Details

Time bar (total: 17.5s)

sample66.0ms

Algorithm
intervals
Results
10.0ms38×body2560valid
9.0ms190×body80valid
8.0ms36×body1280valid
4.0ms79×body80nan
2.0ms11×body640valid
1.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify93.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
01217
12217
24216
38316
411216
512016
done12016

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.3b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* b b) (* (* 3.0 a) c))
0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
0.8b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
21.2b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite197.0ms

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:
15.0ms
(- (* b b) (* (* 3.0 a) c))
125.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
32.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
20.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series480.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(- (* b b) (* (* 3.0 a) c))
182.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
126.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
116.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.7s

Counts
102 → 102
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01671697
14451590
220921363
done50011354

prune404.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.6b

localize31.0ms

Local error

Found 4 expressions with local error:

0.3b
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
4.9b
(/ (/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
7.6b
(/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
21.2b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite243.0ms

Algorithm
rewrite-expression-head
Rules
125×add-sqr-sqrt
124×*-un-lft-identity
90×times-frac
80×add-cube-cbrt
60×prod-diff
44×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
10×fma-neg
associate-/r* add-log-exp
cbrt-undiv neg-mul-1 div-exp
associate-/r/
pow1 flip3-- flip--
expm1-log1p-u log1p-expm1-u div-inv
associate-/l/
frac-2neg sqrt-div diff-log prod-exp clear-num cbrt-unprod
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 232
Calls
4 calls:
34.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
95.0ms
(/ (/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
76.0ms
(/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
27.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series637.0ms

Counts
4 → 12
Calls
4 calls:
87.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
227.0ms
(/ (/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
240.0ms
(/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
83.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify489.0ms

Counts
244 → 244
Iterations

Useful iterations: done (477.0ms)

IterNodesCost
033710067
18587629
done50006631

prune750.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.5b

localize32.0ms

Local error

Found 4 expressions with local error:

0.3b
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
4.9b
(/ (/ (/ (* (* c 3.0) a) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) 3.0) a)
7.6b
(/ (* (* c 3.0) a) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
21.2b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite309.0ms

Algorithm
rewrite-expression-head
Rules
376×times-frac
233×add-sqr-sqrt
232×*-un-lft-identity
172×add-cube-cbrt
60×prod-diff
48×sqrt-prod
44×associate-/l*
36×distribute-rgt-neg-in
33×add-exp-log add-cbrt-cube
30×distribute-lft-out-- difference-of-squares
26×associate-/r/
21×distribute-lft-neg-in
18×div-inv
15×cbrt-undiv flip3-- div-exp flip--
10×fma-neg associate-/r*
add-log-exp
neg-mul-1
prod-exp cbrt-unprod
pow1
expm1-log1p-u log1p-expm1-u
frac-2neg sqrt-div diff-log clear-num
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 pow1/2 neg-log associate-/l/
Counts
4 → 340
Calls
4 calls:
41.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
131.0ms
(/ (/ (/ (* (* c 3.0) a) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) 3.0) a)
87.0ms
(/ (* (* c 3.0) a) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
18.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series687.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
238.0ms
(/ (/ (/ (* (* c 3.0) a) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) 3.0) a)
251.0ms
(/ (* (* c 3.0) a) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
107.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify807.0ms

Counts
352 → 352
Iterations

Useful iterations: done (792.0ms)

IterNodesCost
058214652
1148712136
done500011033

prune989.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.5b

localize20.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* c 3.0) (/ (/ (/ a (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) 3.0) a))
0.3b
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
5.5b
(/ (/ (/ a (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) 3.0) a)
21.2b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite378.0ms

Algorithm
rewrite-expression-head
Rules
1518×times-frac
902×add-sqr-sqrt
901×*-un-lft-identity
645×add-cube-cbrt
259×associate-*r*
128×distribute-lft-out-- difference-of-squares
97×sqrt-prod
85×distribute-rgt-neg-in associate-/l*
60×prod-diff
45×add-exp-log add-cbrt-cube
42×associate-/r/
30×div-inv
23×flip3-- flip--
21×distribute-lft-neg-in
18×cbrt-undiv div-exp
12×prod-exp cbrt-unprod
10×pow1 fma-neg
add-log-exp
neg-mul-1
expm1-log1p-u log1p-expm1-u
pow-prod-down associate-/r*
sqrt-div diff-log
associate--l- neg-sub0 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 associate-*r/ associate-*l* neg-log clear-num *-commutative associate-/l/
Counts
4 → 758
Calls
4 calls:
153.0ms
(* (* c 3.0) (/ (/ (/ a (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) 3.0) a))
33.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
94.0ms
(/ (/ (/ a (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) 3.0) a)
18.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series728.0ms

Counts
4 → 12
Calls
4 calls:
278.0ms
(* (* c 3.0) (/ (/ (/ a (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) 3.0) a))
127.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
227.0ms
(/ (/ (/ a (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) 3.0) a)
95.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify2.0s

Counts
770 → 770
Iterations

Useful iterations: done (2.0s)

IterNodesCost
096827323
1329523935
done500022667

prune2.8s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.5b

regimes296.0ms

Accuracy

93.1% (1.6b remaining)

Error of 7.5b against oracle of 5.9b and baseline of 29.7b

bsearch283.0ms

Steps
ItersRangePoint
8
3932480935863.943
2020002846347102.2
929319867835151.5
9
-7.152300718152866e-253
-1.7963911490351415e-262
-1.8359597498390082e-262
9
-7.561250615295736e+156
-1.350243324689865e+150
-4.919628179067154e+153

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03767
14467
done4467

end0.0ms

sample2.9s

Algorithm
intervals
Results
834.0ms5920×body80valid
598.0ms1055×body2560valid
334.0ms903×body1280valid
313.0ms2893×body80nan
165.0ms459×body640valid
91.0ms220×body320valid
43.0ms85×body5120valid
15.0ms121×body160valid