Details

Time bar (total: 26.3s)

sample156.0ms

Algorithm
intervals
Results
52.0ms191×body80valid
38.0ms41×body2560valid
21.0ms28×body1280valid
14.0ms93×body80nan
7.0ms12×body640valid
5.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify208.0ms

Counts
1 → 1

prune20.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.5b

localize47.0ms

Local error

Found 4 expressions with local error:

23.1b
(sqrt (fma (* a c) -4 (* b b)))
1.0b
(fma (* a c) -4 (* b b))
0.8b
(- (sqrt (fma (* a c) -4 (* b b))) b)
0.1b
(/ (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2) a)

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
135×add-sqr-sqrt
108×*-un-lft-identity
82×add-cube-cbrt
28×sqrt-prod
26×difference-of-squares
22×associate-/l*
18×prod-diff
13×distribute-lft-out--
add-cbrt-cube add-exp-log
fma-neg add-log-exp
pow1 div-inv
expm1-log1p-u insert-posit16 log1p-expm1-u
cbrt-undiv associate-/r* div-exp
div-sub
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 diff-log fma-udef flip-- associate-/l/
Counts
4 → 179
Calls
4 calls:
Slowest
17.0ms
(/ (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2) a)
15.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
2.0ms
(sqrt (fma (* a c) -4 (* b b)))
0.0ms
(fma (* a c) -4 (* b b))

series441.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
153.0ms
(/ (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2) a)
114.0ms
(sqrt (fma (* a c) -4 (* b b)))
112.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
63.0ms
(fma (* a c) -4 (* b b))

simplify826.0ms

Counts
191 → 191

prune2.4s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 28.0b

localize30.0ms

Local error

Found 3 expressions with local error:

23.1b
(sqrt (fma a (* -4 c) (* b b)))
0.8b
(- (sqrt (fma a (* -4 c) (* b b))) b)
0.2b
(* (- (sqrt (fma a (* -4 c) (* b b))) b) (/ 1/2 a))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
40×add-sqr-sqrt
30×*-un-lft-identity
26×add-cube-cbrt
18×prod-diff
17×sqrt-prod
13×associate-*r*
10×times-frac
add-cbrt-cube add-exp-log
pow1 fma-neg associate-*l*
add-log-exp
difference-of-squares
expm1-log1p-u flip3-- insert-posit16 log1p-expm1-u flip--
frac-times associate-*l/ prod-exp cbrt-unprod distribute-lft-out-- unswap-sqr
cbrt-undiv rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log div-exp pow-prod-down associate-*r/ *-commutative div-inv
Counts
3 → 100
Calls
3 calls:
Slowest
30.0ms
(* (- (sqrt (fma a (* -4 c) (* b b))) b) (/ 1/2 a))
20.0ms
(- (sqrt (fma a (* -4 c) (* b b))) b)
2.0ms
(sqrt (fma a (* -4 c) (* b b)))

series384.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
168.0ms
(* (- (sqrt (fma a (* -4 c) (* b b))) b) (/ 1/2 a))
113.0ms
(- (sqrt (fma a (* -4 c) (* b b))) b)
103.0ms
(sqrt (fma a (* -4 c) (* b b)))

simplify1.6s

Counts
109 → 109

prune1.3s

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 28.0b

localize37.0ms

Local error

Found 4 expressions with local error:

23.1b
(sqrt (fma (* a c) -4 (* b b)))
1.0b
(fma (* a c) -4 (* b b))
0.8b
(- (sqrt (fma (* a c) -4 (* b b))) b)
0.2b
(/ 1 (/ a (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
693×times-frac
452×add-sqr-sqrt
377×*-un-lft-identity
303×add-cube-cbrt
74×difference-of-squares
71×associate-/r*
52×sqrt-prod
37×distribute-lft-out--
25×add-exp-log
18×prod-diff
17×div-inv
15×div-exp
13×add-cbrt-cube
pow1 cbrt-undiv fma-neg add-log-exp
associate-/r/
expm1-log1p-u insert-posit16 log1p-expm1-u
rec-exp 1-exp associate-/l*
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 diff-log fma-udef pow-flip flip-- inv-pow
Counts
4 → 384
Calls
4 calls:
Slowest
28.0ms
(/ 1 (/ a (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))
16.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
10.0ms
(sqrt (fma (* a c) -4 (* b b)))
0.0ms
(fma (* a c) -4 (* b b))

series511.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
192.0ms
(/ 1 (/ a (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))
120.0ms
(sqrt (fma (* a c) -4 (* b b)))
120.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
78.0ms
(fma (* a c) -4 (* b b))

simplify752.0ms

Counts
396 → 396

prune4.9s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 28.0b

localize42.0ms

Local error

Found 4 expressions with local error:

23.1b
(sqrt (fma (* a c) -4 (* b b)))
1.0b
(fma (* a c) -4 (* b b))
0.8b
(- (sqrt (fma (* a c) -4 (* b b))) b)
0.1b
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) (/ a (/ 1 2)))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
726×times-frac
494×add-sqr-sqrt
401×*-un-lft-identity
309×add-cube-cbrt
92×difference-of-squares
61×sqrt-prod
46×distribute-lft-out--
44×associate-/r*
29×div-inv
19×add-exp-log
18×prod-diff
13×add-cbrt-cube
11×div-exp
associate-/r/
cbrt-undiv fma-neg associate-/l* add-log-exp
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
flip3-- flip-- associate-/l/
rem-sqrt-square rec-exp clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log 1-exp div-sub fma-udef
Counts
4 → 408
Calls
4 calls:
Slowest
33.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) (/ a (/ 1 2)))
12.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
2.0ms
(sqrt (fma (* a c) -4 (* b b)))
0.0ms
(fma (* a c) -4 (* b b))

series410.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
136.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) (/ a (/ 1 2)))
113.0ms
(sqrt (fma (* a c) -4 (* b b)))
92.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
70.0ms
(fma (* a c) -4 (* b b))

simplify870.0ms

Counts
420 → 420

prune5.8s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 28.0b

regimes345.0ms

Accuracy

90.6% (0.4b remaining)

Error of 29.4b against oracle of 28.9b and baseline of 33.7b

bsearch144.0ms

end0.0ms

sample4.8s

Algorithm
intervals
Results
1.6s1143×body2560valid
1.0s5839×body80valid
747.0ms888×body1280valid
491.0ms2933×body80nan
274.0ms450×body640valid
148.0ms115×body5120valid
105.0ms203×body320valid
29.0ms108×body160valid