Details

Time bar (total: 25.8s)

sample97.0ms

Algorithm
intervals
Results
22.0ms26×body2560valid
20.0ms182×body80valid
19.0ms35×body1280valid
9.0ms91×body80nan
6.0ms15×body640valid
3.0msbody5120valid
2.0msbody320valid
1.0msbody160valid

simplify145.0ms

Counts
1 → 1
Iterations
IterNodes
8134
7134
6132
5129
4126
3103
262
128
014

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.5b

localize45.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
1.0b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.6b
(- (* b b) (* 4 (* a c)))
24.0b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite150.0ms

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-- insert-posit16 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 → 81
Calls
4 calls:
88.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
31.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
16.0ms
(- (* b b) (* 4 (* a c)))
13.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series402.0ms

Counts
4 → 12
Calls
4 calls:
129.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
100.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
62.0ms
(- (* b b) (* 4 (* a c)))
111.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.9s

Counts
93 → 93
Iterations
IterNodes
34241
21197
1400
0154

prune1.1s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.8b

localize52.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
1.0b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.6b
(- (* b b) (* 4 (* a c)))
24.0b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite137.0ms

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
insert-posit16
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 → 129
Calls
4 calls:
64.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
30.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
17.0ms
(- (* b b) (* 4 (* a c)))
21.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series457.0ms

Counts
4 → 12
Calls
4 calls:
175.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
132.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
56.0ms
(- (* b b) (* 4 (* a c)))
94.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify4.0s

Counts
141 → 141
Iterations
IterNodes
36394
21609
1554
0229

prune1.7s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.7b

localize50.0ms

Local error

Found 4 expressions with local error:

1.0b
(+ (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.6b
(- (* b b) (* 4 (* a c)))
15.3b
(* (- 0 (* -4 (* a c))) (/ 1/2 a))
24.0b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite77.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
17×*-un-lft-identity
13×associate-*r* add-cube-cbrt
10×times-frac add-log-exp
add-cbrt-cube add-exp-log
pow1
flip3-- insert-posit16 flip--
associate-*l* sqrt-prod
frac-times sum-log sqrt-div associate-*l/ prod-exp cbrt-unprod distribute-lft-out unswap-sqr
distribute-lft-neg-out neg-sub0 cbrt-undiv +-commutative rem-sqrt-square sub-neg distribute-rgt-neg-in sqrt-pow1 flip3-+ pow1/2 diff-log div-exp pow-prod-down neg-log associate-*r/ *-commutative associate-+l- flip-+ div-inv sub0-neg
Counts
4 → 83
Calls
4 calls:
25.0ms
(+ (- b) (sqrt (- (* b b) (* 4 (* a c)))))
8.0ms
(- (* b b) (* 4 (* a c)))
29.0ms
(* (- 0 (* -4 (* a c))) (/ 1/2 a))
14.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series287.0ms

Counts
4 → 12
Calls
4 calls:
114.0ms
(+ (- b) (sqrt (- (* b b) (* 4 (* a c)))))
60.0ms
(- (* b b) (* 4 (* a c)))
20.0ms
(* (- 0 (* -4 (* a c))) (/ 1/2 a))
93.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify4.3s

Counts
95 → 95
Iterations
IterNodes
36135
21480
1474
0181

prune1.3s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.7b

localize46.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (* 2 c) (+ (- b) (sqrt (- (* b b) (* 4 (* a c))))))
1.0b
(+ (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.6b
(- (* b b) (* 4 (* a c)))
24.0b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite98.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 associate-/r* times-frac
insert-posit16
distribute-rgt-neg-in sqrt-prod
cbrt-undiv sum-log flip3-+ flip3-- sqrt-div div-exp associate-/r/ flip-+ flip--
neg-sub0 +-commutative rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log neg-log prod-exp associate-+l- cbrt-unprod div-inv associate-/l*
Counts
4 → 73
Calls
4 calls:
63.0ms
(/ (* 2 c) (+ (- b) (sqrt (- (* b b) (* 4 (* a c))))))
14.0ms
(+ (- b) (sqrt (- (* b b) (* 4 (* a c)))))
8.0ms
(- (* b b) (* 4 (* a c)))
11.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series624.0ms

Counts
4 → 12
Calls
4 calls:
291.0ms
(/ (* 2 c) (+ (- b) (sqrt (- (* b b) (* 4 (* a c))))))
143.0ms
(+ (- b) (sqrt (- (* b b) (* 4 (* a c)))))
77.0ms
(- (* b b) (* 4 (* a c)))
113.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify2.4s

Counts
85 → 85
Iterations
IterNodes
34579
21216
1383
0145

prune930.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 5.6b

regimes479.0ms

Accuracy

94.3% (1.4b remaining)

Error of 7.2b against oracle of 5.8b and baseline of 29.8b

bsearch295.0ms

Steps
ItersRangePoint
6
2.332248586404817e+54
2.734436825826664e+55
2.6656023684116586e+55
9
3.982835295656457e-262
3.0659571773327548e-257
4.0232110844075136e-262
7
-4.611849920572465e+95
-3.3021145473587595e+93
-3.575938583654324e+94

simplify12.0ms

Iterations
IterNodes
244
144
037

end0.0ms

sample4.7s

Algorithm
intervals
Results
1.3s5890×body80valid
1.3s1042×body2560valid
717.0ms935×body1280valid
399.0ms2913×body80nan
300.0ms476×body640valid
126.0ms109×body5120valid
107.0ms203×body320valid
59.0ms107×body160valid