Details

Time bar (total: 9.2s)

sample20.0ms

Algorithm
intervals
Results
9.0ms315×body80valid

simplify31.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01012
11612
22812
33912
44612
55212
65512
done5512

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.2b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (+ x 4.0) y)
0.0b
(- (/ (+ x 4.0) y) (* (/ x y) z))
2.3b
(* (/ x y) z)

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
28×*-un-lft-identity
25×add-sqr-sqrt
22×times-frac
20×add-cube-cbrt
13×associate-*l*
10×add-exp-log add-cbrt-cube
pow1 add-log-exp
distribute-lft-out associate-/l*
associate-*r* associate-*l/ associate-/r*
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
sub-neg flip3-- frac-2neg flip3-+ diff-log pow-prod-down clear-num *-commutative frac-sub flip-- flip-+ sub-div
Counts
3 → 79
Calls
3 calls:
8.0ms
(/ (+ x 4.0) y)
29.0ms
(- (/ (+ x 4.0) y) (* (/ x y) z))
8.0ms
(* (/ x y) z)

series99.0ms

Counts
3 → 9
Calls
3 calls:
27.0ms
(/ (+ x 4.0) y)
49.0ms
(- (/ (+ x 4.0) y) (* (/ x y) z))
22.0ms
(* (/ x y) z)

simplify1.9s

Counts
88 → 88
Iterations

Useful iterations: 2 (166.0ms)

IterNodesCost
0142904
1342859
2982785
33147785
done5000785

prune213.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1 (/ y (+ x 4.0))) (* (/ x y) z))
0.0b
(/ y (+ x 4.0))
0.1b
(/ 1 (/ y (+ x 4.0)))
2.3b
(* (/ x y) z)

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
124×times-frac
104×*-un-lft-identity
77×add-sqr-sqrt
72×add-cube-cbrt
22×add-exp-log associate-/r*
16×add-cbrt-cube distribute-lft-out
13×associate-*l*
11×associate-/r/
div-exp
pow1 div-inv
associate-/l* add-log-exp
cbrt-undiv flip3-+ flip-+
associate-*r*
rec-exp frac-2neg 1-exp associate-*l/ prod-exp clear-num cbrt-unprod unswap-sqr
sub-neg flip3-- pow-flip diff-log pow-prod-down *-commutative frac-sub flip-- inv-pow
Counts
4 → 174
Calls
4 calls:
62.0ms
(- (/ 1 (/ y (+ x 4.0))) (* (/ x y) z))
5.0ms
(/ y (+ x 4.0))
10.0ms
(/ 1 (/ y (+ x 4.0)))
8.0ms
(* (/ x y) z)

series130.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(- (/ 1 (/ y (+ x 4.0))) (* (/ x y) z))
33.0ms
(/ y (+ x 4.0))
25.0ms
(/ 1 (/ y (+ x 4.0)))
24.0ms
(* (/ x y) z)

simplify1.3s

Counts
186 → 186
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02752441
16412160
218051841
done50001825

prune354.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
1.9b
(* (/ x (cbrt y)) z)
2.6b
(* (/ 1 (* (cbrt y) (cbrt y))) (* (/ x (cbrt y)) z))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
87×add-exp-log
46×prod-exp
35×add-cbrt-cube
30×add-sqr-sqrt
29×associate-*l*
23×times-frac
22×add-cube-cbrt *-un-lft-identity
20×div-exp cbrt-unprod
16×cbrt-prod
11×pow1
10×cbrt-undiv
rec-exp 1-exp
associate-*r* pow-prod-down associate-*l/ add-log-exp
unswap-sqr
pow1/3 *-commutative div-inv
frac-times associate-*r/
Counts
4 → 115
Calls
4 calls:
0.0ms
(cbrt y)
0.0ms
(cbrt y)
12.0ms
(* (/ x (cbrt y)) z)
38.0ms
(* (/ 1 (* (cbrt y) (cbrt y))) (* (/ x (cbrt y)) z))

series546.0ms

Counts
4 → 12
Calls
4 calls:
188.0ms
(cbrt y)
194.0ms
(cbrt y)
116.0ms
(* (/ x (cbrt y)) z)
47.0ms
(* (/ 1 (* (cbrt y) (cbrt y))) (* (/ x (cbrt y)) z))

simplify914.0ms

Counts
127 → 127
Iterations

Useful iterations: 2 (247.0ms)

IterNodesCost
01701543
14781371
21621947
done5000947

prune361.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (+ x 4.0) y)
0.0b
(- (/ (+ x 4.0) y) (* x (/ z y)))
7.2b
(* x (/ z y))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
28×*-un-lft-identity
25×add-sqr-sqrt
22×times-frac
20×add-cube-cbrt
13×associate-*r*
10×add-exp-log add-cbrt-cube
pow1 add-log-exp
distribute-lft-out associate-/l*
associate-*r/ associate-*l* associate-/r*
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
sub-neg flip3-- frac-2neg flip3-+ diff-log pow-prod-down clear-num *-commutative frac-sub flip-- flip-+ sub-div
Counts
3 → 79
Calls
3 calls:
8.0ms
(/ (+ x 4.0) y)
27.0ms
(- (/ (+ x 4.0) y) (* x (/ z y)))
8.0ms
(* x (/ z y))

series95.0ms

Counts
3 → 9
Calls
3 calls:
27.0ms
(/ (+ x 4.0) y)
49.0ms
(- (/ (+ x 4.0) y) (* x (/ z y)))
19.0ms
(* x (/ z y))

simplify2.0s

Counts
88 → 88
Iterations

Useful iterations: 2 (126.0ms)

IterNodesCost
0142920
1350863
2946797
32994797
done5000797

prune199.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

regimes92.0ms

Accuracy

92.6% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 1.6b

bsearch73.0ms

Steps
ItersRangePoint
9
7.573771271304567e-12
5.139006765554396e-07
2.0322004459479788e-08
7
-8.042293026443825e+46
-2.5837291002954394e+45
-1.489959584885014e+46

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02042
12631
done2631

end0.0ms

sample513.0ms

Algorithm
intervals
Results
297.0ms10099×body80valid