Details

Time bar (total: 8.1s)

sample31.0ms

Algorithm
intervals
Results
13.0ms280×body80valid
3.0ms93×body80nan

simplify40.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01214
12114
24414
36514
48914
510214
done10214

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 22.0b

localize12.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* z z) (* t a))
4.0b
(* (* x y) z)
8.5b
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
22.0b
(sqrt (- (* z z) (* t a)))

rewrite25.0ms

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:
2.0ms
(- (* z z) (* t a))
6.0ms
(* (* x y) z)
11.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
4.0ms
(sqrt (- (* z z) (* t a)))

series199.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (* z z) (* t a))
23.0ms
(* (* x y) z)
82.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
62.0ms
(sqrt (- (* z z) (* t a)))

simplify527.0ms

Counts
88 → 88
Iterations

Useful iterations: 2 (156.0ms)

IterNodesCost
01341237
13431135
21586975
done5001975

prune232.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 2.3b

localize10.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (- (* z z) (* t a))) z)
1.0b
(- (* z z) (* t a))
2.4b
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
22.0b
(sqrt (- (* z z) (* t a)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
76×times-frac
47×add-sqr-sqrt
46×add-cube-cbrt *-un-lft-identity
33×sqrt-prod
25×associate-/r*
18×add-exp-log add-cbrt-cube
cbrt-undiv div-exp associate-/l*
add-log-exp
pow1
sqrt-div div-inv
flip3-- flip--
frac-2neg prod-exp clear-num cbrt-unprod associate-/l/
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log associate-/r/
Counts
4 → 132
Calls
4 calls:
7.0ms
(/ (sqrt (- (* z z) (* t a))) z)
2.0ms
(- (* z z) (* t a))
12.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
4.0ms
(sqrt (- (* z z) (* t a)))

series246.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(/ (sqrt (- (* z z) (* t a))) z)
36.0ms
(- (* z z) (* t a))
78.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
61.0ms
(sqrt (- (* z z) (* t a)))

simplify607.0ms

Counts
144 → 144
Iterations

Useful iterations: 2 (238.0ms)

IterNodesCost
02102654
15172421
217292227
done50012227

prune363.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.3b

localize11.0ms

Local error

Found 4 expressions with local error:

1.0b
(/ y (/ (sqrt (- (* z z) (* t a))) z))
1.0b
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
1.0b
(- (* z z) (* t a))
22.0b
(sqrt (- (* z z) (* t a)))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
263×times-frac
157×add-sqr-sqrt
143×add-cube-cbrt *-un-lft-identity
71×associate-*r*
67×sqrt-prod
22×associate-/r*
18×add-exp-log add-cbrt-cube
div-inv
pow1
cbrt-undiv div-exp add-log-exp
unswap-sqr
associate-*l* prod-exp cbrt-unprod associate-/l*
flip3-- sqrt-div associate-/r/ flip--
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log associate-*r/ pow-prod-down clear-num *-commutative
Counts
4 → 227
Calls
4 calls:
11.0ms
(/ y (/ (sqrt (- (* z z) (* t a))) z))
33.0ms
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
2.0ms
(- (* z z) (* t a))
4.0ms
(sqrt (- (* z z) (* t a)))

series228.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(/ y (/ (sqrt (- (* z z) (* t a))) z))
81.0ms
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
37.0ms
(- (* z z) (* t a))
58.0ms
(sqrt (- (* z z) (* t a)))

simplify972.0ms

Counts
239 → 239
Iterations

Useful iterations: 2 (318.0ms)

IterNodesCost
03304875
18154362
223574138
done50014138

prune564.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.3b

localize13.0ms

Local error

Found 4 expressions with local error:

0.8b
(/ (/ (sqrt (- (* z z) (* t a))) z) y)
1.0b
(- (* z z) (* t a))
1.3b
(/ x (/ (/ (sqrt (- (* z z) (* t a))) z) y))
22.0b
(sqrt (- (* z z) (* t a)))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
828×times-frac
400×add-sqr-sqrt
399×add-cube-cbrt *-un-lft-identity
147×sqrt-prod
73×associate-/r*
25×associate-/l*
22×div-inv
18×add-exp-log add-cbrt-cube
cbrt-undiv div-exp
add-log-exp
pow1
flip3-- frac-2neg sqrt-div clear-num flip--
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log associate-/r/ associate-/l/
Counts
4 → 433
Calls
4 calls:
12.0ms
(/ (/ (sqrt (- (* z z) (* t a))) z) y)
3.0ms
(- (* z z) (* t a))
20.0ms
(/ x (/ (/ (sqrt (- (* z z) (* t a))) z) y))
4.0ms
(sqrt (- (* z z) (* t a)))

series242.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(/ (/ (sqrt (- (* z z) (* t a))) z) y)
36.0ms
(- (* z z) (* t a))
83.0ms
(/ x (/ (/ (sqrt (- (* z z) (* t a))) z) y))
58.0ms
(sqrt (- (* z z) (* t a)))

simplify1.2s

Counts
445 → 445
Iterations

Useful iterations: done (1.1s)

IterNodesCost
065612287
1162311278
done500111030

prune1.2s

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 2.3b

regimes344.0ms

Accuracy

84.6% (2.9b remaining)

Error of 6.2b against oracle of 3.3b and baseline of 22.3b

bsearch83.0ms

Steps
ItersRangePoint
7
4.43464859477407e+147
1.5123157394476474e+149
6.926066888201142e+147
9
-2.7283838574175814e+156
-2.1161453073457986e+149
-8.618354790122042e+153

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02129
12629
22929
done2929

end0.0ms

sample811.0ms

Algorithm
intervals
Results
352.0ms8864×body80valid
106.0ms2952×body80nan