Details

Time bar (total: 14.0s)

sample36.0ms

Algorithm
intervals
Results
16.0ms512×body80valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
11913
25013
315913
429813
538413
639213
746313
862013
963213
done63213

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 2.8b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* x x) (* (* y 4.0) (- (* z z) t)))
0.0b
(- (* z z) t)
2.6b
(* (* y 4.0) (- (* z z) t))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-log-exp
add-sqr-sqrt sub-neg
distribute-rgt-in add-cube-cbrt *-un-lft-identity distribute-lft-in associate-*r* associate--r+
flip3-- pow-prod-down prod-exp flip-- cbrt-unprod
diff-log associate-*r/ difference-of-squares
associate-*l* *-commutative
Counts
3 → 54
Calls
3 calls:
9.0ms
(- (* x x) (* (* y 4.0) (- (* z z) t)))
8.0ms
(- (* z z) t)
38.0ms
(* (* y 4.0) (- (* z z) t))

series171.0ms

Counts
3 → 9
Calls
3 calls:
83.0ms
(- (* x x) (* (* y 4.0) (- (* z z) t)))
22.0ms
(- (* z z) t)
66.0ms
(* (* y 4.0) (- (* z z) t))

simplify3.0s

Counts
63 → 63
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
0103843
1286802
21013696
34580690
done5001690

prune138.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 1.0b

localize13.0ms

Local error

Found 4 expressions with local error:

2.6b
(* (* y 4.0) (- (* z z) t))
6.1b
(cbrt (* (* y 4.0) (- (* z z) t)))
6.1b
(cbrt (* (* y 4.0) (- (* z z) t)))
6.1b
(cbrt (* (* y 4.0) (- (* z z) t)))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
associate-*r/
add-sqr-sqrt cbrt-div
add-cube-cbrt *-un-lft-identity
flip3-- associate-*r* flip-- add-log-exp
cbrt-prod pow1/3 pow-prod-down prod-exp cbrt-unprod
distribute-rgt-in sub-neg distribute-lft-in
associate-*l* *-commutative difference-of-squares
Counts
4 → 58
Calls
4 calls:
36.0ms
(* (* y 4.0) (- (* z z) t))
20.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
20.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
22.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))

series505.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(* (* y 4.0) (- (* z z) t))
145.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
148.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
145.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))

simplify2.0s

Counts
70 → 70
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01121019
1287998
2915841
33282817
done5002796

prune425.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 1.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* y 4.0) (sqrt (- (* z z) t)))
0.2b
(* (* (* y 4.0) (sqrt (- (* z z) t))) (sqrt (- (* z z) t)))
2.6b
(sqrt (- (* z z) t))
2.6b
(sqrt (- (* z z) t))

rewrite170.0ms

Algorithm
rewrite-expression-head
Rules
20×pow1
18×add-exp-log sqrt-div add-cbrt-cube
16×add-sqr-sqrt sqrt-prod
14×associate-*r*
10×add-cube-cbrt *-un-lft-identity associate-*r/
flip3-- pow-prod-down prod-exp flip-- cbrt-unprod
frac-times add-log-exp difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* associate-*l/ *-commutative
Counts
4 → 89
Calls
4 calls:
37.0ms
(* (* y 4.0) (sqrt (- (* z z) t)))
111.0ms
(* (* (* y 4.0) (sqrt (- (* z z) t))) (sqrt (- (* z z) t)))
10.0ms
(sqrt (- (* z z) t))
10.0ms
(sqrt (- (* z z) t))

series225.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(* (* y 4.0) (sqrt (- (* z z) t)))
61.0ms
(* (* (* y 4.0) (sqrt (- (* z z) t))) (sqrt (- (* z z) t)))
49.0ms
(sqrt (- (* z z) t))
46.0ms
(sqrt (- (* z z) t))

simplify1.5s

Counts
101 → 101
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01361685
13681362
212951120
done50001116

prune228.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 1.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (sqrt (sqrt (- (* z z) t))) (sqrt (sqrt (- (* z z) t))))
2.6b
(sqrt (- (* z z) t))
2.6b
(sqrt (- (* z z) t))
2.6b
(sqrt (- (* z z) t))

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
86×sqrt-prod
59×add-sqr-sqrt
35×sqrt-pow1
30×pow1 sqrt-div
19×add-cube-cbrt *-un-lft-identity pow1/2
16×swap-sqr
10×associate-*r* associate-*l*
flip3-- pow-prod-up flip-- unswap-sqr
difference-of-squares
add-exp-log add-cbrt-cube
pow-prod-down pow-sqr
frac-times add-log-exp
rem-sqrt-square
associate-*r/ associate-*l/
pow2 pow-plus sqrt-unprod prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 134
Calls
4 calls:
64.0ms
(* (sqrt (sqrt (- (* z z) t))) (sqrt (sqrt (- (* z z) t))))
12.0ms
(sqrt (- (* z z) t))
10.0ms
(sqrt (- (* z z) t))
10.0ms
(sqrt (- (* z z) t))

series185.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(* (sqrt (sqrt (- (* z z) t))) (sqrt (sqrt (- (* z z) t))))
43.0ms
(sqrt (- (* z z) t))
47.0ms
(sqrt (- (* z z) t))
49.0ms
(sqrt (- (* z z) t))

simplify2.5s

Counts
146 → 146
Iterations

Useful iterations: done (2.5s)

IterNodesCost
01352484
12431578
25731426
312431391
433341353
done50011346

prune366.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 1.0b

regimes367.0ms

Accuracy

84.2% (0.5b remaining)

Error of 3.1b against oracle of 2.5b and baseline of 5.9b

bsearch1.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02036
12536
done2536

end0.0ms

sample917.0ms

Algorithm
intervals
Results
425.0ms15845×body80valid