Details

Time bar (total: 11.2s)

sample57.0ms

Algorithm
intervals
Results
15.0ms168×body160valid
10.0ms517×pre80true
9.0ms261×body80nan
4.0ms34×body320valid
2.0ms54×body80valid

simplify52.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01417
12417
24416
37816
49016
59816
done9816

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 43.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (- (* b b) (* (* 4.0 a) c)))
0.2b
(- (* b b) (* (* 4.0 a) c))
0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
38.5b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite57.0ms

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:
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
3.0ms
(- (* b b) (* (* 4.0 a) c))
38.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
12.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series299.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
43.0ms
(- (* b b) (* (* 4.0 a) c))
105.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
81.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify719.0ms

Counts
82 → 82
Iterations

Useful iterations: done (717.0ms)

IterNodesCost
01541565
14061461
213611245
done50001235

prune202.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.2b

localize18.0ms

Local error

Found 4 expressions with local error:

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

rewrite111.0ms

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:
14.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
3.0ms
(- (* b b) (* (* 4.0 a) c))
49.0ms
(/ (/ (+ (* b (- b b)) (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
38.0ms
(/ (+ (* b (- b b)) (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series421.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
49.0ms
(- (* b b) (* (* 4.0 a) c))
126.0ms
(/ (/ (+ (* b (- b b)) (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
170.0ms
(/ (+ (* b (- b b)) (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify988.0ms

Counts
163 → 163
Iterations

Useful iterations: done (977.0ms)

IterNodesCost
02545790
16705273
223884513
done50004511

prune475.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* b b) (* (* 4.0 a) c))
0.2b
(/ (/ 1 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (+ 0 (* 4.0 (* a c))))) (* 2.0 a))
0.2b
(/ 1 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (+ 0 (* 4.0 (* a c)))))
0.3b
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (+ 0 (* 4.0 (* a c))))

rewrite154.0ms

Algorithm
rewrite-expression-head
Rules
560×times-frac
346×add-sqr-sqrt *-un-lft-identity
210×add-cube-cbrt
96×associate-/l*
68×distribute-lft-out-- difference-of-squares
62×add-exp-log
36×div-exp
34×distribute-rgt-neg-in sqrt-prod
32×add-cbrt-cube
31×associate-/r*
25×associate-/r/
16×cbrt-undiv
15×div-inv
11×flip3-+ flip-+
prod-exp
rec-exp 1-exp add-log-exp
pow1
frac-2neg clear-num cbrt-unprod associate-/l/
flip3-- flip--
sub-neg pow-flip diff-log div-sub inv-pow
Counts
4 → 396
Calls
4 calls:
3.0ms
(- (* b b) (* (* 4.0 a) c))
59.0ms
(/ (/ 1 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (+ 0 (* 4.0 (* a c))))) (* 2.0 a))
28.0ms
(/ 1 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (+ 0 (* 4.0 (* a c)))))
36.0ms
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (+ 0 (* 4.0 (* a c))))

series449.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(- (* b b) (* (* 4.0 a) c))
124.0ms
(/ (/ 1 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (+ 0 (* 4.0 (* a c))))) (* 2.0 a))
166.0ms
(/ 1 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (+ 0 (* 4.0 (* a c)))))
109.0ms
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (+ 0 (* 4.0 (* a c))))

simplify2.1s

Counts
408 → 408
Iterations

Useful iterations: 2 (1.2s)

IterNodesCost
051115423
1135113396
2471712076
done500012076

prune729.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

localize15.0ms

Local error

Found 4 expressions with local error:

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

rewrite173.0ms

Algorithm
rewrite-expression-head
Rules
160×times-frac
111×*-un-lft-identity
71×add-sqr-sqrt
51×add-cube-cbrt associate-/l*
48×add-exp-log
36×add-cbrt-cube
30×distribute-lft-out--
26×div-inv
20×div-exp
16×distribute-rgt-neg-in
13×cbrt-undiv
12×associate-/r/
11×associate-/r*
10×distribute-rgt-out-- prod-exp difference-of-squares
cbrt-unprod
distribute-lft-neg-in sqrt-prod
pow1
flip3-- frac-2neg clear-num flip-- add-log-exp
rec-exp 1-exp frac-sub associate-/l/ sub-div
neg-mul-1 sqrt-div
neg-sub0 pow-flip div-sub distribute-frac-neg inv-pow
Counts
4 → 213
Calls
4 calls:
88.0ms
(/ (/ 1 (- (/ (- b) (* (* 4.0 a) c)) (/ (sqrt (- (* b b) (* (* 4.0 a) c))) (* (* 4.0 a) c)))) (* 2.0 a))
8.0ms
(/ (- b) (* (* 4.0 a) c))
52.0ms
(/ 1 (- (/ (- b) (* (* 4.0 a) c)) (/ (sqrt (- (* b b) (* (* 4.0 a) c))) (* (* 4.0 a) c))))
16.0ms
(/ (sqrt (- (* b b) (* (* 4.0 a) c))) (* (* 4.0 a) c))

series553.0ms

Counts
4 → 12
Calls
4 calls:
185.0ms
(/ (/ 1 (- (/ (- b) (* (* 4.0 a) c)) (/ (sqrt (- (* b b) (* (* 4.0 a) c))) (* (* 4.0 a) c)))) (* 2.0 a))
27.0ms
(/ (- b) (* (* 4.0 a) c))
205.0ms
(/ 1 (- (/ (- b) (* (* 4.0 a) c)) (/ (sqrt (- (* b b) (* (* 4.0 a) c))) (* (* 4.0 a) c))))
137.0ms
(/ (sqrt (- (* b b) (* (* 4.0 a) c))) (* (* 4.0 a) c))

simplify1.5s

Counts
225 → 225
Iterations

Useful iterations: done (1.5s)

IterNodesCost
03916973
110246567
239155886
done50015883

prune460.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

regimes101.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02033
12833
done2833

end0.0ms

sample1.5s

Algorithm
intervals
Results
344.0ms4871×body160valid
303.0ms16451×pre80true
287.0ms8451×body80nan
144.0ms1368×body320valid
62.0ms1761×body80valid