Details

Time bar (total: 9.6s)

sample15.0ms

Algorithm
intervals
Results
6.0ms256×body80valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
089
1119
2149
done149

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.2b

localize6.0ms

Local error

Found 1 expressions with local error:

9.2b
(/ (+ x y) (- 1.0 (/ y z)))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
37×*-un-lft-identity
29×times-frac
13×add-cube-cbrt
10×difference-of-squares
distribute-lft-out
associate-/r*
distribute-lft-out--
associate-/l*
add-exp-log add-cbrt-cube
associate-/r/ associate-/l/
pow1 cbrt-undiv flip3-- frac-2neg flip3-+ div-exp clear-num flip-- flip-+ div-inv add-log-exp
Counts
1 → 50
Calls
1 calls:
18.0ms
(/ (+ x y) (- 1.0 (/ y z)))

series52.0ms

Counts
1 → 3
Calls
1 calls:
52.0ms
(/ (+ x y) (- 1.0 (/ y z)))

simplify1.5s

Counts
53 → 53
Iterations

Useful iterations: 4 (740.0ms)

IterNodesCost
095835
1204812
2513776
31342776
43634775
done5001775

prune115.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 7.6b

localize10.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ 1 (- 1.0 (/ y z)))
8.9b
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
66×add-sqr-sqrt
45×times-frac
41×*-un-lft-identity
24×add-cube-cbrt associate-*r*
15×add-exp-log
14×difference-of-squares
add-cbrt-cube
distribute-lft-out--
associate-/r*
pow1
div-exp associate-*l* prod-exp associate-/r/
associate-/l* unswap-sqr
cbrt-undiv frac-times rec-exp flip3-- flip3-+ 1-exp associate-*l/ flip-- cbrt-unprod flip-+ div-inv add-log-exp
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative distribute-lft-out inv-pow
Counts
2 → 97
Calls
2 calls:
13.0ms
(/ 1 (- 1.0 (/ y z)))
37.0ms
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

series96.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(/ 1 (- 1.0 (/ y z)))
52.0ms
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

simplify1.9s

Counts
103 → 103
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01431364
13441144
29221046
328731046
done50001045

prune175.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 7.5b

localize9.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ 1 (/ (- 1.0 (/ y z)) (+ x y)))
9.3b
(/ (- 1.0 (/ y z)) (+ x y))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
231×times-frac
194×add-sqr-sqrt
193×*-un-lft-identity
89×add-cube-cbrt
42×difference-of-squares
34×associate-/r*
31×distribute-lft-out
21×distribute-lft-out--
15×add-exp-log
11×associate-/r/
add-cbrt-cube associate-/l*
div-exp
div-inv
flip3-+ flip-+
cbrt-undiv
pow1
rec-exp frac-2neg 1-exp clear-num associate-/l/ add-log-exp
flip3-- pow-flip div-sub flip-- inv-pow
Counts
2 → 195
Calls
2 calls:
21.0ms
(/ 1 (/ (- 1.0 (/ y z)) (+ x y)))
21.0ms
(/ (- 1.0 (/ y z)) (+ x y))

series163.0ms

Counts
2 → 6
Calls
2 calls:
118.0ms
(/ 1 (/ (- 1.0 (/ y z)) (+ x y)))
45.0ms
(/ (- 1.0 (/ y z)) (+ x y))

simplify2.3s

Counts
201 → 201
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02454021
15913530
213123223
337723179
done50003177

prune230.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (+ x y))
0.0b
(- (/ 1.0 (+ x y)) (/ y (* (+ x y) z)))
0.2b
(/ 1 (- (/ 1.0 (+ x y)) (/ y (* (+ x y) z))))
8.7b
(/ y (* (+ x y) z))

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
53×add-sqr-sqrt
46×*-un-lft-identity
44×times-frac
28×add-cube-cbrt
27×associate-/r/
15×add-exp-log
13×associate-/r* add-cbrt-cube
12×flip3-+ associate-*l/ flip-+
10×distribute-rgt-out-- difference-of-squares
associate-/l*
add-log-exp
pow1 div-exp distribute-lft-out--
cbrt-undiv distribute-lft-out
frac-2neg clear-num div-inv
flip3-- frac-sub flip--
sub-neg rec-exp pow-flip diff-log 1-exp prod-exp cbrt-unprod inv-pow
Counts
4 → 128
Calls
4 calls:
5.0ms
(/ 1.0 (+ x y))
35.0ms
(- (/ 1.0 (+ x y)) (/ y (* (+ x y) z)))
46.0ms
(/ 1 (- (/ 1.0 (+ x y)) (/ y (* (+ x y) z))))
5.0ms
(/ y (* (+ x y) z))

series347.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(/ 1.0 (+ x y))
121.0ms
(- (/ 1.0 (+ x y)) (/ y (* (+ x y) z)))
123.0ms
(/ 1 (- (/ 1.0 (+ x y)) (/ y (* (+ x y) z))))
62.0ms
(/ y (* (+ x y) z))

simplify1.6s

Counts
140 → 140
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02032317
14152160
210202044
335312036
done50002035

prune232.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.0b

regimes203.0ms

Accuracy

96.2% (0.2b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 6.4b

bsearch2.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02057
12749
done2749

end0.0ms

sample357.0ms

Algorithm
intervals
Results
198.0ms7995×body80valid
0.0msbody1280valid
0.0msbody320valid