Details

Time bar (total: 17.7s)

sample42.0ms

Algorithm
intervals
Results
10.0ms45×body1280valid
9.0ms48×body640valid
7.0ms137×body80valid
2.0ms12×body320valid
1.0ms14×body160valid

simplify161.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0713
11213
21613
31913
42113
52713
63913
75813
87713
99913
1011313
1111913
1212313
done12313

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.9b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ x (+ x 1.0))
0.0b
(/ (+ x 1.0) (- x 1.0))
3.9b
(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

rewrite306.0ms

Algorithm
rewrite-expression-head
Rules
981×*-un-lft-identity
736×times-frac
585×add-sqr-sqrt
468×prod-diff
419×add-cube-cbrt
189×distribute-lft-out
94×associate-/r/
90×distribute-lft-out--
81×difference-of-squares
47×div-inv
29×flip3-+ flip-+
20×flip3-- flip--
18×fma-neg
associate-/r*
add-exp-log add-cbrt-cube associate-/l*
add-log-exp
pow1 expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-2neg div-exp clear-num associate-/l/
sub-neg diff-log frac-sub
Counts
3 → 596
Calls
3 calls:
12.0ms
(/ x (+ x 1.0))
28.0ms
(/ (+ x 1.0) (- x 1.0))
195.0ms
(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

series294.0ms

Counts
3 → 9
Calls
3 calls:
44.0ms
(/ x (+ x 1.0))
43.0ms
(/ (+ x 1.0) (- x 1.0))
208.0ms
(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

simplify3.5s

Counts
605 → 605
Iterations

Useful iterations: done (3.4s)

IterNodesCost
052334216
1119930851
2282322735
done500016848

prune557.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (+ x 1.0) (- x 1.0))
0.0b
(exp (/ x (+ x 1.0)))
3.7b
(log (exp (/ x (+ x 1.0))))
3.9b
(- (log (exp (/ x (+ x 1.0)))) (/ (+ x 1.0) (- x 1.0)))

rewrite559.0ms

Algorithm
rewrite-expression-head
Rules
1091×*-un-lft-identity
809×times-frac
687×add-sqr-sqrt
572×prod-diff
533×log-pow
522×exp-prod
496×add-cube-cbrt
203×distribute-lft-out
104×associate-/r/
95×distribute-lft-out-- difference-of-squares
52×div-inv
33×pow1
30×flip3-+ flip-+
24×flip3-- flip--
22×fma-neg
add-exp-log log-prod add-cbrt-cube add-log-exp
associate-/r*
expm1-log1p-u log1p-expm1-u associate-/l*
associate--l+
associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-exp rem-log-exp clear-num rem-exp-log
Counts
4 → 722
Calls
4 calls:
27.0ms
(/ (+ x 1.0) (- x 1.0))
39.0ms
(exp (/ x (+ x 1.0)))
27.0ms
(log (exp (/ x (+ x 1.0))))
379.0ms
(- (log (exp (/ x (+ x 1.0)))) (/ (+ x 1.0) (- x 1.0)))

series319.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(/ (+ x 1.0) (- x 1.0))
77.0ms
(exp (/ x (+ x 1.0)))
49.0ms
(log (exp (/ x (+ x 1.0))))
146.0ms
(- (log (exp (/ x (+ x 1.0)))) (/ (+ x 1.0) (- x 1.0)))

simplify2.7s

Counts
734 → 734
Iterations

Useful iterations: done (2.6s)

IterNodesCost
062142672
1135937238
2294926623
done500019606

prune698.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ x 1.0) (- x 1.0))
0.0b
(* (+ x 1.0) (+ x 1.0))
0.0b
(/ (- (* x (- x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (- x 1.0)))
16.8b
(- (* x (- x 1.0)) (* (+ x 1.0) (+ x 1.0)))

rewrite287.0ms

Algorithm
rewrite-expression-head
Rules
54×*-un-lft-identity
46×associate-*r/
42×add-sqr-sqrt
37×prod-diff
36×add-cube-cbrt flip3-+ flip-+
32×frac-sub
28×frac-times
24×distribute-rgt-in flip3-- distribute-lft-in flip--
22×associate--l+
18×associate-/l/
14×associate-*l/
13×pow1 add-exp-log add-cbrt-cube
associate-*r*
associate-*l* associate-/r/
distribute-lft-out
swap-sqr add-log-exp
sub-neg
expm1-log1p-u log1p-expm1-u
times-frac prod-exp cbrt-unprod associate-/l*
cbrt-undiv div-exp pow-prod-down *-commutative associate--r+ unswap-sqr
pow2 frac-2neg pow-plus fma-neg diff-log div-sub clear-num associate-/r* pow-sqr pow-prod-up div-inv distribute-lft-out-- difference-of-squares
Counts
4 → 201
Calls
4 calls:
62.0ms
(* (+ x 1.0) (- x 1.0))
60.0ms
(* (+ x 1.0) (+ x 1.0))
107.0ms
(/ (- (* x (- x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (- x 1.0)))
38.0ms
(- (* x (- x 1.0)) (* (+ x 1.0) (+ x 1.0)))

series304.0ms

Counts
4 → 12
Calls
4 calls:
117.0ms
(* (+ x 1.0) (- x 1.0))
26.0ms
(* (+ x 1.0) (+ x 1.0))
99.0ms
(/ (- (* x (- x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (- x 1.0)))
61.0ms
(- (* x (- x 1.0)) (* (+ x 1.0) (+ x 1.0)))

simplify3.2s

Counts
213 → 213
Iterations

Useful iterations: done (3.2s)

IterNodesCost
03204818
19764215
248073642
done50003641

prune742.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (+ x 1.0) (- x 1.0))
0.1b
(fma 3.0 x 1.0)
12.3b
(/ (- (fma 3.0 x 1.0)) (* (+ x 1.0) (- x 1.0)))

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt *-un-lft-identity
23×add-cube-cbrt
18×prod-diff
11×distribute-rgt-in distribute-lft-in
10×add-exp-log times-frac add-cbrt-cube associate-/l*
frac-times associate-/r/
distribute-lft-neg-in flip3-- distribute-rgt-neg-in flip3-+ flip-- flip-+
pow1 associate-*r*
associate-*r/ associate-*l* associate-*l/
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv neg-mul-1 sub-neg div-exp prod-exp cbrt-unprod
neg-sub0 frac-2neg div-sub distribute-frac-neg pow-prod-down clear-num associate-/r* *-commutative fma-udef div-inv distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 110
Calls
3 calls:
51.0ms
(* (+ x 1.0) (- x 1.0))
0.0ms
(fma 3.0 x 1.0)
26.0ms
(/ (- (fma 3.0 x 1.0)) (* (+ x 1.0) (- x 1.0)))

series217.0ms

Counts
3 → 9
Calls
3 calls:
96.0ms
(* (+ x 1.0) (- x 1.0))
42.0ms
(fma 3.0 x 1.0)
80.0ms
(/ (- (fma 3.0 x 1.0)) (* (+ x 1.0) (- x 1.0)))

simplify1.7s

Counts
119 → 119
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02091976
15201766
218341562
done50011537

prune282.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

regimes24.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01014
11214
done1214

end0.0ms

sample1.7s

Algorithm
intervals
Results
648.0ms4143×body80valid
371.0ms1673×body1280valid
349.0ms1251×body640valid
123.0ms612×body320valid
26.0ms321×body160valid