Details

Time bar (total: 16.0s)

sample95.0ms

Algorithm
intervals
Results
16.0ms35×body2560valid
15.0ms190×body80valid
11.0ms29×body1280valid
7.0ms92×body80nan
5.0ms16×body640valid
2.0msbody320valid
1.0msbody5120valid
1.0msbody160valid

simplify128.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
01217
12217
24216
38216
410416
511216
done11216

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.5b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* b b) (* (* 3.0 a) c))
0.5b
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
1.1b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
22.0b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite207.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
27×*-un-lft-identity
21×add-cube-cbrt
19×prod-diff
18×sqrt-prod
add-exp-log add-cbrt-cube
add-log-exp
fma-neg
times-frac associate-/l* difference-of-squares
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
distribute-lft-out--
cbrt-undiv sub-neg sqrt-div diff-log div-exp associate-/l/
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 106
Calls
4 calls:
11.0ms
(- (* b b) (* (* 3.0 a) c))
120.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
59.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
12.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series421.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(- (* b b) (* (* 3.0 a) c))
163.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
116.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
89.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.5s

Counts
118 → 118
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01952476
14752171
214171877
done50001791

prune372.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.7b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* b b) (* 3.0 (* a c)))
0.5b
(/ (- (sqrt (- (* b b) (* 3.0 (* a c)))) b) (* 3.0 a))
1.1b
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
22.0b
(sqrt (- (* b b) (* 3.0 (* a c))))

rewrite285.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
27×*-un-lft-identity
21×add-cube-cbrt
19×prod-diff
18×sqrt-prod
add-exp-log add-cbrt-cube
add-log-exp
fma-neg
times-frac associate-/l* difference-of-squares
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
distribute-lft-out--
cbrt-undiv sub-neg sqrt-div diff-log div-exp associate-/l/
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 106
Calls
4 calls:
10.0ms
(- (* b b) (* 3.0 (* a c)))
152.0ms
(/ (- (sqrt (- (* b b) (* 3.0 (* a c)))) b) (* 3.0 a))
98.0ms
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
21.0ms
(sqrt (- (* b b) (* 3.0 (* a c))))

series449.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(- (* b b) (* 3.0 (* a c)))
157.0ms
(/ (- (sqrt (- (* b b) (* 3.0 (* a c)))) b) (* 3.0 a))
116.0ms
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
107.0ms
(sqrt (- (* b b) (* 3.0 (* a c))))

simplify1.3s

Counts
118 → 118
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01942476
14772171
214071863
done50011791

prune386.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 4.7b

localize18.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 3.0 (* a c))
0.2b
(- (* b b) (* 3.0 (* a c)))
1.1b
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
22.0b
(sqrt (- (* b b) (* 3.0 (* a c))))

rewrite138.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
19×prod-diff
16×sqrt-prod
10×pow1
add-exp-log add-cbrt-cube
add-log-exp
fma-neg
expm1-log1p-u log1p-expm1-u
flip3-- associate-*l* pow-prod-down prod-exp flip-- cbrt-unprod
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*r* *-commutative distribute-lft-out--
Counts
4 → 94
Calls
4 calls:
24.0ms
(* 3.0 (* a c))
10.0ms
(- (* b b) (* 3.0 (* a c)))
80.0ms
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
18.0ms
(sqrt (- (* b b) (* 3.0 (* a c))))

series301.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(* 3.0 (* a c))
69.0ms
(- (* b b) (* 3.0 (* a c)))
107.0ms
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
101.0ms
(sqrt (- (* b b) (* 3.0 (* a c))))

simplify2.9s

Counts
106 → 106
Iterations

Useful iterations: 3 (1.5s)

IterNodesCost
01581860
13621561
210161332
339751245
done50001245

prune341.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 4.7b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* b b) (* 3.0 (* a c)))
0.3b
(* (/ 1 3.0) (/ (- (sqrt (- (* b b) (* 3.0 (* a c)))) b) a))
1.1b
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
22.0b
(sqrt (- (* b b) (* 3.0 (* a c))))

rewrite295.0ms

Algorithm
rewrite-expression-head
Rules
70×add-sqr-sqrt
46×*-un-lft-identity
36×add-cube-cbrt
34×times-frac
26×add-exp-log
22×associate-*r*
19×prod-diff sqrt-prod
16×add-cbrt-cube
13×associate-*l*
div-exp prod-exp add-log-exp difference-of-squares
pow1 fma-neg
unswap-sqr
cbrt-undiv expm1-log1p-u cbrt-unprod log1p-expm1-u distribute-lft-out--
flip3-- flip--
sub-neg rec-exp sqrt-div diff-log 1-exp div-inv
frac-times rem-sqrt-square sqrt-pow1 pow1/2 associate-*r/ pow-prod-down associate-*l/ *-commutative
Counts
4 → 141
Calls
4 calls:
20.0ms
(- (* b b) (* 3.0 (* a c)))
162.0ms
(* (/ 1 3.0) (/ (- (sqrt (- (* b b) (* 3.0 (* a c)))) b) a))
89.0ms
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
12.0ms
(sqrt (- (* b b) (* 3.0 (* a c))))

series437.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(- (* b b) (* 3.0 (* a c)))
133.0ms
(* (/ 1 3.0) (/ (- (sqrt (- (* b b) (* 3.0 (* a c)))) b) a))
129.0ms
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
115.0ms
(sqrt (- (* b b) (* 3.0 (* a c))))

simplify1.6s

Counts
153 → 153
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02603336
16652916
220122489
done50002418

prune495.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 4.6b

regimes423.0ms

Accuracy

84.2% (4.6b remaining)

Error of 10.0b against oracle of 5.4b and baseline of 34.2b

bsearch236.0ms

Steps
ItersRangePoint
11
1.5906747666251227e-34
6.100620313640196e-08
1.611450844781215e-34
9
-6.354265220965125e+156
-1.769171722317776e+149
-1.074189026339084e+154

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02740
13340
done3340

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.2s5881×body80valid
883.0ms849×body1280valid
563.0ms1076×body2560valid
215.0ms467×body640valid
202.0ms2915×body80nan
62.0ms106×body5120valid
45.0ms214×body320valid
17.0ms121×body160valid