Details

Time bar (total: 14.3s)

sample74.0ms

Algorithm
intervals
Results
26.0ms288×body80valid
6.0ms72×body80nan

simplify146.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01214
12214
24614
37314
49814
511914
done11914

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 25.8b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* z z) (* t a))
3.8b
(* (* x y) z)
9.9b
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
24.9b
(sqrt (- (* z z) (* t a)))

rewrite110.0ms

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:
9.0ms
(- (* z z) (* t a))
18.0ms
(* (* x y) z)
45.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
32.0ms
(sqrt (- (* z z) (* t a)))

series318.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(- (* z z) (* t a))
44.0ms
(* (* x y) z)
113.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
94.0ms
(sqrt (- (* z z) (* t a)))

simplify1.4s

Counts
98 → 98
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01461331
13861225
222651080
done50001077

prune493.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.2b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (sqrt (- (* z z) (* t a))) z)
0.2b
(- (* z z) (* t a))
2.8b
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
24.9b
(sqrt (- (* z z) (* t a)))

rewrite114.0ms

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:
37.0ms
(/ (sqrt (- (* z z) (* t a))) z)
18.0ms
(- (* z z) (* t a))
25.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
27.0ms
(sqrt (- (* z z) (* t a)))

series397.0ms

Counts
4 → 12
Calls
4 calls:
119.0ms
(/ (sqrt (- (* z z) (* t a))) z)
47.0ms
(- (* z z) (* t a))
137.0ms
(/ (* x y) (/ (sqrt (- (* z z) (* t a))) z))
95.0ms
(sqrt (- (* z z) (* t a)))

simplify2.2s

Counts
154 → 154
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02222758
15922536
236592332
done50012330

prune531.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.5b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* z z) (* t a))
1.2b
(/ y (/ (sqrt (- (* z z) (* t a))) z))
2.2b
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
24.9b
(sqrt (- (* z z) (* t a)))

rewrite136.0ms

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:
9.0ms
(- (* z z) (* t a))
18.0ms
(/ y (/ (sqrt (- (* z z) (* t a))) z))
72.0ms
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
12.0ms
(sqrt (- (* z z) (* t a)))

series311.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(- (* z z) (* t a))
70.0ms
(/ y (/ (sqrt (- (* z z) (* t a))) z))
111.0ms
(* x (/ y (/ (sqrt (- (* z z) (* t a))) z)))
67.0ms
(sqrt (- (* z z) (* t a)))

simplify632.0ms

Counts
249 → 249
Iterations

Useful iterations: done (622.0ms)

IterNodesCost
03424983
19744546
done50004285

prune903.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 4.5b

localize23.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ 1 (/ (sqrt (- (* z z) (* t a))) z))
1.1b
(* y (/ 1 (/ (sqrt (- (* z z) (* t a))) z)))
2.2b
(* x (* y (/ 1 (/ (sqrt (- (* z z) (* t a))) z))))
24.9b
(sqrt (- (* z z) (* t a)))

rewrite240.0ms

Algorithm
rewrite-expression-head
Rules
268×times-frac
166×add-sqr-sqrt
147×*-un-lft-identity
144×add-cube-cbrt
72×associate-*r*
68×sqrt-prod
62×add-exp-log
32×add-cbrt-cube
22×prod-exp associate-/r*
21×div-exp
13×pow1
10×cbrt-unprod
cbrt-undiv div-inv
unswap-sqr
rec-exp 1-exp associate-*l*
expm1-log1p-u associate-*r/ pow-prod-down log1p-expm1-u add-log-exp
associate-/l*
sqrt-div associate-/r/ un-div-inv *-commutative
rem-sqrt-square flip3-- pow-flip frac-2neg sqrt-pow1 pow1/2 clear-num flip-- inv-pow
Counts
4 → 265
Calls
4 calls:
30.0ms
(/ 1 (/ (sqrt (- (* z z) (* t a))) z))
77.0ms
(* y (/ 1 (/ (sqrt (- (* z z) (* t a))) z)))
89.0ms
(* x (* y (/ 1 (/ (sqrt (- (* z z) (* t a))) z))))
13.0ms
(sqrt (- (* z z) (* t a)))

series386.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(/ 1 (/ (sqrt (- (* z z) (* t a))) z))
75.0ms
(* y (/ 1 (/ (sqrt (- (* z z) (* t a))) z)))
135.0ms
(* x (* y (/ 1 (/ (sqrt (- (* z z) (* t a))) z))))
100.0ms
(sqrt (- (* z z) (* t a)))

simplify2.5s

Counts
277 → 277
Iterations

Useful iterations: done (2.5s)

IterNodesCost
03445647
110024738
245084251
done50004250

prune854.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.5b

regimes456.0ms

Accuracy

84.2% (3.1b remaining)

Error of 6.4b against oracle of 3.3b and baseline of 22.9b

bsearch113.0ms

Steps
ItersRangePoint
8
1.473270777738138e+80
6.009375374018846e+83
6.239560565980057e+82
7
-6.537164733756459e+138
-2.8278494132354943e+136
-8.271419220344132e+137

simplify9.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02231
13231
23431
done3431

end0.0ms

sample1.8s

Algorithm
intervals
Results
605.0ms8817×body80valid
203.0ms2946×body80nan