Details

Time bar (total: 9.6s)

sample162.0ms

Algorithm
intervals
Results
80.0ms113×body1280valid
30.0ms18×body2560valid
25.0ms60×body640valid
10.0ms23×body320valid
3.0ms32×body80valid
2.0ms10×body160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
094
1104
2104
done104

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.6b

localize9.0ms

Local error

Found 2 expressions with local error:

2.1b
(- (tan (+ x eps)) (tan x))
3.2b
(tan (+ x eps))

rewrite25.0ms

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:
17.0ms
(- (tan (+ x eps)) (tan x))
7.0ms
(tan (+ x eps))

series154.0ms

Counts
2 → 6
Calls
2 calls:
95.0ms
(- (tan (+ x eps)) (tan x))
59.0ms
(tan (+ x eps))

simplify78.0ms

Counts
31 → 31
Iterations

Useful iterations: 3 (23.0ms)

IterNodesCost
0134211
1295202
2757200
32482199
45001199
done5001199

prune87.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 14.5b

localize11.0ms

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))
0.3b
(* (tan x) (tan eps))
3.1b
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite141.0ms

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:
31.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
9.0ms
(+ (tan x) (tan eps))
15.0ms
(* (tan x) (tan eps))
83.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series788.0ms

Counts
4 → 12
Calls
4 calls:
225.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
96.0ms
(+ (tan x) (tan eps))
96.0ms
(* (tan x) (tan eps))
371.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify44.0ms

Counts
98 → 98
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
03971050
114321005
25001995
done5001995

prune289.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 14.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))
0.3b
(* (tan x) (tan eps))
0.3b
(/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps))))
5.3b
(- (/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))) (tan x))

rewrite210.0ms

Algorithm
rewrite-expression-head
Rules
123×times-frac
104×*-un-lft-identity
83×add-sqr-sqrt
67×add-cube-cbrt
23×associate-/r*
19×add-exp-log
16×associate-/r/ distribute-lft-out
15×tan-quot
13×add-cbrt-cube
div-exp
pow1 div-inv
associate-/l* add-log-exp
flip3-+ frac-add flip-+ difference-of-squares
cbrt-undiv
associate-*r* associate-*l*
rec-exp flip3-- frac-2neg 1-exp clear-num flip-- associate-/l/ distribute-lft-out--
frac-times sub-neg pow-flip diff-log div-sub associate-*r/ pow-prod-down associate-*l/ prod-exp *-commutative frac-sub cbrt-unprod inv-pow unswap-sqr
Counts
4 → 178
Calls
4 calls:
24.0ms
(/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))
15.0ms
(* (tan x) (tan eps))
26.0ms
(/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps))))
137.0ms
(- (/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))) (tan x))

series968.0ms

Counts
4 → 12
Calls
4 calls:
275.0ms
(/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))
98.0ms
(* (tan x) (tan eps))
220.0ms
(/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps))))
375.0ms
(- (/ 1 (/ (- 1 (* (tan x) (tan eps))) (+ (tan x) (tan eps)))) (tan x))

simplify78.0ms

Counts
190 → 190
Iterations

Useful iterations: 2 (59.0ms)

IterNodesCost
07032793
132902509
250012506
done50012506

prune411.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 14.4b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (+ (tan x) (tan eps)) (cos x))
0.3b
(* (tan x) (tan eps))
0.3b
(* (tan x) (tan eps))
8.2b
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

rewrite102.0ms

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:
31.0ms
(* (+ (tan x) (tan eps)) (cos x))
18.0ms
(* (tan x) (tan eps))
16.0ms
(* (tan x) (tan eps))
35.0ms
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

series533.0ms

Counts
4 → 12
Calls
4 calls:
118.0ms
(* (+ (tan x) (tan eps)) (cos x))
97.0ms
(* (tan x) (tan eps))
96.0ms
(* (tan x) (tan eps))
222.0ms
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

simplify74.0ms

Counts
94 → 94
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
0527955
12405907
25002907
done5002907

prune357.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

regimes91.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02921
12921
done2921

end0.0ms

sample5.0s

Algorithm
intervals
Results
2.4s3329×body1280valid
1.2s673×body2560valid
770.0ms1885×body640valid
191.0ms711×body320valid
85.0ms1071×body80valid
60.0ms331×body160valid