Details

Time bar (total: 21.7s)

sample78.0ms

Algorithm
intervals
Results
47.0ms284×body80valid
13.0ms87×body80nan

simplify227.0ms

Calls
1 calls:
Slowest
227.0ms
(if (>= b 0) (/ (- (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a)) (/ (* 2 c) (+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))))

prune25.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.9b

localize162.0ms

Local error

Found 4 expressions with local error:

20.3b
(sqrt (fma (* -4 a) c (* b b)))
20.3b
(sqrt (fma (* -4 a) c (* b b)))
1.1b
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
0.5b
(- (sqrt (fma (* -4 a) c (* b b))) b)

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
25×*-un-lft-identity
24×prod-diff
23×add-cube-cbrt
22×sqrt-prod
10×fma-neg
neg-mul-1
add-log-exp
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
rem-sqrt-square sub-neg flip3-- pow1/2 flip-- difference-of-squares
associate--l- neg-sub0 diff-log distribute-lft-out--
Calls
4 calls:
Slowest
13.0ms
(- (sqrt (fma (* -4 a) c (* b b))) b)
12.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
2.0ms
(sqrt (fma (* -4 a) c (* b b)))
2.0ms
(sqrt (fma (* -4 a) c (* b b)))

series243.0ms

Calls
4 calls:
Slowest
70.0ms
(sqrt (fma (* -4 a) c (* b b)))
61.0ms
(- (sqrt (fma (* -4 a) c (* b b))) b)
57.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
54.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify5.3s

Calls
81 calls:
Slowest
173.0ms
(- (* 2 (/ (* a c) b)) (* 2 b))
132.0ms
(fma 1 (- b) (- (* (cbrt (sqrt (fma (* -4 a) c (* b b)))) (* (cbrt (sqrt (fma (* -4 a) c (* b b)))) (cbrt (sqrt (fma (* -4 a) c (* b b))))))))
130.0ms
(fma (* (cbrt (- b)) (cbrt (- b))) (cbrt (- b)) (- (* (sqrt (cbrt (fma (* -4 a) c (* b b)))) (sqrt (* (cbrt (fma (* -4 a) c (* b b))) (cbrt (fma (* -4 a) c (* b b))))))))
125.0ms
(fma 1 (- b) (- (* (sqrt (cbrt (fma (* -4 a) c (* b b)))) (sqrt (* (cbrt (fma (* -4 a) c (* b b))) (cbrt (fma (* -4 a) c (* b b))))))))
119.0ms
(fma (sqrt (- b)) (sqrt (- b)) (- (* (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b)))))))

prune1.6s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 11.8b

localize142.0ms

Local error

Found 4 expressions with local error:

20.3b
(sqrt (fma (* -4 a) c (* b b)))
20.3b
(sqrt (fma (* -4 a) c (* b b)))
20.3b
(sqrt (fma (* -4 a) c (* b b)))
12.4b
(fma (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b)))) (- b))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
*-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square pow1/2
fma-udef
Calls
4 calls:
Slowest
1.0ms
(sqrt (fma (* -4 a) c (* b b)))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))
0.0ms
(fma (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b)))) (- b))

series395.0ms

Calls
4 calls:
Slowest
247.0ms
(fma (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b)))) (- b))
59.0ms
(sqrt (fma (* -4 a) c (* b b)))
45.0ms
(sqrt (fma (* -4 a) c (* b b)))
44.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify988.0ms

Calls
24 calls:
Slowest
346.0ms
(- (pow (exp (* 1/4 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c)))))) 2) b)
278.0ms
(- (pow (exp (* 1/4 (- (log -4) (+ (log (/ -1 c)) (log (/ -1 a)))))) 2) b)
55.0ms
(sqrt (sqrt (fma (* -4 a) c (* b b))))
48.0ms
(sqrt (sqrt (fma (* -4 a) c (* b b))))
42.0ms
(sqrt (sqrt (fma (* -4 a) c (* b b))))

prune1.2s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 11.5b

localize121.0ms

Local error

Found 4 expressions with local error:

20.3b
(sqrt (fma (* -4 a) c (* b b)))
20.3b
(sqrt (fma (* -4 a) c (* b b)))
20.3b
(sqrt (fma (* -4 a) c (* b b)))
15.9b
(- (- b) (* (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b))))))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt sqrt-prod
add-log-exp
expm1-log1p-u pow1 add-cbrt-cube fma-neg prod-diff add-exp-log insert-posit16 log1p-expm1-u
rem-sqrt-square pow1/2
neg-mul-1
associate--l- neg-sub0 sub-neg flip3-- diff-log flip-- difference-of-squares
Calls
4 calls:
Slowest
5.0ms
(- (- b) (* (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b))))))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))

series195.0ms

Calls
4 calls:
Slowest
54.0ms
(- (- b) (* (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b))))))
51.0ms
(sqrt (fma (* -4 a) c (* b b)))
47.0ms
(sqrt (fma (* -4 a) c (* b b)))
43.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify1.4s

Calls
37 calls:
Slowest
121.0ms
(fma (sqrt (- b)) (sqrt (- b)) (- (* (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b)))))))
113.0ms
(- (* 2 (/ (* a c) b)) (* 2 b))
95.0ms
(* -2 (/ (* a c) b))
94.0ms
(/ (exp (- b)) (exp (* (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b)))))))
91.0ms
(fma 1 (- b) (- (* (sqrt (sqrt (fma (* -4 a) c (* b b)))) (sqrt (sqrt (fma (* -4 a) c (* b b)))))))

prune1.5s

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 11.5b

localize118.0ms

Local error

Found 4 expressions with local error:

21.0b
(cbrt (fma (* -4 a) c (* b b)))
21.0b
(cbrt (fma (* -4 a) c (* b b)))
21.0b
(cbrt (fma (* -4 a) c (* b b)))
20.3b
(sqrt (fma (* -4 a) c (* b b)))

rewrite4.0ms

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

series613.0ms

Calls
4 calls:
Slowest
207.0ms
(cbrt (fma (* -4 a) c (* b b)))
173.0ms
(cbrt (fma (* -4 a) c (* b b)))
164.0ms
(cbrt (fma (* -4 a) c (* b b)))
69.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify2.8s

Calls
25 calls:
Slowest
373.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))
333.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))
308.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))
284.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))
266.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))

prune1.4s

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 11.5b

regimes313.0ms

Accuracy

86.6% (1.0b remaining)

Error of 12.9b against oracle of 11.9b and baseline of 19.2b

bsearch149.0ms

end0.0ms

sample2.7s

Algorithm
intervals
Results
2.0s8688×body80valid
482.0ms3016×body80nan