Details

Time bar (total: 4.9s)

sample41.0ms

Algorithm
intervals
Results
7.0ms179×body80valid
7.0ms38×body1280valid
5.0ms24×body2560valid
2.0ms73×body80nan
2.0ms15×body640valid
1.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify13.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0289
1649
21149
31359
41449
51489
61489
done1489

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.3b

localize16.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.8b
(- (* b b) (* 4.0 (* a c)))
1.1b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
22.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt times-frac associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
62.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
8.0ms
(- (* b b) (* 4.0 (* a c)))
22.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
9.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series294.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
45.0ms
(- (* b b) (* 4.0 (* a c)))
79.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
74.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify46.0ms

Counts
89 → 89
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
0404890
11481801
25001796
done5001796

prune235.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 3.8b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
0.8b
(- (* b b) (* 4.0 (* a c)))
1.1b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
22.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
19×add-sqr-sqrt
16×*-un-lft-identity
13×add-cbrt-cube
10×prod-exp add-log-exp
add-cube-cbrt
pow1 associate-*r* associate-*l*
flip3-- sqrt-prod flip--
div-exp cbrt-unprod distribute-lft-out-- difference-of-squares
times-frac diff-log
cbrt-undiv frac-times sub-neg rec-exp distribute-rgt-neg-in sqrt-div 1-exp associate-*l/
associate--l- neg-sub0 rem-sqrt-square sqrt-pow1 pow1/2 associate-*r/ pow-prod-down neg-log un-div-inv *-commutative div-inv unswap-sqr
Counts
4 → 85
Calls
4 calls:
101.0ms
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
10.0ms
(- (* b b) (* 4.0 (* a c)))
22.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
9.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series299.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
46.0ms
(- (* b b) (* 4.0 (* a c)))
80.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
74.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify59.0ms

Counts
97 → 97
Iterations

Useful iterations: 2 (47.0ms)

IterNodesCost
0469991
12048866
25002857
done5002857

prune230.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 3.7b

localize19.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* b b) (* 4.0 (* a c)))
3.0b
(* (/ (+ 0 (* 1 (* 4.0 (* a c)))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (/ 1 (* 2.0 a)))
8.2b
(/ (+ 0 (* 1 (* 4.0 (* a c)))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
22.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite221.0ms

Algorithm
rewrite-expression-head
Rules
72×add-sqr-sqrt
61×*-un-lft-identity
52×times-frac
51×add-exp-log
30×add-cube-cbrt associate-*l*
27×add-cbrt-cube
20×prod-exp
18×difference-of-squares
16×div-exp
13×distribute-lft-out
12×sqrt-prod
distribute-lft-out--
cbrt-undiv cbrt-unprod
pow1 associate-*r*
associate-/r* add-log-exp
rec-exp flip3-- 1-exp associate-/r/ flip-- associate-/l*
div-inv
sqrt-div associate-/l/ unswap-sqr
frac-times sub-neg rem-sqrt-square frac-2neg sqrt-pow1 flip3-+ pow1/2 diff-log associate-*r/ pow-prod-down associate-*l/ clear-num un-div-inv *-commutative flip-+
Counts
4 → 149
Calls
4 calls:
9.0ms
(- (* b b) (* 4.0 (* a c)))
132.0ms
(* (/ (+ 0 (* 1 (* 4.0 (* a c)))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (/ 1 (* 2.0 a)))
65.0ms
(/ (+ 0 (* 1 (* 4.0 (* a c)))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
9.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series507.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(- (* b b) (* 4.0 (* a c)))
173.0ms
(* (/ (+ 0 (* 1 (* 4.0 (* a c)))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (/ 1 (* 2.0 a)))
210.0ms
(/ (+ 0 (* 1 (* 4.0 (* a c)))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
76.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify115.0ms

Counts
161 → 161
Iterations

Useful iterations: 2 (97.0ms)

IterNodesCost
07602359
137422008
250011985
done50011985

prune379.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.7b

localize12.0ms

Local error

Found 4 expressions with local error:

0.7b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
0.8b
(- (* b b) (* 4.0 (* a c)))
11.2b
(/ (* 4.0 (* a c)) (* 2.0 a))
22.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
25×add-exp-log add-cbrt-cube
10×add-sqr-sqrt
prod-exp cbrt-unprod
add-log-exp
*-un-lft-identity
cbrt-undiv div-exp
pow1 add-cube-cbrt
sqrt-prod
flip3-- flip--
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square frac-2neg sqrt-pow1 times-frac pow1/2 clear-num associate-/r* div-inv associate-/l* distribute-lft-out--
Counts
4 → 67
Calls
4 calls:
40.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
8.0ms
(- (* b b) (* 4.0 (* a c)))
22.0ms
(/ (* 4.0 (* a c)) (* 2.0 a))
11.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series211.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
46.0ms
(- (* b b) (* 4.0 (* a c)))
11.0ms
(/ (* 4.0 (* a c)) (* 2.0 a))
73.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify55.0ms

Counts
79 → 79
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0403577
12221498
25001498
done5001498

prune163.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.7b

regimes211.0ms

Accuracy

96.1% (0.9b remaining)

Error of 6.5b against oracle of 5.6b and baseline of 29.8b

bsearch188.0ms

Steps
ItersRangePoint
9
1.4800420954007604e+99
2.6367850541344314e+108
3.631578693473388e+102
10
1.0693689171863556e-172
3.0813629188746354e-157
1.0856062432929024e-172
10
-6.90058054258779e+154
-1.4735496756669211e+144
-1.4267509350112253e+149

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04131
14131
done4131

end0.0ms

sample1.2s

Algorithm
intervals
Results
235.0ms1023×body2560valid
220.0ms5918×body80valid
164.0ms896×body1280valid
102.0ms2904×body80nan
67.0ms451×body640valid
33.0ms117×body5120valid
25.0ms234×body320valid
9.0ms129×body160valid