Details

Time bar (total: 10.7s)

sample288.0ms

Algorithm
intervals
Results
8.0ms40×body2560valid
8.0ms187×body80valid
4.0ms23×body1280valid
3.0ms86×body80nan
2.0ms16×body640valid
1.0msbody320valid
0.0msbody5120valid
0.0msbody160valid

simplify24.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (10.0ms)

IterNodesCost
01013
11413
22212
32512
42712
52912
done2912

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.1b

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))
1.3b
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
35×*-un-lft-identity
16×add-sqr-sqrt
15×add-cube-cbrt times-frac
10×distribute-lft-out add-log-exp
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in associate-/l*
associate-/r* sqrt-prod
neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div sum-log flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp neg-log clear-num div-inv
Counts
4 → 80
Calls
4 calls:
32.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
2.0ms
(- (* b_2 b_2) (* a c))
12.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
13.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series267.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
32.0ms
(- (* b_2 b_2) (* a c))
72.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
73.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.1s

Counts
92 → 92
Iterations

Useful iterations: 3 (457.0ms)

IterNodesCost
01511534
13661440
211651266
345781252
done50001252

prune236.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.3b

localize11.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
5.8b
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
8.8b
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
186×times-frac
158×add-sqr-sqrt
157×*-un-lft-identity
89×add-cube-cbrt
34×distribute-lft-out-- difference-of-squares
30×associate-/l*
20×sqrt-prod
17×distribute-rgt-neg-in
11×add-exp-log add-cbrt-cube
10×associate-/r* associate-/r/
add-log-exp
flip3-- flip--
div-inv
pow1
cbrt-undiv div-exp
associate-/l/
frac-2neg sqrt-div diff-log clear-num
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 206
Calls
4 calls:
12.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
43.0ms
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
25.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series445.0ms

Counts
4 → 12
Calls
4 calls:
68.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
144.0ms
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
172.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
61.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.6s

Counts
218 → 218
Iterations

Useful iterations: done (1.5s)

IterNodesCost
03076418
17455559
232935355
done50005353

prune482.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.3b

localize12.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
5.8b
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
8.8b
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite110.0ms

Algorithm
rewrite-expression-head
Rules
85×add-sqr-sqrt
69×*-un-lft-identity
58×times-frac
35×add-cube-cbrt
28×add-exp-log
27×associate-*l*
18×add-cbrt-cube
16×distribute-lft-out-- difference-of-squares
13×associate-*r*
11×sqrt-prod
div-exp
distribute-rgt-neg-in prod-exp add-log-exp
pow1 associate-/r*
unswap-sqr
cbrt-undiv
flip3-- associate-/r/ flip-- cbrt-unprod
div-inv associate-/l*
rec-exp sqrt-div diff-log 1-exp associate-/l/
associate--l- neg-sub0 frac-times sub-neg rem-sqrt-square frac-2neg sqrt-pow1 flip3-+ pow1/2 associate-*r/ pow-prod-down neg-log associate-*l/ clear-num un-div-inv *-commutative flip-+
Counts
4 → 151
Calls
4 calls:
12.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
61.0ms
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
27.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series440.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
142.0ms
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
171.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
58.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.0s

Counts
163 → 163
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02533897
17233342
230892996
done50012994

prune349.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.3b

localize12.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
13.0b
(/ (* a c) a)
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
11×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt
pow1
sqrt-prod
flip3-- times-frac diff-log associate-/r* flip--
cbrt-undiv sub-neg sqrt-div div-exp distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 rem-sqrt-square distribute-rgt-neg-in frac-2neg sqrt-pow1 pow1/2 neg-log prod-exp clear-num cbrt-unprod div-inv associate-/l*
Counts
4 → 66
Calls
4 calls:
2.0ms
(- (* b_2 b_2) (* a c))
12.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
3.0ms
(/ (* a c) a)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series166.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (* b_2 b_2) (* a c))
68.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
6.0ms
(/ (* a c) a)
60.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify461.0ms

Counts
78 → 78
Iterations

Useful iterations: done (459.0ms)

IterNodesCost
0131952
1318874
21211762
done5000756

prune181.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 5.3b

regimes203.0ms

Accuracy

94% (1.4b remaining)

Error of 6.7b against oracle of 5.3b and baseline of 29.0b

bsearch151.0ms

Steps
ItersRangePoint
9
1.790439840991813e+53
4.6520850645607246e+61
4.144553567986907e+60
11
-2.5535425374078063e-212
-1.1714445965311569e-247
-1.273959369302109e-247
7
-3.550313394724354e+57
-2.3888623512096697e+55
-3.124283374205192e+57

simplify3.0ms

Iterations

Useful iterations: done (3.0ms)

IterNodesCost
03358
14156
done4154

end0.0ms

sample984.0ms

Algorithm
intervals
Results
209.0ms1075×body2560valid
189.0ms5844×body80valid
140.0ms911×body1280valid
90.0ms2888×body80nan
57.0ms451×body640valid
24.0ms102×body5120valid
21.0ms231×body320valid
7.0ms119×body160valid