Details

Time bar (total: 9.0s)

sample40.0ms

Algorithm
intervals
Results
8.0ms37×body2560valid
7.0ms195×body80valid
4.0ms21×body1280valid
3.0ms81×body80nan
3.0ms19×body640valid
1.0msbody5120valid
0.0msbody320valid
0.0msbody160valid

simplify53.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01417
12417
24416
37816
49016
59816
done9816

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.9b

localize15.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
0.4b
(- (* b b) (* (* 4.0 a) c))
1.1b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
20.6b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
distribute-rgt-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 70
Calls
4 calls:
37.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
3.0ms
(- (* b b) (* (* 4.0 a) c))
12.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
5.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series347.0ms

Counts
4 → 12
Calls
4 calls:
121.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
55.0ms
(- (* b b) (* (* 4.0 a) c))
90.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
82.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify755.0ms

Counts
82 → 82
Iterations

Useful iterations: done (752.0ms)

IterNodesCost
01541565
14061461
213591245
done50001235

prune267.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.6b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (/ 1 (* 2.0 a)))
0.4b
(- (* b b) (* (* 4.0 a) c))
1.1b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
20.6b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
16×*-un-lft-identity
13×add-cbrt-cube
11×add-sqr-sqrt
10×prod-exp add-log-exp
add-cube-cbrt
pow1 associate-*r*
associate-*l*
div-exp cbrt-unprod distribute-lft-out
flip3-+ times-frac sqrt-prod flip-+
cbrt-undiv frac-times rec-exp flip3-- distribute-rgt-neg-in sqrt-div 1-exp associate-*l/ sum-log flip--
+-commutative neg-sub0 associate-+l- sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log associate-*r/ pow-prod-down neg-log un-div-inv *-commutative div-inv unswap-sqr
Counts
4 → 80
Calls
4 calls:
56.0ms
(* (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (/ 1 (* 2.0 a)))
3.0ms
(- (* b b) (* (* 4.0 a) c))
16.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series375.0ms

Counts
4 → 12
Calls
4 calls:
125.0ms
(* (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (/ 1 (* 2.0 a)))
61.0ms
(- (* b b) (* (* 4.0 a) c))
104.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
85.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify948.0ms

Counts
92 → 92
Iterations

Useful iterations: done (945.0ms)

IterNodesCost
01811881
14801671
216491400
done50001399

prune283.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.6b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) 2.0) (/ (cbrt 1) a))
0.4b
(- (* b b) (* (* 4.0 a) c))
1.1b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
20.6b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
69×add-sqr-sqrt
46×times-frac
38×*-un-lft-identity
28×add-cube-cbrt
22×associate-*r* associate-*l*
16×add-exp-log
14×add-cbrt-cube
13×cbrt-prod
add-log-exp difference-of-squares unswap-sqr
pow1 sqrt-prod
cbrt-undiv div-exp prod-exp cbrt-unprod distribute-lft-out--
flip3-- flip--
sub-neg sqrt-div diff-log div-inv
frac-times rem-sqrt-square sqrt-pow1 pow1/2 associate-*r/ pow-prod-down associate-*l/ *-commutative
Counts
4 → 114
Calls
4 calls:
65.0ms
(* (/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) 2.0) (/ (cbrt 1) a))
3.0ms
(- (* b b) (* (* 4.0 a) c))
19.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series389.0ms

Counts
4 → 12
Calls
4 calls:
138.0ms
(* (/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) 2.0) (/ (cbrt 1) a))
57.0ms
(- (* b b) (* (* 4.0 a) c))
102.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
93.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.1s

Counts
126 → 126
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02392735
16792428
217942178
done50002177

prune372.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 5.6b

localize21.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt a)
0.6b
(cbrt a)
1.1b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
20.6b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
*-un-lft-identity
add-cube-cbrt
cbrt-prod add-log-exp
pow1
add-exp-log sqrt-prod add-cbrt-cube
flip3-- pow1/3 sqrt-div flip-- difference-of-squares
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log distribute-lft-out--
Counts
4 → 52
Calls
4 calls:
1.0ms
(cbrt a)
1.0ms
(cbrt a)
19.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
8.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series594.0ms

Counts
4 → 12
Calls
4 calls:
207.0ms
(cbrt a)
214.0ms
(cbrt a)
92.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
81.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.4s

Counts
64 → 64
Iterations

Useful iterations: 3 (458.0ms)

IterNodesCost
0103754
1227674
2675628
32178618
done5000618

prune256.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 5.6b

regimes212.0ms

Accuracy

83.3% (4.8b remaining)

Error of 10.4b against oracle of 5.6b and baseline of 34.3b

bsearch172.0ms

Steps
ItersRangePoint
10
3.056596725548563e-78
7.076105677608322e-63
3.446447862996811e-75
10
-1.852183237050365e+100
-1.9127319211193897e+86
-4.123103533644211e+95

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02941
13641
done3641

end0.0ms

sample1.2s

Algorithm
intervals
Results
256.0ms1096×body2560valid
234.0ms5880×body80valid
167.0ms852×body1280valid
108.0ms2945×body80nan
68.0ms471×body640valid
31.0ms109×body5120valid
23.0ms211×body320valid
8.0ms107×body160valid