Details

Time bar (total: 20.9s)

sample139.0ms

Algorithm
intervals
Results
89.0ms280×body80valid
19.0ms93×body80nan

simplify292.0ms

Counts
1 → 1

prune26.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 19.6b

localize131.0ms

Local error

Found 4 expressions with local error:

23.1b
(sqrt (fma -4 (* c a) (* b b)))
23.1b
(sqrt (fma -4 (* c a) (* b b)))
1.0b
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
1.0b
(fma -4 (* c a) (* b b))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
60×prod-diff
53×add-sqr-sqrt
51×*-un-lft-identity
47×add-cube-cbrt
37×sqrt-prod
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
10×fma-neg
add-log-exp
neg-mul-1
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
rem-sqrt-square sqrt-pow1 pow1/2 diff-log distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 sub-neg flip3-- neg-log fma-udef flip--
Counts
4 → 134
Calls
4 calls:
Slowest
11.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
3.0ms
(sqrt (fma -4 (* c a) (* b b)))
1.0ms
(sqrt (fma -4 (* c a) (* b b)))
0.0ms
(fma -4 (* c a) (* b b))

series432.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
133.0ms
(sqrt (fma -4 (* c a) (* b b)))
110.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
99.0ms
(sqrt (fma -4 (* c a) (* b b)))
90.0ms
(fma -4 (* c a) (* b b))

simplify992.0ms

Counts
146 → 146

prune2.4s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 12.2b

localize161.0ms

Local error

Found 4 expressions with local error:

23.1b
(sqrt (fma -4 (* c a) (* b b)))
23.1b
(sqrt (fma -4 (* c a) (* b b)))
23.1b
(sqrt (fma -4 (* c a) (* b b)))
10.8b
(- (* (sqrt (sqrt (fma -4 (* c a) (* b b)))) (sqrt (sqrt (fma -4 (* c a) (* b b))))) b)

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
sqrt-prod
*-un-lft-identity add-cube-cbrt
pow1
add-log-exp
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
rem-sqrt-square sqrt-pow1 pow1/2 prod-diff
sub-neg flip3-- fma-neg diff-log flip-- difference-of-squares
Counts
4 → 68
Calls
4 calls:
Slowest
15.0ms
(- (* (sqrt (sqrt (fma -4 (* c a) (* b b)))) (sqrt (sqrt (fma -4 (* c a) (* b b))))) b)
1.0ms
(sqrt (fma -4 (* c a) (* b b)))
1.0ms
(sqrt (fma -4 (* c a) (* b b)))
1.0ms
(sqrt (fma -4 (* c a) (* b b)))

series428.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
127.0ms
(- (* (sqrt (sqrt (fma -4 (* c a) (* b b)))) (sqrt (sqrt (fma -4 (* c a) (* b b))))) b)
107.0ms
(sqrt (fma -4 (* c a) (* b b)))
102.0ms
(sqrt (fma -4 (* c a) (* b b)))
91.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify3.0s

Counts
80 → 80

prune1.5s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 12.1b

localize202.0ms

Local error

Found 4 expressions with local error:

23.8b
(cbrt (fma -4 (* c a) (* b b)))
23.8b
(cbrt (fma -4 (* c a) (* b b)))
23.8b
(cbrt (fma -4 (* c a) (* b b)))
23.1b
(sqrt (fma -4 (* c a) (* b b)))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3 sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
Slowest
1.0ms
(sqrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))

series923.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
306.0ms
(cbrt (fma -4 (* c a) (* b b)))
264.0ms
(cbrt (fma -4 (* c a) (* b b)))
251.0ms
(cbrt (fma -4 (* c a) (* b b)))
102.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify1.2s

Counts
70 → 70

prune1.6s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 12.1b

localize225.0ms

Local error

Found 4 expressions with local error:

23.8b
(cbrt (fma -4 (* c a) (* b b)))
23.8b
(cbrt (fma -4 (* c a) (* b b)))
23.8b
(cbrt (fma -4 (* c a) (* b b)))
23.1b
(sqrt (fma -4 (* c a) (* b b)))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3 sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
Slowest
1.0ms
(sqrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))

series870.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
285.0ms
(cbrt (fma -4 (* c a) (* b b)))
252.0ms
(cbrt (fma -4 (* c a) (* b b)))
196.0ms
(cbrt (fma -4 (* c a) (* b b)))
137.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify1.1s

Counts
70 → 70

prune1.5s

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 12.1b

regimes419.0ms

Accuracy

90.7% (0.7b remaining)

Error of 13.1b against oracle of 12.4b and baseline of 19.7b

bsearch102.0ms

end0.0ms

sample3.3s

Algorithm
intervals
Results
2.3s8746×body80valid
549.0ms2933×body80nan