Details

Time bar (total: 16.5s)

sample165.0ms

Algorithm
intervals
Results
75.0ms108×body1280valid
47.0ms19×body2560valid
20.0ms48×body640valid
8.0ms25×body320valid
4.0ms42×body80valid
3.0ms14×body160valid

simplify9.0ms

Calls
1 calls:
Slowest
9.0ms
(- (sin (+ x eps)) (sin x))

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.9b

localize15.0ms

Local error

Found 2 expressions with local error:

3.0b
(sin (+ x eps))
1.6b
(- (sin (+ x eps)) (sin x))

rewrite10.0ms

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
Calls
2 calls:
Slowest
7.0ms
(- (sin (+ x eps)) (sin x))
2.0ms
(sin (+ x eps))

series77.0ms

Calls
2 calls:
Slowest
63.0ms
(- (sin (+ x eps)) (sin x))
15.0ms
(sin (+ x eps))

simplify597.0ms

Calls
13 calls:
Slowest
347.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
66.0ms
(- (+ x eps) (* 1/6 (pow x 3)))
54.0ms
(/ (exp (sin (+ x eps))) (exp (sin x)))
53.0ms
(* (sin (/ (- (+ x eps) x) 2)) (cos (/ (+ (+ x eps) x) 2)))
14.0ms
(- (sin (+ x eps)) (sin x))

prune241.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.5b

localize24.0ms

Local error

Found 3 expressions with local error:

2.9b
(cos (/ (+ x (+ eps x)) 2))
0.2b
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
0.0b
(+ x (+ eps x))

rewrite22.0ms

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
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+
Calls
3 calls:
Slowest
15.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
5.0ms
(cos (/ (+ x (+ eps x)) 2))
2.0ms
(+ x (+ eps x))

series112.0ms

Calls
3 calls:
Slowest
65.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
28.0ms
(cos (/ (+ x (+ eps x)) 2))
20.0ms
(+ x (+ eps x))

simplify1.0s

Calls
17 calls:
Slowest
277.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
183.0ms
(- (* 1/2 eps) (+ (* 1/4 (* x (pow eps 2))) (* 1/4 (* (pow x 2) eps))))
159.0ms
(* (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
70.0ms
(* (cos (* 1/2 (+ (* 2 x) eps))) (sin (* 1/2 eps)))
52.0ms
(cos (* 1/2 (+ (* 2 x) eps)))

prune539.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.5b

localize27.0ms

Local error

Found 4 expressions with local error:

2.9b
(cos (/ (+ x (+ eps x)) 2))
2.9b
(cos (/ (+ x (+ eps x)) 2))
2.9b
(cos (/ (+ x (+ eps x)) 2))
0.5b
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 add-log-exp
cbrt-prod cbrt-div pow1/3 pow3 associate-*l/ cos-mult rem-cbrt-cube
Calls
4 calls:
Slowest
14.0ms
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))
3.0ms
(cos (/ (+ x (+ eps x)) 2))
3.0ms
(cos (/ (+ x (+ eps x)) 2))
3.0ms
(cos (/ (+ x (+ eps x)) 2))

series104.0ms

Calls
4 calls:
Slowest
28.0ms
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))
26.0ms
(cos (/ (+ x (+ eps x)) 2))
25.0ms
(cos (/ (+ x (+ eps x)) 2))
24.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.6s

Calls
15 calls:
Slowest
315.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
297.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
294.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
282.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
74.0ms
(cbrt (* (+ (cos (+ (/ (+ x (+ eps x)) 2) (/ (+ x (+ eps x)) 2))) (cos (- (/ (+ x (+ eps x)) 2) (/ (+ x (+ eps x)) 2)))) (cos (/ (+ x (+ eps x)) 2))))

prune669.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.5b

localize24.0ms

Local error

Found 4 expressions with local error:

2.9b
(cos (/ (+ x (+ eps x)) 2))
2.9b
(cos (/ (+ x (+ eps x)) 2))
2.9b
(cos (/ (+ x (+ eps x)) 2))
0.5b
(cbrt (cos (/ (+ x (+ eps x)) 2)))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 add-cbrt-cube add-exp-log insert-posit16 add-log-exp
cbrt-prod
pow1/3
Calls
4 calls:
Slowest
3.0ms
(cos (/ (+ x (+ eps x)) 2))
3.0ms
(cos (/ (+ x (+ eps x)) 2))
3.0ms
(cos (/ (+ x (+ eps x)) 2))
1.0ms
(cbrt (cos (/ (+ x (+ eps x)) 2)))

series165.0ms

Calls
4 calls:
Slowest
95.0ms
(cbrt (cos (/ (+ x (+ eps x)) 2)))
27.0ms
(cos (/ (+ x (+ eps x)) 2))
22.0ms
(cos (/ (+ x (+ eps x)) 2))
21.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.7s

Calls
15 calls:
Slowest
315.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
303.0ms
(- 1 (+ (* 1/6 (* x eps)) (* 1/6 (pow x 2))))
301.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
278.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
61.0ms
(cos (* 1/2 (+ (* 2 x) eps)))

prune651.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.5b

regimes276.0ms

Accuracy

99.5% (0.1b remaining)

Error of 0.4b against oracle of 0.4b and baseline of 14.8b

bsearch302.0ms

end0.0ms

sample8.1s

Algorithm
intervals
Results
4.5s3311×body1280valid
1.4s1826×body640valid
1.4s636×body2560valid
439.0ms814×body320valid
138.0ms1066×body80valid
97.0ms347×body160valid