Details

Time bar (total: 20.2s)

sample104.0ms

Algorithm
intervals
Results
25.0ms198×body80valid
24.0ms34×body2560valid
17.0ms29×body1280valid
11.0ms91×body80nan
5.0msbody640valid
2.0msbody320valid
2.0msbody5120valid
1.0msbody160valid

simplify124.0ms

Counts
1 → 1
Iterations
IterNodes
8102
7102
6101
599
491
373
241
122
012

prune12.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 37.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
1.2b
(- (* b b) (* (* 3 a) c))
1.4b
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
27.8b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
11×add-sqr-sqrt
10×fma-def add-cube-cbrt add-log-exp
add-cbrt-cube add-exp-log
distribute-rgt-neg-in distribute-lft-out
pow1 times-frac associate-/l*
expm1-log1p-u insert-posit16 log1p-expm1-u
distribute-lft-neg-in sqrt-prod
neg-sub0 cbrt-undiv sum-log flip3-+ flip3-- sqrt-div div-exp associate-+l- flip-+ flip-- associate-/l/
+-commutative rem-sqrt-square clear-num associate-/r* neg-mul-1 sub-neg frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub prod-diff neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 94
Calls
4 calls:
85.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
17.0ms
(- (* b b) (* (* 3 a) c))
24.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
10.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series469.0ms

Counts
4 → 12
Calls
4 calls:
155.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
78.0ms
(- (* b b) (* (* 3 a) c))
140.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
96.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify3.2s

Counts
106 → 106
Iterations
IterNodes
34550
21336
1439
0170

prune1.1s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 7.7b

localize35.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* a c) -3)
1.4b
(- (sqrt (fma b b (* (* a c) -3))) b)
1.5b
(fma b b (* (* a c) -3))
27.8b
(sqrt (fma b b (* (* a c) -3)))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
18×prod-diff
16×sqrt-prod
10×pow1
add-cbrt-cube add-exp-log
fma-neg add-log-exp
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-*r* pow-prod-down prod-exp cbrt-unprod
difference-of-squares
rem-sqrt-square sub-neg sqrt-pow1 flip3-- pow1/2 diff-log associate-*l* *-commutative fma-udef flip-- distribute-lft-out--
Counts
4 → 90
Calls
4 calls:
21.0ms
(* (* a c) -3)
8.0ms
(- (sqrt (fma b b (* (* a c) -3))) b)
0.0ms
(fma b b (* (* a c) -3))
1.0ms
(sqrt (fma b b (* (* a c) -3)))

series369.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(* (* a c) -3)
131.0ms
(- (sqrt (fma b b (* (* a c) -3))) b)
74.0ms
(fma b b (* (* a c) -3))
126.0ms
(sqrt (fma b b (* (* a c) -3)))

simplify1.6s

Counts
102 → 102
Iterations
IterNodes
32698
2841
1316
0145

prune855.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 7.7b

localize54.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ 1 (* 3 a))
1.2b
(- (* b b) (* (* 3 a) c))
1.4b
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
27.8b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
15×add-exp-log
14×*-un-lft-identity
11×add-sqr-sqrt
10×fma-def add-cube-cbrt add-log-exp
add-cbrt-cube
pow1
expm1-log1p-u distribute-rgt-neg-in div-exp insert-posit16 log1p-expm1-u
distribute-lft-neg-in times-frac prod-exp sqrt-prod associate-/l*
cbrt-undiv rec-exp sum-log flip3-- sqrt-div 1-exp pow-flip flip-- distribute-lft-out
neg-sub0 +-commutative rem-sqrt-square clear-num associate-/r* neg-mul-1 sub-neg frac-2neg sqrt-pow1 flip3-+ pow1/2 fma-neg diff-log prod-diff pow-prod-down neg-log associate-+l- cbrt-unprod flip-+ div-inv inv-pow
Counts
4 → 94
Calls
4 calls:
17.0ms
(/ 1 (* 3 a))
16.0ms
(- (* b b) (* (* 3 a) c))
31.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
19.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series281.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(/ 1 (* 3 a))
68.0ms
(- (* b b) (* (* 3 a) c))
93.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
99.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify2.4s

Counts
106 → 106
Iterations
IterNodes
33480
21069
1379
0155

prune1.0s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 7.7b

localize40.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ 1/3 a)
1.2b
(- (* b b) (* (* 3 a) c))
1.4b
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
27.8b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite456.0ms

Algorithm
rewrite-expression-head
Rules
20×*-un-lft-identity
17×add-sqr-sqrt
16×add-cube-cbrt
10×fma-def add-log-exp
times-frac
add-cbrt-cube add-exp-log
pow1
expm1-log1p-u distribute-rgt-neg-in insert-posit16 log1p-expm1-u
distribute-lft-neg-in associate-/r* sqrt-prod associate-/l*
sum-log flip3-- sqrt-div flip-- distribute-lft-out
neg-sub0 cbrt-undiv +-commutative rem-sqrt-square clear-num neg-mul-1 sub-neg frac-2neg sqrt-pow1 flip3-+ pow1/2 fma-neg diff-log div-exp prod-diff neg-log associate-+l- flip-+ div-inv
Counts
4 → 93
Calls
4 calls:
4.0ms
(/ 1/3 a)
9.0ms
(- (* b b) (* (* 3 a) c))
17.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
425.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series236.0ms

Counts
4 → 12
Calls
4 calls:
17.0ms
(/ 1/3 a)
46.0ms
(- (* b b) (* (* 3 a) c))
90.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
83.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify1.6s

Counts
105 → 105
Iterations
IterNodes
32933
21022
1352
0156

prune941.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 7.7b

regimes556.0ms

Accuracy

83% (4.8b remaining)

Error of 10.4b against oracle of 5.6b and baseline of 33.5b

bsearch150.0ms

Steps
ItersRangePoint
8
2.764110880089542e-64
2.3245141193625934e-60
2.854741727591693e-61
6
-1.4884796866541563e+36
-1.9318991936063168e+35
-1.4577715279110013e+36

simplify11.0ms

Iterations
IterNodes
234
134
029

end0.0ms

sample4.3s

Algorithm
intervals
Results
1.3s1057×body2560valid
960.0ms5887×body80valid
695.0ms908×body1280valid
384.0ms2991×body80nan
268.0ms444×body640valid
163.0ms109×body5120valid
85.0ms233×body320valid
25.0ms110×body160valid