Details

Time bar (total: 19.0s)

sample102.0ms

Algorithm
intervals
Results
32.0ms36×body2560valid
15.0ms189×body80valid
10.0ms25×body1280valid
8.0ms104×body80nan
5.0ms16×body640valid
1.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify197.0ms

Counts
1 → 1
Iterations
IterNodes
done164
6164
5160
4153
3121
264
129
014

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.6b

localize40.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.7b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
0.8b
(- (* b b) (* 4.0 (* a c)))
26.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite208.0ms

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-- 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 → 157
Calls
4 calls:
129.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
46.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
9.0ms
(- (* b b) (* 4.0 (* a c)))
14.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series481.0ms

Counts
4 → 12
Calls
4 calls:
153.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
106.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
87.0ms
(- (* b b) (* 4.0 (* a c)))
135.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify2.0s

Counts
169 → 169
Iterations
IterNodes
done5001
22466
1610
0241

prune932.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 7.5b

localize31.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
0.7b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
0.8b
(- (* b b) (* 4.0 (* a c)))
26.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite217.0ms

Algorithm
rewrite-expression-head
Rules
61×prod-diff
60×add-sqr-sqrt
57×*-un-lft-identity
49×add-cube-cbrt
35×sqrt-prod
23×distribute-rgt-neg-in add-exp-log
21×distribute-lft-neg-in
13×add-cbrt-cube
11×fma-neg
10×prod-exp add-log-exp
pow1 neg-mul-1 associate-*r* associate-*l*
flip3-- flip--
expm1-log1p-u div-exp cbrt-unprod log1p-expm1-u distribute-lft-out-- difference-of-squares
times-frac diff-log
frac-times cbrt-undiv rec-exp sub-neg sqrt-div 1-exp associate-*l/
associate--l- neg-sub0 rem-sqrt-square sqrt-pow1 pow1/2 pow-prod-down neg-log associate-*r/ un-div-inv *-commutative div-inv unswap-sqr
Counts
4 → 165
Calls
4 calls:
147.0ms
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
38.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
15.0ms
(- (* b b) (* 4.0 (* a c)))
12.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series424.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
120.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
54.0ms
(- (* b b) (* 4.0 (* a c)))
102.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify2.5s

Counts
177 → 177
Iterations
IterNodes
done5001
23015
1684
0267

prune1.2s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 7.5b

localize23.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.7b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
0.8b
(- (* b b) (* 4.0 (* a c)))
26.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite157.0ms

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-- 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 → 157
Calls
4 calls:
80.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
43.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
14.0ms
(- (* b b) (* 4.0 (* a c)))
14.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series390.0ms

Counts
4 → 12
Calls
4 calls:
141.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
98.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
67.0ms
(- (* b b) (* 4.0 (* a c)))
84.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify2.1s

Counts
169 → 169
Iterations
IterNodes
done5001
22466
1610
0241

prune762.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 7.5b

localize55.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* b b) (* 4.0 (* a c)))
15.9b
(/ (+ (- (* b b) (* b b)) (* a (* c 4.0))) (* a 2.0))
20.3b
(- (* b b) (* b b))
26.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
add-cbrt-cube add-exp-log
add-sqr-sqrt add-log-exp
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u log1p-expm1-u
times-frac flip3-- sqrt-prod flip-- associate-/l*
cbrt-undiv sub-neg fma-neg sqrt-div diff-log div-exp prod-diff associate-/l/
rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 flip3-+ distribute-rgt-out-- pow1/2 +-inverses div-sub prod-exp associate-+l- cbrt-unprod flip-+ div-inv distribute-lft-out-- difference-of-squares
Counts
4 → 79
Calls
4 calls:
8.0ms
(- (* b b) (* 4.0 (* a c)))
98.0ms
(/ (+ (- (* b b) (* b b)) (* a (* c 4.0))) (* a 2.0))
13.0ms
(- (* b b) (* b b))
12.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series204.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(- (* b b) (* 4.0 (* a c)))
25.0ms
(/ (+ (- (* b b) (* b b)) (* a (* c 4.0))) (* a 2.0))
2.0ms
(- (* b b) (* b b))
105.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.8s

Counts
91 → 91
Iterations
IterNodes
done5000
22127
1428
0151

prune666.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 7.5b

regimes569.0ms

Accuracy

95.8% (1.0b remaining)

Error of 6.7b against oracle of 5.6b and baseline of 29.6b

bsearch259.0ms

Steps
ItersRangePoint
6
5.84949006905106e+100
6.027833473435204e+101
3.355858625783055e+101
9
-1.4598085821258646e-291
-1.0697531889019586e-297
-1.0850002786366243e-297
6
-1.7989235910837076e+89
-1.4585470499056154e+88
-1.7633154797394035e+89

simplify12.0ms

Iterations
IterNodes
done40
140
033

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.0s1065×body2560valid
923.0ms5822×body80valid
530.0ms948×body1280valid
346.0ms2889×body80nan
220.0ms471×body640valid
65.0ms115×body5120valid
53.0ms241×body320valid
18.0ms107×body160valid