Details

Time bar (total: 18.5s)

sample183.0ms

Algorithm
intervals
Results
104.0ms105×body1280valid
30.0ms64×body640valid
23.0ms18×body2560valid
9.0ms20×body320valid
4.0ms39×body80valid
2.0ms10×body160valid

simplify16.0ms

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: 35.2b

localize15.0ms

Local error

Found 2 expressions with local error:

3.8b
(sin (+ x eps))
0.6b
(- (sin (+ x eps)) (sin x))

rewrite70.0ms

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
62.0ms
(- (sin (+ x eps)) (sin x))
8.0ms
(sin (+ x eps))

series71.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
51.0ms
(- (sin (+ x eps)) (sin x))
20.0ms
(sin (+ x eps))

simplify783.0ms

Counts
13 → 32
Calls
13 calls:
Slowest
379.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
229.0ms
(- (+ x eps) (* 1/6 (pow x 3)))
58.0ms
(* (sin (/ (- (+ x eps) x) 2)) (cos (/ (+ (+ x eps) x) 2)))
36.0ms
(/ (exp (sin (+ x eps))) (exp (sin x)))
15.0ms
(- (sin (+ x eps)) (sin x))

prune318.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.3b

localize44.0ms

Local error

Found 4 expressions with local error:

4.0b
(cos (/ (+ x (+ eps x)) 2))
0.3b
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
0.0b
(+ x (+ eps x))
0.0b
(* 2 (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2))))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
11×pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt add-log-exp
add-cube-cbrt
associate-*l*
associate-*r* pow-prod-down prod-exp cbrt-unprod insert-posit16
sum-log distribute-lft-out
*-commutative
+-commutative associate-+r+ flip3-+ flip-+ unswap-sqr
Counts
4 → 62
Calls
4 calls:
Slowest
41.0ms
(cos (/ (+ x (+ eps x)) 2))
21.0ms
(* 2 (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2))))
16.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
12.0ms
(+ x (+ eps x))

series286.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
111.0ms
(* 2 (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2))))
89.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
46.0ms
(+ x (+ eps x))
40.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify3.0s

Counts
35 → 74
Calls
35 calls:
Slowest
622.0ms
(* (* (* 2 2) 2) (* (* (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2))) (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))) (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))))
470.0ms
(* (* (* 2 2) 2) (* (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2)))))
386.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
375.0ms
(* (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
260.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))

prune668.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.2b

localize50.0ms

Local error

Found 4 expressions with local error:

4.0b
(cos (/ (+ x (+ eps x)) 2))
4.0b
(cos (/ (+ x (+ eps x)) 2))
4.0b
(cos (/ (+ x (+ eps x)) 2))
0.5b
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))

rewrite121.0ms

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
Counts
4 → 36
Calls
4 calls:
Slowest
39.0ms
(cos (/ (+ x (+ eps x)) 2))
28.0ms
(cos (/ (+ x (+ eps x)) 2))
28.0ms
(cos (/ (+ x (+ eps x)) 2))
25.0ms
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))

series148.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
43.0ms
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))
40.0ms
(cos (/ (+ x (+ eps x)) 2))
39.0ms
(cos (/ (+ x (+ eps x)) 2))
25.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.4s

Counts
15 → 48
Calls
15 calls:
Slowest
265.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
262.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
246.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
224.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
59.0ms
(cos (* 1/2 (+ (* 2 x) eps)))

prune563.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.2b

localize73.0ms

Local error

Found 4 expressions with local error:

4.0b
(cos (/ (+ x (+ eps x)) 2))
4.0b
(cos (/ (+ x (+ eps x)) 2))
4.0b
(cos (/ (+ x (+ eps x)) 2))
4.0b
(cos (/ (+ x (+ eps x)) 2))

rewrite95.0ms

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
Counts
4 → 32
Calls
4 calls:
Slowest
26.0ms
(cos (/ (+ x (+ eps x)) 2))
25.0ms
(cos (/ (+ x (+ eps x)) 2))
22.0ms
(cos (/ (+ x (+ eps x)) 2))
21.0ms
(cos (/ (+ x (+ eps x)) 2))

series133.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
42.0ms
(cos (/ (+ x (+ eps x)) 2))
35.0ms
(cos (/ (+ x (+ eps x)) 2))
28.0ms
(cos (/ (+ x (+ eps x)) 2))
28.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.3s

Counts
12 → 44
Calls
12 calls:
Slowest
262.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
258.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
247.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
221.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
56.0ms
(cos (* 1/2 (+ (* 2 x) eps)))

prune705.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.2b

regimes239.0ms

Accuracy

98.8% (0.2b remaining)

Error of 0.6b against oracle of 0.4b and baseline of 15.3b

bsearch321.0ms

end0.0ms

sample7.7s

Algorithm
intervals
Results
3.8s3332×body1280valid
1.4s606×body2560valid
1.3s1806×body640valid
667.0ms761×body320valid
184.0ms1131×body80valid
141.0ms364×body160valid