Details

Time bar (total: 11.3s)

sample76.0ms

Algorithm
intervals
Results
33.0ms85×body1280valid
17.0ms22×body640valid
12.0ms136×body80valid
3.0ms10×body320valid
1.0msbody160valid

simplify9.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.6b

localize21.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
1.8b
(- (atan (+ N 1)) (atan N))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
add-log-exp
fma-neg
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 40
Calls
2 calls:
2.0ms
(atan (+ N 1))
10.0ms
(- (atan (+ N 1)) (atan N))

series22.0ms

Counts
2 → 6
Calls
2 calls:
3.0ms
(atan (+ N 1))
19.0ms
(- (atan (+ N 1)) (atan N))

simplify1.2s

Counts
46 → 46
Iterations
IterNodes
42081
3752
2286
1138
067

prune238.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma N (+ 1 N) 1)
0.1b
(atan2 1 (fma N (+ 1 N) 1))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 log1p-expm1-u add-log-exp
fma-udef
Counts
2 → 21
Calls
2 calls:
0.0ms
(fma N (+ 1 N) 1)
0.0ms
(atan2 1 (fma N (+ 1 N) 1))

series28.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(fma N (+ 1 N) 1)
2.0ms
(atan2 1 (fma N (+ 1 N) 1))

simplify4.2s

Counts
27 → 27
Iterations
IterNodes
55729
4886
3225
283
151
033

prune141.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (cbrt (fma N (+ 1 N) 1)) (cbrt (fma N (+ 1 N) 1)))
15.0b
(cbrt (fma N (+ 1 N) 1))
15.0b
(cbrt (fma N (+ 1 N) 1))
15.0b
(cbrt (fma N (+ 1 N) 1))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
11×pow1
pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 85
Calls
4 calls:
8.0ms
(* (cbrt (fma N (+ 1 N) 1)) (cbrt (fma N (+ 1 N) 1)))
1.0ms
(cbrt (fma N (+ 1 N) 1))
1.0ms
(cbrt (fma N (+ 1 N) 1))
1.0ms
(cbrt (fma N (+ 1 N) 1))

series189.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(* (cbrt (fma N (+ 1 N) 1)) (cbrt (fma N (+ 1 N) 1)))
46.0ms
(cbrt (fma N (+ 1 N) 1))
43.0ms
(cbrt (fma N (+ 1 N) 1))
49.0ms
(cbrt (fma N (+ 1 N) 1))

simplify820.0ms

Counts
97 → 97
Iterations
IterNodes
42416
31040
2489
1208
093

prune624.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize35.0ms

Local error

Found 4 expressions with local error:

14.5b
(sqrt (fma N (+ 1 N) 1))
15.0b
(cbrt (fma N (+ 1 N) 1))
15.0b
(cbrt (fma N (+ 1 N) 1))
15.0b
(cbrt (fma N (+ 1 N) 1))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3 sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
1.0ms
(sqrt (fma N (+ 1 N) 1))
1.0ms
(cbrt (fma N (+ 1 N) 1))
1.0ms
(cbrt (fma N (+ 1 N) 1))
1.0ms
(cbrt (fma N (+ 1 N) 1))

series170.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(sqrt (fma N (+ 1 N) 1))
45.0ms
(cbrt (fma N (+ 1 N) 1))
44.0ms
(cbrt (fma N (+ 1 N) 1))
50.0ms
(cbrt (fma N (+ 1 N) 1))

simplify1.2s

Counts
70 → 70
Iterations
IterNodes
52306
41157
3602
2281
1133
066

prune660.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

regimes32.0ms

Accuracy

0% (0.0b remaining)

Error of 0.4b against oracle of 0.4b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
26
16
05

end0.0ms

sample1.5s

Algorithm
intervals
Results
758.0ms2877×body1280valid
386.0ms587×body640valid
212.0ms4059×body80valid
43.0ms320×body320valid
15.0ms157×body160valid