Details

Time bar (total: 17.1s)

sample249.0ms

Algorithm
intervals
Results
107.0ms97×body1280valid
73.0ms21×body2560valid
32.0ms52×body640valid
11.0ms26×body320valid
6.0ms42×body80valid
6.0ms18×body160valid

simplify2.0ms

Counts
1 → 1

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.5b

localize10.0ms

Local error

Found 2 expressions with local error:

2.3b
(- (tan (+ x eps)) (tan x))
4.2b
(tan (+ x eps))

rewrite74.0ms

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:
59.0ms
(- (tan (+ x eps)) (tan x))
7.0ms
(tan (+ x eps))

series243.0ms

Counts
2 → 6
Calls
2 calls:
172.0ms
(- (tan (+ x eps)) (tan x))
72.0ms
(tan (+ x eps))

simplify98.0ms

Counts
31 → 31

prune136.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 14.1b

localize22.0ms

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))
3.6b
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite175.0ms

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:
29.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
10.0ms
(+ (tan x) (tan eps))
15.0ms
(* (tan x) (tan eps))
118.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series968.0ms

Counts
4 → 12
Calls
4 calls:
256.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
108.0ms
(+ (tan x) (tan eps))
117.0ms
(* (tan x) (tan eps))
487.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify91.0ms

Counts
98 → 98

prune317.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 13.9b

localize31.0ms

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)))
3.6b
(- (* (/ (+ (tan x) (tan eps)) (- 1 (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps)))) (tan x))

rewrite474.0ms

Algorithm
rewrite-expression-head
Rules
47×pow1
45×tan-quot
21×frac-times
20×add-exp-log add-cbrt-cube
19×pow-prod-down
15×associate-*r/
14×associate-*l/
12×add-sqr-sqrt
10×prod-exp cbrt-unprod
add-cube-cbrt *-un-lft-identity
associate-*r* associate-*l*
add-log-exp
frac-sub
pow-sqr pow-prod-up
*-commutative
flip3-+ pow-plus associate--l+ flip-+ unswap-sqr
pow2 distribute-rgt-in sub-neg flip3-- distribute-lft-in diff-log swap-sqr flip--
Counts
4 → 110
Calls
4 calls:
17.0ms
(* (tan x) (tan eps))
18.0ms
(* (tan x) (tan eps))
399.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
33.0ms
(- (* (/ (+ (tan x) (tan eps)) (- 1 (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps)))) (tan x))

series1.6s

Counts
4 → 12
Calls
4 calls:
123.0ms
(* (tan x) (tan eps))
126.0ms
(* (tan x) (tan eps))
160.0ms
(* (* (tan x) (tan eps)) (* (tan x) (tan eps)))
1.2s
(- (* (/ (+ (tan x) (tan eps)) (- 1 (* (* (tan x) (tan eps)) (* (tan x) (tan eps))))) (+ 1 (* (tan x) (tan eps)))) (tan x))

simplify67.0ms

Counts
122 → 122

prune511.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 13.9b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (tan x) (tan eps))
0.3b
(pow (* (tan x) (tan eps)) 3)
3.6b
(- (/ (+ (tan x) (tan eps)) (- 1 (cbrt (pow (* (tan x) (tan eps)) 3)))) (tan x))
28.8b
(cbrt (pow (* (tan x) (tan eps)) 3))

rewrite232.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
13×tan-quot
10×*-un-lft-identity
pow1 add-exp-log add-cbrt-cube
cbrt-prod add-cube-cbrt
cube-div add-log-exp
frac-times pow-unpow cbrt-div associate-*r/ associate-*r* associate-*l* associate-*l/
cube-mult unpow-prod-down pow-pow unpow3 cube-prod pow-prod-down pow-exp prod-exp cbrt-unprod rem-cube-cbrt difference-of-squares sqr-pow
pow-to-exp sub-neg flip3-- times-frac pow1/3 diff-log *-commutative frac-sub flip-- rem-cbrt-cube distribute-lft-out-- unswap-sqr
Counts
4 → 82
Calls
4 calls:
15.0ms
(* (tan x) (tan eps))
12.0ms
(pow (* (tan x) (tan eps)) 3)
191.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (cbrt (pow (* (tan x) (tan eps)) 3)))) (tan x))
12.0ms
(cbrt (pow (* (tan x) (tan eps)) 3))

series895.0ms

Counts
4 → 12
Calls
4 calls:
152.0ms
(* (tan x) (tan eps))
195.0ms
(pow (* (tan x) (tan eps)) 3)
445.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (cbrt (pow (* (tan x) (tan eps)) 3)))) (tan x))
102.0ms
(cbrt (pow (* (tan x) (tan eps)) 3))

simplify59.0ms

Counts
94 → 94

prune391.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 13.9b

regimes200.0ms

Accuracy

87.5% (0.9b remaining)

Error of 15.9b against oracle of 15.0b and baseline of 22.2b

bsearch219.0ms

Steps
ItersRangePoint
7
1.3230230372033123e-23
3.7781262686978725e-22
2.788637558705096e-22
10
-0.00045950116694092144
-7.210541768011361e-14
-7.301062761093603e-14

simplify96.0ms

end0.0ms

sample9.9s

Algorithm
intervals
Results
5.3s3300×body1280valid
1.9s674×body2560valid
1.3s1842×body640valid
486.0ms384×body160valid
381.0ms737×body320valid
144.0ms1063×body80valid