Details

Time bar (total: 9.2s)

sample23.0ms

Algorithm
intervals
Results
9.0ms339×body80valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
099
1169
2329
3659
41389
52279
63009
73899
84729
95669
105909
116039
done6039

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.6b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(* y (- z t))
0.0b
(- x (/ (* y (- z t)) a))
4.9b
(/ (* y (- z t)) a)

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
11×*-un-lft-identity
10×add-exp-log add-cbrt-cube
add-cube-cbrt
pow1 associate-*r* add-log-exp
associate-*r/
sub-neg flip3-- times-frac associate-*l* associate-/r* flip--
cbrt-undiv distribute-rgt-in distribute-lft-in div-exp prod-exp cbrt-unprod associate-/l/ distribute-lft-out-- difference-of-squares
frac-2neg diff-log pow-prod-down clear-num *-commutative div-inv associate-/l* unswap-sqr
Counts
3 → 63
Calls
3 calls:
11.0ms
(* y (- z t))
4.0ms
(- x (/ (* y (- z t)) a))
7.0ms
(/ (* y (- z t)) a)

series130.0ms

Counts
3 → 9
Calls
3 calls:
34.0ms
(* y (- z t))
49.0ms
(- x (/ (* y (- z t)) a))
47.0ms
(/ (* y (- z t)) a)

simplify422.0ms

Counts
72 → 72
Iterations

Useful iterations: done (420.0ms)

IterNodesCost
0120760
1298717
21117639
done5002627

prune152.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt a)
0.6b
(cbrt a)
0.6b
(* (cbrt a) (cbrt a))
5.9b
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
69×add-sqr-sqrt
45×*-un-lft-identity
40×times-frac associate-*r*
39×cbrt-prod
33×add-cube-cbrt
27×add-exp-log
18×add-cbrt-cube
13×pow1 associate-*l*
10×unswap-sqr
prod-exp cbrt-unprod
pow1/3
cbrt-undiv div-exp
swap-sqr distribute-lft-out-- difference-of-squares
add-log-exp
pow-prod-down
pow-sqr *-commutative pow-prod-up div-inv
pow2 frac-times pow-plus associate-*r/ associate-*l/
Counts
4 → 133
Calls
4 calls:
0.0ms
(cbrt a)
1.0ms
(cbrt a)
6.0ms
(* (cbrt a) (cbrt a))
37.0ms
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

series652.0ms

Counts
4 → 12
Calls
4 calls:
179.0ms
(cbrt a)
185.0ms
(cbrt a)
195.0ms
(* (cbrt a) (cbrt a))
92.0ms
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

simplify1.1s

Counts
145 → 145
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01931841
15491730
229431330
done50001324

prune383.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ y (/ a (- z t))))
0.0b
(/ a (- z t))
5.4b
(/ y (/ a (- z t)))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
141×times-frac
112×add-sqr-sqrt
105×*-un-lft-identity
71×add-cube-cbrt
26×associate-/r*
19×difference-of-squares
17×distribute-lft-out--
11×associate-/r/
10×add-exp-log add-cbrt-cube
flip3-- flip-- div-inv associate-/l*
add-log-exp
cbrt-undiv div-exp
pow1
frac-2neg clear-num
sub-neg diff-log
Counts
3 → 155
Calls
3 calls:
29.0ms
(- x (/ y (/ a (- z t))))
5.0ms
(/ a (- z t))
10.0ms
(/ y (/ a (- z t)))

series133.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(- x (/ y (/ a (- z t))))
28.0ms
(/ a (- z t))
56.0ms
(/ y (/ a (- z t)))

simplify704.0ms

Counts
164 → 164
Iterations

Useful iterations: 2 (176.0ms)

IterNodesCost
02532379
15582224
223332144
done50002144

prune418.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(- x (* (/ y a) (- z t)))
8.1b
(* (/ y a) (- z t))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×associate-*l*
12×*-un-lft-identity
10×add-cube-cbrt times-frac
add-exp-log add-cbrt-cube
sub-neg associate-*r*
pow1 distribute-rgt-in distribute-lft-in associate--r+ add-log-exp
flip3-- flip--
frac-times associate-*r/ prod-exp cbrt-unprod unswap-sqr
cbrt-undiv diff-log div-exp pow-prod-down associate-*l/ *-commutative div-inv distribute-lft-out-- difference-of-squares
Counts
2 → 58
Calls
2 calls:
3.0ms
(- x (* (/ y a) (- z t)))
20.0ms
(* (/ y a) (- z t))

series104.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(- x (* (/ y a) (- z t)))
52.0ms
(* (/ y a) (- z t))

simplify2.3s

Counts
64 → 64
Iterations

Useful iterations: 3 (468.0ms)

IterNodesCost
0124739
1316707
21165647
34976633
done5000633

prune127.0ms

Pruning

6 alts after pruning (2 fresh and 4 done)

Merged error: 0b

regimes328.0ms

Accuracy

64.2% (1.2b remaining)

Error of 1.2b against oracle of 0.0b and baseline of 3.3b

bsearch65.0ms

Steps
ItersRangePoint
8
3.713066983026811e+65
6.642013340869958e+68
3.7574005919343346e+65
6
-2.6747694130275977e+104
-4.940402320025422e+103
-1.3995028580527438e+104

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02135
12335
done2335

end0.0ms

sample809.0ms

Algorithm
intervals
Results
501.0ms10663×body80valid