Details

Time bar (total: 33.0s)

sample131.0ms

Algorithm
intervals
Results
28.0ms30×body2560valid
26.0ms193×body80valid
23.0ms31×body1280valid
13.0ms91×body80nan
9.0ms14×body640valid
5.0ms10×body320valid
4.0msbody5120valid
0.0msbody160valid

simplify174.0ms

Counts
1 → 1
Iterations
IterNodes
8142
7142
6140
5135
4130
3110
263
129
014

prune13.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 31.1b

localize40.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
0.3b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.4b
(- (* b b) (* 4 (* a c)))
22.7b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite127.0ms

Algorithm
rewrite-expression-head
Rules
61×add-sqr-sqrt prod-diff
60×*-un-lft-identity
48×add-cube-cbrt
36×sqrt-prod
24×distribute-rgt-neg-in
21×distribute-lft-neg-in
11×fma-neg
10×add-log-exp
add-cbrt-cube add-exp-log
neg-mul-1 times-frac associate-/l*
distribute-lft-out-- difference-of-squares
pow1
expm1-log1p-u flip3-- insert-posit16 log1p-expm1-u flip--
diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 161
Calls
4 calls:
68.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
34.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
13.0ms
(- (* b b) (* 4 (* a c)))
9.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series411.0ms

Counts
4 → 12
Calls
4 calls:
126.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
101.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
75.0ms
(- (* b b) (* 4 (* a c)))
109.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify4.8s

Counts
173 → 173
Iterations
IterNodes
36465
21699
1595
0239

prune2.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.1b

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
0.3b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.4b
(- (* b b) (* 4 (* a c)))
22.7b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite152.0ms

Algorithm
rewrite-expression-head
Rules
68×add-sqr-sqrt
62×*-un-lft-identity
61×prod-diff
54×add-cube-cbrt
35×sqrt-prod
23×distribute-rgt-neg-in
21×distribute-lft-neg-in
13×associate-*r*
11×fma-neg
10×times-frac add-log-exp
add-cbrt-cube add-exp-log
pow1 neg-mul-1 associate-*l*
flip3-- flip--
expm1-log1p-u insert-posit16 log1p-expm1-u distribute-lft-out-- difference-of-squares
diff-log
frac-times sub-neg sqrt-div associate-*l/ prod-exp cbrt-unprod unswap-sqr
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square sqrt-pow1 pow1/2 div-exp pow-prod-down neg-log associate-*r/ *-commutative div-inv
Counts
4 → 169
Calls
4 calls:
80.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
38.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
15.0ms
(- (* b b) (* 4 (* a c)))
15.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series390.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
118.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
59.0ms
(- (* b b) (* 4 (* a c)))
98.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify3.0s

Counts
181 → 181
Iterations
IterNodes
36100
21805
1643
0262

prune2.4s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 6.1b

localize23.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (* (- (- b) (sqrt (fma (* a c) -4 (* b b)))) 1/2) a)
0.3b
(- (- b) (sqrt (fma (* a c) -4 (* b b))))
1.4b
(fma (* a c) -4 (* b b))
22.7b
(sqrt (fma (* a c) -4 (* b b)))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
60×prod-diff
53×add-sqr-sqrt
52×*-un-lft-identity
48×add-cube-cbrt
34×sqrt-prod
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
10×fma-neg
add-cbrt-cube add-exp-log
add-log-exp
neg-mul-1
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r* times-frac
cbrt-undiv flip3-- diff-log div-exp associate-*l/ flip-- distribute-lft-out-- difference-of-squares associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 neg-log prod-exp cbrt-unprod fma-udef div-inv associate-/l*
Counts
4 → 144
Calls
4 calls:
28.0ms
(/ (* (- (- b) (sqrt (fma (* a c) -4 (* b b)))) 1/2) a)
10.0ms
(- (- b) (sqrt (fma (* a c) -4 (* b b))))
0.0ms
(fma (* a c) -4 (* b b))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series513.0ms

Counts
4 → 12
Calls
4 calls:
140.0ms
(/ (* (- (- b) (sqrt (fma (* a c) -4 (* b b)))) 1/2) a)
146.0ms
(- (- b) (sqrt (fma (* a c) -4 (* b b))))
94.0ms
(fma (* a c) -4 (* b b))
133.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify2.1s

Counts
156 → 156
Iterations
IterNodes
34148
21281
1504
0213

prune2.2s

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 6.1b

localize45.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (* (- (- b) (sqrt (fma (* a c) -4 (* b b)))) 1/2)))
0.3b
(- (- b) (sqrt (fma (* a c) -4 (* b b))))
1.4b
(fma (* a c) -4 (* b b))
22.7b
(sqrt (fma (* a c) -4 (* b b)))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
69×add-sqr-sqrt
68×*-un-lft-identity
64×add-cube-cbrt
60×prod-diff
39×times-frac
34×sqrt-prod
25×add-exp-log
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
13×add-cbrt-cube
12×div-exp
10×fma-neg
associate-/r* associate-/r/
associate-*l/ add-log-exp
neg-mul-1
pow1
cbrt-undiv flip3-- div-inv flip--
expm1-log1p-u insert-posit16 log1p-expm1-u
rec-exp 1-exp prod-exp associate-/l*
diff-log distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 neg-log cbrt-unprod fma-udef pow-flip inv-pow
Counts
4 → 185
Calls
4 calls:
41.0ms
(/ 1 (/ a (* (- (- b) (sqrt (fma (* a c) -4 (* b b)))) 1/2)))
12.0ms
(- (- b) (sqrt (fma (* a c) -4 (* b b))))
0.0ms
(fma (* a c) -4 (* b b))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series474.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(/ 1 (/ a (* (- (- b) (sqrt (fma (* a c) -4 (* b b)))) 1/2)))
103.0ms
(- (- b) (sqrt (fma (* a c) -4 (* b b))))
95.0ms
(fma (* a c) -4 (* b b))
128.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify5.4s

Counts
197 → 197
Iterations
IterNodes
35405
21760
1646
0285

prune3.0s

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 6.1b

regimes458.0ms

Accuracy

82.4% (4.9b remaining)

Error of 10.4b against oracle of 5.5b and baseline of 33.3b

bsearch206.0ms

Steps
ItersRangePoint
7
1.3534154308951418e+51
2.3844270322569095e+52
2.3648644896474148e+52
9
-5.573104320306828e-19
-3.9027827987942555e-24
-4.179137486378021e-24

simplify6.0ms

Iterations
IterNodes
227
127
023

end0.0ms

sample4.7s

Algorithm
intervals
Results
1.6s1013×body2560valid
995.0ms5885×body80valid
742.0ms909×body1280valid
369.0ms2878×body80nan
309.0ms440×body640valid
245.0ms122×body5120valid
100.0ms242×body320valid
30.0ms112×body160valid