Details

Time bar (total: 23.6s)

sample26.0ms

Algorithm
intervals
Results
9.0ms55×body1280valid
5.0ms140×body80valid
4.0ms32×body640valid
1.0ms16×body320valid
1.0ms13×body160valid

simplify125.0ms

Counts
1 → 1
Iterations
IterNodes
done168
15168
14165
13136
12114
1199
1089
969
853
742
632
526
423
322
219
115
07

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.4b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ x (+ x 1))
0.0b
(/ (+ x 1) (- x 1))
3.7b
(- (/ x (+ x 1)) (/ (+ x 1) (- x 1)))

rewrite119.0ms

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:
9.0ms
(/ x (+ x 1))
19.0ms
(/ (+ x 1) (- x 1))
63.0ms
(- (/ x (+ x 1)) (/ (+ x 1) (- x 1)))

series159.0ms

Counts
3 → 9
Calls
3 calls:
33.0ms
(/ x (+ x 1))
38.0ms
(/ (+ x 1) (- x 1))
88.0ms
(- (/ x (+ x 1)) (/ (+ x 1) (- x 1)))

simplify2.3s

Counts
762 → 762
Iterations
IterNodes
done5002
23248
11369
0584

prune2.3s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ x (+ x 1))
0.0b
(/ (/ (+ x 1) 1) (- x 1))
3.7b
(- (/ x (+ x 1)) (/ (/ (+ x 1) 1) (- x 1)))

rewrite303.0ms

Algorithm
rewrite-expression-head
Rules
5198×times-frac
4824×*-un-lft-identity
3607×add-sqr-sqrt
2359×add-cube-cbrt
2124×prod-diff
765×distribute-lft-out
618×difference-of-squares
312×distribute-lft-out--
305×difference-of-sqr-1
278×associate-/r/
273×div-inv
120×flip3-+ flip-+
20×flip3-- flip--
19×associate-/l*
18×fma-neg
12×add-exp-log
11×associate-/r*
10×add-cbrt-cube
div-exp
add-log-exp
cbrt-undiv
expm1-log1p-u pow1 insert-posit16 log1p-expm1-u
clear-num frac-2neg
sub-neg diff-log 1-exp frac-sub associate-/l/
Counts
3 → 2363
Calls
3 calls:
9.0ms
(/ x (+ x 1))
23.0ms
(/ (/ (+ x 1) 1) (- x 1))
101.0ms
(- (/ x (+ x 1)) (/ (/ (+ x 1) 1) (- x 1)))

series517.0ms

Counts
3 → 9
Calls
3 calls:
33.0ms
(/ x (+ x 1))
376.0ms
(/ (/ (+ x 1) 1) (- x 1))
108.0ms
(- (/ x (+ x 1)) (/ (/ (+ x 1) 1) (- x 1)))

simplify3.2s

Counts
2372 → 2372
Iterations
IterNodes
done5004
13854
01671

prune6.9s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ x 1) (- x 1))
27.7b
(fma x (/ 1 (+ x 1)) (- (/ (+ x 1) (- x 1))))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
46×*-un-lft-identity
35×add-sqr-sqrt
28×times-frac
15×add-cube-cbrt
10×difference-of-squares
distribute-lft-out
associate-/r*
difference-of-sqr-1 distribute-lft-out--
add-cbrt-cube add-exp-log associate-/l*
expm1-log1p-u pow1 associate-/r/ insert-posit16 log1p-expm1-u add-log-exp associate-/l/
cbrt-undiv clear-num frac-2neg flip3-+ flip3-- div-exp flip-+ fma-udef div-inv flip--
Counts
2 → 69
Calls
2 calls:
31.0ms
(/ (+ x 1) (- x 1))
0.0ms
(fma x (/ 1 (+ x 1)) (- (/ (+ x 1) (- x 1))))

series130.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(/ (+ x 1) (- x 1))
99.0ms
(fma x (/ 1 (+ x 1)) (- (/ (+ x 1) (- x 1))))

simplify1.9s

Counts
75 → 75
Iterations
IterNodes
done5001
32512
2743
1278
0122

prune241.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize57.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (+ x 1))
0.3b
(* (cbrt (+ x 1)) (cbrt (+ x 1)))
27.7b
(fma (/ 1 (* (cbrt (+ x 1)) (cbrt (+ x 1)))) (/ x (cbrt (+ x 1))) (- (* (/ 1 (- x 1)) (+ x 1))))
30.4b
(fma (- (/ 1 (- x 1))) (+ x 1) (* (/ 1 (- x 1)) (+ x 1)))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
29×*-un-lft-identity
28×cbrt-prod
21×add-sqr-sqrt
14×cbrt-div
13×add-cube-cbrt
11×pow1
swap-sqr
flip3-+ pow1/3 associate-*r* associate-*l* flip-+ distribute-lft-out
add-exp-log
expm1-log1p-u frac-times add-cbrt-cube insert-posit16 log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up fma-udef
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 95
Calls
4 calls:
4.0ms
(cbrt (+ x 1))
32.0ms
(* (cbrt (+ x 1)) (cbrt (+ x 1)))
0.0ms
(fma (/ 1 (* (cbrt (+ x 1)) (cbrt (+ x 1)))) (/ x (cbrt (+ x 1))) (- (* (/ 1 (- x 1)) (+ x 1))))
0.0ms
(fma (- (/ 1 (- x 1))) (+ x 1) (* (/ 1 (- x 1)) (+ x 1)))

series413.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(cbrt (+ x 1))
50.0ms
(* (cbrt (+ x 1)) (cbrt (+ x 1)))
158.0ms
(fma (/ 1 (* (cbrt (+ x 1)) (cbrt (+ x 1)))) (/ x (cbrt (+ x 1))) (- (* (/ 1 (- x 1)) (+ x 1))))
157.0ms
(fma (- (/ 1 (- x 1))) (+ x 1) (* (/ 1 (- x 1)) (+ x 1)))

simplify2.4s

Counts
107 → 107
Iterations
IterNodes
done5000
33936
21214
1417
0175

prune517.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

regimes70.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.6b

bsearch124.0ms

Steps
ItersRangePoint
9
2842.495256040047
513310621636.50653
11033.995023478727
8
-29345360.474346694
-7508.589471958369
-12354.188123908416

simplify14.0ms

Iterations
IterNodes
done47
247
144
028

end0.0ms

sample1.6s

Algorithm
intervals
Results
846.0ms1762×body1280valid
306.0ms4063×body80valid
230.0ms1269×body640valid
79.0ms593×body320valid
29.0ms313×body160valid