Details

Time bar (total: 13.8s)

sample102.0ms

Algorithm
intervals
Results
21.0ms35×body2560valid
18.0ms185×body80valid
11.0ms23×body1280valid
10.0ms103×body80nan
7.0ms19×body640valid
1.0msbody160valid
1.0msbody320valid

simplify171.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01417
12817
26417
311517
414217
515217
615617
done15617

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.3b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.6b
(- (* b b) (* 4.0 (* a c)))
2.0b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
22.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
times-frac add-cube-cbrt associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
69.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
7.0ms
(- (* b b) (* 4.0 (* a c)))
20.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
8.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series409.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
82.0ms
(- (* b b) (* 4.0 (* a c)))
108.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
83.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify851.0ms

Counts
89 → 89
Iterations

Useful iterations: done (847.0ms)

IterNodesCost
01551748
14111650
216181476
done50001466

prune534.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.5b

localize29.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
0.6b
(- (* b b) (* 4.0 (* a c)))
2.0b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
22.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite128.0ms

Algorithm
rewrite-expression-head
Rules
67×times-frac
48×add-sqr-sqrt
47×*-un-lft-identity
27×add-cube-cbrt
25×add-exp-log
13×associate-/r* add-cbrt-cube
12×div-exp
10×distribute-lft-out-- add-log-exp difference-of-squares
associate-/r/
sqrt-prod
flip3-- flip--
pow1
cbrt-undiv distribute-rgt-neg-in div-inv
rec-exp diff-log 1-exp prod-exp associate-/l*
sub-neg sqrt-div
associate--l- neg-sub0 rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 neg-log cbrt-unprod pow-flip inv-pow
Counts
4 → 125
Calls
4 calls:
56.0ms
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
13.0ms
(- (* b b) (* 4.0 (* a c)))
37.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
13.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series468.0ms

Counts
4 → 12
Calls
4 calls:
168.0ms
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
62.0ms
(- (* b b) (* 4.0 (* a c)))
120.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
118.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.1s

Counts
137 → 137
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02263421
15883066
225652854
done50012850

prune599.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 5.4b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ 1 (* 2.0 a)) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
0.6b
(- (* b b) (* 4.0 (* a c)))
2.0b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
22.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite175.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
19×add-sqr-sqrt
16×*-un-lft-identity
13×add-cbrt-cube
10×prod-exp add-log-exp
add-cube-cbrt
pow1 associate-*r* associate-*l*
flip3-- sqrt-prod flip--
sub-neg div-exp cbrt-unprod distribute-lft-out-- difference-of-squares
times-frac diff-log
distribute-rgt-in frac-times cbrt-undiv rec-exp distribute-rgt-neg-in distribute-lft-in sqrt-div 1-exp associate-*r/
associate--l- neg-sub0 rem-sqrt-square sqrt-pow1 pow1/2 pow-prod-down neg-log associate-*l/ *-commutative div-inv unswap-sqr
Counts
4 → 88
Calls
4 calls:
130.0ms
(* (/ 1 (* 2.0 a)) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
7.0ms
(- (* b b) (* 4.0 (* a c)))
25.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
11.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series463.0ms

Counts
4 → 12
Calls
4 calls:
169.0ms
(* (/ 1 (* 2.0 a)) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
86.0ms
(- (* b b) (* 4.0 (* a c)))
117.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
90.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.4s

Counts
100 → 100
Iterations

Useful iterations: 2 (394.0ms)

IterNodesCost
01772073
15091920
227881634
done50001634

prune503.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.4b

localize31.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.6b
(- (* b b) (* 4.0 (* a c)))
2.0b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
22.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite140.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
times-frac add-cube-cbrt associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
75.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
13.0ms
(- (* b b) (* 4.0 (* a c)))
36.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
14.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series486.0ms

Counts
4 → 12
Calls
4 calls:
177.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
63.0ms
(- (* b b) (* 4.0 (* a c)))
134.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
113.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify800.0ms

Counts
89 → 89
Iterations

Useful iterations: done (795.0ms)

IterNodesCost
01551748
14111650
216181476
done50001466

prune441.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 5.4b

regimes539.0ms

Accuracy

87.7% (3.6b remaining)

Error of 9.0b against oracle of 5.4b and baseline of 34.4b

bsearch357.0ms

Steps
ItersRangePoint
9
6.258218916731328e+93
1.8883840965187804e+99
6.637037935235253e+98
7
-1.9525004674970017e-146
-8.640740768077714e-148
-1.571246895950166e-147
10
-6.172175216823688e+56
-1.1198862992811701e+41
-1.532647813487865e+52

simplify13.0ms

Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
04071
15165
25465
done5465

end0.0ms

sample3.8s

Algorithm
intervals
Results
1.1s1114×body2560valid
957.0ms5781×body80valid
459.0ms884×body1280valid
387.0ms2931×body80nan
234.0ms464×body640valid
71.0ms110×body5120valid
59.0ms250×body320valid
21.0ms127×body160valid