Details

Time bar (total: 16.9s)

sample27.0ms

Algorithm
intervals
Results
7.0ms54×body1280valid
5.0ms44×body640valid
4.0ms132×body80valid
2.0ms19×body320valid
0.0msbody160valid

simplify2.8s

Counts
1 → 1
Iterations
IterNodes
done5000
124085
111745
10535
9183
879
758
639
527
421
319
216
112
07

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.0b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ x (+ 1.0 x))
0.0b
(/ (+ 1.0 x) (- x 1.0))
2.7b
(- (/ x (+ 1.0 x)) (/ (+ 1.0 x) (- x 1.0)))

rewrite263.0ms

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-cbrt-cube add-exp-log associate-/l*
add-log-exp
expm1-log1p-u pow1 log1p-expm1-u
cbrt-undiv clear-num frac-2neg div-exp associate-/l/
sub-neg diff-log frac-sub
Counts
3 → 596
Calls
3 calls:
18.0ms
(/ x (+ 1.0 x))
23.0ms
(/ (+ 1.0 x) (- x 1.0))
138.0ms
(- (/ x (+ 1.0 x)) (/ (+ 1.0 x) (- x 1.0)))

series309.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(/ x (+ 1.0 x))
52.0ms
(/ (+ 1.0 x) (- x 1.0))
208.0ms
(- (/ x (+ 1.0 x)) (/ (+ 1.0 x) (- x 1.0)))

simplify2.3s

Counts
605 → 605
Iterations
IterNodes
done5000
24626
11268
0528

prune1.7s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize46.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
2.7b
(fma (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))) (/ (cbrt x) (cbrt (+ 1.0 x))) (/ (- (+ 1.0 x)) (- x 1.0)))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
pow1/3
fma-udef
Counts
4 → 49
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)
0.0ms
(fma (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))) (/ (cbrt x) (cbrt (+ 1.0 x))) (/ (- (+ 1.0 x)) (- x 1.0)))

series1.5s

Counts
4 → 12
Calls
4 calls:
208.0ms
(cbrt x)
270.0ms
(cbrt x)
261.0ms
(cbrt x)
724.0ms
(fma (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))) (/ (cbrt x) (cbrt (+ 1.0 x))) (/ (- (+ 1.0 x)) (- x 1.0)))

simplify671.0ms

Counts
61 → 61
Iterations
IterNodes
done5001
21031
1270
0101

prune459.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- (+ 1.0 x)) (- x 1.0))
0.0b
(/ 1 (+ 1.0 x))
29.6b
(fma x (/ 1 (+ 1.0 x)) (/ (- (+ 1.0 x)) (- x 1.0)))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
101×*-un-lft-identity
72×times-frac
69×add-sqr-sqrt
43×add-cube-cbrt
24×distribute-lft-neg-in distribute-rgt-neg-in
16×distribute-lft-out
15×associate-/l*
13×distribute-lft-out-- difference-of-squares
associate-/r* add-exp-log
add-cbrt-cube
neg-mul-1
pow1 associate-/r/
expm1-log1p-u div-exp log1p-expm1-u add-log-exp
cbrt-undiv clear-num frac-2neg flip3-+ flip-+ div-inv distribute-neg-frac associate-/l/
neg-sub0 rec-exp flip3-- 1-exp div-sub distribute-frac-neg fma-udef pow-flip flip-- inv-pow
Counts
3 → 146
Calls
3 calls:
43.0ms
(/ (- (+ 1.0 x)) (- x 1.0))
19.0ms
(/ 1 (+ 1.0 x))
1.0ms
(fma x (/ 1 (+ 1.0 x)) (/ (- (+ 1.0 x)) (- x 1.0)))

series276.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(/ (- (+ 1.0 x)) (- x 1.0))
29.0ms
(/ 1 (+ 1.0 x))
195.0ms
(fma x (/ 1 (+ 1.0 x)) (/ (- (+ 1.0 x)) (- x 1.0)))

simplify1.5s

Counts
155 → 155
Iterations
IterNodes
done5000
22202
1517
0222

prune462.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- (+ 1.0 x)) (- x 1.0))
15.0b
(/ x (- (* 1.0 1.0) (* x x)))
29.5b
(fma (/ x (- (* 1.0 1.0) (* x x))) (- 1.0 x) (/ (- (+ 1.0 x)) (- x 1.0)))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
93×*-un-lft-identity
72×times-frac
69×add-sqr-sqrt
43×add-cube-cbrt
24×distribute-lft-neg-in distribute-rgt-neg-in
17×difference-of-squares
15×associate-/l*
13×distribute-lft-out--
12×distribute-lft-out
associate-/r*
add-cbrt-cube add-exp-log
neg-mul-1
associate-/r/
expm1-log1p-u pow1 log1p-expm1-u add-log-exp
cbrt-undiv clear-num frac-2neg flip3-- div-exp div-inv flip-- distribute-neg-frac associate-/l/
neg-sub0 flip3-+ div-sub distribute-frac-neg flip-+ fma-udef
Counts
3 → 142
Calls
3 calls:
49.0ms
(/ (- (+ 1.0 x)) (- x 1.0))
21.0ms
(/ x (- (* 1.0 1.0) (* x x)))
1.0ms
(fma (/ x (- (* 1.0 1.0) (* x x))) (- 1.0 x) (/ (- (+ 1.0 x)) (- x 1.0)))

series335.0ms

Counts
3 → 9
Calls
3 calls:
79.0ms
(/ (- (+ 1.0 x)) (- x 1.0))
86.0ms
(/ x (- (* 1.0 1.0) (* x x)))
169.0ms
(fma (/ x (- (* 1.0 1.0) (* x x))) (- 1.0 x) (/ (- (+ 1.0 x)) (- x 1.0)))

simplify1.6s

Counts
151 → 151
Iterations
IterNodes
done5000
22659
1602
0247

prune716.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

regimes78.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 28.8b

bsearch112.0ms

Steps
ItersRangePoint
9
2205.5689030668646
4825064884.677679
10454.066790945864
10
-185496355225.45163
-22.8286883066892
-13946.27375560417

simplify10.0ms

Iterations
IterNodes
done40
240
139
025

end0.0ms

sample1.7s

Algorithm
intervals
Results
798.0ms1659×body1280valid
341.0ms1242×body640valid
221.0ms4183×body80valid
81.0ms629×body320valid
23.0ms287×body160valid