Details

Time bar (total: 25.3s)

sample314.0ms

Algorithm
intervals
Results
191.0ms105×body1280valid
45.0ms17×body2560valid
41.0ms59×body640valid
11.0ms24×body320valid
6.0ms42×body80valid
3.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.1b

localize18.0ms

Local error

Found 2 expressions with local error:

0.4b
(- (tan (+ x eps)) (tan x))
3.2b
(tan (+ x eps))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity tan-quot add-log-exp
pow1 tan-sum add-cbrt-cube add-exp-log frac-sub add-cube-cbrt
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 25
Calls
2 calls:
25.0ms
(- (tan (+ x eps)) (tan x))
9.0ms
(tan (+ x eps))

series241.0ms

Counts
2 → 6
Calls
2 calls:
147.0ms
(- (tan (+ x eps)) (tan x))
94.0ms
(tan (+ x eps))

simplify1.8s

Counts
31 → 31
Iterations
IterNodes
done5001
41748
3709
2298
1137
068

prune250.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 15.2b

localize29.0ms

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

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
27×*-un-lft-identity
22×add-sqr-sqrt
15×add-cube-cbrt
13×times-frac
tan-quot
add-cbrt-cube add-exp-log add-log-exp
pow1
distribute-lft-out
associate-/l*
associate-/r* associate-*r* associate-*l* associate-/l/
flip3-+ flip3-- frac-add associate-/r/ flip-+ flip-- difference-of-squares
frac-times cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg diff-log div-exp pow-prod-down associate-*l/ prod-exp associate-*r/ *-commutative frac-sub cbrt-unprod div-inv distribute-lft-out-- unswap-sqr
Counts
4 → 86
Calls
4 calls:
41.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
12.0ms
(+ (tan x) (tan eps))
22.0ms
(* (tan x) (tan eps))
100.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

series1.1s

Counts
4 → 12
Calls
4 calls:
299.0ms
(/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps))))
145.0ms
(+ (tan x) (tan eps))
138.0ms
(* (tan x) (tan eps))
544.0ms
(- (/ (+ (tan x) (tan eps)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify2.8s

Counts
98 → 98
Iterations
IterNodes
done5045
34214
21148
1401
0170

prune572.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 12.9b

localize54.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (sin x) (/ (sin eps) (cos eps))) (cos x))
0.2b
(* (sin x) (/ (sin eps) (cos eps)))
0.2b
(* (sin x) (/ (sin eps) (cos eps)))
4.0b
(- (/ (/ (sin x) (cos x)) (- 1 (/ (* (sin x) (/ (sin eps) (cos eps))) (cos x)))) (/ (sin x) (cos x)))

rewrite275.0ms

Algorithm
rewrite-expression-head
Rules
53×add-sqr-sqrt
36×times-frac
33×*-un-lft-identity
26×associate-*r*
23×add-cbrt-cube add-exp-log
22×add-cube-cbrt
pow1
cbrt-undiv div-exp associate-*l* prod-exp cbrt-unprod add-log-exp difference-of-squares
distribute-lft-out-- unswap-sqr
associate-/r* associate-*r/ div-inv
pow-prod-down *-commutative
clear-num sub-neg frac-2neg flip3-- diff-log frac-sub flip-- associate-/l* associate-/l/
Counts
4 → 110
Calls
4 calls:
12.0ms
(/ (* (sin x) (/ (sin eps) (cos eps))) (cos x))
21.0ms
(* (sin x) (/ (sin eps) (cos eps)))
23.0ms
(* (sin x) (/ (sin eps) (cos eps)))
214.0ms
(- (/ (/ (sin x) (cos x)) (- 1 (/ (* (sin x) (/ (sin eps) (cos eps))) (cos x)))) (/ (sin x) (cos x)))

series640.0ms

Counts
4 → 12
Calls
4 calls:
138.0ms
(/ (* (sin x) (/ (sin eps) (cos eps))) (cos x))
95.0ms
(* (sin x) (/ (sin eps) (cos eps)))
103.0ms
(* (sin x) (/ (sin eps) (cos eps)))
303.0ms
(- (/ (/ (sin x) (cos x)) (- 1 (/ (* (sin x) (/ (sin eps) (cos eps))) (cos x)))) (/ (sin x) (cos x)))

simplify1.6s

Counts
122 → 122
Iterations
IterNodes
done5001
21612
1484
0186

prune947.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 12.9b

localize85.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin x) (/ (sin eps) (cos eps)))
0.2b
(* (sin x) (/ (sin eps) (cos eps)))
4.0b
(- (/ (/ (sin x) (cos x)) (- 1 (/ (log (exp (* (sin x) (/ (sin eps) (cos eps))))) (cos x)))) (/ (sin x) (cos x)))
4.2b
(log (exp (* (sin x) (/ (sin eps) (cos eps)))))

rewrite470.0ms

Algorithm
rewrite-expression-head
Rules
52×add-sqr-sqrt
33×times-frac
32×*-un-lft-identity
26×associate-*r*
21×add-cube-cbrt
14×add-cbrt-cube add-exp-log
pow1
add-log-exp
associate-*l* difference-of-squares
prod-exp cbrt-unprod distribute-lft-out-- unswap-sqr
log-prod log-pow
cbrt-undiv div-exp pow-prod-down associate-*r/ *-commutative div-inv
exp-prod sub-neg flip3-- exp-to-pow diff-log rem-log-exp frac-sub flip--
Counts
4 → 100
Calls
4 calls:
30.0ms
(* (sin x) (/ (sin eps) (cos eps)))
31.0ms
(* (sin x) (/ (sin eps) (cos eps)))
395.0ms
(- (/ (/ (sin x) (cos x)) (- 1 (/ (log (exp (* (sin x) (/ (sin eps) (cos eps))))) (cos x)))) (/ (sin x) (cos x)))
6.0ms
(log (exp (* (sin x) (/ (sin eps) (cos eps)))))

series758.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(* (sin x) (/ (sin eps) (cos eps)))
119.0ms
(* (sin x) (/ (sin eps) (cos eps)))
380.0ms
(- (/ (/ (sin x) (cos x)) (- 1 (/ (log (exp (* (sin x) (/ (sin eps) (cos eps))))) (cos x)))) (/ (sin x) (cos x)))
152.0ms
(log (exp (* (sin x) (/ (sin eps) (cos eps)))))

simplify2.0s

Counts
112 → 112
Iterations
IterNodes
done5001
21193
1403
0168

prune975.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 12.9b

regimes220.0ms

Accuracy

0% (0.4b remaining)

Error of 13.0b against oracle of 12.6b and baseline of 13.0b

bsearch0.0ms

simplify5.0ms

Iterations
IterNodes
done24
124
020

end0.0ms

sample10.0s

Algorithm
intervals
Results
4.2s3251×body1280valid
2.3s1865×body640valid
2.1s650×body2560valid
758.0ms772×body320valid
154.0ms1137×body80valid
91.0ms325×body160valid