Details

Time bar (total: 18.9s)

sample136.0ms

Algorithm
intervals
Results
35.0ms135×body160valid
28.0ms313×body80nan
21.0ms569×pre80true
11.0ms121×body80valid

simplify142.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (9.0ms)

IterNodesCost
01417
12517
24616
38616
410816
511616
done11616

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.3b

localize13.0ms

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))))

rewrite126.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
11×add-sqr-sqrt
10×add-cube-cbrt fma-def add-log-exp
add-exp-log add-cbrt-cube
distribute-rgt-neg-in distribute-lft-out
pow1 times-frac associate-/l*
expm1-log1p-u log1p-expm1-u
distribute-lft-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative neg-mul-1 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub prod-diff neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 90
Calls
4 calls:
12.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
72.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
9.0ms
(- (* b b) (* (* 4.0 a) c))
30.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series402.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
121.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
86.0ms
(- (* b b) (* (* 4.0 a) c))
115.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify1.4s

Counts
102 → 102
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01671697
14331584
214841361
done50001347

prune424.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.3b

localize19.0ms

Local error

Found 4 expressions with local error:

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

rewrite334.0ms

Algorithm
rewrite-expression-head
Rules
123×add-sqr-sqrt *-un-lft-identity
90×times-frac
79×add-cube-cbrt
61×prod-diff
41×sqrt-prod
32×distribute-rgt-neg-in
30×associate-/l*
22×distribute-lft-out-- difference-of-squares
21×distribute-lft-neg-in
18×add-exp-log add-cbrt-cube
11×fma-neg
10×add-log-exp
associate-/r*
cbrt-undiv neg-mul-1 div-exp
associate-/r/
flip3-- flip--
pow1 expm1-log1p-u log1p-expm1-u 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 → 231
Calls
4 calls:
133.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
59.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
16.0ms
(- (* b b) (* (* 4.0 a) c))
106.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series696.0ms

Counts
4 → 12
Calls
4 calls:
214.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
134.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
61.0ms
(- (* b b) (* (* 4.0 a) c))
288.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify1.9s

Counts
243 → 243
Iterations

Useful iterations: done (1.8s)

IterNodesCost
033810026
18027598
230396483
done50016397

prune638.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* 2.0 a) (/ (* 4.0 (* a c)) (- (- 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)))))

rewrite258.0ms

Algorithm
rewrite-expression-head
Rules
719×times-frac
330×add-exp-log
257×add-sqr-sqrt *-un-lft-identity
214×div-exp
185×add-cube-cbrt
138×add-cbrt-cube
83×prod-exp
72×cbrt-undiv
52×div-inv
50×associate-/r/
45×1-exp
38×associate-/r*
36×distribute-lft-out-- difference-of-squares
33×cbrt-unprod
18×rec-exp flip3-- distribute-rgt-neg-in sqrt-prod flip--
15×associate-/l*
add-log-exp
pow1 expm1-log1p-u log1p-expm1-u
frac-2neg clear-num
sub-neg fma-neg diff-log prod-diff associate-/l/
Counts
4 → 467
Calls
4 calls:
59.0ms
(/ (* 2.0 a) (/ (* 4.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
9.0ms
(- (* b b) (* (* 4.0 a) c))
83.0ms
(/ (/ 1 1) (/ (* 2.0 a) (/ (* 4.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))))
69.0ms
(/ (* 4.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series625.0ms

Counts
4 → 12
Calls
4 calls:
137.0ms
(/ (* 2.0 a) (/ (* 4.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
69.0ms
(- (* b b) (* (* 4.0 a) c))
214.0ms
(/ (/ 1 1) (/ (* 2.0 a) (/ (* 4.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))))
205.0ms
(/ (* 4.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify2.6s

Counts
479 → 479
Iterations

Useful iterations: done (2.6s)

IterNodesCost
070419852
1178016706
2467314936
done500014934

prune715.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

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

rewrite244.0ms

Algorithm
rewrite-expression-head
Rules
285×times-frac
226×add-sqr-sqrt *-un-lft-identity
138×add-cube-cbrt
121×add-exp-log
63×add-cbrt-cube
61×prod-diff
60×div-exp
52×sqrt-prod
44×distribute-lft-out-- difference-of-squares
43×distribute-rgt-neg-in
36×prod-exp
34×div-inv
27×cbrt-undiv
21×distribute-lft-neg-in associate-/l*
18×cbrt-unprod
11×fma-neg
10×associate-/r/ add-log-exp
associate-/r*
neg-mul-1 rec-exp 1-exp
pow1 expm1-log1p-u log1p-expm1-u
flip3-- diff-log flip--
sub-neg frac-2neg clear-num
associate--l- neg-sub0 neg-log associate-/l/
Counts
4 → 345
Calls
4 calls:
97.0ms
(/ (/ 1 (/ (* 2.0 a) (* 4.0 (* a c)))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
62.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
44.0ms
(/ (* 2.0 a) (* 4.0 (* a c)))
16.0ms
(- (* b b) (* (* 4.0 a) c))

series429.0ms

Counts
4 → 12
Calls
4 calls:
228.0ms
(/ (/ 1 (/ (* 2.0 a) (* 4.0 (* a c)))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
105.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
13.0ms
(/ (* 2.0 a) (* 4.0 (* a c)))
82.0ms
(- (* b b) (* (* 4.0 a) c))

simplify2.7s

Counts
357 → 357
Iterations

Useful iterations: done (2.7s)

IterNodesCost
051615080
1129412475
242939942
done50019941

prune802.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

regimes247.0ms

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02128
12628
done2628

end0.0ms

sample4.1s

Algorithm
intervals
Results
1.5s4481×body160valid
741.0ms8809×body80nan
713.0ms16809×pre80true
355.0ms3519×body80valid