Details

Time bar (total: 24.8s)

sample296.0ms

Algorithm
intervals
Results
166.0ms97×body1280valid
55.0ms74×body640valid
34.0ms11×body2560valid
15.0ms29×body320valid
5.0ms36×body80valid
3.0msbody160valid

simplify20.0ms

Counts
1 → 1

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.2b

localize10.0ms

Local error

Found 2 expressions with local error:

0.9b
(- (tan (+ x eps)) (tan x))
4.8b
(tan (+ x eps))

rewrite42.0ms

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:
33.0ms
(- (tan (+ x eps)) (tan x))
8.0ms
(tan (+ x eps))

series289.0ms

Counts
2 → 6
Calls
2 calls:
149.0ms
(- (tan (+ x eps)) (tan x))
139.0ms
(tan (+ x eps))

simplify1.2s

Counts
31 → 31

prune139.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 11.6b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(- 1 (* (tan x) (tan eps)))
0.1b
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
0.2b
(* (tan x) (tan eps))
2.1b
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite239.0ms

Algorithm
rewrite-expression-head
Rules
25×*-un-lft-identity
22×add-sqr-sqrt
15×add-cube-cbrt
13×times-frac
add-exp-log add-cbrt-cube add-log-exp
tan-quot
pow1
distribute-lft-out associate-/l*
flip3-- associate-*r* associate-*l* associate-/r* flip-- associate-/l/
sub-neg diff-log associate-/r/ difference-of-squares
cbrt-undiv frac-times frac-2neg flip3-+ associate-*r/ div-exp pow-prod-down associate-*l/ frac-add prod-exp clear-num *-commutative frac-sub cbrt-unprod flip-+ div-inv distribute-lft-out-- unswap-sqr
Counts
4 → 85
Calls
4 calls:
7.0ms
(- 1 (* (tan x) (tan eps)))
54.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
29.0ms
(* (tan x) (tan eps))
147.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series1.2s

Counts
4 → 12
Calls
4 calls:
151.0ms
(- 1 (* (tan x) (tan eps)))
323.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
143.0ms
(* (tan x) (tan eps))
591.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify722.0ms

Counts
97 → 97

prune382.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 11.5b

localize38.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (tan x) (tan eps))
0.2b
(* (tan x) (tan eps))
0.3b
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
2.1b
(- (/ (+ (tan x) (tan eps)) (/ (- 1 (* (* (tan x) (tan eps)) (* (tan x) (tan eps)))) (+ 1 (* (tan x) (tan eps))))) (tan x))

rewrite427.0ms

Algorithm
rewrite-expression-head
Rules
47×pow1
41×tan-quot
21×add-sqr-sqrt
20×add-exp-log add-cbrt-cube
19×frac-times pow-prod-down
13×associate-*r/ associate-*l/
10×*-un-lft-identity prod-exp cbrt-unprod
add-cube-cbrt
associate-*r* associate-*l*
add-log-exp
pow-sqr pow-prod-up
times-frac *-commutative difference-of-squares
pow-plus unswap-sqr
pow2 sub-neg flip3-- diff-log swap-sqr frac-sub flip-- distribute-lft-out--
Counts
4 → 108
Calls
4 calls:
19.0ms
(* (tan x) (tan eps))
28.0ms
(* (tan x) (tan eps))
98.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
277.0ms
(- (/ (+ (tan x) (tan eps)) (/ (- 1 (* (* (tan x) (tan eps)) (* (tan x) (tan eps)))) (+ 1 (* (tan x) (tan eps))))) (tan x))

series1.7s

Counts
4 → 12
Calls
4 calls:
137.0ms
(* (tan x) (tan eps))
111.0ms
(* (tan x) (tan eps))
139.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
1.4s
(- (/ (+ (tan x) (tan eps)) (/ (- 1 (* (* (tan x) (tan eps)) (* (tan x) (tan eps)))) (+ 1 (* (tan x) (tan eps))))) (tan x))

simplify997.0ms

Counts
120 → 120

prune422.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 11.5b

localize61.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (tan x) (tan eps))
0.2b
(* (tan x) (tan eps))
0.3b
(* (* (tan x) (tan eps)) (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))
2.1b
(- (/ (+ (tan x) (tan eps)) (/ (- 1 (* (* (tan x) (tan eps)) (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))) (+ 1 (* (tan x) (tan eps))))) (tan x))

rewrite320.0ms

Algorithm
rewrite-expression-head
Rules
49×add-exp-log add-cbrt-cube
25×prod-exp cbrt-unprod
22×add-sqr-sqrt
17×tan-quot
13×pow1
12×associate-*r*
11×*-un-lft-identity
add-cube-cbrt
cbrt-undiv div-exp
frac-times associate-*l* associate-*l/
add-log-exp
associate-*r/ pow-prod-down
times-frac
*-commutative difference-of-squares
unswap-sqr
sub-neg flip3-- diff-log associate-/r/ cos-mult frac-sub flip-- div-inv distribute-lft-out--
Counts
4 → 103
Calls
4 calls:
20.0ms
(* (tan x) (tan eps))
18.0ms
(* (tan x) (tan eps))
88.0ms
(* (* (tan x) (tan eps)) (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))
184.0ms
(- (/ (+ (tan x) (tan eps)) (/ (- 1 (* (* (tan x) (tan eps)) (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))) (+ 1 (* (tan x) (tan eps))))) (tan x))

series2.4s

Counts
4 → 12
Calls
4 calls:
147.0ms
(* (tan x) (tan eps))
135.0ms
(* (tan x) (tan eps))
302.0ms
(* (* (tan x) (tan eps)) (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))
1.8s
(- (/ (+ (tan x) (tan eps)) (/ (- 1 (* (* (tan x) (tan eps)) (/ (* (sin x) (sin eps)) (* (cos x) (cos eps))))) (+ 1 (* (tan x) (tan eps))))) (tan x))

simplify1.6s

Counts
115 → 115

prune572.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 11.5b

regimes226.0ms

Accuracy

85.4% (1.0b remaining)

Error of 15.5b against oracle of 14.5b and baseline of 21.5b

bsearch294.0ms

Steps
ItersRangePoint
8
4.608983638651436e-103
1.5313485409075155e-100
1.5128029396190957e-100
10
-5.021841202152694e-20
-1.5006166145218615e-36
-1.4465652249682627e-28

simplify591.0ms

end0.0ms

sample10.6s

Algorithm
intervals
Results
5.1s3327×body1280valid
2.0s616×body2560valid
1.9s1821×body640valid
600.0ms1135×body80valid
476.0ms755×body320valid
104.0ms346×body160valid