Details

Time bar (total: 23.6s)

sample300.0ms

Algorithm
intervals
Results
138.0ms106×body1280valid
76.0ms58×body640valid
43.0ms16×body2560valid
14.0ms25×body320valid
6.0ms36×body80valid
5.0ms15×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: 38.2b

localize19.0ms

Local error

Found 2 expressions with local error:

2.1b
(- (tan (+ x eps)) (tan x))
3.7b
(tan (+ x eps))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
tan-quot add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt tan-sum frac-sub add-cbrt-cube
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 25
Calls
2 calls:
71.0ms
(- (tan (+ x eps)) (tan x))
13.0ms
(tan (+ x eps))

series214.0ms

Counts
2 → 6
Calls
2 calls:
155.0ms
(- (tan (+ x eps)) (tan x))
58.0ms
(tan (+ x eps))

simplify2.3s

Counts
31 → 31
Iterations

Useful iterations: 4 (410.0ms)

IterNodesCost
068367
1135355
2278341
3528337
41109335
52471335
done5000335

prune138.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 14.2b

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
0.1b
(+ (tan x) (tan eps))
0.2b
(* (tan x) (tan eps))
2.8b
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite167.0ms

Algorithm
rewrite-expression-head
Rules
27×*-un-lft-identity
22×add-sqr-sqrt
15×add-cube-cbrt
13×times-frac
tan-quot
add-exp-log add-cbrt-cube add-log-exp
pow1
distribute-lft-out
associate-/l*
associate-*r* associate-*l* associate-/r* associate-/l/
flip3-- flip3-+ frac-add associate-/r/ flip-- 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 div-inv distribute-lft-out-- unswap-sqr
Counts
4 → 86
Calls
4 calls:
30.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
11.0ms
(+ (tan x) (tan eps))
18.0ms
(* (tan x) (tan eps))
104.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series1.1s

Counts
4 → 12
Calls
4 calls:
376.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
136.0ms
(+ (tan x) (tan eps))
122.0ms
(* (tan x) (tan eps))
448.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify2.3s

Counts
98 → 98
Iterations

Useful iterations: 3 (935.0ms)

IterNodesCost
01721724
13971649
210951579
329391563
done50001563

prune430.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 14.1b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (+ (tan x) (tan eps)) (cos x))
0.2b
(* (tan x) (tan eps))
0.2b
(* (tan x) (tan eps))
8.8b
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

rewrite110.0ms

Algorithm
rewrite-expression-head
Rules
17×associate-*l/
16×add-sqr-sqrt
14×tan-quot
12×*-un-lft-identity
10×pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
associate-*r*
frac-sub add-log-exp
flip3-- flip--
flip3-+ pow-prod-down frac-add prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
frac-times associate-*r/
sub-neg diff-log distribute-lft-out
Counts
4 → 82
Calls
4 calls:
33.0ms
(* (+ (tan x) (tan eps)) (cos x))
16.0ms
(* (tan x) (tan eps))
18.0ms
(* (tan x) (tan eps))
41.0ms
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

series744.0ms

Counts
4 → 12
Calls
4 calls:
190.0ms
(* (+ (tan x) (tan eps)) (cos x))
146.0ms
(* (tan x) (tan eps))
125.0ms
(* (tan x) (tan eps))
283.0ms
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

simplify1.3s

Counts
94 → 94
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01731626
15151476
219171418
done50011416

prune637.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.2b

localize72.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (pow (sin x) 2) (sin eps)) (* (cos x) (cos eps)))
0.2b
(* (tan x) (tan eps))
0.2b
(* (pow (sin x) 2) (sin eps))
0.3b
(pow (sin x) 2)

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
36×add-exp-log
20×add-cbrt-cube
19×add-sqr-sqrt
14×prod-exp
11×add-cube-cbrt *-un-lft-identity associate-*l*
div-exp
pow1 unpow-prod-down
associate-*r* cbrt-unprod
unswap-sqr
tan-quot cbrt-undiv pow-to-exp pow-exp add-log-exp
pow-unpow unpow2 sqr-pow
*-commutative
frac-times pow-pow frac-2neg times-frac associate-*r/ pow-prod-down associate-*l/ clear-num associate-/r* associate-/r/ cos-mult div-inv associate-/l*
Counts
4 → 92
Calls
4 calls:
40.0ms
(/ (* (pow (sin x) 2) (sin eps)) (* (cos x) (cos eps)))
16.0ms
(* (tan x) (tan eps))
24.0ms
(* (pow (sin x) 2) (sin eps))
8.0ms
(pow (sin x) 2)

series493.0ms

Counts
4 → 12
Calls
4 calls:
177.0ms
(/ (* (pow (sin x) 2) (sin eps)) (* (cos x) (cos eps)))
182.0ms
(* (tan x) (tan eps))
97.0ms
(* (pow (sin x) 2) (sin eps))
37.0ms
(pow (sin x) 2)

simplify1.8s

Counts
104 → 104
Iterations

Useful iterations: 2 (443.0ms)

IterNodesCost
01751232
14271143
21638961
done5000961

prune580.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.1b

regimes229.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: done (6.0ms)

IterNodesCost
02338
13236
done3234

end0.0ms

sample10.6s

Algorithm
intervals
Results
5.7s3225×body1280valid
2.1s633×body2560valid
1.7s1918×body640valid
378.0ms737×body320valid
226.0ms1136×body80valid
110.0ms351×body160valid