Details

Time bar (total: 38.8s)

sample136.0ms

Algorithm
intervals
Results
31.0ms36×body2560valid
27.0ms177×body80valid
20.0ms81×body80nan
19.0ms25×body1280valid
11.0ms19×body640valid
4.0msbody320valid
3.0msbody5120valid
1.0msbody160valid

simplify187.0ms

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

prune28.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.2b

localize48.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
1.1b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.2b
(- (* b b) (* 4 (* a c)))
23.5b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite136.0ms

Algorithm
rewrite-expression-head
Rules
61×add-sqr-sqrt prod-diff
60×*-un-lft-identity
48×add-cube-cbrt
36×sqrt-prod
24×distribute-rgt-neg-in
21×distribute-lft-neg-in
11×fma-neg
10×add-log-exp
add-cbrt-cube add-exp-log
neg-mul-1 times-frac associate-/l*
distribute-lft-out-- difference-of-squares
pow1
expm1-log1p-u flip3-- insert-posit16 log1p-expm1-u flip--
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 → 161
Calls
4 calls:
84.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
30.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
9.0ms
(- (* b b) (* 4 (* a c)))
11.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series367.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
82.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
57.0ms
(- (* b b) (* 4 (* a c)))
101.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify5.3s

Counts
173 → 173
Iterations
IterNodes
36465
21699
1595
0239

prune2.5s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.2b

localize43.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (/ a 1/2) (- (+ (sqrt (fma -4 (* a c) (* b b))) b))))
1.1b
(+ (sqrt (fma -4 (* a c) (* b b))) b)
1.2b
(fma -4 (* a c) (* b b))
23.5b
(sqrt (fma -4 (* a c) (* b b)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
1542×times-frac
876×*-un-lft-identity
667×add-sqr-sqrt
666×add-cube-cbrt
208×distribute-lft-neg-in distribute-rgt-neg-in
162×associate-/r*
105×distribute-lft-out
53×div-inv
52×neg-mul-1
25×add-exp-log
15×div-exp
13×add-cbrt-cube
associate-/r/
distribute-neg-frac
pow1 cbrt-undiv fma-def sqrt-prod add-log-exp
flip3-+ flip-+
expm1-log1p-u insert-posit16 log1p-expm1-u
rec-exp 1-exp associate-/l*
+-commutative rem-sqrt-square clear-num sum-log frac-2neg sqrt-pow1 pow1/2 fma-udef pow-flip inv-pow
Counts
4 → 727
Calls
4 calls:
27.0ms
(/ 1 (/ (/ a 1/2) (- (+ (sqrt (fma -4 (* a c) (* b b))) b))))
6.0ms
(+ (sqrt (fma -4 (* a c) (* b b))) b)
0.0ms
(fma -4 (* a c) (* b b))
1.0ms
(sqrt (fma -4 (* a c) (* b b)))

series559.0ms

Counts
4 → 12
Calls
4 calls:
187.0ms
(/ 1 (/ (/ a 1/2) (- (+ (sqrt (fma -4 (* a c) (* b b))) b))))
146.0ms
(+ (sqrt (fma -4 (* a c) (* b b))) b)
95.0ms
(fma -4 (* a c) (* b b))
131.0ms
(sqrt (fma -4 (* a c) (* b b)))

simplify2.9s

Counts
739 → 739
Iterations
IterNodes
12796
01032

prune10.3s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 6.2b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
1.1b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.2b
(- (* b b) (* 4 (* a c)))
23.5b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
68×add-sqr-sqrt
62×*-un-lft-identity
61×prod-diff
54×add-cube-cbrt
35×sqrt-prod
23×distribute-rgt-neg-in
21×distribute-lft-neg-in
13×associate-*r*
11×fma-neg
10×times-frac add-log-exp
add-cbrt-cube add-exp-log
pow1 neg-mul-1 associate-*l*
flip3-- flip--
expm1-log1p-u insert-posit16 log1p-expm1-u distribute-lft-out-- difference-of-squares
diff-log
frac-times sub-neg sqrt-div associate-*l/ prod-exp cbrt-unprod unswap-sqr
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square sqrt-pow1 pow1/2 div-exp pow-prod-down neg-log associate-*r/ *-commutative div-inv
Counts
4 → 169
Calls
4 calls:
63.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
23.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
9.0ms
(- (* b b) (* 4 (* a c)))
10.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series441.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
144.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
74.0ms
(- (* b b) (* 4 (* a c)))
108.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify3.2s

Counts
181 → 181
Iterations
IterNodes
36100
21805
1643
0262

prune2.4s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.2b

localize75.0ms

Local error

Found 4 expressions with local error:

1.0b
(/ 1 (/ 1 (sqrt 1/2)))
1.1b
(+ (sqrt (fma -4 (* c a) (* b b))) b)
1.2b
(fma -4 (* c a) (* b b))
23.5b
(sqrt (fma -4 (* c a) (* b b)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
84×*-un-lft-identity
83×add-sqr-sqrt
82×add-cube-cbrt
42×sqrt-prod
23×add-exp-log
22×associate-/r*
14×div-exp
add-cbrt-cube
pow1 pow-flip
rec-exp 1-exp
fma-def add-log-exp
div-inv
expm1-log1p-u insert-posit16 log1p-expm1-u
cbrt-undiv associate-/l*
sqrt-pow1 pow1/2 inv-pow
+-commutative rem-sqrt-square clear-num sum-log frac-2neg flip3-+ associate-/r/ flip-+ fma-udef distribute-lft-out remove-double-div
Counts
4 → 174
Calls
4 calls:
16.0ms
(/ 1 (/ 1 (sqrt 1/2)))
12.0ms
(+ (sqrt (fma -4 (* c a) (* b b))) b)
0.0ms
(fma -4 (* c a) (* b b))
2.0ms
(sqrt (fma -4 (* c a) (* b b)))

series316.0ms

Counts
4 → 10
Calls
4 calls:
0.0ms
(/ 1 (/ 1 (sqrt 1/2)))
118.0ms
(+ (sqrt (fma -4 (* c a) (* b b))) b)
60.0ms
(fma -4 (* c a) (* b b))
138.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify857.0ms

Counts
184 → 184
Iterations
IterNodes
32026
2907
1548
0246

prune2.6s

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 6.2b

regimes520.0ms

Accuracy

84.9% (4.3b remaining)

Error of 10.1b against oracle of 5.8b and baseline of 34.1b

bsearch316.0ms

Steps
ItersRangePoint
6
8.723340275486535e+149
1.060972495465945e+151
1.4404833532724588e+150
11
-5.190492772730695e-87
-3.518766096303871e-111
-4.32337788234514e-89

simplify8.0ms

Iterations
IterNodes
342
242
141
030

end0.0ms

sample5.3s

Algorithm
intervals
Results
1.7s1119×body2560valid
1000.0ms5783×body80valid
744.0ms901×body1280valid
512.0ms128×body5120valid
495.0ms2863×body80nan
302.0ms471×body640valid
100.0ms230×body320valid
30.0ms108×body160valid