Details

Time bar (total: 1.5m)

sample98.0ms

Algorithm
intervals
Results
32.0ms30×body1280valid
20.0ms38×body2560valid
17.0ms189×body80valid
8.0ms87×body80nan
5.0ms15×body640valid
2.0msbody320valid
1.0msbody5120valid

simplify158.0ms

Counts
1 → 1

prune18.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.3b

localize19.0ms

Local error

Found 3 expressions with local error:

22.6b
(sqrt (fma c (* -4 a) (* b b)))
0.3b
(- (sqrt (fma c (* -4 a) (* b b))) b)
0.1b
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
134×add-sqr-sqrt
107×*-un-lft-identity
81×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
div-inv add-log-exp
pow1
expm1-log1p-u cbrt-undiv associate-/r* div-exp insert-posit16 log1p-expm1-u
div-sub
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 diff-log flip-- associate-/l/
Counts
3 → 168
Calls
3 calls:
Slowest
20.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)
7.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
1.0ms
(sqrt (fma c (* -4 a) (* b b)))

series327.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
115.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)
110.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
102.0ms
(sqrt (fma c (* -4 a) (* b b)))

simplify754.0ms

Counts
177 → 177

prune2.2s

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 27.6b

localize24.0ms

Local error

Found 3 expressions with local error:

22.6b
(sqrt (fma c (* -4 a) (* b b)))
5.2b
(- (/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a) (/ (/ b 2) a))
0.1b
(/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a)

rewrite308.0ms

Algorithm
rewrite-expression-head
Rules
10113×times-frac
5325×add-sqr-sqrt
5299×*-un-lft-identity
5273×add-cube-cbrt
3010×prod-diff
1230×sqrt-prod
469×div-inv
70×fma-neg
22×associate-/l*
13×distribute-lft-out--
12×difference-of-squares
add-cbrt-cube add-exp-log
add-log-exp
pow1 distribute-rgt-out--
expm1-log1p-u cbrt-undiv associate-/r* div-exp insert-posit16 log1p-expm1-u
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 diff-log frac-sub flip-- sub-div associate-/l/
Counts
3 → 3251
Calls
3 calls:
Slowest
46.0ms
(- (/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a) (/ (/ b 2) a))
15.0ms
(/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a)
1.0ms
(sqrt (fma c (* -4 a) (* b b)))

series850.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
572.0ms
(- (/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a) (/ (/ b 2) a))
155.0ms
(/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a)
123.0ms
(sqrt (fma c (* -4 a) (* b b)))

simplify8.1s

Counts
3260 → 3260

prune1.0m

Pruning

23 alts after pruning (23 fresh and 0 done)

Merged error: 27.6b

localize23.0ms

Local error

Found 3 expressions with local error:

22.6b
(sqrt (fma c (* a -4) (* b b)))
0.3b
(- (sqrt (fma c (* a -4) (* b b))) b)
0.2b
(* (- (sqrt (fma c (* a -4) (* b b))) b) (/ 1/2 a))

rewrite49.0ms

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
31.0ms
(* (- (sqrt (fma c (* a -4) (* b b))) b) (/ 1/2 a))
14.0ms
(- (sqrt (fma c (* a -4) (* b b))) b)
2.0ms
(sqrt (fma c (* a -4) (* b b)))

series356.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
127.0ms
(- (sqrt (fma c (* a -4) (* b b))) b)
122.0ms
(sqrt (fma c (* a -4) (* b b)))
107.0ms
(* (- (sqrt (fma c (* a -4) (* b b))) b) (/ 1/2 a))

simplify1.6s

Counts
109 → 109

prune2.0s

Pruning

25 alts after pruning (24 fresh and 1 done)

Merged error: 27.6b

localize34.0ms

Local error

Found 4 expressions with local error:

22.6b
(sqrt (fma c (* -4 a) (* b b)))
0.5b
(/ (sqrt 1/2) a)
0.3b
(- (sqrt (fma c (* -4 a) (* b b))) b)
0.3b
(* (sqrt 1/2) (- (sqrt (fma c (* -4 a) (* b b))) b))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
74×add-sqr-sqrt
65×*-un-lft-identity
61×add-cube-cbrt
54×prod-diff
51×sqrt-prod
20×distribute-rgt-in distribute-lft-in
18×times-frac
add-cbrt-cube add-exp-log
pow1
fma-neg associate-*r* associate-*l* associate-/l* add-log-exp
expm1-log1p-u insert-posit16 log1p-expm1-u difference-of-squares
associate-/r* sub-neg
flip3-- associate-*r/ flip-- distribute-lft-out-- unswap-sqr
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 diff-log div-exp pow-prod-down prod-exp *-commutative cbrt-unprod div-inv
Counts
4 → 170
Calls
4 calls:
Slowest
27.0ms
(* (sqrt 1/2) (- (sqrt (fma c (* -4 a) (* b b))) b))
7.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
5.0ms
(/ (sqrt 1/2) a)
1.0ms
(sqrt (fma c (* -4 a) (* b b)))

series508.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
208.0ms
(* (sqrt 1/2) (- (sqrt (fma c (* -4 a) (* b b))) b))
118.0ms
(sqrt (fma c (* -4 a) (* b b)))
118.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
64.0ms
(/ (sqrt 1/2) a)

simplify1.3s

Counts
182 → 182

prune2.2s

Pruning

24 alts after pruning (23 fresh and 1 done)

Merged error: 27.6b

regimes811.0ms

Accuracy

91.5% (0.4b remaining)

Error of 28.7b against oracle of 28.2b and baseline of 33.0b

bsearch187.0ms

end0.0ms

sample4.6s

Algorithm
intervals
Results
1.3s5902×body80valid
1.1s1070×body2560valid
792.0ms864×body1280valid
442.0ms2867×body80nan
304.0ms458×body640valid
131.0ms102×body5120valid
82.0ms207×body320valid
32.0ms112×body160valid