Details

Time bar (total: 12.2s)

sample51.0ms

Algorithm
intervals
Results
30.0ms92×body1280valid
8.0ms136×body80valid
3.0ms17×body640valid
1.0msbody320valid
0.0msbody160valid

simplify12.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
12.0ms
(- (atan (+ N 1)) (atan N))

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.1b

localize21.0ms

Local error

Found 2 expressions with local error:

1.2b
(- (atan (+ N 1)) (atan N))
0.0b
(atan (+ N 1))

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:
Slowest
10.0ms
(- (atan (+ N 1)) (atan N))
2.0ms
(atan (+ N 1))

series22.0ms

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

simplify1.6s

Counts
32 → 46
Calls
32 calls:
Slowest
220.0ms
(fma (* (cbrt (atan (+ N 1))) (cbrt (atan (+ N 1)))) (cbrt (atan (+ N 1))) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
182.0ms
(fma (sqrt (atan (+ N 1))) (sqrt (atan (+ N 1))) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
173.0ms
(fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))
129.0ms
(fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))
106.0ms
(fma 1 (atan (+ N 1)) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))

prune388.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.1b

localize11.0ms

Local error

Found 2 expressions with local error:

0.1b
(atan2 1 (fma N (+ N 1) 1))
0.0b
(fma N (+ N 1) 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:
Slowest
0.0ms
(atan2 1 (fma N (+ N 1) 1))
0.0ms
(fma N (+ N 1) 1)

series25.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
23.0ms
(fma N (+ N 1) 1)
2.0ms
(atan2 1 (fma N (+ N 1) 1))

simplify163.0ms

Counts
6 → 27
Calls
6 calls:
Slowest
32.0ms
(atan2 1 (fma N (+ N 1) 1))
30.0ms
(atan2 1 (fma N (+ N 1) 1))
28.0ms
(+ N (+ (pow N 2) 1))
27.0ms
(+ N (+ (pow N 2) 1))
26.0ms
(+ N (+ (pow N 2) 1))

prune187.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

localize33.0ms

Local error

Found 4 expressions with local error:

14.5b
(cbrt (fma N (+ N 1) 1))
14.5b
(cbrt (fma N (+ N 1) 1))
14.5b
(cbrt (fma N (+ N 1) 1))
0.2b
(* (cbrt (fma N (+ N 1) 1)) (cbrt (fma N (+ N 1) 1)))

rewrite21.0ms

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:
Slowest
15.0ms
(* (cbrt (fma N (+ N 1) 1)) (cbrt (fma N (+ N 1) 1)))
1.0ms
(cbrt (fma N (+ N 1) 1))
1.0ms
(cbrt (fma N (+ N 1) 1))
1.0ms
(cbrt (fma N (+ N 1) 1))

series253.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
75.0ms
(cbrt (fma N (+ N 1) 1))
67.0ms
(cbrt (fma N (+ N 1) 1))
61.0ms
(* (cbrt (fma N (+ N 1) 1)) (cbrt (fma N (+ N 1) 1)))
49.0ms
(cbrt (fma N (+ N 1) 1))

simplify3.8s

Counts
65 → 97
Calls
65 calls:
Slowest
380.0ms
(+ (* 2/3 (pow N 1/3)) (+ (pow (/ 1 N) -4/3) (* 5/9 (pow (/ 1 (pow N 2)) 1/3))))
252.0ms
(+ (* 1/3 (pow (/ 1 N) 1/3)) (+ (pow (/ -1 N) -2/3) (* 2/9 (pow (/ 1 (pow N 4)) 1/3))))
222.0ms
(* (fma N (+ N 1) 1) (fma N (+ N 1) 1))
209.0ms
(+ (* 1/3 (pow (/ 1 N) 1/3)) (+ (pow (/ -1 N) -2/3) (* 2/9 (pow (/ 1 (pow N 4)) 1/3))))
197.0ms
(+ (* 1/3 (pow (/ 1 N) 1/3)) (+ (pow (/ 1 N) -2/3) (* 2/9 (pow (/ 1 (pow N 4)) 1/3))))

prune821.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.1b

localize38.0ms

Local error

Found 4 expressions with local error:

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

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube pow1/3 add-exp-log insert-posit16 log1p-expm1-u add-log-exp
Counts
4 → 56
Calls
4 calls:
Slowest
1.0ms
(cbrt (fma N (+ N 1) 1))
1.0ms
(cbrt (fma N (+ N 1) 1))
1.0ms
(cbrt (fma N (+ N 1) 1))
1.0ms
(cbrt (fma N (+ N 1) 1))

series246.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
74.0ms
(cbrt (fma N (+ N 1) 1))
69.0ms
(cbrt (fma N (+ N 1) 1))
54.0ms
(cbrt (fma N (+ N 1) 1))
49.0ms
(cbrt (fma N (+ N 1) 1))

simplify1.8s

Counts
24 → 68
Calls
24 calls:
Slowest
170.0ms
(+ (* 1/3 (pow (/ 1 N) 1/3)) (+ (pow (/ -1 N) -2/3) (* 2/9 (pow (/ 1 (pow N 4)) 1/3))))
169.0ms
(+ (* 1/3 (pow (/ 1 N) 1/3)) (+ (pow (/ -1 N) -2/3) (* 2/9 (pow (/ 1 (pow N 4)) 1/3))))
167.0ms
(+ (* 1/3 (pow (/ 1 N) 1/3)) (+ (pow (/ -1 N) -2/3) (* 2/9 (pow (/ 1 (pow N 4)) 1/3))))
166.0ms
(+ (* 1/3 (pow (/ 1 N) 1/3)) (+ (pow (/ 1 N) -2/3) (* 2/9 (pow (/ 1 (pow N 4)) 1/3))))
152.0ms
(+ (* 1/3 (pow (/ 1 N) 1/3)) (+ (pow (/ -1 N) -2/3) (* 2/9 (pow (/ 1 (pow N 4)) 1/3))))

prune732.0ms

Pruning

6 alts after pruning (2 fresh and 4 done)

Merged error: 0.1b

regimes61.0ms

Accuracy

0% (0.0b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 0.4b

bsearch1.0ms

end0.0ms

sample2.0s

Algorithm
intervals
Results
1.3s2921×body1280valid
289.0ms3993×body80valid
209.0ms615×body640valid
52.0ms302×body320valid
21.0ms169×body160valid