Details

Time bar (total: 24.9s)

sample130.0ms

Algorithm
intervals
Results
48.0ms193×body80valid
23.0ms30×body2560valid
15.0ms26×body1280valid
11.0ms99×body80nan
6.0ms12×body640valid
4.0msbody5120valid
2.0msbody320valid
0.0msbody160valid

simplify152.0ms

Counts
1 → 1
Iterations
IterNodes
8105
7105
6104
5102
494
377
244
125
014

prune20.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.6b

localize42.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
0.2b
(- (sqrt (fma b b (* (* a -4) c))) b)
0.8b
(fma b b (* (* a -4) c))
24.5b
(sqrt (fma b b (* (* a -4) c)))

rewrite51.0ms

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:
34.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
11.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
0.0ms
(fma b b (* (* a -4) c))
2.0ms
(sqrt (fma b b (* (* a -4) c)))

series480.0ms

Counts
4 → 12
Calls
4 calls:
134.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
153.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
64.0ms
(fma b b (* (* a -4) c))
129.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.2s

Counts
126 → 126
Iterations
IterNodes
32626
2950
1405
0180

prune1.6s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.9b

localize59.0ms

Local error

Found 4 expressions with local error:

0.8b
(fma b b (* (* a -4) c))
0.8b
(fma b b (* (* a -4) c))
24.5b
(sqrt (fma b b (* (* a -4) c)))
24.5b
(sqrt (fma b b (* (* a -4) c)))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 fma-udef
Counts
4 → 54
Calls
4 calls:
0.0ms
(fma b b (* (* a -4) c))
0.0ms
(fma b b (* (* a -4) c))
3.0ms
(sqrt (fma b b (* (* a -4) c)))
3.0ms
(sqrt (fma b b (* (* a -4) c)))

series419.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(fma b b (* (* a -4) c))
71.0ms
(fma b b (* (* a -4) c))
123.0ms
(sqrt (fma b b (* (* a -4) c)))
131.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.0s

Counts
66 → 66
Iterations
IterNodes
42419
3634
2216
192
049

prune1.1s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 5.9b

localize43.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (fma b b (* (* a -4) c))) a)
0.8b
(fma b b (* (* a -4) c))
6.7b
(- (/ (sqrt (fma b b (* (* a -4) c))) a) (/ b a))
24.5b
(sqrt (fma b b (* (* a -4) c)))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
481×times-frac
378×add-sqr-sqrt
366×*-un-lft-identity
358×add-cube-cbrt
286×prod-diff
143×sqrt-prod
39×div-inv
22×fma-neg
add-cbrt-cube add-exp-log associate-/l* add-log-exp difference-of-squares
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u distribute-lft-out--
associate-/r*
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 flip3-- distribute-rgt-out-- pow1/2 diff-log div-exp frac-sub fma-udef flip-- sub-div
Counts
4 → 405
Calls
4 calls:
9.0ms
(/ (sqrt (fma b b (* (* a -4) c))) a)
0.0ms
(fma b b (* (* a -4) c))
38.0ms
(- (/ (sqrt (fma b b (* (* a -4) c))) a) (/ b a))
2.0ms
(sqrt (fma b b (* (* a -4) c)))

series534.0ms

Counts
4 → 12
Calls
4 calls:
167.0ms
(/ (sqrt (fma b b (* (* a -4) c))) a)
71.0ms
(fma b b (* (* a -4) c))
175.0ms
(- (/ (sqrt (fma b b (* (* a -4) c))) a) (/ b a))
120.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.1s

Counts
417 → 417
Iterations
IterNodes
22333
11062
0479

prune5.9s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 5.9b

localize91.0ms

Local error

Found 4 expressions with local error:

24.5b
(sqrt (fma b b (* (* a -4) c)))
25.3b
(cbrt (fma b b (* (* a -4) c)))
25.3b
(cbrt (fma b b (* (* a -4) c)))
25.3b
(cbrt (fma b b (* (* a -4) c)))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3 sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
2.0ms
(sqrt (fma b b (* (* a -4) c)))
1.0ms
(cbrt (fma b b (* (* a -4) c)))
1.0ms
(cbrt (fma b b (* (* a -4) c)))
2.0ms
(cbrt (fma b b (* (* a -4) c)))

series493.0ms

Counts
4 → 12
Calls
4 calls:
103.0ms
(sqrt (fma b b (* (* a -4) c)))
105.0ms
(cbrt (fma b b (* (* a -4) c)))
122.0ms
(cbrt (fma b b (* (* a -4) c)))
163.0ms
(cbrt (fma b b (* (* a -4) c)))

simplify3.2s

Counts
70 → 70
Iterations
IterNodes
54129
41643
3759
2324
1147
072

prune1.3s

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 5.9b

regimes418.0ms

Accuracy

83.5% (4.6b remaining)

Error of 10.4b against oracle of 5.8b and baseline of 33.5b

bsearch237.0ms

Steps
ItersRangePoint
6
3.7222086374392734e-21
4.963951531010332e-20
3.821014310434392e-21
10
-3.568388406125044e+108
-3.585760457965514e+97
-5.571206846913461e+106

simplify9.0ms

Iterations
IterNodes
231
131
027

end0.0ms

sample5.0s

Algorithm
intervals
Results
1.6s1029×body2560valid
1.4s5860×body80valid
683.0ms889×body1280valid
410.0ms2862×body80nan
324.0ms469×body640valid
131.0ms107×body5120valid
78.0ms199×body320valid
39.0ms141×body160valid