Details

Time bar (total: 28.0s)

sample234.0ms

Algorithm
intervals
Results
101.0ms39×body2560valid
68.0ms76×body1280valid
27.0ms61×body640valid
7.0ms27×body320valid
5.0ms90×body80valid
3.0ms64×body80nan
2.0ms12×body160valid

simplify2.1s

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

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 44.8b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.3b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
5.1b
(pow (+ 1.0 (/ i n)) n)
11.4b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite1.0s

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:
407.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
240.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
15.0ms
(pow (+ 1.0 (/ i n)) n)
370.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.9s

Counts
4 → 12
Calls
4 calls:
591.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
441.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
341.0ms
(pow (+ 1.0 (/ i n)) n)
514.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify1.6s

Counts
333 → 333
Iterations
IterNodes
done5001
11521
0479

prune2.2s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 23.8b

localize53.0ms

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)))
10.9b
(* (* 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))

rewrite132.0ms

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))
35.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
39.0ms
(* (* 0.5 (log 1.0)) (* i i))
41.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

series956.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(fma (* i i) 0.5 (* 1.0 i))
264.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
298.0ms
(* (* 0.5 (log 1.0)) (* i i))
283.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

simplify1.4s

Counts
189 → 189
Iterations
IterNodes
done5001
1972
0314

prune1.4s

Pruning

19 alts after pruning (19 fresh and 0 done)

Merged error: 11.5b

localize37.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 100.0 (* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)))
2.2b
(* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)
10.9b
(* (* (* i i) 0.5) (log 1.0))
11.6b
(* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n))

rewrite207.0ms

Algorithm
rewrite-expression-head
Rules
69×add-exp-log
45×add-cbrt-cube
40×prod-exp
30×pow1
24×cbrt-unprod
20×associate-*l*
19×add-sqr-sqrt
17×*-un-lft-identity add-cube-cbrt
16×pow-prod-down
12×associate-*l/
times-frac associate-*r* associate-*r/
div-exp
log-prod
flip3-- flip--
expm1-log1p-u frac-times cbrt-undiv rec-exp 1-exp *-commutative log1p-expm1-u add-log-exp
distribute-rgt-in distribute-lft-in
log-pow div-inv unswap-sqr
Counts
4 → 131
Calls
4 calls:
88.0ms
(* 100.0 (* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)))
21.0ms
(* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)
60.0ms
(* (* (* i i) 0.5) (log 1.0))
33.0ms
(* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n))

series1.2s

Counts
4 → 12
Calls
4 calls:
253.0ms
(* 100.0 (* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)))
193.0ms
(* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)
201.0ms
(* (* (* i i) 0.5) (log 1.0))
577.0ms
(* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n))

simplify1.1s

Counts
143 → 143
Iterations
IterNodes
done5000
1761
0253

prune856.0ms

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 11.5b

localize46.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (fma i 0.5 1.0) i)
0.1b
(* 100.0 (* (/ (- (fma n (log 1.0) (* (fma i 0.5 1.0) i)) (* (log 1.0) (* (* i i) 0.5))) i) n))
10.2b
(/ (- (fma n (log 1.0) (* (fma i 0.5 1.0) i)) (* (log 1.0) (* (* i i) 0.5))) i)
10.9b
(* (log 1.0) (* (* i i) 0.5))

rewrite141.0ms

Algorithm
rewrite-expression-head
Rules
26×add-cbrt-cube add-exp-log
21×pow1
18×add-sqr-sqrt
16×*-un-lft-identity add-cube-cbrt
12×prod-exp cbrt-unprod
10×associate-*l* pow-prod-down
times-frac
associate-*r*
expm1-log1p-u log1p-expm1-u add-log-exp
associate-/r* *-commutative associate-/l*
cbrt-undiv div-exp associate-/l/
clear-num frac-2neg flip3-- div-sub associate-*l/ associate-*r/ log-pow div-inv flip-- unswap-sqr
Counts
4 → 99
Calls
4 calls:
10.0ms
(* (fma i 0.5 1.0) i)
47.0ms
(* 100.0 (* (/ (- (fma n (log 1.0) (* (fma i 0.5 1.0) i)) (* (log 1.0) (* (* i i) 0.5))) i) n))
27.0ms
(/ (- (fma n (log 1.0) (* (fma i 0.5 1.0) i)) (* (log 1.0) (* (* i i) 0.5))) i)
50.0ms
(* (log 1.0) (* (* i i) 0.5))

series692.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(* (fma i 0.5 1.0) i)
234.0ms
(* 100.0 (* (/ (- (fma n (log 1.0) (* (fma i 0.5 1.0) i)) (* (log 1.0) (* (* i i) 0.5))) i) n))
184.0ms
(/ (- (fma n (log 1.0) (* (fma i 0.5 1.0) i)) (* (log 1.0) (* (* i i) 0.5))) i)
187.0ms
(* (log 1.0) (* (* i i) 0.5))

simplify2.1s

Counts
111 → 111
Iterations
IterNodes
done5001
22608
1518
0198

prune626.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 11.5b

regimes385.0ms

Accuracy

55% (10.3b remaining)

Error of 21.4b against oracle of 11.1b and baseline of 34.0b

bsearch658.0ms

Steps
ItersRangePoint
9
7.674138475383248
1698412.1750747235
11.911866918652608
10
1.748216843554884e-276
2.202367239653683e-265
4.681047647742426e-271
10
-3.124575090294561e-11
-2.0990955826697636e-21
-3.0764933618318215e-11

simplify17.0ms

Iterations
IterNodes
done73
173
055

end0.0ms

sample6.9s

Algorithm
intervals
Results
2.4s2448×body1280valid
2.2s967×body2560valid
809.0ms1652×body640valid
530.0ms867×body320valid
218.0ms3015×body80valid
181.0ms2204×body80nan
59.0ms409×body160valid
44.0ms10×body5120valid