Details

Time bar (total: 15.3s)

sample48.0ms

Algorithm
intervals
Results
23.0ms351×body80valid

simplify643.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
099
1159
2269
3469
4859
51149
61299
71429
81759
92329
102619
112989
123299
133399
done3399

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.9b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ (* y (- z t)) a))
0.0b
(* y (- z t))
8.5b
(/ (* y (- z t)) a)

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
10×add-exp-log add-cbrt-cube
add-cube-cbrt
pow1 associate-*r* add-log-exp
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/
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 61
Calls
3 calls:
15.0ms
(+ x (/ (* y (- z t)) a))
43.0ms
(* y (- z t))
28.0ms
(/ (* y (- z t)) a)

series191.0ms

Counts
3 → 9
Calls
3 calls:
57.0ms
(+ x (/ (* y (- z t)) a))
54.0ms
(* y (- z t))
79.0ms
(/ (* y (- z t)) a)

simplify2.6s

Counts
70 → 70
Iterations

Useful iterations: 2 (181.0ms)

IterNodesCost
0116722
1297679
2909589
34421589
done5001589

prune177.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ y (/ a (- z t))))
0.0b
(/ a (- z t))
6.2b
(/ y (/ a (- z t)))

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
105×*-un-lft-identity
103×add-sqr-sqrt
71×add-cube-cbrt
26×associate-/r*
16×distribute-lft-out-- difference-of-squares
11×associate-/r/
10×add-exp-log add-cbrt-cube
div-inv associate-/l*
flip3-- flip-- add-log-exp
cbrt-undiv div-exp
pow1
frac-2neg clear-num
+-commutative flip3-+ sum-log flip-+ distribute-lft-out
Counts
3 → 151
Calls
3 calls:
45.0ms
(+ x (/ y (/ a (- z t))))
12.0ms
(/ a (- z t))
20.0ms
(/ y (/ a (- z t)))

series155.0ms

Counts
3 → 9
Calls
3 calls:
58.0ms
(+ x (/ y (/ a (- z t))))
33.0ms
(/ a (- z t))
63.0ms
(/ y (/ a (- z t)))

simplify1.3s

Counts
160 → 160
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02452291
15342136
217992056
done50002026

prune487.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (* (/ y a) (- z t)))
6.4b
(* (/ y a) (- z t))

rewrite41.0ms

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
associate-*r*
pow1 distribute-rgt-in sub-neg associate-+r+ distribute-lft-in add-log-exp
frac-times flip3-- associate-*r/ prod-exp flip-- cbrt-unprod unswap-sqr
cbrt-undiv +-commutative flip3-+ div-exp pow-prod-down associate-*l/ sum-log *-commutative flip-+ div-inv distribute-lft-out-- difference-of-squares
Counts
2 → 57
Calls
2 calls:
8.0ms
(+ x (* (/ y a) (- z t)))
32.0ms
(* (/ y a) (- z t))

series140.0ms

Counts
2 → 6
Calls
2 calls:
73.0ms
(+ x (* (/ y a) (- z t)))
67.0ms
(* (/ y a) (- z t))

simplify3.5s

Counts
63 → 63
Iterations

Useful iterations: 2 (257.0ms)

IterNodesCost
0123723
1321691
21033619
34023619
done5000619

prune176.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (* y (/ (- z t) a)))
0.0b
(/ (- z t) a)
5.9b
(* y (/ (- z t) a))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
42×add-sqr-sqrt
37×*-un-lft-identity
31×times-frac
23×add-cube-cbrt
19×associate-*r*
10×add-exp-log add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1 associate-/l* add-log-exp
associate-*l* associate-/r*
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative flip3-- frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-- flip-+
Counts
3 → 87
Calls
3 calls:
15.0ms
(+ x (* y (/ (- z t) a)))
31.0ms
(/ (- z t) a)
41.0ms
(* y (/ (- z t) a))

series233.0ms

Counts
3 → 9
Calls
3 calls:
101.0ms
(+ x (* y (/ (- z t) a)))
51.0ms
(/ (- z t) a)
80.0ms
(* y (/ (- z t) a))

simplify2.7s

Counts
96 → 96
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
01391051
1341980
2991914
33797890
done5000890

prune328.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

regimes310.0ms

Accuracy

-1% (2.5b remaining)

Error of 2.5b against oracle of 0.0b and baseline of 2.5b

bsearch83.0ms

Steps
ItersRangePoint
4
4.426396961664634e-235
7.290431146413962e-235
4.7957580216954454e-235
8
-1.2676931183322793e-288
-1.311295523796422e-291
-2.7878949931611257e-291

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01835
12427
done2427

end0.0ms

sample1.9s

Algorithm
intervals
Results
1.1s10690×body80valid