Details

Time bar (total: 20.1s)

sample122.0ms

Algorithm
intervals
Results
31.0ms35×body2560valid
29.0ms194×body80valid
20.0ms28×body1280valid
11.0ms79×body80nan
6.0ms11×body640valid
5.0msbody5120valid
2.0msbody320valid
1.0msbody160valid

simplify159.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
159.0ms
(/ (+ (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))

prune20.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.5b

localize25.0ms

Local error

Found 4 expressions with local error:

22.3b
(sqrt (fma b b (* (* a c) -4)))
1.0b
(fma b b (* (* a c) -4))
1.0b
(- (sqrt (fma b b (* (* a c) -4))) b)
0.1b
(/ (/ (- (sqrt (fma b b (* (* a c) -4))) b) 2) a)

rewrite47.0ms

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
34.0ms
(/ (/ (- (sqrt (fma b b (* (* a c) -4))) b) 2) a)
8.0ms
(- (sqrt (fma b b (* (* a c) -4))) b)
1.0ms
(sqrt (fma b b (* (* a c) -4)))
0.0ms
(fma b b (* (* a c) -4))

series470.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
170.0ms
(/ (/ (- (sqrt (fma b b (* (* a c) -4))) b) 2) a)
112.0ms
(- (sqrt (fma b b (* (* a c) -4))) b)
112.0ms
(sqrt (fma b b (* (* a c) -4)))
75.0ms
(fma b b (* (* a c) -4))

simplify15.4s

Counts
225 → 191
Calls
225 calls:
Slowest
371.0ms
(/ (/ (* (cbrt (- (sqrt (fma b b (* (* a c) -4))) b)) (cbrt (- (sqrt (fma b b (* (* a c) -4))) b))) (* (cbrt 2) (cbrt 2))) (* (cbrt a) (cbrt a)))
235.0ms
(- b (* 2 (/ (* a c) b)))
229.0ms
(/ (/ (* (cbrt (- (sqrt (fma b b (* (* a c) -4))) b)) (cbrt (- (sqrt (fma b b (* (* a c) -4))) b))) (sqrt 2)) (* (cbrt a) (cbrt a)))
198.0ms
(/ (/ (* (cbrt (- (sqrt (fma b b (* (* a c) -4))) b)) (cbrt (- (sqrt (fma b b (* (* a c) -4))) b))) (* (cbrt 2) (cbrt 2))) (sqrt a))
191.0ms
(/ (/ (* (* (- (sqrt (fma b b (* (* a c) -4))) b) (- (sqrt (fma b b (* (* a c) -4))) b)) (- (sqrt (fma b b (* (* a c) -4))) b)) (* (* 2 2) 2)) (* (* a a) a))

prune2.4s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 6.6b

localize33.0ms

Local error

Found 4 expressions with local error:

22.3b
(sqrt (fma b b (* (* a c) -4)))
5.6b
(- (/ (/ (sqrt (fma b b (* (* a c) -4))) 2) a) (/ (/ b 2) a))
1.0b
(fma b b (* (* a c) -4))
0.1b
(/ (/ (sqrt (fma b b (* (* a c) -4))) 2) a)

rewrite366.0ms

Algorithm
rewrite-expression-head
Rules
10113×times-frac
5326×add-sqr-sqrt
5300×*-un-lft-identity
5274×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
expm1-log1p-u distribute-rgt-out-- insert-posit16 log1p-expm1-u
cbrt-undiv associate-/r* div-exp
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 diff-log frac-sub fma-udef flip-- sub-div associate-/l/
Counts
4 → 3262
Calls
4 calls:
Slowest
76.0ms
(- (/ (/ (sqrt (fma b b (* (* a c) -4))) 2) a) (/ (/ b 2) a))
17.0ms
(/ (/ (sqrt (fma b b (* (* a c) -4))) 2) a)
3.0ms
(sqrt (fma b b (* (* a c) -4)))
0.0ms
(fma b b (* (* a c) -4))

series1.0s

Counts
4 → 12
Calls
4 calls:
Slowest
599.0ms
(- (/ (/ (sqrt (fma b b (* (* a c) -4))) 2) a) (/ (/ b 2) a))
195.0ms
(/ (/ (sqrt (fma b b (* (* a c) -4))) 2) a)
140.0ms
(sqrt (fma b b (* (* a c) -4)))
88.0ms
(fma b b (* (* a c) -4))