Details

Time bar (total: 8.1s)

sample278.0ms

Algorithm
intervals
Results
7.0ms39×body2560valid
7.0ms183×body80valid
4.0ms24×body1280valid
3.0ms84×body80nan
2.0ms15×body640valid
1.0ms12×body320valid
1.0msbody5120valid
0.0msbody160valid

simplify26.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
01013
11913
23313
34513
44713
done4713

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.8b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite84.0ms

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-exp-log add-cbrt-cube
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
diff-log associate-/r*
sub-neg sqrt-div associate-/l/
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log clear-num div-inv
Counts
4 → 171
Calls
4 calls:
41.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
3.0ms
(- (* b_2 b_2) (* a c))
25.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
6.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series261.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
32.0ms
(- (* b_2 b_2) (* a c))
70.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
73.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify759.0ms

Counts
183 → 183
Iterations

Useful iterations: 2 (176.0ms)

IterNodesCost
02425993
15664363
217123549
done50013549

prune392.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.3b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
0.8b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite83.0ms

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×add-exp-log associate-*r*
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
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp associate-*r/ pow-prod-down neg-log un-div-inv *-commutative div-inv
Counts
4 → 169
Calls
4 calls:
53.0ms
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
3.0ms
(- (* b_2 b_2) (* a c))
16.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
5.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series250.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
32.0ms
(- (* b_2 b_2) (* a c))
70.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
62.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.0s

Counts
181 → 181
Iterations

Useful iterations: 2 (216.0ms)

IterNodesCost
02615917
16314195
221253313
done50003313

prune353.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.3b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
0.8b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
171×add-sqr-sqrt
170×*-un-lft-identity
165×times-frac
118×add-cube-cbrt
61×prod-diff
46×sqrt-prod
34×distribute-rgt-neg-in
27×associate-/r*
26×distribute-lft-out-- difference-of-squares
21×distribute-lft-neg-in
15×add-exp-log
11×fma-neg
10×add-log-exp
associate-/r/ add-cbrt-cube
neg-mul-1 flip3-- div-exp flip--
pow1
div-inv
expm1-log1p-u log1p-expm1-u
cbrt-undiv diff-log associate-/l*
sub-neg rec-exp sqrt-div 1-exp
associate--l- neg-sub0 rem-sqrt-square pow-flip frac-2neg sqrt-pow1 pow1/2 neg-log clear-num inv-pow
Counts
4 → 257
Calls
4 calls:
27.0ms
(/ 1 (/ a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
3.0ms
(- (* b_2 b_2) (* a c))
16.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series262.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(/ 1 (/ a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
32.0ms
(- (* b_2 b_2) (* a c))
71.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
59.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.4s

Counts
269 → 269
Iterations

Useful iterations: 2 (295.0ms)

IterNodesCost
03518660
17966655
227305553
done50015553

prune402.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 5.3b

localize13.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (+ b_2 (sqrt (- (* b_2 b_2) (* a c))))) a)
0.8b
(- (* b_2 b_2) (* a c))
1.0b
(+ b_2 (sqrt (- (* b_2 b_2) (* a c))))
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
36×times-frac
32×add-sqr-sqrt
31×add-cube-cbrt
16×distribute-lft-neg-in distribute-rgt-neg-in
12×associate-/l*
distribute-lft-out
add-log-exp
add-exp-log add-cbrt-cube
pow1
expm1-log1p-u neg-mul-1 log1p-expm1-u
fma-def associate-/r* sqrt-prod
flip3-- flip3-+ sqrt-div flip-- flip-+ associate-/l/ distribute-neg-frac
cbrt-undiv +-commutative neg-sub0 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub distribute-frac-neg div-exp prod-diff clear-num sum-log div-inv
Counts
4 → 119
Calls
4 calls:
42.0ms
(/ (- (+ b_2 (sqrt (- (* b_2 b_2) (* a c))))) a)
3.0ms
(- (* b_2 b_2) (* a c))
7.0ms
(+ b_2 (sqrt (- (* b_2 b_2) (* a c))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series253.0ms

Counts
4 → 12
Calls
4 calls:
84.0ms
(/ (- (+ b_2 (sqrt (- (* b_2 b_2) (* a c))))) a)
33.0ms
(- (* b_2 b_2) (* a c))
72.0ms
(+ b_2 (sqrt (- (* b_2 b_2) (* a c))))
62.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify524.0ms

Counts
131 → 131
Iterations

Useful iterations: done (520.0ms)

IterNodesCost
01972260
14422136
214412031
done50002020

prune322.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 5.3b

regimes159.0ms

Accuracy

82.4% (5.0b remaining)

Error of 10.3b against oracle of 5.3b and baseline of 33.6b

bsearch55.0ms

Steps
ItersRangePoint
9
1.790439840991813e+53
4.6520850645607246e+61
1.3316184968738608e+61
2
-4.223797038045246e-104
-3.7861133082378615e-104
-4.1690865718193236e-104

simplify9.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02535
13831
24731
35431
45631
done5631

end0.0ms

sample972.0ms

Algorithm
intervals
Results
204.0ms1071×body2560valid
190.0ms5863×body80valid
127.0ms830×body1280valid
91.0ms2880×body80nan
57.0ms477×body640valid
26.0ms110×body5120valid
22.0ms244×body320valid
7.0ms116×body160valid