Details

Time bar (total: 12.5s)

sample23.0ms

Algorithm
intervals
Results
11.0ms256×body80valid

simplify17.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0912
11312
22012
32212
done2212

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.6b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* x x) (* y y))
0.0b
(+ (+ (* x x) (* y y)) (* z z))
34.0b
(sqrt (+ (+ (* x x) (* y y)) (* z z)))

rewrite128.0ms

Algorithm
rewrite-expression-head
Rules
10×add-log-exp
add-sqr-sqrt
pow1 add-cube-cbrt *-un-lft-identity sum-log
add-exp-log flip3-+ sqrt-prod add-cbrt-cube flip-+
+-commutative sqrt-div
rem-sqrt-square associate-+l+ sqrt-pow1 pow1/2
Counts
3 → 39
Calls
3 calls:
16.0ms
(+ (* x x) (* y y))
50.0ms
(+ (+ (* x x) (* y y)) (* z z))
61.0ms
(sqrt (+ (+ (* x x) (* y y)) (* z z)))

series252.0ms

Counts
3 → 9
Calls
3 calls:
40.0ms
(+ (* x x) (* y y))
58.0ms
(+ (+ (* x x) (* y y)) (* z z))
153.0ms
(sqrt (+ (+ (* x x) (* y y)) (* z z)))

simplify1.5s

Counts
48 → 48
Iterations

Useful iterations: 3 (564.0ms)

IterNodesCost
074742
1203681
2653621
32437605
done5001605

prune151.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 20.1b

localize17.0ms

Local error

Found 4 expressions with local error:

34.0b
(sqrt (* (* (cbrt (+ (+ (* x x) (* y y)) (* z z))) (cbrt (+ (+ (* x x) (* y y)) (* z z)))) (cbrt (+ (+ (* x x) (* y y)) (* z z)))))
35.2b
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
35.2b
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
35.2b
(cbrt (+ (+ (* x x) (* y y)) (* z z)))

rewrite312.0ms

Algorithm
rewrite-expression-head
Rules
60×cbrt-div
30×flip3-+ flip-+
28×frac-times
26×sqrt-div
24×pow1
15×sqrt-pow1
14×associate-*l/
12×pow1/3
cbrt-prod pow-prod-up
associate-*r/
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow-plus
pow-prod-down
add-exp-log add-cbrt-cube add-log-exp
pow-sqr
pow2
pow1/2 pow3 sqrt-prod
Counts
4 → 89
Calls
4 calls:
251.0ms
(sqrt (* (* (cbrt (+ (+ (* x x) (* y y)) (* z z))) (cbrt (+ (+ (* x x) (* y y)) (* z z)))) (cbrt (+ (+ (* x x) (* y y)) (* z z)))))
17.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
21.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
17.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))

series579.0ms

Counts
4 → 12
Calls
4 calls:
142.0ms
(sqrt (* (* (cbrt (+ (+ (* x x) (* y y)) (* z z))) (cbrt (+ (+ (* x x) (* y y)) (* z z)))) (cbrt (+ (+ (* x x) (* y y)) (* z z)))))
123.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
143.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
170.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))

simplify3.0s

Counts
101 → 101
Iterations

Useful iterations: 3 (436.0ms)

IterNodesCost
01714335
12973955
25543310
313443038
445343038
done50013038

prune402.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 20.1b

localize27.0ms

Local error

Found 4 expressions with local error:

35.2b
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
35.2b
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
35.2b
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
35.2b
(cbrt (+ (+ (* x x) (* y y)) (* z z)))

rewrite135.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
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
Counts
4 → 52
Calls
4 calls:
25.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
35.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
34.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
40.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))

series675.0ms

Counts
4 → 12
Calls
4 calls:
160.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
180.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
166.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))
168.0ms
(cbrt (+ (+ (* x x) (* y y)) (* z z)))

simplify3.0s

Counts
64 → 64
Iterations

Useful iterations: 3 (321.0ms)

IterNodesCost
0581352
11391324
23861204
311701124
441611124
done50001124

prune448.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 20.1b

localize2.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
000
done00

prune1.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 20.1b

regimes430.0ms

Accuracy

63.1% (7.3b remaining)

Error of 25.5b against oracle of 18.2b and baseline of 38.1b

bsearch119.0ms

Steps
ItersRangePoint
8
9.20494146023971e+137
7.045427827826125e+140
1.9453302589220937e+138
9
-1.9215371086303872e+109
-1.5895300252882697e+103
-1.8843851882908976e+109

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01623
11823
done1823

end0.0ms

sample1.3s

Algorithm
intervals
Results
964.0ms8000×body80valid