Details

Time bar (total: 24.6s)

sample306.0ms

Algorithm
intervals
Results
136.0ms99×body1280valid
55.0ms65×body640valid
47.0ms17×body2560valid
38.0ms29×body320valid
6.0ms33×body80valid
5.0ms13×body160valid

simplify8.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.6b

localize18.0ms

Local error

Found 2 expressions with local error:

2.0b
(- (tan (+ x eps)) (tan x))
4.0b
(tan (+ x eps))

rewrite111.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt prod-diff
tan-quot add-log-exp
fma-neg
pow1 add-exp-log expm1-log1p-u tan-sum frac-sub add-cbrt-cube log1p-expm1-u
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 41
Calls
2 calls:
94.0ms
(- (tan (+ x eps)) (tan x))
14.0ms
(tan (+ x eps))

series282.0ms

Counts
2 → 6
Calls
2 calls:
194.0ms
(- (tan (+ x eps)) (tan x))
87.0ms
(tan (+ x eps))

simplify2.3s

Counts
47 → 47
Iterations

Useful iterations: done (2.3s)

IterNodesCost
094720
1194597
2457510
31461450
done5000438

prune150.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 12.3b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (tan x) (tan eps))
0.1b
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
0.2b
(* (tan x) (tan eps))
3.0b
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite208.0ms

Algorithm
rewrite-expression-head
Rules
102×*-un-lft-identity
73×add-sqr-sqrt
66×add-cube-cbrt
61×times-frac
54×prod-diff
18×fma-neg
17×distribute-lft-out
10×associate-/r/
tan-quot
add-exp-log add-cbrt-cube add-log-exp
pow1 flip3-- flip--
div-inv
expm1-log1p-u log1p-expm1-u associate-/l*
fma-def associate-*r* associate-*l* associate-/r* associate-/l/
flip3-+ frac-add flip-+ difference-of-squares
cbrt-undiv +-commutative frac-times sub-neg frac-2neg diff-log associate-*r/ div-exp pow-prod-down associate-*l/ prod-exp clear-num sum-log *-commutative frac-sub cbrt-unprod distribute-lft-out-- unswap-sqr
Counts
4 → 169
Calls
4 calls:
9.0ms
(+ (tan x) (tan eps))
32.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
18.0ms
(* (tan x) (tan eps))
142.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series1.1s

Counts
4 → 12
Calls
4 calls:
125.0ms
(+ (tan x) (tan eps))
320.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
143.0ms
(* (tan x) (tan eps))
548.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify1.5s

Counts
181 → 181
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02404762
15603970
215563555
done50003149

prune666.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 12.2b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (sin x) (cos x))
0.2b
(/ (sin eps) (cos eps))
0.2b
(* (tan x) (tan eps))
6.6b
(- (/ (+ (/ (sin eps) (cos eps)) (/ (sin x) (cos x))) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite540.0ms

Algorithm
rewrite-expression-head
Rules
153×*-un-lft-identity
103×times-frac
86×add-sqr-sqrt
79×add-cube-cbrt
63×prod-diff
24×distribute-lft-out
21×fma-neg
10×add-exp-log add-cbrt-cube
associate-/r/
pow1 associate-/r* div-inv associate-/l* add-log-exp
tan-quot flip3-- flip--
expm1-log1p-u log1p-expm1-u
associate-*r* associate-*l*
cbrt-undiv quot-tan frac-2neg div-exp clear-num difference-of-squares
frac-times sub-neg diff-log associate-*r/ pow-prod-down associate-*l/ prod-exp *-commutative frac-sub cbrt-unprod distribute-lft-out-- unswap-sqr
Counts
4 → 185
Calls
4 calls:
10.0ms
(/ (sin x) (cos x))
9.0ms
(/ (sin eps) (cos eps))
28.0ms
(* (tan x) (tan eps))
477.0ms
(- (/ (+ (/ (sin eps) (cos eps)) (/ (sin x) (cos x))) (- 1 (* (tan x) (tan eps)))) (tan x))

series843.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(/ (sin x) (cos x))
29.0ms
(/ (sin eps) (cos eps))
156.0ms
(* (tan x) (tan eps))
626.0ms
(- (/ (+ (/ (sin eps) (cos eps)) (/ (sin x) (cos x))) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify1.9s

Counts
197 → 197
Iterations

Useful iterations: done (1.9s)

IterNodesCost
03135561
16564674
215884169
done50003547

prune1.0s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 11.2b

localize51.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (tan x) (tan eps))
0.2b
(* (tan x) (tan eps))
0.2b
(* (+ (tan x) (tan eps)) (cos x))
8.1b
(fma (+ (* (tan x) (tan eps)) -1) (sin x) (* (+ (tan x) (tan eps)) (cos x)))

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
12×*-un-lft-identity
10×tan-quot pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
associate-*r*
associate-*l/
expm1-log1p-u log1p-expm1-u add-log-exp
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
frac-times associate-*r/
flip3-+ frac-add flip-+ fma-udef distribute-lft-out
Counts
4 → 80
Calls
4 calls:
17.0ms
(* (tan x) (tan eps))
21.0ms
(* (tan x) (tan eps))
54.0ms
(* (+ (tan x) (tan eps)) (cos x))
1.0ms
(fma (+ (* (tan x) (tan eps)) -1) (sin x) (* (+ (tan x) (tan eps)) (cos x)))

series718.0ms

Counts
4 → 12
Calls
4 calls:
126.0ms
(* (tan x) (tan eps))
143.0ms
(* (tan x) (tan eps))
165.0ms
(* (+ (tan x) (tan eps)) (cos x))
284.0ms
(fma (+ (* (tan x) (tan eps)) -1) (sin x) (* (+ (tan x) (tan eps)) (cos x)))

simplify2.2s

Counts
92 → 92
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
01301035
1291991
2909896
32674883
done5000883

prune469.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.2b

regimes136.0ms

Accuracy

0% (0.2b remaining)

Error of 0.4b against oracle of 0.2b and baseline of 0.4b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01927
12527
done2527

end0.0ms

sample9.9s

Algorithm
intervals
Results
4.9s3301×body1280valid
1.7s1873×body640valid
1.5s598×body2560valid
771.0ms797×body320valid
435.0ms346×body160valid
195.0ms1085×body80valid