Details

Time bar (total: 28.9s)

sample79.0ms

Algorithm
intervals
Results
33.0ms68×body1280valid
15.0ms38×body640valid
12.0ms119×body80valid
5.0ms18×body320valid
3.0ms13×body160valid

simplify309.0ms

Counts
1 → 1
Iterations
IterNodes
17209
16209
15207
14188
13140
12109
1196
1089
969
853
742
632
526
423
322
219
115
07

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.2b

localize22.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (+ x 1) (- x 1))
0.0b
(/ x (+ x 1))
3.4b
(- (/ x (+ x 1)) (/ (+ x 1) (- x 1)))

rewrite183.0ms

Algorithm
rewrite-expression-head
Rules
1284×*-un-lft-identity
984×times-frac
841×add-sqr-sqrt
612×prod-diff
521×add-cube-cbrt
251×distribute-lft-out
158×difference-of-squares
110×associate-/r/
90×distribute-lft-out--
77×difference-of-sqr-1
55×div-inv
37×flip3-+ flip-+
20×flip3-- flip--
18×fma-neg
11×associate-/r*
add-cbrt-cube add-exp-log associate-/l*
add-log-exp
expm1-log1p-u pow1 insert-posit16 log1p-expm1-u
cbrt-undiv clear-num frac-2neg div-exp associate-/l/
sub-neg diff-log frac-sub
Counts
3 → 753
Calls
3 calls:
31.0ms
(/ (+ x 1) (- x 1))
18.0ms
(/ x (+ x 1))
89.0ms
(- (/ x (+ x 1)) (/ (+ x 1) (- x 1)))

series191.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(/ (+ x 1) (- x 1))
34.0ms
(/ x (+ x 1))
115.0ms
(- (/ x (+ x 1)) (/ (+ x 1) (- x 1)))

simplify1.4s

Counts
762 → 762
Iterations
IterNodes
23099
11351
0584

prune8.9s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.2b

localize33.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ 1 x) x)
0.2b
(fma 3 (/ 1 x) (/ (/ 1 x) x))
0.3b
(/ -3 (* x (* x x)))
4.4b
(- (/ -3 (* x (* x x))) (fma 3 (/ 1 x) (/ (/ 1 x) x)))

rewrite92.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
65×add-sqr-sqrt *-un-lft-identity
63×add-cube-cbrt
22×add-exp-log
21×prod-diff
18×add-cbrt-cube
16×associate-/l*
10×div-inv
div-exp
pow1 fma-neg
cbrt-undiv add-log-exp
expm1-log1p-u associate-/r* insert-posit16 log1p-expm1-u
prod-exp cbrt-unprod
clear-num frac-2neg fma-udef pow-div
rec-exp sub-neg flip3-- diff-log 1-exp pow-flip flip-- associate--r+ distribute-lft-out-- inv-pow difference-of-squares associate-/l/
Counts
4 → 160
Calls
4 calls:
7.0ms
(/ (/ 1 x) x)
0.0ms
(fma 3 (/ 1 x) (/ (/ 1 x) x))
18.0ms
(/ -3 (* x (* x x)))
65.0ms
(- (/ -3 (* x (* x x))) (fma 3 (/ 1 x) (/ (/ 1 x) x)))

series206.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(/ (/ 1 x) x)
76.0ms
(fma 3 (/ 1 x) (/ (/ 1 x) x))
59.0ms
(/ -3 (* x (* x x)))
40.0ms
(- (/ -3 (* x (* x x))) (fma 3 (/ 1 x) (/ (/ 1 x) x)))

simplify4.4s

Counts
172 → 172
Iterations
IterNodes
35941
21428
1566
0267

prune1.4s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize35.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ -1 (* x x)) x)
0.6b
(/ -1 (* x x))
0.6b
(/ -1 (* x x))
4.5b
(fma (/ (/ -1 (* x x)) x) 3 (+ (/ -1 (* x x)) (/ -3 x)))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
39×times-frac
24×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
23×add-cbrt-cube add-exp-log
13×associate-/l*
cbrt-undiv div-exp
div-inv
associate-/r*
expm1-log1p-u pow1 insert-posit16 log1p-expm1-u add-log-exp
clear-num frac-2neg prod-exp cbrt-unprod
fma-udef associate-/l/
Counts
4 → 110
Calls
4 calls:
23.0ms
(/ (/ -1 (* x x)) x)
12.0ms
(/ -1 (* x x))
12.0ms
(/ -1 (* x x))
1.0ms
(fma (/ (/ -1 (* x x)) x) 3 (+ (/ -1 (* x x)) (/ -3 x)))

series222.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(/ (/ -1 (* x x)) x)
50.0ms
(/ -1 (* x x))
49.0ms
(/ -1 (* x x))
53.0ms
(fma (/ (/ -1 (* x x)) x) 3 (+ (/ -1 (* x x)) (/ -3 x)))

simplify1.4s

Counts
122 → 122
Iterations
IterNodes
33085
2795
1297
0142

prune799.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize32.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (/ (+ x 1) (- x 1)) (/ (+ x 1) (- x 1)))
0.0b
(/ (- (* (/ x (+ x 1)) (/ x (+ x 1))) (* (/ (+ x 1) (- x 1)) (/ (+ x 1) (- x 1)))) (+ (/ x (+ x 1)) (/ (+ x 1) (- x 1))))
0.0b
(* (/ x (+ x 1)) (/ x (+ x 1)))
3.3b
(- (* (/ x (+ x 1)) (/ x (+ x 1))) (* (/ (+ x 1) (- x 1)) (/ (+ x 1) (- x 1))))

rewrite231.0ms

Algorithm
rewrite-expression-head
Rules
636×*-un-lft-identity
384×times-frac
246×add-sqr-sqrt
161×distribute-lft-out
118×add-cube-cbrt
96×swap-sqr
66×difference-of-squares
52×associate-*r* associate-*l* distribute-lft-out--
32×difference-of-sqr-1
30×add-cbrt-cube add-exp-log
19×associate-/r/
18×pow1 frac-sub
14×frac-times associate-*l/ associate-*r/
12×associate-/r*
11×associate-/l/
cbrt-undiv div-exp div-inv
prod-exp cbrt-unprod unswap-sqr
flip3-- flip-- add-log-exp
flip3-+ flip-+
expm1-log1p-u insert-posit16 log1p-expm1-u associate-/l*
pow2 pow-plus pow-prod-down pow-sqr *-commutative pow-prod-up
clear-num sub-neg frac-2neg fma-neg diff-log div-sub prod-diff frac-add
Counts
4 → 383
Calls
4 calls:
50.0ms
(* (/ (+ x 1) (- x 1)) (/ (+ x 1) (- x 1)))
125.0ms
(/ (- (* (/ x (+ x 1)) (/ x (+ x 1))) (* (/ (+ x 1) (- x 1)) (/ (+ x 1) (- x 1)))) (+ (/ x (+ x 1)) (/ (+ x 1) (- x 1))))
30.0ms
(* (/ x (+ x 1)) (/ x (+ x 1)))
16.0ms
(- (* (/ x (+ x 1)) (/ x (+ x 1))) (* (/ (+ x 1) (- x 1)) (/ (+ x 1) (- x 1))))

series566.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(* (/ (+ x 1) (- x 1)) (/ (+ x 1) (- x 1)))
324.0ms
(/ (- (* (/ x (+ x 1)) (/ x (+ x 1))) (* (/ (+ x 1) (- x 1)) (/ (+ x 1) (- x 1)))) (+ (/ x (+ x 1)) (/ (+ x 1) (- x 1))))
49.0ms
(* (/ x (+ x 1)) (/ x (+ x 1)))
150.0ms
(- (* (/ x (+ x 1)) (/ x (+ x 1))) (* (/ (+ x 1) (- x 1)) (/ (+ x 1) (- x 1))))

simplify2.3s

Counts
395 → 395
Iterations
IterNodes
25326
11463
0439

prune3.2s

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

regimes69.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 31.4b

bsearch160.0ms

Steps
ItersRangePoint
10
1.6697130628152668
4649870806659.843
7931.624520828369
8
-250055.29886925383
-174.255226838109
-10766.895377459747

simplify12.0ms

Iterations
IterNodes
235
135
027

end0.0ms

sample2.5s

Algorithm
intervals
Results
896.0ms1729×body1280valid
727.0ms4101×body80valid
510.0ms1227×body640valid
183.0ms610×body320valid
56.0ms333×body160valid