Details

Time bar (total: 16.0s)

sample43.0ms

Algorithm
intervals
Results
21.0ms332×body80valid

simplify5.0s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
1149
2319
3579
4899
51149
61339
71549
81909
92459
102739
113009
123419
133549
143709
153869
164739
175649
188129
1911389
2015689
2116519
2216569
done16569

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.8b

localize11.0ms

Local error

Found 1 expressions with local error:

5.8b
(* (/ x y) (- z t))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
13×associate-*l*
11×*-un-lft-identity
10×times-frac
add-cube-cbrt
add-exp-log add-cbrt-cube
associate-*r*
pow1
distribute-rgt-in frac-times sub-neg flip3-- distribute-lft-in associate-*r/ prod-exp flip-- cbrt-unprod unswap-sqr
cbrt-undiv div-exp pow-prod-down associate-*l/ *-commutative div-inv distribute-lft-out-- add-log-exp difference-of-squares
Counts
1 → 42
Calls
1 calls:
49.0ms
(* (/ x y) (- z t))

series78.0ms

Counts
1 → 3
Calls
1 calls:
78.0ms
(* (/ x y) (- z t))

simplify1.9s

Counts
45 → 45
Iterations

Useful iterations: 2 (160.0ms)

IterNodesCost
099475
1254466
2800410
32720410
done5000410

prune133.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
1.9b
(* (/ x (cbrt y)) (- z t))
4.6b
(* (/ 1 (* (cbrt y) (cbrt y))) (* (/ x (cbrt y)) (- z t)))

rewrite195.0ms

Algorithm
rewrite-expression-head
Rules
87×add-exp-log
46×prod-exp
35×add-cbrt-cube
32×add-sqr-sqrt
29×associate-*l*
24×*-un-lft-identity
23×times-frac
22×add-cube-cbrt
20×div-exp cbrt-unprod
16×cbrt-prod
11×pow1 frac-times associate-*r/
10×cbrt-undiv distribute-rgt-in distribute-lft-in
sub-neg rec-exp flip3-- 1-exp associate-*r* flip--
pow-prod-down associate-*l/ add-log-exp
unswap-sqr
pow1/3 *-commutative div-inv
distribute-lft-out-- difference-of-squares
Counts
4 → 141
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
51.0ms
(* (/ x (cbrt y)) (- z t))
133.0ms
(* (/ 1 (* (cbrt y) (cbrt y))) (* (/ x (cbrt y)) (- z t)))

series828.0ms

Counts
4 → 12
Calls
4 calls:
248.0ms
(cbrt y)
256.0ms
(cbrt y)
212.0ms
(* (/ x (cbrt y)) (- z t))
112.0ms
(* (/ 1 (* (cbrt y) (cbrt y))) (* (/ x (cbrt y)) (- z t)))

simplify1.6s

Counts
153 → 153
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02272370
16242126
225321564
done50021333

prune458.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) y)
6.9b
(* x (/ (- z t) y))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
36×*-un-lft-identity
31×times-frac
22×add-cube-cbrt
19×associate-*r*
add-exp-log add-cbrt-cube
distribute-lft-out-- difference-of-squares
associate-/l*
pow1
associate-*l* associate-/r*
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
flip3-- frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative flip--
Counts
2 → 76
Calls
2 calls:
16.0ms
(/ (- z t) y)
28.0ms
(* x (/ (- z t) y))

series112.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(/ (- z t) y)
81.0ms
(* x (/ (- z t) y))

simplify1.5s

Counts
82 → 82
Iterations

Useful iterations: 3 (688.0ms)

IterNodesCost
0116831
1272783
2772721
32701709
done5002709

prune251.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (- z t))
7.6b
(/ (* x (- z t)) y)

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
add-exp-log add-cbrt-cube
*-un-lft-identity
add-cube-cbrt
associate-*r*
pow1 associate-*r/
times-frac associate-*l* associate-/r*
cbrt-undiv distribute-rgt-in sub-neg flip3-- distribute-lft-in div-exp prod-exp flip-- cbrt-unprod associate-/l/ add-log-exp
frac-2neg pow-prod-down clear-num *-commutative div-inv associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
2 → 49
Calls
2 calls:
21.0ms
(* x (- z t))
18.0ms
(/ (* x (- z t)) y)

series101.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(* x (- z t))
61.0ms
(/ (* x (- z t)) y)

simplify1.9s

Counts
55 → 55
Iterations

Useful iterations: 3 (725.0ms)

IterNodesCost
094493
1232479
2661411
32847399
done5000399

prune159.0ms

Pruning

7 alts after pruning (3 fresh and 4 done)

Merged error: 0b

regimes241.0ms

Accuracy

-4.8% (2.3b remaining)

Error of 2.3b against oracle of 0.0b and baseline of 2.2b

bsearch40.0ms

Steps
ItersRangePoint
9
3991008.2413703846
8957669900665.303
4034252.392433282
1
-5.132897305472796e-288
-4.723113380990579e-288
-4.8255593621111334e-288

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01735
12427
done2427

end0.0ms

sample1.2s

Algorithm
intervals
Results
545.0ms10664×body80valid