Details

Time bar (total: 4.6s)

sample33.0ms

Algorithm
intervals
Results
13.0ms520×body80valid

simplify69.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0196
1506
21596
33516
46096
57336
610686
713426
815066
915536
1015536
done15536

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.8b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* x x) (* (* y 4.0) (- (* z z) t)))
5.5b
(* (* y 4.0) (- (* z z) t))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
sub-neg
distribute-rgt-in add-sqr-sqrt distribute-lft-in associate-*r* associate--r+ add-log-exp
add-cube-cbrt *-un-lft-identity pow-prod-down prod-exp cbrt-unprod
flip3-- associate-*r/ flip--
diff-log associate-*l* *-commutative difference-of-squares
Counts
2 → 41
Calls
2 calls:
12.0ms
(- (* x x) (* (* y 4.0) (- (* z z) t)))
50.0ms
(* (* y 4.0) (- (* z z) t))

series141.0ms

Counts
2 → 6
Calls
2 calls:
76.0ms
(- (* x x) (* (* y 4.0) (- (* z z) t)))
65.0ms
(* (* y 4.0) (- (* z z) t))

simplify39.0ms

Counts
47 → 47
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
0269322
11276286
25001281
done5001281

prune95.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 1.7b

localize12.0ms

Local error

Found 4 expressions with local error:

1.3b
(* (* y 4.0) (* (cbrt (- (* z z) t)) (cbrt (- (* z z) t))))
6.0b
(cbrt (- (* z z) t))
6.0b
(cbrt (- (* z z) t))
6.0b
(cbrt (- (* z z) t))

rewrite120.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-div
16×pow1 add-exp-log
12×cbrt-prod add-cbrt-cube
10×add-sqr-sqrt associate-*r/
flip3-- flip--
pow-prod-down prod-exp cbrt-unprod
add-cube-cbrt *-un-lft-identity
frac-times add-log-exp
pow1/3 difference-of-squares
associate-*l/
associate-*r* associate-*l* *-commutative
Counts
4 → 72
Calls
4 calls:
93.0ms
(* (* y 4.0) (* (cbrt (- (* z z) t)) (cbrt (- (* z z) t))))
7.0ms
(cbrt (- (* z z) t))
11.0ms
(cbrt (- (* z z) t))
7.0ms
(cbrt (- (* z z) t))

series392.0ms

Counts
4 → 12
Calls
4 calls:
103.0ms
(* (* y 4.0) (* (cbrt (- (* z z) t)) (cbrt (- (* z z) t))))
97.0ms
(cbrt (- (* z z) t))
96.0ms
(cbrt (- (* z z) t))
96.0ms
(cbrt (- (* z z) t))

simplify113.0ms

Counts
84 → 84
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0315709
11057625
24510613
35001613
done5001613

prune269.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 1.7b

localize18.0ms

Local error

Found 4 expressions with local error:

6.0b
(cbrt (- (* z z) t))
6.0b
(cbrt (- (* z z) t))
6.0b
(cbrt (- (* z z) t))
6.0b
(cbrt (- (* z z) t))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
16×cbrt-prod
12×add-sqr-sqrt
add-cube-cbrt cbrt-div *-un-lft-identity
pow1 add-exp-log flip3-- pow1/3 add-cbrt-cube flip-- add-log-exp difference-of-squares
Counts
4 → 56
Calls
4 calls:
7.0ms
(cbrt (- (* z z) t))
7.0ms
(cbrt (- (* z z) t))
7.0ms
(cbrt (- (* z z) t))
7.0ms
(cbrt (- (* z z) t))

series383.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(cbrt (- (* z z) t))
96.0ms
(cbrt (- (* z z) t))
97.0ms
(cbrt (- (* z z) t))
96.0ms
(cbrt (- (* z z) t))

simplify97.0ms

Counts
68 → 68
Iterations

Useful iterations: 4 (91.0ms)

IterNodesCost
0125448
1311420
2787412
32910412
45001408
done5001408

prune300.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 1.7b

localize12.0ms

Local error

Found 4 expressions with local error:

1.7b
(sqrt (- (* x x) (* (* y 4.0) (- (* z z) t))))
1.7b
(sqrt (- (* x x) (* (* y 4.0) (- (* z z) t))))
5.5b
(* (* y 4.0) (- (* z z) t))
5.5b
(* (* y 4.0) (- (* z z) t))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
16×pow1
14×add-exp-log add-cbrt-cube
12×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity associate-*r*
pow-prod-down prod-exp sqrt-prod cbrt-unprod
distribute-rgt-in sub-neg flip3-- distribute-lft-in sqrt-div associate-*r/ flip-- add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative difference-of-squares
Counts
4 → 80
Calls
4 calls:
9.0ms
(sqrt (- (* x x) (* (* y 4.0) (- (* z z) t))))
9.0ms
(sqrt (- (* x x) (* (* y 4.0) (- (* z z) t))))
38.0ms
(* (* y 4.0) (- (* z z) t))
43.0ms
(* (* y 4.0) (- (* z z) t))

series658.0ms

Counts
4 → 12
Calls
4 calls:
376.0ms
(sqrt (- (* x x) (* (* y 4.0) (- (* z z) t))))
147.0ms
(sqrt (- (* x x) (* (* y 4.0) (- (* z z) t))))
69.0ms
(* (* y 4.0) (- (* z z) t))
66.0ms
(* (* y 4.0) (- (* z z) t))

simplify56.0ms

Counts
92 → 92
Iterations

Useful iterations: 2 (46.0ms)

IterNodesCost
0270654
11170602
25002598
done5002598

prune226.0ms

Pruning

7 alts after pruning (3 fresh and 4 done)

Merged error: 1.7b

regimes436.0ms

Accuracy

82.8% (0.6b remaining)

Error of 3.2b against oracle of 2.6b and baseline of 6.2b

bsearch1.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02516
12516
done2516

end0.0ms

sample945.0ms

Algorithm
intervals
Results
435.0ms15820×body80valid