x) (sqrt x)) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))

simplify3.1s

Counts
427 → 427
Iterations
IterNodes
done5000
11682
0568

prune1.9s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

regimes149.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify7.0ms

Iterations
IterNodes
done16
116
013

end0.0ms

sample2.2s

Algorithm
intervals
Results
445.0ms8083×body80nan
425.0ms1852×body640valid
372.0ms4040×body80valid
363.0ms605×body320valid
327.0ms1185×body1280valid
32.0ms318×body160valid