Details

Time bar (total: 18.3s)

sample116.0ms

Algorithm
intervals
Results
38.0ms313×body80nan
17.0ms135×body160valid
16.0ms569×pre80true
8.0ms121×body80valid

simplify107.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (17.0ms)

IterNodesCost
01417
12417
24416
37816
49116
59916
done9916

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.3b

localize15.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (- (* b b) (* (* 4.0 a) c)))
0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
0.3b
(- (* b b) (* (* 4.0 a) c))
27.1b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite163.0ms

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:
11.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
103.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
10.0ms
(- (* b b) (* (* 4.0 a) c))
37.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series439.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
162.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
66.0ms
(- (* b b) (* (* 4.0 a) c))
118.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify1.1s

Counts
82 → 82
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01541565
14011461
213411245
done50001233

prune324.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.3b

localize36.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
0.2b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.3b
(- (* b b) (* (* 4.0 a) c))
0.3b
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite324.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
82×add-sqr-sqrt *-un-lft-identity
38×add-cube-cbrt
30×associate-/l*
22×distribute-lft-out-- difference-of-squares
18×add-exp-log add-cbrt-cube
11×distribute-rgt-neg-in sqrt-prod
10×add-log-exp
associate-/r*
cbrt-undiv div-exp
associate-/r/
flip3-- flip--
pow1 div-inv
diff-log associate-/l/
sub-neg frac-2neg prod-exp clear-num cbrt-unprod
associate--l- neg-sub0 flip3-+ neg-log flip-+
Counts
4 → 151
Calls
4 calls:
118.0ms
(/ (/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
44.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
15.0ms
(- (* b b) (* (* 4.0 a) c))
134.0ms
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series666.0ms

Counts
4 → 12
Calls
4 calls:
201.0ms
(/ (/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
111.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
68.0ms
(- (* b b) (* (* 4.0 a) c))
285.0ms
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify1.5s

Counts
163 → 163
Iterations

Useful iterations: 2 (543.0ms)

IterNodesCost
02505048
16254510
227644166
done50014166

prune567.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize52.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))))
0.3b
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c))))))
0.3b
(/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))
0.4b
(* (* c c) (* (* 4.0 a) (* 4.0 a)))

rewrite458.0ms

Algorithm
rewrite-expression-head
Rules
113×pow1
62×pow-prod-down
60×add-sqr-sqrt
49×add-exp-log add-cbrt-cube
45×*-un-lft-identity
38×times-frac
31×prod-exp cbrt-unprod
25×add-cube-cbrt
15×difference-of-squares
14×pow-prod-up
11×associate-/r*
10×pow-plus sqrt-prod distribute-lft-out--
pow-sqr add-log-exp
associate-/l*
distribute-rgt-neg-in
associate-/r/ associate-/l/
flip3-- flip--
cbrt-undiv pow2 frac-2neg flip3-+ diff-log div-exp clear-num flip-+ div-inv
associate--l- neg-sub0 sub-neg div-sub associate-*r* associate-*l* neg-log *-commutative unswap-sqr
Counts
4 → 160
Calls
4 calls:
60.0ms
(- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))))
180.0ms
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c))))))
55.0ms
(/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))
153.0ms
(* (* c c) (* (* 4.0 a) (* 4.0 a)))

series603.0ms

Counts
4 → 12
Calls
4 calls:
146.0ms
(- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))))
285.0ms
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c))))))
129.0ms
(/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))
43.0ms
(* (* c c) (* (* 4.0 a) (* 4.0 a)))

simplify2.0s

Counts
172 → 172
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02766038
16925672
232355089
done50015087

prune847.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.3b
(- (* b b) (* (* 4.0 a) c))
0.3b
(/ (/ 1 1) (/ (* 2.0 a) (/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))))
0.3b
(/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite247.0ms

Algorithm
rewrite-expression-head
Rules
692×times-frac
298×add-exp-log
249×add-sqr-sqrt *-un-lft-identity
200×div-exp
181×add-cube-cbrt
106×add-cbrt-cube
73×prod-exp
58×cbrt-undiv
49×div-inv
45×1-exp associate-/r/
34×distribute-lft-out-- difference-of-squares
25×associate-/r*
23×cbrt-unprod
18×rec-exp
17×flip3-- distribute-rgt-neg-in sqrt-prod flip--
14×associate-/l*
10×add-log-exp
pow1
diff-log
sub-neg frac-2neg clear-num
associate--l- neg-sub0 neg-log associate-/l/
Counts
4 → 421
Calls
4 calls:
30.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
9.0ms
(- (* b b) (* (* 4.0 a) c))
90.0ms
(/ (/ 1 1) (/ (* 2.0 a) (/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))))
70.0ms
(/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series686.0ms

Counts
4 → 12
Calls
4 calls:
117.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
75.0ms
(- (* b b) (* (* 4.0 a) c))
237.0ms
(/ (/ 1 1) (/ (* 2.0 a) (/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))))
256.0ms
(/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify3.2s

Counts
433 → 433
Iterations

Useful iterations: 2 (1.8s)

IterNodesCost
068618157
1170415092
2417013714
done500013714

prune552.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0b

regimes244.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 0.5b

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02641
13439
done3439

end0.0ms

sample4.1s

Algorithm
intervals
Results
924.0ms8809×body80nan
853.0ms3519×body80valid
807.0ms4481×body160valid
677.0ms16809×pre80true