Details

Time bar (total: 18.2s)

sample227.0ms

Algorithm
intervals
Results
122.0ms94×body1280valid
48.0ms65×body640valid
21.0ms12×body2560valid
11.0ms25×body320valid
6.0ms19×body160valid
6.0ms41×body80valid

simplify17.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
17.0ms
(- (sin (+ x eps)) (sin x))

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.1b

localize26.0ms

Local error

Found 2 expressions with local error:

4.4b
(sin (+ x eps))
1.9b
(- (sin (+ x eps)) (sin x))

rewrite84.0ms

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
69.0ms
(- (sin (+ x eps)) (sin x))
15.0ms
(sin (+ x eps))

series81.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
54.0ms
(- (sin (+ x eps)) (sin x))
27.0ms
(sin (+ x eps))

simplify851.0ms

Counts
13 → 32
Calls
13 calls:
Slowest
408.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
251.0ms
(- (+ x eps) (* 1/6 (pow x 3)))
58.0ms
(* (sin (/ (- (+ x eps) x) 2)) (cos (/ (+ (+ x eps) x) 2)))
37.0ms
(/ (exp (sin (+ x eps))) (exp (sin x)))
19.0ms
(- (sin (+ x eps)) (sin x))

prune268.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.3b

localize30.0ms

Local error

Found 3 expressions with local error:

4.4b
(cos (/ (+ x (+ eps x)) 2))
0.2b
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
0.0b
(+ x (+ eps x))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity
add-log-exp
add-sqr-sqrt
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sum-log associate-*r* associate-*l* insert-posit16 distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
3 → 43
Calls
3 calls:
Slowest
23.0ms
(cos (/ (+ x (+ eps x)) 2))
22.0ms
(+ x (+ eps x))
20.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))

series187.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
114.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
45.0ms
(cos (/ (+ x (+ eps x)) 2))
27.0ms
(+ x (+ eps x))

simplify1.3s

Counts
23 → 52
Calls
23 calls:
Slowest
404.0ms
(* (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
259.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
172.0ms
(- (* 1/2 eps) (+ (* 1/4 (* x (pow eps 2))) (* 1/4 (* (pow x 2) eps))))
57.0ms
(* (cos (* 1/2 (+ (* 2 x) eps))) (sin (* 1/2 eps)))
51.0ms
(* (cos (* 1/2 (+ (* 2 x) eps))) (sin (* 1/2 eps)))

prune625.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.3b

localize37.0ms

Local error

Found 4 expressions with local error:

4.4b
(cos (/ (+ x (+ eps x)) 2))
0.4b
(log (exp (cos (/ (+ x (+ eps x)) 2))))
0.2b
(* (log (exp (cos (/ (+ x (+ eps x)) 2)))) (sin (/ eps 2)))
0.1b
(exp (cos (/ (+ x (+ eps x)) 2)))

rewrite177.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
10×*-un-lft-identity add-cube-cbrt
exp-prod
pow1 log-pow
associate-*l*
add-cbrt-cube add-exp-log
add-log-exp
insert-posit16
log-prod associate-*r*
rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr rem-exp-log
Counts
4 → 59
Calls
4 calls:
Slowest
61.0ms
(* (log (exp (cos (/ (+ x (+ eps x)) 2)))) (sin (/ eps 2)))
46.0ms
(log (exp (cos (/ (+ x (+ eps x)) 2))))
40.0ms
(exp (cos (/ (+ x (+ eps x)) 2)))
28.0ms
(cos (/ (+ x (+ eps x)) 2))

series222.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
82.0ms
(* (log (exp (cos (/ (+ x (+ eps x)) 2)))) (sin (/ eps 2)))
73.0ms
(exp (cos (/ (+ x (+ eps x)) 2)))
35.0ms
(log (exp (cos (/ (+ x (+ eps x)) 2))))
32.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify2.3s

Counts
36 → 71
Calls
36 calls:
Slowest
363.0ms
(* (* (* (log (exp (cos (/ (+ x (+ eps x)) 2)))) (log (exp (cos (/ (+ x (+ eps x)) 2))))) (log (exp (cos (/ (+ x (+ eps x)) 2))))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
295.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
261.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
199.0ms
(- (* 1/2 eps) (+ (* 1/4 (* x (pow eps 2))) (* 1/4 (* (pow x 2) eps))))
163.0ms
(- E (+ (* 1/2 (* x (* E eps))) (* 1/2 (* (pow x 2) E))))

prune795.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.3b

localize39.0ms

Local error

Found 4 expressions with local error:

4.4b
(cos (/ (+ x (+ eps x)) 2))
4.4b
(cos (/ (+ x (+ eps x)) 2))
4.4b
(cos (/ (+ x (+ eps x)) 2))
0.5b
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))

rewrite96.0ms

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
33.0ms
(cos (/ (+ x (+ eps x)) 2))
32.0ms
(cos (/ (+ x (+ eps x)) 2))
19.0ms
(cos (/ (+ x (+ eps x)) 2))
11.0ms
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))

series130.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
39.0ms
(cos (/ (+ x (+ eps x)) 2))
33.0ms
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))
33.0ms
(cos (/ (+ x (+ eps x)) 2))
25.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.5s

Counts
15 → 48
Calls
15 calls:
Slowest
318.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
262.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
242.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
225.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
55.0ms
(cos (* 1/2 (+ (* 2 x) eps)))

prune620.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0.3b

regimes196.0ms

Accuracy

98.4% (0.2b remaining)

Error of 0.6b against oracle of 0.3b and baseline of 15.1b

bsearch85.0ms

end0.0ms

sample8.3s

Algorithm
intervals
Results
4.0s3255×body1280valid
1.7s1904×body640valid
1.2s613×body2560valid
833.0ms763×body320valid
196.0ms1099×body80valid
108.0ms366×body160valid