Details

Time bar (total: 14.5s)

sample49.0ms

Algorithm
intervals
Results
16.0ms283×body80valid
6.0ms98×body80nan

simplify126.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01214
12114
24514
36714
49214
510714
done10714

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.7b

localize26.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* z z) (* t a))
3.9b
(* (* x y) z)
10.9b
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
26.2b
(sqrt (- (* z z) (* t a)))

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
18×add-exp-log add-cbrt-cube
11×add-sqr-sqrt
10×pow1 add-cube-cbrt *-un-lft-identity
sqrt-prod
times-frac prod-exp associate-/r* cbrt-unprod add-log-exp
sqrt-div
cbrt-undiv flip3-- div-exp associate-*r* pow-prod-down flip--
associate-/r/
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log associate-*l* clear-num *-commutative div-inv associate-/l*
Counts
4 → 76
Calls
4 calls:
10.0ms
(- (* z z) (* t a))
37.0ms
(* (* x y) z)
69.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
19.0ms
(sqrt (- (* z z) (* t a)))

series314.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(- (* z z) (* t a))
42.0ms
(* (* x y) z)
142.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
68.0ms
(sqrt (- (* z z) (* t a)))

simplify1.4s

Counts
88 → 88
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01341237
13411135
21495975
done5001974

prune341.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.1b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ z (sqrt (- (* z z) (* t a))))
0.8b
(- (* z z) (* t a))
2.4b
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
26.2b
(sqrt (- (* z z) (* t a)))

rewrite98.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
34×add-sqr-sqrt
33×add-cube-cbrt *-un-lft-identity
24×associate-*r* sqrt-prod
18×add-exp-log add-cbrt-cube
10×pow1
sqrt-div prod-exp associate-/r* cbrt-unprod add-log-exp
flip3-- associate-/r/ flip--
cbrt-undiv div-exp pow-prod-down associate-/l*
div-inv
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log associate-*r/ associate-*l* clear-num *-commutative
Counts
4 → 112
Calls
4 calls:
19.0ms
(/ z (sqrt (- (* z z) (* t a))))
8.0ms
(- (* z z) (* t a))
54.0ms
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
9.0ms
(sqrt (- (* z z) (* t a)))

series363.0ms

Counts
4 → 12
Calls
4 calls:
84.0ms
(/ z (sqrt (- (* z z) (* t a))))
58.0ms
(- (* z z) (* t a))
128.0ms
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
93.0ms
(sqrt (- (* z z) (* t a)))

simplify1.8s

Counts
124 → 124
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01662031
14181847
215211643
done50001642

prune431.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.8b

localize27.0ms

Local error

Found 4 expressions with local error:

0.8b
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
0.8b
(- (* z z) (* t a))
1.5b
(* y (/ z (sqrt (- (* z z) (* t a)))))
26.2b
(sqrt (- (* z z) (* t a)))

rewrite172.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
25×associate-*r*
20×add-cube-cbrt *-un-lft-identity times-frac
18×add-exp-log add-cbrt-cube
13×sqrt-prod
12×pow1
prod-exp cbrt-unprod
associate-*l* add-log-exp
sqrt-div pow-prod-down
flip3-- associate-*r/ flip-- unswap-sqr
cbrt-undiv div-exp associate-/r/ *-commutative
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log div-inv
Counts
4 → 92
Calls
4 calls:
65.0ms
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
8.0ms
(- (* z z) (* t a))
78.0ms
(* y (/ z (sqrt (- (* z z) (* t a)))))
18.0ms
(sqrt (- (* z z) (* t a)))

series322.0ms

Counts
4 → 12
Calls
4 calls:
131.0ms
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
37.0ms
(- (* z z) (* t a))
77.0ms
(* y (/ z (sqrt (- (* z z) (* t a)))))
78.0ms
(sqrt (- (* z z) (* t a)))

simplify2.3s

Counts
104 → 104
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
01611572
13951453
211471241
338631240
done50001240

prune345.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 2.8b

localize32.0ms

Local error

Found 4 expressions with local error:

12.7b
(cbrt (* x (* y (/ z (sqrt (- (* z z) (* t a)))))))
26.2b
(sqrt (- (* z z) (* t a)))
26.2b
(sqrt (- (* z z) (* t a)))
26.2b
(sqrt (- (* z z) (* t a)))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 add-cube-cbrt *-un-lft-identity
sqrt-div
add-exp-log add-cbrt-cube add-log-exp
rem-sqrt-square flip3-- sqrt-pow1 pow1/2 flip--
associate-*r/
cbrt-prod cbrt-div pow1/3
Counts
4 → 55
Calls
4 calls:
43.0ms
(cbrt (* x (* y (/ z (sqrt (- (* z z) (* t a)))))))
9.0ms
(sqrt (- (* z z) (* t a)))
9.0ms
(sqrt (- (* z z) (* t a)))
9.0ms
(sqrt (- (* z z) (* t a)))

series456.0ms

Counts
4 → 12
Calls
4 calls:
257.0ms
(cbrt (* x (* y (/ z (sqrt (- (* z z) (* t a)))))))
67.0ms
(sqrt (- (* z z) (* t a)))
64.0ms
(sqrt (- (* z z) (* t a)))
68.0ms
(sqrt (- (* z z) (* t a)))

simplify2.9s

Counts
67 → 67
Iterations

Useful iterations: 4 (1.7s)

IterNodesCost
0113979
1266892
2700806
31895800
44898782
done5001782

prune364.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 2.8b

regimes496.0ms

Accuracy

87.3% (2.5b remaining)

Error of 6.0b against oracle of 3.5b and baseline of 23.0b

bsearch55.0ms

Steps
ItersRangePoint
1
2.7753413219507016e+156
2.949286285521596e+156
2.818827562843425e+156
9
-3.285142281572991e+120
-3.2249995708726854e+115
-5.1997141694493184e+116

simplify6.0ms

Iterations

Useful iterations: 2 (3.0ms)

IterNodesCost
02130
12630
22729
33329
done3329

end0.0ms

sample1.9s

Algorithm
intervals
Results
631.0ms8864×body80valid
151.0ms2951×body80nan