Details

Time bar (total: 19.8s)

sample158.0ms

Algorithm
intervals
Results
44.0ms41×body2560valid
32.0ms179×body80valid
23.0ms27×body1280valid
16.0ms95×body80nan
8.0ms12×body640valid
5.0msbody5120valid
4.0msbody320valid
1.0msbody160valid

simplify170.0ms

Calls
1 calls:
Slowest
170.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))

prune17.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 35.4b

localize19.0ms

Local error

Found 3 expressions with local error:

25.6b
(sqrt (fma c (* -4 a) (* b b)))
1.0b
(- (sqrt (fma c (* -4 a) (* b b))) b)
0.1b
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
140×add-sqr-sqrt
138×times-frac
111×*-un-lft-identity
83×add-cube-cbrt
29×sqrt-prod
28×associate-/l* difference-of-squares
18×prod-diff
16×associate-/l/
14×distribute-lft-out--
add-cbrt-cube add-exp-log
associate-/r* fma-neg
div-inv add-log-exp
pow1
expm1-log1p-u cbrt-undiv div-exp insert-posit16 log1p-expm1-u
clear-num frac-2neg flip3-- div-sub flip--
rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log
Calls
3 calls:
Slowest
32.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)
15.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
1.0ms
(sqrt (fma c (* -4 a) (* b b)))

series329.0ms

Calls
3 calls:
Slowest
123.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
108.0ms
(sqrt (fma c (* -4 a) (* b b)))
97.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)

simplify15.7s

Calls
232 calls:
Slowest
600.0ms
(- (* (sqrt (fma c (* -4 a) (* b b))) (sqrt (fma c (* -4 a) (* b b)))) (* b b))
481.0ms
(/ (/ (* (cbrt (- (sqrt (fma c (* -4 a) (* b b))) b)) (cbrt (- (sqrt (fma c (* -4 a) (* b b))) b))) (* (cbrt 2) (cbrt 2))) (* (cbrt a) (cbrt a)))
354.0ms
(- (pow (sqrt (fma c (* -4 a) (* b b))) 3) (pow b 3))
244.0ms
(/ (/ (* (cbrt (- (sqrt (fma c (* -4 a) (* b b))) b)) (cbrt (- (sqrt (fma c (* -4 a) (* b b))) b))) (* (cbrt 2) (cbrt 2))) (sqrt a))
235.0ms
(/ (/ (* (cbrt (- (sqrt (fma c (* -4 a) (* b b))) b)) (cbrt (- (sqrt (fma c (* -4 a) (* b b))) b))) (sqrt 2)) (* (cbrt a) (cbrt a)))

prune2.2s

Pruning

20 alts after pruning (20 fresh and 0 done)

Merged error: 29.7b

localize44.0ms

Local error

Found 3 expressions with local error:

25.6b
(sqrt (fma c (* -4 a) (* b b)))
6.2b
(- (/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a) (/ (/ b 2) a))
0.1b
(/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a)

rewrite794.0ms

Algorithm
rewrite-expression-head
Rules
10977×times-frac
6208×add-sqr-sqrt
6186×*-un-lft-identity
6156×add-cube-cbrt
3010×prod-diff
1569×sqrt-prod
1454×associate-/l*
1120×frac-sub
722×associate-/l/
539×div-inv
430×associate-/r*
142×frac-2neg
138×clear-num
70×fma-neg
15×sub-div
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 div-exp insert-posit16 log1p-expm1-u
rem-sqrt-square sub-neg sqrt-pow1 flip3-- pow1/2 diff-log flip--
Calls
3 calls:
Slowest
86.0ms
(- (/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a) (/ (/ b 2) a))
16.0ms
(/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a)
2.0ms
(sqrt (fma c (* -4 a) (* b b)))

series377.0ms

Calls
3 calls:
Slowest
157.0ms
(/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a)
110.0ms
(sqrt (fma c (* -4 a) (* b b)))
109.0ms
(- (/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a) (/ (/ b 2) a))