Details

Time bar (total: 36.0s)

sample269.0ms

Algorithm
intervals
Results
106.0ms89×body1280valid
90.0ms35×body2560valid
24.0ms46×body640valid
15.0ms86×body80valid
9.0ms33×body320valid
4.0ms73×body80nan
1.0msbody160valid

simplify1.7s

Counts
1 → 1
Iterations
IterNodes
done5000
51593
4364
3144
260
125
010

prune25.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 45.6b

localize37.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.6b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
5.3b
(pow (+ 1.0 (/ i n)) n)
11.4b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
320×times-frac
305×add-sqr-sqrt
222×*-un-lft-identity
156×add-cube-cbrt
96×associate-*r*
84×difference-of-squares
48×unpow-prod-down
33×sqr-pow
28×distribute-lft-out--
24×prod-diff
19×add-exp-log
18×add-cbrt-cube
17×div-inv
13×associate-/r*
fma-neg
pow1 associate-/l*
cbrt-undiv div-exp add-log-exp
distribute-lft-out
expm1-log1p-u log1p-expm1-u
pow-unpow associate-*l* prod-exp cbrt-unprod unswap-sqr
flip3-- associate-/r/ flip-- associate-/l/
pow-to-exp clear-num sub-neg pow-pow frac-2neg diff-log div-sub pow-prod-down pow-exp associate-*r/ *-commutative
Counts
4 → 321
Calls
4 calls:
431.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
289.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
15.0ms
(pow (+ 1.0 (/ i n)) n)
388.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.8s

Counts
4 → 12
Calls
4 calls:
487.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
344.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
343.0ms
(pow (+ 1.0 (/ i n)) n)
585.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify932.0ms

Counts
333 → 333
Iterations
IterNodes
done5001
11521
0479

prune2.2s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 22.6b

localize54.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (* i i) 0.5 (* 1.0 i))
0.1b
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
8.2b
(* (* 0.5 (log 1.0)) (* i i))
18.8b
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
144×times-frac
91×add-sqr-sqrt
82×*-un-lft-identity add-cube-cbrt
45×associate-*r*
30×add-cbrt-cube add-exp-log
18×pow1
13×associate-/r*
11×prod-exp cbrt-unprod
pow-prod-down div-inv
cbrt-undiv div-exp
expm1-log1p-u associate-*l* log1p-expm1-u add-log-exp
associate-/l* unswap-sqr
associate-/r/ *-commutative associate-/l/
clear-num frac-2neg flip3-- div-sub associate-*r/ fma-udef flip--
Counts
4 → 177
Calls
4 calls:
0.0ms
(fma (* i i) 0.5 (* 1.0 i))
58.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
38.0ms
(* (* 0.5 (log 1.0)) (* i i))
23.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

series887.0ms

Counts
4 → 12
Calls
4 calls:
88.0ms
(fma (* i i) 0.5 (* 1.0 i))
297.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
255.0ms
(* (* 0.5 (log 1.0)) (* i i))
246.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

simplify971.0ms

Counts
189 → 189
Iterations
IterNodes
done5001
1972
0314

prune1.6s

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 10.7b

localize50.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i) n)
0.1b
(* 100.0 (- (* (/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i) n) (* (/ (* (* (* i i) 0.5) (log 1.0)) i) n)))
7.7b
(/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i)
8.2b
(* (* (* i i) 0.5) (log 1.0))

rewrite173.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
25×*-un-lft-identity add-cube-cbrt
22×add-cbrt-cube add-exp-log
19×times-frac
18×pow1
17×associate-*l*
11×associate-*r*
prod-exp cbrt-unprod
pow-prod-down
distribute-rgt-in log-prod distribute-lft-in
associate-*l/
expm1-log1p-u associate-*r/ log1p-expm1-u add-log-exp
associate-/r* *-commutative associate-/l* unswap-sqr
cbrt-undiv sub-neg div-exp prod-diff div-inv
clear-num frac-2neg flip3-- distribute-rgt-out-- log-pow frac-sub flip-- sub-div
Counts
4 → 124
Calls
4 calls:
25.0ms
(* (/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i) n)
45.0ms
(* 100.0 (- (* (/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i) n) (* (/ (* (* (* i i) 0.5) (log 1.0)) i) n)))
6.0ms
(/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i)
90.0ms
(* (* (* i i) 0.5) (log 1.0))

series734.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(* (/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i) n)
256.0ms
(* 100.0 (- (* (/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i) n) (* (/ (* (* (* i i) 0.5) (log 1.0)) i) n)))
105.0ms
(/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i)
258.0ms
(* (* (* i i) 0.5) (log 1.0))

simplify2.4s

Counts
136 → 136
Iterations
IterNodes
done5000
23710
1644
0246

prune990.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 10.7b

localize113.0ms

Local error

Found 4 expressions with local error:

8.2b
(* (* (* i i) 0.5) (log 1.0))
8.4b
(cbrt (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))))
8.4b
(cbrt (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))))
8.4b
(cbrt (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
14×pow1
13×add-cbrt-cube add-exp-log
10×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
cbrt-prod
cbrt-div log-prod pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u associate-*r* log1p-expm1-u add-log-exp
distribute-rgt-in distribute-lft-in flip3-- pow1/3 flip--
associate-*l* log-pow *-commutative
Counts
4 → 75
Calls
4 calls:
75.0ms
(* (* (* i i) 0.5) (log 1.0))
2.0ms
(cbrt (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))))
2.0ms
(cbrt (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))))
3.0ms
(cbrt (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))))

series10.0s

Counts
4 → 12
Calls
4 calls:
197.0ms
(* (* (* i i) 0.5) (log 1.0))
3.0s
(cbrt (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))))
3.2s
(cbrt (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))))
3.5s
(cbrt (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))))

simplify1.1s

Counts
87 → 87
Iterations
IterNodes
done5001
21979
1355
0136

prune761.0ms

Pruning

16 alts after pruning (14 fresh and 2 done)

Merged error: 10.7b

regimes346.0ms

Accuracy

53.9% (10.5b remaining)

Error of 21.5b against oracle of 11.0b and baseline of 33.8b

bsearch278.0ms

Steps
ItersRangePoint
9
3.0812599035097804e-09
7.830610238325062
4.039962480132393
9
-69051.06592837533
-4.7512835972832904e-05
-0.008529206764181105

simplify5.0ms

Iterations
IterNodes
done52
152
037

end0.0ms

sample7.3s

Algorithm
intervals
Results
2.7s962×body2560valid
2.4s2469×body1280valid
719.0ms1584×body640valid
467.0ms2251×body80nan
260.0ms3111×body80valid
207.0ms878×body320valid
107.0ms451×body160valid
46.0ms11×body5120valid