Details

Time bar (total: 24.5s)

sample130.0ms

Algorithm
intervals
Results
38.0ms26×body2560valid
23.0ms182×body80valid
22.0ms35×body1280valid
12.0ms91×body80nan
7.0ms15×body640valid
4.0msbody5120valid
3.0msbody320valid
1.0msbody160valid

simplify156.0ms

Counts
1 → 1
Iterations
IterNodes
8142
7142
6140
5135
4130
3110
263
129
014

prune15.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.5b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (* -4 a) c (* b b))
0.1b
(/ (- (- b) (sqrt (fma (* -4 a) c (* b b)))) a)
1.0b
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
24.0b
(sqrt (fma (* -4 a) c (* b b)))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
79×add-sqr-sqrt
78×*-un-lft-identity
60×prod-diff
58×add-cube-cbrt
38×sqrt-prod
26×distribute-rgt-neg-in
21×distribute-lft-neg-in times-frac
10×fma-neg distribute-lft-out-- difference-of-squares
add-log-exp
neg-mul-1 associate-/l*
add-cbrt-cube add-exp-log
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-- diff-log flip-- associate-/l/
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log fma-udef div-inv
Counts
4 → 167
Calls
4 calls:
0.0ms
(fma (* -4 a) c (* b b))
44.0ms
(/ (- (- b) (sqrt (fma (* -4 a) c (* b b)))) a)
13.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))

series455.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(fma (* -4 a) c (* b b))
153.0ms
(/ (- (- b) (sqrt (fma (* -4 a) c (* b b)))) a)
107.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
112.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify1.6s

Counts
179 → 179
Iterations
IterNodes
33080
21153
1497
0222

prune2.5s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.8b

localize51.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ a (- (- b) (sqrt (fma (* -4 a) c (* b b)))))
0.2b
(/ 1 (/ a (- (- b) (sqrt (fma (* -4 a) c (* b b))))))
1.0b
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
24.0b
(sqrt (fma (* -4 a) c (* b b)))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
199×add-sqr-sqrt
198×*-un-lft-identity
186×times-frac
130×add-cube-cbrt
60×prod-diff
50×sqrt-prod
38×distribute-rgt-neg-in
34×associate-/r* distribute-lft-out-- difference-of-squares
21×distribute-lft-neg-in
17×add-exp-log
11×add-cbrt-cube associate-/r/
10×fma-neg
div-exp add-log-exp
neg-mul-1
pow1 flip3-- div-inv flip-- associate-/l*
expm1-log1p-u cbrt-undiv insert-posit16 log1p-expm1-u
rec-exp clear-num frac-2neg diff-log 1-exp
associate--l- neg-sub0 rem-sqrt-square sub-neg sqrt-pow1 pow1/2 neg-log pow-flip inv-pow
Counts
4 → 290
Calls
4 calls:
25.0ms
(/ a (- (- b) (sqrt (fma (* -4 a) c (* b b)))))
25.0ms
(/ 1 (/ a (- (- b) (sqrt (fma (* -4 a) c (* b b))))))
14.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
3.0ms
(sqrt (fma (* -4 a) c (* b b)))

series662.0ms

Counts
4 → 12
Calls
4 calls:
291.0ms
(/ a (- (- b) (sqrt (fma (* -4 a) c (* b b)))))
157.0ms
(/ 1 (/ a (- (- b) (sqrt (fma (* -4 a) c (* b b))))))
93.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
120.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify2.5s

Counts
302 → 302
Iterations
IterNodes
35077
21881
1785
0340

prune4.2s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.8b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma c (* -4 a) (* b b))
0.1b
(/ (- (- b) (sqrt (fma c (* -4 a) (* b b)))) a)
1.0b
(- (- b) (sqrt (fma c (* -4 a) (* b b))))
24.0b
(sqrt (fma c (* -4 a) (* b b)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
79×add-sqr-sqrt
78×*-un-lft-identity
60×prod-diff
58×add-cube-cbrt
38×sqrt-prod
26×distribute-rgt-neg-in
21×distribute-lft-neg-in times-frac
10×fma-neg distribute-lft-out-- difference-of-squares
add-log-exp
neg-mul-1 associate-/l*
add-cbrt-cube add-exp-log
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-- diff-log flip-- associate-/l/
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log fma-udef div-inv
Counts
4 → 167
Calls
4 calls:
0.0ms
(fma c (* -4 a) (* b b))
21.0ms
(/ (- (- b) (sqrt (fma c (* -4 a) (* b b)))) a)
11.0ms
(- (- b) (sqrt (fma c (* -4 a) (* b b))))
1.0ms
(sqrt (fma c (* -4 a) (* b b)))

series397.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(fma c (* -4 a) (* b b))
114.0ms
(/ (- (- b) (sqrt (fma c (* -4 a) (* b b)))) a)
111.0ms
(- (- b) (sqrt (fma c (* -4 a) (* b b))))
96.0ms
(sqrt (fma c (* -4 a) (* b b)))

simplify1.7s

Counts
179 → 179
Iterations
IterNodes
33033
21148
1499
0223

prune2.4s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.8b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (* -2 (/ c b)) 2)
0.0b
(* -2 (/ c b))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
16×add-cbrt-cube add-exp-log
13×times-frac associate-*r*
12×*-un-lft-identity add-cube-cbrt
cbrt-undiv div-exp
pow1 prod-exp cbrt-unprod
associate-/r* associate-*l*
expm1-log1p-u associate-*r/ insert-posit16 log1p-expm1-u div-inv add-log-exp unswap-sqr
clear-num frac-2neg pow-prod-down *-commutative associate-/l* associate-/l/
Counts
2 → 62
Calls
2 calls:
20.0ms
(/ (* -2 (/ c b)) 2)
22.0ms
(* -2 (/ c b))

series66.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(/ (* -2 (/ c b)) 2)
32.0ms
(* -2 (/ c b))

simplify1.1s

Counts
68 → 68
Iterations
IterNodes
32614
2769
1275
0112

prune510.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 5.7b

regimes737.0ms

Accuracy

81.7% (6.2b remaining)

Error of 12.1b against oracle of 5.9b and baseline of 39.6b

bsearch326.0ms

Steps
ItersRangePoint
6
2.332248586404817e+54
2.734436825826664e+55
2.6656023684116586e+55
5
6.064264318896163e-122
1.6648703498210103e-121
1.5983000936606613e-121
8
-7.174637898164774e-44
-1.9059117916534993e-48
-8.544460916074322e-48

simplify51.0ms

Iterations
IterNodes
469
369
267
161
046

end0.0ms

sample4.6s

Algorithm
intervals
Results
1.1s5890×body80valid
975.0ms1042×body2560valid
796.0ms935×body1280valid
528.0ms203×body320valid
475.0ms2913×body80nan
259.0ms476×body640valid
113.0ms109×body5120valid
29.0ms107×body160valid