Details

Time bar (total: 17.4s)

sample61.0ms

Algorithm
intervals
Results
13.0ms59×body640valid
11.0ms44×body1280valid
11.0ms241×body80nan
7.0ms123×body80valid
4.0ms24×body320valid
1.0msbody160valid

simplify6.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0811
11111
21411
done1411

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.9b

localize14.0ms

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))
1.6b
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

rewrite154.0ms

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-exp-log add-cbrt-cube distribute-lft-out
associate-/l* add-log-exp
pow1
sqrt-div div-inv
cbrt-undiv frac-2neg flip3-+ div-exp clear-num associate-/r/ flip-+
sub-neg rem-sqrt-square flip3-- sqrt-pow1 pow1/2 diff-log frac-sub flip--
Counts
4 → 133
Calls
4 calls:
15.0ms
(sqrt (+ x 1.0))
26.0ms
(/ 1.0 (sqrt (+ x 1.0)))
13.0ms
(/ 1.0 (sqrt x))
88.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

series384.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(sqrt (+ x 1.0))
99.0ms
(/ 1.0 (sqrt (+ x 1.0)))
52.0ms
(/ 1.0 (sqrt x))
193.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

simplify2.0s

Counts
145 → 145
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02151942
14441778
210511698
326471673
done50001657

prune493.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 17.4b

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1.0 (sqrt (+ x 1.0)))
0.2b
(/ 1.0 (sqrt x))
0.2b
(/ (* 1.0 (- (/ 1.0 x) (/ 1.0 (+ x 1.0)))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))
1.6b
(- (/ 1.0 x) (/ 1.0 (+ x 1.0)))

rewrite344.0ms

Algorithm
rewrite-expression-head
Rules
124×*-un-lft-identity
105×times-frac
65×add-sqr-sqrt
53×add-cube-cbrt
52×sqrt-prod
35×distribute-lft-out
27×associate-/r*
13×add-exp-log add-cbrt-cube
div-inv
distribute-lft-out--
associate-/l*
add-log-exp
associate-/r/
pow1 cbrt-undiv div-exp difference-of-squares
frac-2neg associate-*r/ clear-num associate-/l/
flip3-- flip3-+ sqrt-div frac-sub flip-- flip-+
sub-neg diff-log frac-add prod-exp cbrt-unprod
Counts
4 → 158
Calls
4 calls:
25.0ms
(/ 1.0 (sqrt (+ x 1.0)))
12.0ms
(/ 1.0 (sqrt x))
224.0ms
(/ (* 1.0 (- (/ 1.0 x) (/ 1.0 (+ x 1.0)))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))
68.0ms
(- (/ 1.0 x) (/ 1.0 (+ x 1.0)))

series792.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(/ 1.0 (sqrt (+ x 1.0)))
66.0ms
(/ 1.0 (sqrt x))
528.0ms
(/ (* 1.0 (- (/ 1.0 x) (/ 1.0 (+ x 1.0)))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))
78.0ms
(- (/ 1.0 x) (/ 1.0 (+ x 1.0)))

simplify2.0s

Counts
170 → 170
Iterations

Useful iterations: done (2.0s)

IterNodesCost
03393045
18222803
225572592
done50022590

prune762.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (* 1.0 (- (* 1.0 (+ x 1.0)) (* x 1.0))) (* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0))))
0.2b
(/ 1.0 (sqrt x))
1.2b
(- (* 1.0 (+ x 1.0)) (* x 1.0))
5.1b
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

rewrite663.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
37×times-frac
32×add-exp-log add-cbrt-cube
26×add-sqr-sqrt add-cube-cbrt
24×sqrt-prod
22×associate-*r/
14×flip3-+ associate-*l* flip-+ distribute-lft-out
12×frac-times prod-exp cbrt-unprod
11×associate-/r/
pow1
cbrt-undiv div-exp associate-/r*
associate-*l/ frac-add add-log-exp
distribute-rgt-in distribute-lft-in
div-inv associate-/l*
pow-prod-down
flip3-- frac-2neg associate--l+ clear-num flip-- associate-/l/
sub-neg diff-log associate-*r* *-commutative
Counts
4 → 135
Calls
4 calls:
189.0ms
(/ (* 1.0 (- (* 1.0 (+ x 1.0)) (* x 1.0))) (* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0))))
12.0ms
(/ 1.0 (sqrt x))
30.0ms
(- (* 1.0 (+ x 1.0)) (* x 1.0))
425.0ms
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

series1.2s

Counts
4 → 12
Calls
4 calls:
624.0ms
(/ (* 1.0 (- (* 1.0 (+ x 1.0)) (* x 1.0))) (* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0))))
46.0ms
(/ 1.0 (sqrt x))
2.0ms
(- (* 1.0 (+ x 1.0)) (* x 1.0))
523.0ms
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

simplify2.4s

Counts
147 → 147
Iterations

Useful iterations: 2 (1.0s)

IterNodesCost
03333744
110073614
246252955
done50002955

prune526.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1.0 (sqrt (+ x 1.0)))
0.2b
(/ 1.0 (sqrt x))
0.3b
(/ (* 1.0 1.0) (* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0))))
5.1b
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

rewrite455.0ms

Algorithm
rewrite-expression-head
Rules
73×*-un-lft-identity
58×times-frac
42×add-sqr-sqrt add-cube-cbrt
40×sqrt-prod
34×add-exp-log add-cbrt-cube
20×associate-*r/
18×distribute-lft-out
15×flip3-+ flip-+
14×associate-*l* associate-/r*
13×associate-/r/
12×frac-times prod-exp cbrt-unprod
pow1
cbrt-undiv div-exp
associate-/l*
associate-*l/ frac-add
div-inv
distribute-rgt-in distribute-lft-in add-log-exp
frac-2neg pow-prod-down clear-num
sqrt-div
associate-*r* *-commutative
Counts
4 → 164
Calls
4 calls:
14.0ms
(/ 1.0 (sqrt (+ x 1.0)))
12.0ms
(/ 1.0 (sqrt x))
117.0ms
(/ (* 1.0 1.0) (* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0))))
302.0ms
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

series1.0s

Counts
4 → 12
Calls
4 calls:
85.0ms
(/ 1.0 (sqrt (+ x 1.0)))
40.0ms
(/ 1.0 (sqrt x))
589.0ms
(/ (* 1.0 1.0) (* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0))))
325.0ms
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

simplify1.8s

Counts
176 → 176
Iterations

Useful iterations: 2 (781.0ms)

IterNodesCost
03593687
19883475
241123014
done50003014

prune720.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

regimes43.0ms

Accuracy

0% (0.3b remaining)

Error of 0.8b against oracle of 0.5b and baseline of 0.8b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01221
11621
done1621

end0.0ms

sample1.5s

Algorithm
intervals
Results
411.0ms8200×body80nan
279.0ms1792×body640valid
227.0ms1096×body1280valid
227.0ms4115×body80valid
121.0ms688×body320valid
21.0ms309×body160valid