Details

Time bar (total: 28.4s)

sample236.0ms

Algorithm
intervals
Results
85.0ms83×body1280valid
61.0ms22×body2560valid
28.0ms51×body640valid
13.0ms35×body320valid
10.0ms110×body80valid
7.0ms76×body80nan
2.0msbody160valid

simplify3.3s

Counts
1 → 1

prune22.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 41.2b

localize19.0ms

Local error

Found 3 expressions with local error:

8.5b
(/ (fma 100 (pow (+ 1 (/ i n)) n) -100) (/ i n))
4.9b
(pow (+ 1 (/ i n)) n)
0.1b
(fma 100 (pow (+ 1 (/ i n)) n) -100)

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
75×times-frac
49×*-un-lft-identity
47×add-sqr-sqrt add-cube-cbrt
13×associate-/r*
add-exp-log
add-cbrt-cube
div-inv
pow1 unpow-prod-down
expm1-log1p-u cbrt-undiv pow-unpow div-exp insert-posit16 log1p-expm1-u associate-/l* add-log-exp
pow-to-exp clear-num pow-pow frac-2neg pow-exp associate-/r/ fma-udef distribute-lft-out sqr-pow
Counts
3 → 105
Calls
3 calls:
Slowest
16.0ms
(pow (+ 1 (/ i n)) n)
11.0ms
(/ (fma 100 (pow (+ 1 (/ i n)) n) -100) (/ i n))
0.0ms
(fma 100 (pow (+ 1 (/ i n)) n) -100)

series1.1s

Counts
3 → 9
Calls
3 calls:
Slowest
472.0ms
(/ (fma 100 (pow (+ 1 (/ i n)) n) -100) (/ i n))
356.0ms
(pow (+ 1 (/ i n)) n)
303.0ms
(fma 100 (pow (+ 1 (/ i n)) n) -100)

simplify1.7s

Counts
114 → 114

prune1.2s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 12.8b

localize18.0ms

Local error

Found 4 expressions with local error:

8.6b
(/ (fma 100 (exp (* n (log1p (/ i n)))) -100) (/ i n))
8.6b
(* n (log1p (/ i n)))
4.4b
(log1p (/ i n))
2.3b
(fma 100 (exp (* n (log1p (/ i n)))) -100)

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
75×times-frac
50×add-sqr-sqrt
48×*-un-lft-identity add-cube-cbrt
13×associate-/r*
11×add-cbrt-cube add-exp-log
pow1
expm1-log1p-u div-inv
insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv div-exp associate-*r* associate-*l* associate-/l*
log1p-udef clear-num frac-2neg pow-prod-down prod-exp log1p-expm1 associate-/r/ *-commutative cbrt-unprod fma-udef unswap-sqr
Counts
4 → 117
Calls
4 calls:
Slowest
7.0ms
(* n (log1p (/ i n)))
7.0ms
(/ (fma 100 (exp (* n (log1p (/ i n)))) -100) (/ i n))
1.0ms
(log1p (/ i n))
0.0ms
(fma 100 (exp (* n (log1p (/ i n)))) -100)

series881.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
431.0ms
(/ (fma 100 (exp (* n (log1p (/ i n)))) -100) (/ i n))
303.0ms
(fma 100 (exp (* n (log1p (/ i n)))) -100)
78.0ms
(* n (log1p (/ i n)))
68.0ms
(log1p (/ i n))

simplify1.2s

Counts
129 → 129

prune1.3s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 10.8b

localize23.0ms

Local error

Found 4 expressions with local error:

8.6b
(* n (log1p (/ i n)))
4.4b
(log1p (/ i n))
2.3b
(fma 100 (exp (* n (log1p (/ i n)))) -100)
0.1b
(/ (/ (fma 100 (exp (* n (log1p (/ i n)))) -100) i) (/ 1 n))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
421×times-frac
204×add-sqr-sqrt
202×*-un-lft-identity add-cube-cbrt
29×div-inv
28×add-exp-log
18×add-cbrt-cube
16×div-exp
13×associate-/r* associate-/l*
cbrt-undiv
pow1
expm1-log1p-u
insert-posit16 log1p-expm1-u add-log-exp
associate-*r* associate-*l*
rec-exp 1-exp
log1p-udef clear-num frac-2neg pow-prod-down prod-exp log1p-expm1 associate-/r/ *-commutative cbrt-unprod fma-udef unswap-sqr associate-/l/
Counts
4 → 266
Calls
4 calls:
Slowest
19.0ms
(/ (/ (fma 100 (exp (* n (log1p (/ i n)))) -100) i) (/ 1 n))
13.0ms
(* n (log1p (/ i n)))
1.0ms
(log1p (/ i n))
0.0ms
(fma 100 (exp (* n (log1p (/ i n)))) -100)

series886.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
437.0ms
(/ (/ (fma 100 (exp (* n (log1p (/ i n)))) -100) i) (/ 1 n))
293.0ms
(fma 100 (exp (* n (log1p (/ i n)))) -100)
91.0ms
(* n (log1p (/ i n)))
65.0ms
(log1p (/ i n))

simplify925.0ms

Counts
278 → 278

prune2.6s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 10.8b

localize40.0ms

Local error

Found 4 expressions with local error:

46.2b
(posit16->real (real->posit16 (log1p (/ i n))))
8.6b
(* n (posit16->real (real->posit16 (log1p (/ i n)))))
4.4b
(log1p (/ i n))
2.3b
(fma 100 (exp (* n (posit16->real (real->posit16 (log1p (/ i n)))))) -100)

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
expm1-log1p-u
insert-posit16 log1p-expm1-u add-log-exp
associate-*r* associate-*l*
log1p-udef pow-prod-down prod-exp log1p-expm1 *-commutative cbrt-unprod fma-udef remove-posit16 unswap-sqr
Counts
4 → 55
Calls
4 calls:
Slowest
6.0ms
(* n (posit16->real (real->posit16 (log1p (/ i n)))))
0.0ms
(log1p (/ i n))
0.0ms
(posit16->real (real->posit16 (log1p (/ i n))))
0.0ms
(fma 100 (exp (* n (posit16->real (real->posit16 (log1p (/ i n)))))) -100)

series443.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
258.0ms
(fma 100 (exp (* n (posit16->real (real->posit16 (log1p (/ i n)))))) -100)
67.0ms
(* n (posit16->real (real->posit16 (log1p (/ i n)))))
63.0ms
(posit16->real (real->posit16 (log1p (/ i n))))
56.0ms
(log1p (/ i n))

simplify1.5s

Counts
67 → 67

prune1.1s

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 10.8b

regimes234.0ms

Accuracy

45.3% (13.2b remaining)

Error of 26.7b against oracle of 13.5b and baseline of 37.7b

bsearch740.0ms

end0.0ms

sample8.8s

Algorithm
intervals
Results
3.4s2444×body1280valid
2.8s1011×body2560valid
1.1s1612×body640valid
409.0ms3010×body80valid
339.0ms871×body320valid
307.0ms2279×body80nan
136.0ms460×body160valid
37.0msbody5120valid