Details

Time bar (total: 11.7s)

sample76.0ms

Algorithm
intervals
Results
16.0ms130×body320valid
10.0ms498×pre80true
9.0ms242×body80nan
6.0ms18×body640valid
6.0ms76×body160valid
2.0ms32×body80valid

simplify71.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01417
12517
24616
38616
410816
511616
done11616

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 53.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (- (* b b) (* (* 4.0 a) c)))
0.1b
(- (* b b) (* (* 4.0 a) c))
0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
26.4b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite110.0ms

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:
10.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
8.0ms
(- (* b b) (* (* 4.0 a) c))
66.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
23.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series441.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
44.0ms
(- (* b b) (* (* 4.0 a) c))
243.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
82.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify870.0ms

Counts
102 → 102
Iterations

Useful iterations: done (868.0ms)

IterNodesCost
01671697
14331584
214811361
done50001347

prune243.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize16.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* (* 4.0 a) c))
0.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.3b
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
0.3b
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite192.0ms

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:
8.0ms
(- (* b b) (* (* 4.0 a) c))
29.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
84.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
58.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series453.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(- (* b b) (* (* 4.0 a) c))
79.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
145.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
184.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify1.3s

Counts
243 → 243
Iterations

Useful iterations: done (1.3s)

IterNodesCost
034010026
18127598
232286483
done50006397

prune515.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* (* 4.0 a) c))
0.1b
(- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))
0.3b
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))) (* 2.0 a))
0.3b
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c))))))

rewrite126.0ms

Algorithm
rewrite-expression-head
Rules
104×*-un-lft-identity
82×add-sqr-sqrt
78×times-frac
60×add-cube-cbrt
41×prod-diff
27×associate-/l*
26×distribute-rgt-neg-in
22×distribute-lft-out--
18×add-exp-log add-cbrt-cube
15×distribute-lft-neg-in
11×fma-neg difference-of-squares
10×sqrt-prod add-log-exp
cbrt-undiv div-exp associate-/r*
associate-/r/
neg-mul-1 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 → 200
Calls
4 calls:
10.0ms
(- (* b b) (* (* 4.0 a) c))
16.0ms
(- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))
55.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))) (* 2.0 a))
36.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c))))))

series465.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(- (* b b) (* (* 4.0 a) c))
80.0ms
(- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))
149.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))) (* 2.0 a))
187.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c))))))

simplify1.3s

Counts
212 → 212
Iterations

Useful iterations: done (1.3s)

IterNodesCost
03288474
17866028
232085145
done50015087

prune535.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.1b
(/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
0.3b
(/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a)
0.3b
(* (/ (* (* 4.0 a) c) 2.0) (/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a))

rewrite313.0ms

Algorithm
rewrite-expression-head
Rules
338×times-frac
308×add-sqr-sqrt
297×*-un-lft-identity
192×add-cube-cbrt
107×add-exp-log
85×associate-*r*
65×add-cbrt-cube
60×prod-diff
56×sqrt-prod
52×distribute-lft-out-- difference-of-squares
47×distribute-rgt-neg-in div-exp
35×prod-exp
30×associate-/l*
25×cbrt-undiv
21×distribute-lft-neg-in cbrt-unprod
16×associate-/r/
11×div-inv
10×fma-neg associate-/r*
flip3-- flip--
add-log-exp
pow1 neg-mul-1 associate-*l*
rec-exp 1-exp
expm1-log1p-u log1p-expm1-u unswap-sqr
frac-2neg diff-log clear-num
associate--l- neg-sub0 frac-times sub-neg pow-flip associate-*r/ pow-prod-down neg-log associate-*l/ *-commutative associate-/l/ inv-pow
Counts
4 → 413
Calls
4 calls:
29.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
39.0ms
(/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
64.0ms
(/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a)
155.0ms
(* (/ (* (* 4.0 a) c) 2.0) (/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a))

series473.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
104.0ms
(/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
125.0ms
(/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a)
161.0ms
(* (/ (* (* 4.0 a) c) 2.0) (/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a))

simplify1.6s

Counts
425 → 425
Iterations

Useful iterations: done (1.6s)

IterNodesCost
051715231
1136712349
2412810575
done500010489

prune668.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

regimes86.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01825
12423
done2423

end0.0ms

sample1.7s

Algorithm
intervals
Results
369.0ms3616×body320valid
280.0ms16243×pre80true
268.0ms8243×body80nan
197.0ms2887×body160valid
70.0ms517×body640valid
34.0ms980×body80valid