Details

Time bar (total: 14.7s)

sample68.0ms

Algorithm
intervals
Results
12.0ms206×body80valid
10.0ms29×body2560valid
10.0ms96×body80nan
8.0ms28×body1280valid
3.0ms12×body640valid
1.0msbody320valid
0.0msbody160valid
0.0msbody5120valid

simplify259.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01417
12817
26417
311417
413017
513717
614117
done14117

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.5b

localize16.0ms

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)))))
1.2b
(- (* b b) (* 4.0 (* a c)))
24.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite168.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt times-frac associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
111.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
36.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
9.0ms
(- (* b b) (* 4.0 (* a c)))
9.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series467.0ms

Counts
4 → 12
Calls
4 calls:
144.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
138.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
77.0ms
(- (* b b) (* 4.0 (* a c)))
108.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify3.2s

Counts
89 → 89
Iterations

Useful iterations: 3 (1.5s)

IterNodesCost
01571750
14021650
213221474
349551459
done50001459

prune441.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 7.7b

localize32.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
0.7b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
1.2b
(- (* b b) (* 4.0 (* a c)))
24.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite113.0ms

Algorithm
rewrite-expression-head
Rules
67×times-frac
48×add-sqr-sqrt
47×*-un-lft-identity
27×add-cube-cbrt
25×add-exp-log
13×associate-/r* add-cbrt-cube
12×div-exp
10×distribute-lft-out-- add-log-exp difference-of-squares
associate-/r/
sqrt-prod
flip3-- flip--
pow1
cbrt-undiv distribute-rgt-neg-in div-inv
rec-exp diff-log 1-exp prod-exp associate-/l*
sub-neg sqrt-div
associate--l- neg-sub0 rem-sqrt-square pow-flip frac-2neg sqrt-pow1 pow1/2 neg-log clear-num cbrt-unprod inv-pow
Counts
4 → 125
Calls
4 calls:
55.0ms
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
30.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
9.0ms
(- (* b b) (* 4.0 (* a c)))
13.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series492.0ms

Counts
4 → 12
Calls
4 calls:
209.0ms
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
102.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
73.0ms
(- (* b b) (* 4.0 (* a c)))
107.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.2s

Counts
137 → 137
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02263421
15183066
215412794
done50012684

prune415.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 7.6b

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a))
1.2b
(- (* b b) (* 4.0 (* a c)))
5.1b
(- (/ (- b) (* 2.0 a)) (/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a)))
24.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite147.0ms

Algorithm
rewrite-expression-head
Rules
15×*-un-lft-identity
12×add-sqr-sqrt
10×times-frac
add-exp-log add-cube-cbrt sqrt-prod add-cbrt-cube
add-log-exp
associate-/l*
pow1
flip3-- sqrt-div flip--
div-inv distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square distribute-rgt-out-- distribute-rgt-neg-in frac-2neg sqrt-pow1 pow1/2 div-sub prod-exp clear-num associate-/r* frac-sub cbrt-unprod sub-div difference-of-squares
Counts
4 → 76
Calls
4 calls:
24.0ms
(/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a))
9.0ms
(- (* b b) (* 4.0 (* a c)))
91.0ms
(- (/ (- b) (* 2.0 a)) (/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a)))
19.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series542.0ms

Counts
4 → 12
Calls
4 calls:
169.0ms
(/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a))
77.0ms
(- (* b b) (* 4.0 (* a c)))
169.0ms
(- (/ (- b) (* 2.0 a)) (/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a)))
127.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.2s

Counts
88 → 88
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01651798
14171643
213021511
done50001506

prune321.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 7.6b

localize26.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (* b b) (* 4.0 (* a c)))
2.0b
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
15.1b
(/ (+ 0 (* (* 4.0 a) c)) (* 2.0 a))
24.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite111.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
pow1
times-frac sqrt-prod associate-/l*
cbrt-undiv flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/ distribute-lft-out
+-commutative neg-sub0 associate-+l- sub-neg rem-sqrt-square distribute-rgt-neg-in frac-2neg sqrt-pow1 pow1/2 diff-log neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 65
Calls
4 calls:
18.0ms
(- (* b b) (* 4.0 (* a c)))
35.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
38.0ms
(/ (+ 0 (* (* 4.0 a) c)) (* 2.0 a))
18.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series283.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(- (* b b) (* 4.0 (* a c)))
97.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
12.0ms
(/ (+ 0 (* (* 4.0 a) c)) (* 2.0 a))
112.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.0s

Counts
77 → 77
Iterations

Useful iterations: 2 (316.0ms)

IterNodesCost
01471241
13751068
21670950
done5001950

prune360.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 7.6b

regimes259.0ms

Accuracy

94.7% (1.3b remaining)

Error of 6.8b against oracle of 5.5b and baseline of 29.4b

bsearch297.0ms

Steps
ItersRangePoint
9
1.2073698495971617e+61
8.75865749938149e+67
5.099089738165329e+67
10
1.610059141238142e-239
1.618698210595833e-224
2.094358742794728e-239
10
-3.742210988141449e+103
-1.0235731023437291e+92
-3.359953003549157e+103

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03464
14364
done4364

end0.0ms

sample3.2s

Algorithm
intervals
Results
604.0ms1047×body2560valid
592.0ms5837×body80valid
550.0ms2844×body80nan
499.0ms897×body1280valid
201.0ms466×body640valid
100.0ms112×body5120valid
57.0ms106×body160valid
49.0ms241×body320valid