Details

Time bar (total: 17.9s)

sample98.0ms

Algorithm
intervals
Results
51.0ms273×body80valid
11.0ms76×body80nan

simplify204.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
02038
13638
26637
312237
415437
516637
616837
done16837

prune16.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 22.0b

localize177.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
0.7b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
25.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))
25.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite176.0ms

Algorithm
rewrite-expression-head
Rules
78×prod-diff
71×add-sqr-sqrt
67×*-un-lft-identity
61×add-cube-cbrt
50×sqrt-prod
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
16×fma-neg
10×add-log-exp
neg-mul-1
pow1
add-exp-log expm1-log1p-u flip3-- sqrt-div add-cbrt-cube flip-- log1p-expm1-u difference-of-squares
diff-log distribute-lft-out--
sub-neg rem-sqrt-square sqrt-pow1 pow1/2
associate--l- neg-sub0 neg-log
Counts
4 → 165
Calls
4 calls:
54.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
62.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
24.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
27.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series422.0ms

Counts
4 → 12
Calls
4 calls:
130.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
98.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
77.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
117.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.9s

Counts
177 → 177
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02086992
14584570
212273570
done50012949

prune581.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 7.2b

localize118.0ms

Local error

Found 4 expressions with local error:

0.7b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
3.1b
(/ (/ (fma (/ (* a c) b) 2.0 (* -2 b)) 2.0) a)
6.5b
(/ (* a c) b)
25.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
95×add-sqr-sqrt
94×*-un-lft-identity
90×add-cube-cbrt
78×times-frac
60×prod-diff
34×sqrt-prod
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
14×add-exp-log add-cbrt-cube associate-/l*
10×fma-neg
add-log-exp
neg-mul-1
associate-/r* div-inv
pow1 cbrt-undiv div-exp
expm1-log1p-u log1p-expm1-u
flip3-- frac-2neg sqrt-div diff-log clear-num flip-- distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 pow1/2 neg-log prod-exp cbrt-unprod associate-/l/
Counts
4 → 202
Calls
4 calls:
61.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
32.0ms
(/ (/ (fma (/ (* a c) b) 2.0 (* -2 b)) 2.0) a)
17.0ms
(/ (* a c) b)
12.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series402.0ms

Counts
4 → 12
Calls
4 calls:
124.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
135.0ms
(/ (/ (fma (/ (* a c) b) 2.0 (* -2 b)) 2.0) a)
23.0ms
(/ (* a c) b)
120.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.6s

Counts
214 → 214
Iterations

Useful iterations: done (1.6s)

IterNodesCost
03557662
18025645
222094723
done50014083

prune1.2s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 6.6b

localize143.0ms

Local error

Found 3 expressions with local error:

0.3b
(/ (* 2.0 c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
0.7b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
25.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite197.0ms

Algorithm
rewrite-expression-head
Rules
60×add-sqr-sqrt prod-diff
59×*-un-lft-identity
47×add-cube-cbrt
36×sqrt-prod
24×distribute-rgt-neg-in
21×distribute-lft-neg-in
10×fma-neg
add-exp-log add-cbrt-cube
neg-mul-1 times-frac associate-/r* add-log-exp
distribute-lft-out-- difference-of-squares
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
cbrt-undiv sqrt-div diff-log div-exp associate-/r/
associate--l- neg-sub0 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 neg-log prod-exp clear-num cbrt-unprod div-inv associate-/l*
Counts
3 → 140
Calls
3 calls:
90.0ms
(/ (* 2.0 c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
71.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
24.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series484.0ms

Counts
3 → 9
Calls
3 calls:
263.0ms
(/ (* 2.0 c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
120.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
101.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.5s

Counts
149 → 149
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02186367
15154384
215263474
done50002823

prune615.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.4b

localize162.0ms

Local error

Found 4 expressions with local error:

0.7b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
1.7b
(* (/ a (* (cbrt b) (cbrt b))) (/ c (cbrt b)))
3.1b
(/ (/ (fma (* (/ a (* (cbrt b) (cbrt b))) (/ c (cbrt b))) 2.0 (* -2 b)) 2.0) a)
25.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite163.0ms

Algorithm
rewrite-expression-head
Rules
124×add-sqr-sqrt
107×*-un-lft-identity
103×add-cube-cbrt times-frac
60×prod-diff
34×sqrt-prod
30×add-exp-log
23×add-cbrt-cube
22×distribute-rgt-neg-in associate-*r*
21×distribute-lft-neg-in
13×associate-/l*
11×cbrt-prod
10×cbrt-undiv fma-neg div-exp
prod-exp cbrt-unprod add-log-exp
pow1 neg-mul-1 associate-*l* div-inv
unswap-sqr
expm1-log1p-u log1p-expm1-u
associate-/r*
flip3-- sqrt-div diff-log flip-- distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 frac-times sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 associate-*r/ pow-prod-down neg-log associate-*l/ clear-num *-commutative associate-/l/
Counts
4 → 240
Calls
4 calls:
31.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
72.0ms
(* (/ a (* (cbrt b) (cbrt b))) (/ c (cbrt b)))
23.0ms
(/ (/ (fma (* (/ a (* (cbrt b) (cbrt b))) (/ c (cbrt b))) 2.0 (* -2 b)) 2.0) a)
22.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series452.0ms

Counts
4 → 12
Calls
4 calls:
112.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
60.0ms
(* (/ a (* (cbrt b) (cbrt b))) (/ c (cbrt b)))
159.0ms
(/ (/ (fma (* (/ a (* (cbrt b) (cbrt b))) (/ c (cbrt b))) 2.0 (* -2 b)) 2.0) a)
122.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.8s

Counts
252 → 252
Iterations

Useful iterations: done (2.8s)

IterNodesCost
04359292
110737240
233485628
done50004542

prune1.4s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 6.1b

regimes401.0ms

Accuracy

90% (1.5b remaining)

Error of 7.7b against oracle of 6.2b and baseline of 20.8b

bsearch212.0ms

Steps
ItersRangePoint
5
1.0433798175544735e+152
3.237299440315181e+152
1.1155337065557208e+152
8
-1.173014798652874e+100
-8.67642318333193e+96
-1.1553711424735541e+100

simplify12.0ms

Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
050132
161130
done61130

end0.0ms

sample2.1s

Algorithm
intervals
Results
1.1s8717×body80valid
417.0ms2914×body80nan