Details

Time bar (total: 13.4s)

sample63.0ms

Algorithm
intervals
Results
22.0ms61×body1280valid
12.0ms272×body80nan
7.0ms39×body640valid
6.0ms124×body80valid
2.0ms16×body320valid
2.0ms16×body160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.6b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ x 1))
4.9b
(- (sqrt (+ x 1)) (sqrt x))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt *-un-lft-identity sqrt-prod
add-log-exp difference-of-squares
pow1 add-cube-cbrt distribute-lft-out--
add-cbrt-cube sqrt-div add-exp-log insert-posit16 distribute-lft-out
rem-sqrt-square sub-neg sqrt-pow1 flip3-+ flip3-- pow1/2 diff-log flip-+ flip--
Counts
2 → 37
Calls
2 calls:
8.0ms
(sqrt (+ x 1))
45.0ms
(- (sqrt (+ x 1)) (sqrt x))

series109.0ms

Counts
2 → 6
Calls
2 calls:
27.0ms
(sqrt (+ x 1))
82.0ms
(- (sqrt (+ x 1)) (sqrt x))

simplify1.5s

Counts
43 → 43
Iterations
IterNodes
done5000
32219
2571
1178
081

prune124.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(sqrt (+ x 1))
0.0b
(+ (sqrt (+ x 1)) (sqrt x))
0.1b
(/ 1 (+ (sqrt (+ x 1)) (sqrt x)))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
52×*-un-lft-identity
24×sqrt-prod
21×distribute-lft-out
18×times-frac
16×add-sqr-sqrt
15×add-cube-cbrt
add-exp-log
associate-/r*
pow1 add-cbrt-cube add-log-exp
flip3-+ flip-+ insert-posit16 associate-/l*
sqrt-div div-exp associate-/r/
cbrt-undiv +-commutative rem-sqrt-square rec-exp clear-num sum-log frac-2neg sqrt-pow1 pow1/2 1-exp div-inv pow-flip inv-pow
Counts
3 → 78
Calls
3 calls:
4.0ms
(sqrt (+ x 1))
28.0ms
(+ (sqrt (+ x 1)) (sqrt x))
25.0ms
(/ 1 (+ (sqrt (+ x 1)) (sqrt x)))

series195.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(sqrt (+ x 1))
64.0ms
(+ (sqrt (+ x 1)) (sqrt x))
88.0ms
(/ 1 (+ (sqrt (+ x 1)) (sqrt x)))

simplify933.0ms

Counts
87 → 87
Iterations
IterNodes
done5001
2995
1266
0120

prune327.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
0.1b
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
0.2b
(/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x))))
0.2b
(/ (/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

rewrite212.0ms

Algorithm
rewrite-expression-head
Rules
742×*-un-lft-identity
700×sqrt-prod
594×times-frac
280×distribute-lft-out
254×add-sqr-sqrt
252×add-cube-cbrt
36×associate-/l*
28×sqrt-div
24×associate-/r/
18×associate-/r*
17×add-exp-log
15×pow1
14×flip3-+ flip-+
12×div-inv
11×add-cbrt-cube
div-exp pow-flip
sqrt-pow1 pow1/2
pow-div
cbrt-undiv insert-posit16 add-log-exp
rem-sqrt-square rec-exp clear-num frac-2neg 1-exp inv-pow
associate-/l/
Counts
4 → 463
Calls
4 calls:
29.0ms
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
22.0ms
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
47.0ms
(/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x))))
93.0ms
(/ (/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

series598.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
132.0ms
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
202.0ms
(/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x))))
127.0ms
(/ (/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

simplify2.2s

Counts
475 → 475
Iterations
IterNodes
done5001
23806
1921
0364

prune1.4s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (sqrt (+ x 1)) (sqrt x))
0.0b
(pow (+ (sqrt (+ x 1)) (sqrt x)) -1/2)
0.1b
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
0.2b
(/ (pow (+ (sqrt (+ x 1)) (sqrt x)) -1/2) (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

rewrite222.0ms

Algorithm
rewrite-expression-head
Rules
217×*-un-lft-identity
168×sqrt-prod
96×distribute-lft-out
90×times-frac
66×unpow-prod-down
50×add-sqr-sqrt
49×add-cube-cbrt
11×sqr-pow
10×add-exp-log associate-/l*
associate-/r*
pow1
add-cbrt-cube add-log-exp
sqrt-div insert-posit16
pow-unpow flip3-+ div-exp flip-+
pow-to-exp sqrt-pow1 pow1/2 pow-exp associate-/r/ pow-div
cbrt-undiv +-commutative rem-sqrt-square clear-num sum-log pow-pow frac-2neg div-inv
Counts
4 → 183
Calls
4 calls:
36.0ms
(+ (sqrt (+ x 1)) (sqrt x))
41.0ms
(pow (+ (sqrt (+ x 1)) (sqrt x)) -1/2)
21.0ms
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
120.0ms
(/ (pow (+ (sqrt (+ x 1)) (sqrt x)) -1/2) (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

series571.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(+ (sqrt (+ x 1)) (sqrt x))
211.0ms
(pow (+ (sqrt (+ x 1)) (sqrt x)) -1/2)
172.0ms
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
112.0ms
(/ (pow (+ (sqrt (+ x 1)) (sqrt x)) -1/2) (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

simplify1.6s

Counts
195 → 195
Iterations
IterNodes
done5000
22062
1455
0210

prune788.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0b

regimes49.0ms

Accuracy

0% (0.1b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done11
111
07

end0.0ms

sample2.5s

Algorithm
intervals
Results
731.0ms4044×body80valid
567.0ms1761×body1280valid
419.0ms8083×body80nan
364.0ms1275×body640valid
116.0ms595×body320valid
32.0ms325×body160valid