Details

Time bar (total: 15.2s)

sample43.0ms

Algorithm
intervals
Results
15.0ms282×body80valid
4.0ms91×body80nan

simplify82.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01214
12214
24614
37214
49714
511214
done11214

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.4b

localize30.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (* z z) (* t a))
3.8b
(* (* x y) z)
7.9b
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
22.9b
(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
expm1-log1p-u sqrt-div log1p-expm1-u
cbrt-undiv flip3-- div-exp associate-*r* pow-prod-down flip--
associate-/r/
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log associate-*l* prod-diff clear-num *-commutative div-inv associate-/l*
Counts
4 → 86
Calls
4 calls:
19.0ms
(- (* z z) (* t a))
39.0ms
(* (* x y) z)
41.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
30.0ms
(sqrt (- (* z z) (* t a)))

series306.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(- (* z z) (* t a))
27.0ms
(* (* x y) z)
146.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
82.0ms
(sqrt (- (* z z) (* t a)))

simplify1.6s

Counts
98 → 98
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01461331
13611220
215601062
done50011060

prune428.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.1b

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (- (* z z) (* t a))) z)
0.4b
(- (* z z) (* t a))
4.1b
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
22.9b
(sqrt (- (* z z) (* t a)))

rewrite111.0ms

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
expm1-log1p-u sqrt-div log1p-expm1-u div-inv
flip3-- flip--
frac-2neg prod-exp clear-num cbrt-unprod associate-/l/
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 fma-neg diff-log prod-diff associate-/r/
Counts
4 → 142
Calls
4 calls:
30.0ms
(/ (sqrt (- (* z z) (* t a))) z)
20.0ms
(- (* z z) (* t a))
33.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
22.0ms
(sqrt (- (* z z) (* t a)))

series438.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(/ (sqrt (- (* z z) (* t a))) z)
63.0ms
(- (* z z) (* t a))
151.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
97.0ms
(sqrt (- (* z z) (* t a)))

simplify1.7s

Counts
154 → 154
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02222758
15222513
216932314
done50012309

prune633.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.4b

localize28.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (* z z) (* t a))
1.3b
(/ y (/ (sqrt (- (* z z) (* t a))) z))
2.2b
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
22.9b
(sqrt (- (* z z) (* t a)))

rewrite162.0ms

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
expm1-log1p-u log1p-expm1-u 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 fma-neg diff-log associate-*r/ prod-diff pow-prod-down clear-num *-commutative
Counts
4 → 237
Calls
4 calls:
13.0ms
(- (* z z) (* t a))
31.0ms
(/ y (/ (sqrt (- (* z z) (* t a))) z))
90.0ms
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
13.0ms
(sqrt (- (* z z) (* t a)))

series320.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(- (* z z) (* t a))
77.0ms
(/ y (/ (sqrt (- (* z z) (* t a))) z))
127.0ms
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
77.0ms
(sqrt (- (* z z) (* t a)))

simplify1.7s

Counts
249 → 249
Iterations

Useful iterations: done (1.7s)

IterNodesCost
03424983
18024462
223414239
done50014235

prune912.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 3.4b

localize63.0ms

Local error

Found 4 expressions with local error:

9.4b
(cbrt (* x (/ y (/ (sqrt (- (* z z) (* t a))) z))))
22.9b
(sqrt (- (* z z) (* t a)))
22.9b
(sqrt (- (* z z) (* t a)))
22.9b
(sqrt (- (* z z) (* t a)))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 add-cube-cbrt *-un-lft-identity
sqrt-div
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
rem-sqrt-square flip3-- sqrt-pow1 pow1/2 flip--
cbrt-prod cbrt-div pow1/3 associate-*r/
Counts
4 → 63
Calls
4 calls:
28.0ms
(cbrt (* x (/ y (/ (sqrt (- (* z z) (* t a))) z))))
24.0ms
(sqrt (- (* z z) (* t a)))
24.0ms
(sqrt (- (* z z) (* t a)))
25.0ms
(sqrt (- (* z z) (* t a)))

series629.0ms

Counts
4 → 12
Calls
4 calls:
325.0ms
(cbrt (* x (/ y (/ (sqrt (- (* z z) (* t a))) z))))
100.0ms
(sqrt (- (* z z) (* t a)))
122.0ms
(sqrt (- (* z z) (* t a)))
82.0ms
(sqrt (- (* z z) (* t a)))

simplify2.0s

Counts
75 → 75
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01171065
1274966
2740882
32092873
done5001856

prune451.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 3.4b

regimes589.0ms

Accuracy

86.1% (2.8b remaining)

Error of 6.0b against oracle of 3.2b and baseline of 23.0b

bsearch138.0ms

Steps
ItersRangePoint
9
6.663579023451854e+147
9.351805393147033e+156
1.9720317117511606e+149
7
-7.495622944610967e+154
-1.314778648009767e+153
-1.6391293784153955e+153

simplify10.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02029
12729
22929
done2929

end0.0ms

sample2.5s

Algorithm
intervals
Results
857.0ms8845×body80valid
226.0ms3033×body80nan