Details

Time bar (total: 4.4m)

sample122.0ms

Algorithm
intervals
Results
29.0ms186×body80valid
24.0ms41×body2560valid
13.0ms28×body1280valid
10.0ms108×body80nan
6.0ms17×body640valid
3.0msbody5120valid
2.0msbody320valid
1.0msbody160valid

simplify154.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01417
13517
210917
315417
417017
done17017

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.3b

localize26.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.8b
(- (* b b) (* 4.0 (* a c)))
1.2b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
24.0b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite158.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt times-frac 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 frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
101.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
13.0ms
(- (* b b) (* 4.0 (* a c)))
24.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
16.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series400.0ms

Counts
4 → 12
Calls
4 calls:
128.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
63.0ms
(- (* b b) (* 4.0 (* a c)))
112.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
97.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.8s

Counts
89 → 89
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01571750
19711623
done50001482

prune425.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.2b

localize42.0ms

Local error

Found 4 expressions with local error:

1.4b
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
5.1b
(/ (/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (* 2.0 a))
10.3b
(/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
24.0b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite259.0ms

Algorithm
rewrite-expression-head
Rules
77×*-un-lft-identity
66×times-frac
34×add-sqr-sqrt
33×add-cube-cbrt
24×associate-/l*
22×distribute-lft-out
18×add-exp-log add-cbrt-cube
11×distribute-rgt-neg-in
add-log-exp
cbrt-undiv div-exp
associate-/r* associate-/r/
pow1 flip3-+ flip-+
div-inv
sqrt-prod associate-/l/
frac-2neg sqrt-div prod-exp clear-num sum-log cbrt-unprod
+-commutative neg-sub0 associate-+l- rem-sqrt-square flip3-- sqrt-pow1 pow1/2 neg-log flip--
Counts
4 → 131
Calls
4 calls:
23.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
125.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (* 2.0 a))
90.0ms
(/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
13.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series762.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
240.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (* 2.0 a))
300.0ms
(/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
120.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify2.0m

Counts
143 → 143
Iterations

Useful iterations: done (2.0m)

IterNodesCost
02364221
done50003717

prune573.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 5.1b

localize27.0ms

Local error

Found 4 expressions with local error:

1.4b
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
5.2b
(* (/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (/ 1 (* 2.0 a)))
10.3b
(/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
24.0b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite386.0ms

Algorithm
rewrite-expression-head
Rules
58×*-un-lft-identity
51×add-exp-log
34×times-frac
32×add-sqr-sqrt
27×add-cbrt-cube
26×add-cube-cbrt
21×associate-*l*
20×prod-exp
16×div-exp distribute-lft-out
cbrt-undiv distribute-rgt-neg-in cbrt-unprod add-log-exp
pow1 associate-*r*
associate-/r*
rec-exp flip3-+ 1-exp associate-/r/ flip-+
sqrt-prod div-inv associate-/l*
sqrt-div sum-log associate-/l/ unswap-sqr
+-commutative neg-sub0 frac-times associate-+l- rem-sqrt-square flip3-- frac-2neg sqrt-pow1 pow1/2 associate-*r/ pow-prod-down neg-log associate-*l/ clear-num un-div-inv *-commutative flip--
Counts
4 → 132
Calls
4 calls:
41.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
208.0ms
(* (/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (/ 1 (* 2.0 a)))
117.0ms
(/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
9.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series787.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
254.0ms
(* (/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (/ 1 (* 2.0 a)))
294.0ms
(/ (+ 0 (* 4.0 (* a c))) (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
115.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify2.2m

Counts
144 → 144
Iterations

Useful iterations: done (2.2m)

IterNodesCost
02474113
done50003538

prune389.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.1b

localize15.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* b b) (* 4.0 (* a c)))
1.4b
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
14.5b
(/ (* 4.0 (* a c)) (* 2.0 a))
24.0b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
25×add-exp-log add-cbrt-cube
10×add-log-exp
*-un-lft-identity prod-exp cbrt-unprod
cbrt-undiv add-sqr-sqrt div-exp
pow1 add-cube-cbrt
sqrt-prod
flip3-- sqrt-div sum-log flip-- distribute-lft-out
+-commutative neg-sub0 associate-+l- sub-neg rem-sqrt-square distribute-rgt-neg-in frac-2neg sqrt-pow1 flip3-+ times-frac pow1/2 diff-log neg-log clear-num associate-/r* flip-+ div-inv associate-/l*
Counts
4 → 67
Calls
4 calls:
9.0ms
(- (* b b) (* 4.0 (* a c)))
27.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
23.0ms
(/ (* 4.0 (* a c)) (* 2.0 a))
9.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series216.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(- (* b b) (* 4.0 (* a c)))
84.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
11.0ms
(/ (* 4.0 (* a c)) (* 2.0 a))
75.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify6.1s

Counts
79 → 79
Iterations

Useful iterations: done (6.1s)

IterNodesCost
01481248
115871110
done5000975

prune172.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 5.1b

regimes152.0ms

Accuracy

77.2% (5.5b remaining)

Error of 11.3b against oracle of 5.9b and baseline of 30.0b

bsearch90.0ms

Steps
ItersRangePoint
6
1.6855676195581707e-170
7.565529323099765e-170
7.455592343308264e-170
5
-2.3823986784004295e+101
-6.644598008915225e+100
-1.8696623466311214e+101

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02739
13339
done3339

end0.0ms

sample2.5s

Algorithm
intervals
Results
1.0s5893×body80valid
425.0ms1050×body2560valid
281.0ms831×body1280valid
168.0ms2996×body80nan
85.0ms449×body640valid
49.0ms135×body5120valid
43.0ms123×body160valid
30.0ms225×body320valid