Details

Time bar (total: 15.0s)

sample73.0ms

Algorithm
intervals
Results
32.0ms66×body640valid
14.0ms133×body80valid
11.0ms38×body320valid
4.0ms19×body160valid

simplify12.0ms

Counts
1 → 1
Iterations
IterNodes
done18
218
115
07

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.3b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- x 1))
0.0b
(/ 1 (+ x 1))
2.7b
(- (/ 1 (+ x 1)) (/ 1 (- x 1)))

rewrite175.0ms

Algorithm
rewrite-expression-head
Rules
200×*-un-lft-identity
158×add-sqr-sqrt
133×associate-/r*
130×frac-sub
78×add-cube-cbrt
75×associate-/l*
69×times-frac
37×distribute-lft-out-- difference-of-squares
25×clear-num frac-2neg
23×distribute-lft-out
14×difference-of-sqr-1
11×add-exp-log
add-cbrt-cube
associate-/r/ div-inv
pow1 add-log-exp
div-exp
insert-posit16 flip--
cbrt-undiv rec-exp flip3-- 1-exp flip-+ pow-flip inv-pow
sub-neg flip3-+ diff-log
Counts
3 → 257
Calls
3 calls:
11.0ms
(/ 1 (- x 1))
14.0ms
(/ 1 (+ x 1))
139.0ms
(- (/ 1 (+ x 1)) (/ 1 (- x 1)))

series109.0ms

Counts
3 → 9
Calls
3 calls:
21.0ms
(/ 1 (- x 1))
20.0ms
(/ 1 (+ x 1))
67.0ms
(- (/ 1 (+ x 1)) (/ 1 (- x 1)))

simplify2.0s

Counts
266 → 266
Iterations
IterNodes
done5000
22772
11310
0450

prune461.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.3b

localize43.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ 1 (- (* x x) (* 1 1)))
1.9b
(- (- x 1) (+ x 1))

rewrite188.0ms

Algorithm
rewrite-expression-head
Rules
388×add-sqr-sqrt
290×*-un-lft-identity
181×difference-of-squares
177×times-frac
120×unswap-sqr
92×swap-sqr
66×add-cube-cbrt
64×*-commutative
59×associate-/r*
50×distribute-lft-out--
24×associate-*l*
14×add-log-exp
diff-log add-exp-log
flip3-- add-cbrt-cube associate-*r* frac-sub flip--
pow1 associate-/l*
sum-log sub-neg flip3-+ div-exp associate--l+ associate-/r/ flip-+ insert-posit16 distribute-lft-out associate--r+
associate--l- cbrt-undiv +-commutative rec-exp clear-num frac-2neg 1-exp div-inv pow-flip inv-pow
Counts
2 → 288
Calls
2 calls:
84.0ms
(/ 1 (- (* x x) (* 1 1)))
73.0ms
(- (- x 1) (+ x 1))

series43.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(/ 1 (- (* x x) (* 1 1)))
9.0ms
(- (- x 1) (+ x 1))

simplify2.1s

Counts
294 → 294
Iterations
IterNodes
done5008
22539
1634
0295

prune566.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.3b

localize27.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (/ 1 (- (* x x) (* 1 1))) -2)
0.3b
(/ 1 (- (* x x) (* 1 1)))

rewrite587.0ms

Algorithm
rewrite-expression-head
Rules
779×add-sqr-sqrt
557×*-un-lft-identity
360×difference-of-squares
356×times-frac
243×unswap-sqr
231×associate-*l*
184×swap-sqr
132×add-cube-cbrt
129×*-commutative
118×associate-/r*
88×distribute-lft-out--
65×associate-*l/
15×add-exp-log
11×associate-*r*
add-cbrt-cube
associate-/l*
pow1
div-exp prod-exp associate-/r/
cbrt-undiv rec-exp clear-num frac-2neg flip3-- 1-exp cbrt-unprod insert-posit16 div-inv flip-- add-log-exp
pow-prod-down pow-flip inv-pow
Counts
2 → 528
Calls
2 calls:
416.0ms
(* (/ 1 (- (* x x) (* 1 1))) -2)
122.0ms
(/ 1 (- (* x x) (* 1 1)))

series115.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(* (/ 1 (- (* x x) (* 1 1))) -2)
53.0ms
(/ 1 (- (* x x) (* 1 1)))

simplify2.8s

Counts
534 → 534
Iterations
IterNodes
done5000
34702
21569
1796
0367

prune954.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ -2 (+ x 1))
0.1b
(/ (/ -2 (+ x 1)) (- x 1))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
234×times-frac
211×*-un-lft-identity
172×add-sqr-sqrt
96×add-cube-cbrt
38×difference-of-squares
29×distribute-lft-out
24×associate-/l*
20×associate-/r/
19×difference-of-sqr-1 distribute-lft-out--
15×associate-/r*
10×div-inv associate-/l/
flip3-+ add-cbrt-cube add-exp-log flip-+
cbrt-undiv div-exp
clear-num frac-2neg
pow1 insert-posit16 add-log-exp
flip3-- flip--
Counts
2 → 212
Calls
2 calls:
10.0ms
(/ -2 (+ x 1))
35.0ms
(/ (/ -2 (+ x 1)) (- x 1))

series87.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(/ -2 (+ x 1))
61.0ms
(/ (/ -2 (+ x 1)) (- x 1))

simplify1.8s

Counts
218 → 218
Iterations
IterNodes
done5000
22065
1714
0287

prune531.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes37.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done14
114
010

end0.0ms

sample2.2s

Algorithm
intervals
Results
790.0ms1867×body640valid
712.0ms1187×body320valid
419.0ms4300×body80valid
111.0ms646×body160valid