Details

Time bar (total: 19.3s)

sample134.0ms

Algorithm
intervals
Results
36.0ms25×body1280valid
34.0ms210×body80valid
21.0ms23×body2560valid
12.0ms84×body80nan
5.0msbody640valid
4.0msbody320valid
2.0msbody5120valid
0.0msbody160valid

simplify104.0ms

Counts
1 → 1
Iterations
IterNodes
done101
7101
6100
598
490
374
244
125
014

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.5b

localize29.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
0.8b
(fma (* a c) -4 (* b b))
1.0b
(- (sqrt (fma (* a c) -4 (* b b))) b)
20.8b
(sqrt (fma (* a c) -4 (* b b)))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
40×*-un-lft-identity
30×add-cube-cbrt
20×sqrt-prod
18×times-frac prod-diff
10×difference-of-squares
add-cbrt-cube fma-neg add-exp-log associate-/l* add-log-exp
pow1 distribute-lft-out--
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-- flip-- associate-/l/
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp fma-udef div-inv
Counts
4 → 114
Calls
4 calls:
39.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
0.0ms
(fma (* a c) -4 (* b b))
15.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
2.0ms
(sqrt (fma (* a c) -4 (* b b)))

series394.0ms

Counts
4 → 12
Calls
4 calls:
133.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
58.0ms
(fma (* a c) -4 (* b b))
98.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
103.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify2.3s

Counts
126 → 126
Iterations
IterNodes
done5008
32698
2773
1335
0156

prune636.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 20.8b

localize30.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ a (- (sqrt (fma (* a c) -4 (* b b))) b))
0.8b
(fma (* a c) -4 (* b b))
1.0b
(- (sqrt (fma (* a c) -4 (* b b))) b)
20.8b
(sqrt (fma (* a c) -4 (* b b)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
40×*-un-lft-identity
30×add-cube-cbrt
20×sqrt-prod
18×times-frac prod-diff
10×difference-of-squares
associate-/r* add-cbrt-cube fma-neg add-exp-log add-log-exp
pow1 distribute-lft-out--
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/l*
flip3-- associate-/r/ flip--
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-exp fma-udef div-inv
Counts
4 → 113
Calls
4 calls:
17.0ms
(/ a (- (sqrt (fma (* a c) -4 (* b b))) b))
0.0ms
(fma (* a c) -4 (* b b))
8.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series535.0ms

Counts
4 → 12
Calls
4 calls:
242.0ms
(/ a (- (sqrt (fma (* a c) -4 (* b b))) b))
60.0ms
(fma (* a c) -4 (* b b))
125.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
108.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify2.1s

Counts
125 → 125
Iterations
IterNodes
done5002
32808
2862
1342
0165

prune536.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 12.7b

localize32.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (- (sqrt (fma (* a c) -4 (* b b))) b) (/ 1 a))
0.8b
(fma (* a c) -4 (* b b))
1.0b
(- (sqrt (fma (* a c) -4 (* b b))) b)
20.8b
(sqrt (fma (* a c) -4 (* b b)))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
32×*-un-lft-identity
27×add-cube-cbrt
18×prod-diff
17×sqrt-prod
13×associate-*r* add-exp-log
11×times-frac
add-cbrt-cube
pow1
fma-neg associate-*l* add-log-exp
expm1-log1p-u prod-exp insert-posit16 log1p-expm1-u difference-of-squares
flip3-- flip-- unswap-sqr
frac-times div-exp associate-*l/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sub-neg sqrt-pow1 pow1/2 diff-log 1-exp pow-prod-down associate-*r/ un-div-inv *-commutative fma-udef div-inv
Counts
4 → 115
Calls
4 calls:
26.0ms
(* (- (sqrt (fma (* a c) -4 (* b b))) b) (/ 1 a))
0.0ms
(fma (* a c) -4 (* b b))
12.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series466.0ms

Counts
4 → 12
Calls
4 calls:
170.0ms
(* (- (sqrt (fma (* a c) -4 (* b b))) b) (/ 1 a))
66.0ms
(fma (* a c) -4 (* b b))
128.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
102.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify2.8s

Counts
127 → 127
Iterations
IterNodes
done5001
32881
21007
1397
0175

prune664.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 12.7b

localize44.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ (- (sqrt (fma b b (* (* a c) -4))) b) a)
1.0b
(fma b b (* (* a c) -4))
1.0b
(- (sqrt (fma b b (* (* a c) -4))) b)
20.8b
(sqrt (fma b b (* (* a c) -4)))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
40×*-un-lft-identity
30×add-cube-cbrt
20×sqrt-prod
18×times-frac prod-diff
10×difference-of-squares
add-cbrt-cube fma-neg add-exp-log associate-/l* add-log-exp
pow1 distribute-lft-out--
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-- flip-- associate-/l/
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp fma-udef div-inv
Counts
4 → 114
Calls
4 calls:
20.0ms
(/ (- (sqrt (fma b b (* (* a c) -4))) b) a)
0.0ms
(fma b b (* (* a c) -4))
15.0ms
(- (sqrt (fma b b (* (* a c) -4))) b)
2.0ms
(sqrt (fma b b (* (* a c) -4)))

series423.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(/ (- (sqrt (fma b b (* (* a c) -4))) b) a)
66.0ms
(fma b b (* (* a c) -4))
118.0ms
(- (sqrt (fma b b (* (* a c) -4))) b)
111.0ms
(sqrt (fma b b (* (* a c) -4)))

simplify2.6s

Counts
126 → 126
Iterations
IterNodes
done5000
33729
21007
1421
0179

prune534.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.5b

regimes264.0ms

Accuracy

86.9% (3.6b remaining)

Error of 9.2b against oracle of 5.6b and baseline of 33.0b

bsearch236.0ms

Steps
ItersRangePoint
7
5.455680955858941e+61
9.381769121995126e+63
6.105883600684466e+62
5
5.79842255379007e-265
2.1404603426561788e-264
8.90802686721313e-265
7
-9.460060253608456e+39
-2.573022393154551e+38
-9.348931433494438e+39

simplify12.0ms

Iterations
IterNodes
done43
143
038

end0.0ms

sample4.3s

Algorithm
intervals
Results
1.5s5870×body80valid
931.0ms1084×body2560valid
613.0ms907×body1280valid
405.0ms3007×body80nan
251.0ms447×body640valid
154.0ms101×body5120valid
105.0ms232×body320valid
24.0ms109×body160valid