Details

Time bar (total: 20.6s)

sample205.0ms

Algorithm
intervals
Results
21.0ms42×body2560valid
17.0ms173×body80valid
10.0ms25×body1280valid
6.0ms18×body640valid
5.0ms69×body80nan
3.0ms11×body320valid
1.0msbody5120valid
0.0msbody160valid

simplify58.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
01013
11913
23313
34613
44913
done4913

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.1b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.8b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
1.2b
(- (* b_2 b_2) (* a c))
24.4b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite242.0ms

Algorithm
rewrite-expression-head
Rules
79×add-sqr-sqrt
78×*-un-lft-identity
61×prod-diff
58×add-cube-cbrt
38×sqrt-prod
26×distribute-rgt-neg-in
21×distribute-lft-neg-in times-frac
11×fma-neg
10×distribute-lft-out-- add-log-exp difference-of-squares
neg-mul-1 associate-/l*
add-exp-log add-cbrt-cube
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
diff-log associate-/r*
sub-neg sqrt-div associate-/l/
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log clear-num div-inv
Counts
4 → 171
Calls
4 calls:
129.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
80.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
10.0ms
(- (* b_2 b_2) (* a c))
14.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series438.0ms

Counts
4 → 12
Calls
4 calls:
150.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
114.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
63.0ms
(- (* b_2 b_2) (* a c))
111.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.5s

Counts
183 → 183
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02425993
15464313
214143549
done50013001

prune1.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.2b

localize20.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (pow b_2 2) (* a c))
2.4b
(/ (/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) a)
10.8b
(/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
24.4b
(sqrt (- (pow b_2 2) (* a c)))

rewrite394.0ms

Algorithm
rewrite-expression-head
Rules
162×times-frac
150×add-sqr-sqrt
117×*-un-lft-identity
85×add-cube-cbrt
32×difference-of-squares
27×associate-/l*
19×sqrt-prod
16×distribute-lft-out--
11×add-exp-log add-cbrt-cube
10×associate-/r/
associate-/r*
fma-neg prod-diff
flip3-- flip--
unpow-prod-down div-inv add-log-exp
pow1
cbrt-undiv expm1-log1p-u div-exp log1p-expm1-u
associate-/l/
frac-2neg sqrt-div clear-num unpow2 sqr-pow
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 208
Calls
4 calls:
31.0ms
(- (pow b_2 2) (* a c))
169.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) a)
146.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
30.0ms
(sqrt (- (pow b_2 2) (* a c)))

series738.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(- (pow b_2 2) (* a c))
278.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) a)
307.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
104.0ms
(sqrt (- (pow b_2 2) (* a c)))

simplify1.6s

Counts
220 → 220
Iterations

Useful iterations: done (1.5s)

IterNodesCost
03325836
17695059
224314856
done50004842

prune878.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.2b

localize14.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (pow b_2 2) (* a c))
2.5b
(* (/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) (/ 1 a))
10.8b
(/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
24.4b
(sqrt (- (pow b_2 2) (* a c)))

rewrite443.0ms

Algorithm
rewrite-expression-head
Rules
83×add-sqr-sqrt
53×*-un-lft-identity
52×times-frac
37×add-cube-cbrt
28×add-exp-log
24×associate-*l*
18×add-cbrt-cube
14×difference-of-squares
13×associate-*r*
10×sqrt-prod
div-exp
fma-neg prod-diff prod-exp
pow1 distribute-lft-out--
unpow-prod-down associate-/r* add-log-exp unswap-sqr
cbrt-undiv
expm1-log1p-u flip3-- associate-/r/ flip-- cbrt-unprod log1p-expm1-u
div-inv associate-/l*
rec-exp sqrt-div 1-exp associate-/l/ unpow2 sqr-pow
frac-times sub-neg rem-sqrt-square frac-2neg sqrt-pow1 flip3-+ pow1/2 diff-log associate-*r/ pow-prod-down associate-*l/ clear-num un-div-inv *-commutative flip-+
Counts
4 → 162
Calls
4 calls:
18.0ms
(- (pow b_2 2) (* a c))
250.0ms
(* (/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) (/ 1 a))
142.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
26.0ms
(sqrt (- (pow b_2 2) (* a c)))

series712.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(- (pow b_2 2) (* a c))
197.0ms
(* (/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2)) (/ 1 a))
342.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (pow b_2 2) (* a c))) b_2))
113.0ms
(sqrt (- (pow b_2 2) (* a c)))

simplify3.9s

Counts
174 → 174
Iterations

Useful iterations: done (3.9s)

IterNodesCost
02783714
17213155
222802836
done50002656

prune674.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 4.2b

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ c (- (sqrt (- (pow b_2 2) (* a c))) b_2))
0.4b
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
1.2b
(- (pow b_2 2) (* a c))
24.4b
(sqrt (- (pow b_2 2) (* a c)))

rewrite258.0ms

Algorithm
rewrite-expression-head
Rules
55×add-sqr-sqrt
44×*-un-lft-identity
34×add-cube-cbrt
26×prod-diff
20×sqrt-prod
18×times-frac
14×fma-neg
10×difference-of-squares
add-log-exp
add-exp-log unpow-prod-down associate-/r* add-cbrt-cube
pow1 distribute-lft-out--
expm1-log1p-u flip3-- flip-- log1p-expm1-u
associate-/l*
sub-neg sqrt-div diff-log associate-/r/ unpow2 sqr-pow
cbrt-undiv rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-exp clear-num div-inv
Counts
4 → 131
Calls
4 calls:
84.0ms
(/ c (- (sqrt (- (pow b_2 2) (* a c))) b_2))
111.0ms
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
27.0ms
(- (pow b_2 2) (* a c))
26.0ms
(sqrt (- (pow b_2 2) (* a c)))

series554.0ms

Counts
4 → 12
Calls
4 calls:
285.0ms
(/ c (- (sqrt (- (pow b_2 2) (* a c))) b_2))
106.0ms
(- (sqrt (- (pow b_2 2) (* a c))) b_2)
46.0ms
(- (pow b_2 2) (* a c))
117.0ms
(sqrt (- (pow b_2 2) (* a c)))

simplify2.7s

Counts
143 → 143
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
02022544
14332228
29601987
332691887
done50001887

prune573.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 4.2b

regimes251.0ms

Accuracy

94.8% (1.3b remaining)

Error of 6.6b against oracle of 5.4b and baseline of 29.6b

bsearch198.0ms

Steps
ItersRangePoint
5
1.7897742140858872e+53
5.1194650287633095e+53
5.031608061939103e+53
9
9.448397398655464e-278
1.4829972419072586e-270
8.216265756828381e-276
9
-1.4642911230069481e+159
-8.435593739772907e+149
-3.5132588248780117e+152

simplify5.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
03656
14154
done4154

end0.0ms

sample3.1s

Algorithm
intervals
Results
945.0ms860×body1280valid
603.0ms1104×body2560valid
579.0ms5843×body80valid
195.0ms2938×body80nan
183.0ms492×body640valid
103.0ms107×body5120valid
86.0ms226×body320valid
19.0ms106×body160valid