Details

Time bar (total: 8.6s)

sample56.0ms

Algorithm
intervals
Results
22.0ms517×body80valid

simplify2.3s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01113
11913
24913
313813
429513
545213
655413
771213
8103513
9172613
10249713
11357813
12451713
done500013

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 7.1b

Counts
2 → 1

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* x x) (* (* y 4.0) (- (* z z) t)))
6.7b
(* (* y 4.0) (- (* z z) t))

rewrite15.0ms

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:
5.0ms
(- (* x x) (* (* y 4.0) (- (* z z) t)))
9.0ms
(* (* y 4.0) (- (* z z) t))

series38.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(- (* x x) (* (* y 4.0) (- (* z z) t)))
16.0ms
(* (* y 4.0) (- (* z z) t))

simplify452.0ms

Counts
47 → 47
Iterations

Useful iterations: done (451.0ms)

IterNodesCost
093707
1268671
21194585
done5002579

prune76.0ms

Filtered
32 candidates to 47 candidates (-46.9%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New42547
Fresh000
Picked011
Done000
Total42648

Merged error: 3.7b

Counts
48 → 6

localize12.0ms

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)))
6.6b
(sqrt (- (* z z) t))
6.6b
(sqrt (- (* z z) t))

rewrite42.0ms

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:
11.0ms
(* (* y 4.0) (sqrt (- (* z z) t)))
18.0ms
(* (* (* y 4.0) (sqrt (- (* z z) t))) (sqrt (- (* z z) t)))
5.0ms
(sqrt (- (* z z) t))
5.0ms
(sqrt (- (* z z) t))

series49.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(* (* y 4.0) (sqrt (- (* z z) t)))
15.0ms
(* (* (* y 4.0) (sqrt (- (* z z) t))) (sqrt (- (* z z) t)))
7.0ms
(sqrt (- (* z z) t))
7.0ms
(sqrt (- (* z z) t))

simplify791.0ms

Counts
101 → 101
Iterations

Useful iterations: done (788.0ms)

IterNodesCost
01351687
13751403
215661182
done50011130

prune123.0ms

Filtered
71 candidates to 101 candidates (-42.3%)
Pruning

7 alts after pruning (5 fresh and 2 done)

PrunedKeptTotal
New1001101
Fresh044
Picked011
Done011
Total1007107

Merged error: 3.7b

Counts
107 → 7

localize14.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (sqrt (sqrt (- (* z z) t))) (sqrt (sqrt (- (* z z) t))))
6.6b
(sqrt (- (* z z) t))
6.6b
(sqrt (- (* z z) t))
6.6b
(sqrt (- (* z z) t))

rewrite40.0ms

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:
18.0ms
(* (sqrt (sqrt (- (* z z) t))) (sqrt (sqrt (- (* z z) t))))
5.0ms
(sqrt (- (* z z) t))
6.0ms
(sqrt (- (* z z) t))
5.0ms
(sqrt (- (* z z) t))

series31.0ms

Counts
4 → 12
Calls
4 calls:
7.0ms
(* (sqrt (sqrt (- (* z z) t))) (sqrt (sqrt (- (* z z) t))))
7.0ms
(sqrt (- (* z z) t))
10.0ms
(sqrt (- (* z z) t))
7.0ms
(sqrt (- (* z z) t))

simplify684.0ms

Counts
146 → 146
Iterations

Useful iterations: done (680.0ms)

IterNodesCost
01342488
12451630
27211452
320761423
done50001411

prune156.0ms

Filtered
84 candidates to 146 candidates (-73.8%)
Pruning

8 alts after pruning (5 fresh and 3 done)

PrunedKeptTotal
New1451146
Fresh044
Picked011
Done022
Total1458153

Merged error: 3.7b

Counts
153 → 8

localize19.0ms

Local error

Found 4 expressions with local error:

6.6b
(sqrt (- (* z z) t))
6.6b
(sqrt (- (* z z) t))
6.6b
(sqrt (- (* z z) t))
6.6b
(sqrt (- (* z z) t))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt sqrt-prod
pow1 add-cube-cbrt *-un-lft-identity sqrt-div
add-exp-log rem-sqrt-square flip3-- sqrt-pow1 pow1/2 add-cbrt-cube flip-- add-log-exp difference-of-squares
Counts
4 → 64
Calls
4 calls:
5.0ms
(sqrt (- (* z z) t))
5.0ms
(sqrt (- (* z z) t))
5.0ms
(sqrt (- (* z z) t))
5.0ms
(sqrt (- (* z z) t))

series27.0ms

Counts
4 → 12
Calls
4 calls:
7.0ms
(sqrt (- (* z z) t))
6.0ms
(sqrt (- (* z z) t))
7.0ms
(sqrt (- (* z z) t))
7.0ms
(sqrt (- (* z z) t))

simplify1.0s

Counts
76 → 76
Iterations

Useful iterations: 3 (91.0ms)

IterNodesCost
055820
1122740
2351684
3747676
41427676
52828676
done5000676

prune109.0ms

Filtered
64 candidates to 76 candidates (-18.8%)
Pruning

8 alts after pruning (4 fresh and 4 done)

PrunedKeptTotal
New76076
Fresh044
Picked011
Done033
Total76884

Merged error: 3.7b

Counts
84 → 8

regimes1.0s

Accuracy

78.7% (0.7b remaining)

Error of 3.3b against oracle of 2.6b and baseline of 5.8b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02036
12536
done2536

end0.0ms

sample1.6s

Algorithm
intervals
Results
706.0ms16179×body80valid

Profiling

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