Details

Time bar (total: 23.9s)

sample237.0ms

Algorithm
intervals
Results
124.0ms106×body1280valid
45.0ms61×body640valid
33.0ms17×body2560valid
13.0ms28×body320valid
5.0ms35×body80valid
3.0msbody160valid

simplify17.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
16.0ms
(- (sin (+ x eps)) (sin x))

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.9b

localize26.0ms

Local error

Found 2 expressions with local error:

4.4b
(sin (+ x eps))
1.0b
(- (sin (+ x eps)) (sin x))

rewrite92.0ms

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 sin-sum add-exp-log insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 42
Calls
2 calls:
Slowest
48.0ms
(- (sin (+ x eps)) (sin x))
43.0ms
(sin (+ x eps))

series83.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
58.0ms
(- (sin (+ x eps)) (sin x))
25.0ms
(sin (+ x eps))

simplify2.1s

Counts
33 → 48
Calls
33 calls:
Slowest
254.0ms
(- (+ x eps) (* 1/6 (pow x 3)))
199.0ms
(fma (sqrt (sin (+ x eps))) (sqrt (sin (+ x eps))) (- (* (cbrt (sin x)) (* (cbrt (sin x)) (cbrt (sin x))))))
198.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
164.0ms
(fma (* (cbrt (sin (+ x eps))) (cbrt (sin (+ x eps)))) (cbrt (sin (+ x eps))) (- (* (cbrt (sin x)) (* (cbrt (sin x)) (cbrt (sin x))))))
157.0ms
(fma 1 (sin (+ x eps)) (- (* (cbrt (sin x)) (* (cbrt (sin x)) (cbrt (sin x))))))

prune424.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.5b

localize26.0ms

Local error

Found 3 expressions with local error:

4.3b
(cos (/ (+ x (+ eps x)) 2))
0.2b
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
0.0b
(+ x (+ eps x))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
add-sqr-sqrt add-log-exp
add-cube-cbrt
pow1 add-cbrt-cube add-exp-log
expm1-log1p-u sum-log fma-def associate-*r* associate-*l* insert-posit16 log1p-expm1-u distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
3 → 52
Calls
3 calls:
Slowest
24.0ms
(cos (/ (+ x (+ eps x)) 2))
20.0ms
(+ x (+ eps x))
11.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))

series522.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
392.0ms
(cos (/ (+ x (+ eps x)) 2))
102.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
29.0ms
(+ x (+ eps x))

simplify1.5s

Counts
25 → 61
Calls
25 calls:
Slowest
435.0ms
(* (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
390.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
163.0ms
(- (* 1/2 eps) (+ (* 1/4 (* x (pow eps 2))) (* 1/4 (* (pow x 2) eps))))
54.0ms
(* (cos (* 1/2 (+ (* 2 x) eps))) (sin (* 1/2 eps)))
46.0ms
(+ (log (cos (/ (+ x (+ eps x)) 2))) (log (sin (/ eps 2))))

prune657.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.4b

localize44.0ms

Local error

Found 2 expressions with local error:

4.3b
(cos (fma 1/2 eps x))
0.2b
(* (cos (fma 1/2 eps x)) (sin (/ eps 2)))

rewrite17.0ms

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*
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cos-sum pow-prod-down prod-exp *-commutative cbrt-unprod fma-udef unswap-sqr
Counts
2 → 32
Calls
2 calls:
Slowest
12.0ms
(* (cos (fma 1/2 eps x)) (sin (/ eps 2)))
5.0ms
(cos (fma 1/2 eps x))

series82.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
60.0ms
(* (cos (fma 1/2 eps x)) (sin (/ eps 2)))
21.0ms
(cos (fma 1/2 eps x))

simplify1.3s

Counts
17 → 38
Calls
17 calls:
Slowest
438.0ms
(* (* (* (cos (fma 1/2 eps x)) (cos (fma 1/2 eps x))) (cos (fma 1/2 eps x))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
403.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/8 (pow eps 2))))
221.0ms
(- (* 1/2 eps) (+ (* 1/12 (pow eps 3)) (* 1/4 (* x (pow eps 2)))))
36.0ms
(* (sqrt (cos (fma 1/2 eps x))) (sqrt (sin (/ eps 2))))
25.0ms
(* (cbrt (cos (fma 1/2 eps x))) (cbrt (cos (fma 1/2 eps x))))

prune507.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize69.0ms

Local error

Found 4 expressions with local error:

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

rewrite267.0ms

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
expm1-log1p-u associate-*l/ insert-posit16 log1p-expm1-u
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-- frac-sub flip-- sub-div
sub-neg fma-neg diff-log prod-diff
Counts
4 → 88
Calls
4 calls:
Slowest
156.0ms
(* (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))) (sin (/ eps 2)))
40.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
36.0ms
(* (sin (* 1/2 eps)) (sin x))
33.0ms
(* (cos (* 1/2 eps)) (cos x))

series439.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
192.0ms
(* (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))) (sin (/ eps 2)))
122.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
73.0ms
(* (sin (* 1/2 eps)) (sin x))
51.0ms
(* (cos (* 1/2 eps)) (cos x))

simplify5.9s

Counts
55 → 100
Calls
55 calls:
Slowest
733.0ms
(* (* (* (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
692.0ms
(* (- (+ (cos (+ (* 1/2 eps) x)) (cos (- (* 1/2 eps) x))) (- (cos (- (* 1/2 eps) x)) (cos (+ (* 1/2 eps) x)))) (sin (/ eps 2)))
506.0ms
(- (* (+ (cos (+ (* 1/2 eps) x)) (cos (- (* 1/2 eps) x))) 2) (* 2 (- (cos (- (* 1/2 eps) x)) (cos (+ (* 1/2 eps) x)))))
431.0ms
(* (* (* (cos (* 1/2 eps)) (cos (* 1/2 eps))) (cos (* 1/2 eps))) (* (* (cos x) (cos x)) (cos x)))
394.0ms
(* (* (* (sin (* 1/2 eps)) (sin (* 1/2 eps))) (sin (* 1/2 eps))) (* (* (sin x) (sin x)) (sin x)))

prune1.4s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

regimes193.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch4.0ms

end0.0ms

sample7.9s

Algorithm
intervals
Results
3.7s3285×body1280valid
1.7s1870×body640valid
1.3s618×body2560valid
752.0ms793×body320valid
144.0ms1103×body80valid
100.0ms331×body160valid