Details

Time bar (total: 21.1s)

sample78.0ms

Algorithm
intervals
Results
15.0ms36×body2560valid
14.0ms189×body80valid
10.0ms25×body1280valid
7.0ms104×body80nan
5.0ms16×body640valid
1.0msbody320valid
1.0msbody5120valid
0.0msbody160valid

simplify63.0ms

Counts
1 → 1
Iterations
IterNodes
done49
449
346
233
119
010

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.6b

localize36.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.7b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
0.8b
(- (* b_2 b_2) (* a c))
26.2b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite218.0ms

Algorithm
rewrite-expression-head
Rules
79×add-sqr-sqrt
78×*-un-lft-identity
61×prod-diff
58×add-cube-cbrt
38×sqrt-prod
26×distribute-rgt-neg-in
21×distribute-lft-neg-in times-frac
11×fma-neg
10×distribute-lft-out-- add-log-exp difference-of-squares
neg-mul-1 associate-/l*
add-cbrt-cube add-exp-log
pow1
expm1-log1p-u flip3-- log1p-expm1-u flip--
associate-/r* diff-log
sub-neg sqrt-div associate-/l/
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log div-inv
Counts
4 → 171
Calls
4 calls:
119.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
56.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
12.0ms
(- (* b_2 b_2) (* a c))
19.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series370.0ms

Counts
4 → 12
Calls
4 calls:
119.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
106.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
60.0ms
(- (* b_2 b_2) (* a c))
85.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.1s

Counts
183 → 183
Iterations
IterNodes
done5000
22149
1583
0244

prune912.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 7.5b

localize43.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* b_2 b_2) (* a c))
2.8b
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
11.9b
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
26.2b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite210.0ms

Algorithm
rewrite-expression-head
Rules
162×times-frac
146×add-sqr-sqrt
113×*-un-lft-identity
81×add-cube-cbrt
32×difference-of-squares
27×associate-/l*
19×sqrt-prod
16×distribute-lft-out--
11×add-cbrt-cube add-exp-log
10×associate-/r/
associate-/r*
flip3-- flip--
div-inv add-log-exp
pow1
expm1-log1p-u cbrt-undiv div-exp log1p-expm1-u
associate-/l/
clear-num frac-2neg sqrt-div
rem-sqrt-square sub-neg sqrt-pow1 flip3-+ pow1/2 fma-neg diff-log prod-diff flip-+
Counts
4 → 194
Calls
4 calls:
7.0ms
(- (* b_2 b_2) (* a c))
123.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
64.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
9.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series653.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(- (* b_2 b_2) (* a c))
231.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
264.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
110.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.5s

Counts
206 → 206
Iterations
IterNodes
done5000
24614
1804
0315

prune1.3s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 7.4b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
0.7b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
0.8b
(- (* b_2 b_2) (* a c))
26.2b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite174.0ms

Algorithm
rewrite-expression-head
Rules
70×add-sqr-sqrt
63×*-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* add-exp-log
11×times-frac fma-neg
10×add-log-exp
add-cbrt-cube
pow1 neg-mul-1 associate-*l*
flip3-- flip--
expm1-log1p-u prod-exp log1p-expm1-u distribute-lft-out-- difference-of-squares
diff-log unswap-sqr
frac-times sub-neg sqrt-div div-exp associate-*l/ cbrt-unprod
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp pow-prod-down neg-log associate-*r/ un-div-inv *-commutative div-inv
Counts
4 → 169
Calls
4 calls:
111.0ms
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
39.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
7.0ms
(- (* b_2 b_2) (* a c))
9.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series412.0ms

Counts
4 → 12
Calls
4 calls:
121.0ms
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
126.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
61.0ms
(- (* b_2 b_2) (* a c))
103.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify4.4s

Counts
181 → 181
Iterations
IterNodes
done5001
23576
1652
0263

prune899.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 7.4b

localize38.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.7b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
0.8b
(- (* b_2 b_2) (* a c))
26.2b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite166.0ms

Algorithm
rewrite-expression-head
Rules
79×add-sqr-sqrt
78×*-un-lft-identity
61×prod-diff
58×add-cube-cbrt
38×sqrt-prod
26×distribute-rgt-neg-in
21×distribute-lft-neg-in times-frac
11×fma-neg
10×distribute-lft-out-- add-log-exp difference-of-squares
neg-mul-1 associate-/l*
add-cbrt-cube add-exp-log
pow1
expm1-log1p-u flip3-- log1p-expm1-u flip--
associate-/r* diff-log
sub-neg sqrt-div associate-/l/
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log div-inv
Counts
4 → 171
Calls
4 calls:
92.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
41.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
12.0ms
(- (* b_2 b_2) (* a c))
15.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series375.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
106.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
59.0ms
(- (* b_2 b_2) (* a c))
89.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.2s

Counts
183 → 183
Iterations
IterNodes
done5000
22149
1583
0244

prune770.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 7.4b

regimes613.0ms

Accuracy

86.1% (4.0b remaining)

Error of 9.6b against oracle of 5.6b and baseline of 34.4b

bsearch165.0ms

Steps
ItersRangePoint
6
5.84949006905106e+100
6.027833473435204e+101
5.878879592304488e+101
6
-3.94223749317518e-93
-9.247487777844521e-94
-1.2208633566514056e-93
6
-3.687013704912239e+33
-6.257941608560553e+32
-2.7267558266977494e+33

simplify13.0ms

Iterations
IterNodes
done41
141
035

end0.0ms

sample2.3s

Algorithm
intervals
Results
510.0ms1063×body2560valid
470.0ms2885×body80nan
447.0ms5821×body80valid
273.0ms950×body1280valid
143.0ms475×body640valid
75.0ms239×body320valid
50.0ms116×body5120valid
11.0ms105×body160valid