Details

Time bar (total: 18.5s)

sample221.0ms

Algorithm
intervals
Results
94.0ms111×body1280valid
46.0ms34×body80valid
31.0ms60×body640valid
27.0ms19×body2560valid
7.0ms22×body320valid
3.0ms10×body160valid

simplify9.0ms

Counts
1 → 1

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.3b

localize23.0ms

Local error

Found 2 expressions with local error:

3.1b
(sin (+ x eps))
1.2b
(- (sin (+ x eps)) (sin x))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-cbrt-cube sin-sum add-exp-log add-cube-cbrt insert-posit16
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 26
Calls
2 calls:
Slowest
45.0ms
(- (sin (+ x eps)) (sin x))
7.0ms
(sin (+ x eps))

series78.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
53.0ms
(- (sin (+ x eps)) (sin x))
25.0ms
(sin (+ x eps))

simplify1.6s

Counts
32 → 32

prune389.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.7b

localize61.0ms

Local error

Found 4 expressions with local error:

3.0b
(cos (/ (+ x (+ x eps)) 2))
0.2b
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
0.2b
(/ (+ x (+ x eps)) 2)
0.0b
(+ x (+ x eps))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
41×*-un-lft-identity
18×add-sqr-sqrt
16×add-cube-cbrt
15×times-frac distribute-lft-out
add-log-exp
add-cbrt-cube add-exp-log
pow1
associate-/l*
insert-posit16
associate-/r* sum-log associate-*r* associate-*l*
flip3-+ flip-+ associate-/l/
cbrt-undiv +-commutative associate-+r+ clear-num frac-2neg div-exp pow-prod-down prod-exp *-commutative cbrt-unprod div-inv sin-cos-mult unswap-sqr
Counts
4 → 82
Calls
4 calls:
Slowest
58.0ms
(/ (+ x (+ x eps)) 2)
24.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
19.0ms
(cos (/ (+ x (+ x eps)) 2))
11.0ms
(+ x (+ x eps))

series184.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
63.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
51.0ms
(/ (+ x (+ x eps)) 2)
37.0ms
(+ x (+ x eps))
33.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify966.0ms

Counts
94 → 94

prune1.2s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.4b

localize36.0ms

Local error

Found 2 expressions with local error:

2.9b
(cos (+ x (* 1/2 eps)))
0.2b
(* (sin (/ eps 2)) (cos (+ x (* 1/2 eps))))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
associate-*r* associate-*l*
insert-posit16 add-log-exp
cos-sum pow-prod-down prod-exp *-commutative cbrt-unprod sin-cos-mult unswap-sqr
Counts
2 → 29
Calls
2 calls:
Slowest
32.0ms
(* (sin (/ eps 2)) (cos (+ x (* 1/2 eps))))
12.0ms
(cos (+ x (* 1/2 eps)))

series100.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
62.0ms
(* (sin (/ eps 2)) (cos (+ x (* 1/2 eps))))
38.0ms
(cos (+ x (* 1/2 eps)))

simplify1.7s

Counts
35 → 35

prune477.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize89.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin (/ eps 2)) (- (* (cos x) (cos (* 1/2 eps))) (* (sin x) (sin (* 1/2 eps)))))
0.2b
(* (sin x) (sin (* 1/2 eps)))
0.1b
(- (* (cos x) (cos (* 1/2 eps))) (* (sin x) (sin (* 1/2 eps))))
0.1b
(* (cos x) (cos (* 1/2 eps)))

rewrite202.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
associate-*r* associate-*l*
add-log-exp
cos-mult sin-mult
associate-*r/ insert-posit16
sub-neg pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
distribute-rgt-in distribute-lft-in flip3-- frac-sub flip-- sub-div
diff-log
Counts
4 → 82
Calls
4 calls:
Slowest
116.0ms
(* (sin (/ eps 2)) (- (* (cos x) (cos (* 1/2 eps))) (* (sin x) (sin (* 1/2 eps)))))
35.0ms
(- (* (cos x) (cos (* 1/2 eps))) (* (sin x) (sin (* 1/2 eps))))
31.0ms
(* (cos x) (cos (* 1/2 eps)))
18.0ms
(* (sin x) (sin (* 1/2 eps)))

series463.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
182.0ms
(* (sin (/ eps 2)) (- (* (cos x) (cos (* 1/2 eps))) (* (sin x) (sin (* 1/2 eps)))))
137.0ms
(- (* (cos x) (cos (* 1/2 eps))) (* (sin x) (sin (* 1/2 eps))))
75.0ms
(* (cos x) (cos (* 1/2 eps)))
69.0ms
(* (sin x) (sin (* 1/2 eps)))

simplify1.4s

Counts
94 → 94

prune1.4s

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.0b

regimes342.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch6.0ms

end0.0ms

sample7.3s

Algorithm
intervals
Results
3.5s3321×body1280valid
1.3s615×body2560valid
1.3s1827×body640valid
650.0ms726×body320valid
178.0ms1145×body80valid
120.0ms366×body160valid