Details

Time bar (total: 13.1s)

sample43.0ms

Algorithm
intervals
Results
11.0ms37×body2560valid
8.0ms195×body80valid
4.0ms21×body1280valid
3.0ms81×body80nan
3.0ms19×body640valid
1.0msbody5120valid
0.0msbody320valid
0.0msbody160valid

simplify53.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01417
12417
24416
37816
49016
59816
done9816

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.9b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) 2.0) a)
0.4b
(- (* b b) (* 4.0 (* a c)))
1.1b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
20.6b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
121×add-sqr-sqrt
94×*-un-lft-identity
68×add-cube-cbrt
26×difference-of-squares
22×associate-/l*
16×sqrt-prod
13×distribute-lft-out--
add-exp-log add-cbrt-cube
add-log-exp
pow1 div-inv
cbrt-undiv flip3-- div-exp associate-/r* flip--
sub-neg sqrt-div diff-log div-sub
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num associate-/l/
Counts
4 → 149
Calls
4 calls:
39.0ms
(/ (/ (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) 2.0) a)
3.0ms
(- (* b b) (* 4.0 (* a c)))
18.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series300.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(/ (/ (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) 2.0) a)
44.0ms
(- (* b b) (* 4.0 (* a c)))
79.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
71.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify861.0ms

Counts
161 → 161
Iterations

Useful iterations: done (855.0ms)

IterNodesCost
02784083
16633911
219403753
done50003752

prune430.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.6b

localize13.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ 1 1) (/ a (/ (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) 2.0)))
0.4b
(- (* b b) (* 4.0 (* a c)))
1.1b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
20.6b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite199.0ms

Algorithm
rewrite-expression-head
Rules
3251×times-frac
1760×add-sqr-sqrt
1505×*-un-lft-identity
1251×add-cube-cbrt
254×difference-of-squares
130×sqrt-prod
129×div-inv
127×distribute-lft-out--
71×associate-/r*
64×add-exp-log
54×div-exp
25×add-cbrt-cube
15×cbrt-undiv 1-exp associate-/r/
13×associate-/l*
add-log-exp
rec-exp
pow1
flip3-- flip--
sub-neg sqrt-div diff-log
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num associate-/l/
Counts
4 → 1088
Calls
4 calls:
52.0ms
(/ (/ 1 1) (/ a (/ (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) 2.0)))
3.0ms
(- (* b b) (* 4.0 (* a c)))
18.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series336.0ms

Counts
4 → 12
Calls
4 calls:
140.0ms
(/ (/ 1 1) (/ a (/ (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) 2.0)))
43.0ms
(- (* b b) (* 4.0 (* a c)))
77.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
75.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify4.4s

Counts
1100 → 1100
Iterations

Useful iterations: done (4.4s)

IterNodesCost
0148147686
1442938020
done500137966

prune614.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.5b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) (/ 1 (/ a (/ 1 2.0))))
0.4b
(- (* b b) (* 4.0 (* a c)))
1.1b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
20.6b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite159.0ms

Algorithm
rewrite-expression-head
Rules
348×times-frac
195×add-sqr-sqrt
166×*-un-lft-identity
156×add-cube-cbrt
137×associate-*r*
56×add-exp-log
28×div-exp
18×add-cbrt-cube
16×prod-exp
13×div-inv
unswap-sqr
rec-exp 1-exp add-log-exp
pow1
cbrt-undiv associate-*l*
flip3-- sqrt-prod flip--
associate-/r/ cbrt-unprod difference-of-squares
frac-times sub-neg sqrt-div diff-log associate-*l/ distribute-lft-out--
rem-sqrt-square sqrt-pow1 pow1/2 associate-*r/ pow-prod-down un-div-inv *-commutative
Counts
4 → 229
Calls
4 calls:
118.0ms
(* (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) (/ 1 (/ a (/ 1 2.0))))
3.0ms
(- (* b b) (* 4.0 (* a c)))
18.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series309.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(* (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) (/ 1 (/ a (/ 1 2.0))))
48.0ms
(- (* b b) (* 4.0 (* a c)))
79.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
74.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.2s

Counts
241 → 241
Iterations

Useful iterations: done (1.2s)

IterNodesCost
05115892
113864536
230524258
done50004257

prune659.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 5.5b

localize14.0ms

Local error

Found 4 expressions with local error:

1.1b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
1.1b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
20.6b
(sqrt (- (* b b) (* 4.0 (* a c))))
20.6b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×*-un-lft-identity
sqrt-prod add-log-exp
pow1 add-cube-cbrt
add-exp-log flip3-- sqrt-div add-cbrt-cube flip-- difference-of-squares
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
18.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
18.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series304.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
80.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
72.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))
71.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.3s

Counts
72 → 72
Iterations

Useful iterations: 3 (310.0ms)

IterNodesCost
0801248
11891104
25991036
320251028
done50001028

prune242.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.5b

regimes178.0ms

Accuracy

83.3% (4.8b remaining)

Error of 10.4b against oracle of 5.6b and baseline of 34.3b

bsearch136.0ms

Steps
ItersRangePoint
10
3.056596725548563e-78
7.076105677608322e-63
3.446447862996811e-75
10
-1.852183237050365e+100
-1.9127319211193897e+86
-4.123103533644211e+95

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02942
13642
done3642

end0.0ms

sample1.2s

Algorithm
intervals
Results
263.0ms1096×body2560valid
247.0ms5880×body80valid
164.0ms852×body1280valid
112.0ms2945×body80nan
70.0ms471×body640valid
33.0ms109×body5120valid
26.0ms211×body320valid
8.0ms107×body160valid