Details

Time bar (total: 13.8s)

sample157.0ms

Algorithm
intervals
Results
74.0ms96×body1280valid
32.0ms19×body2560valid
28.0ms67×body640valid
8.0ms32×body320valid
3.0ms33×body80valid
2.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.8b

localize9.0ms

Local error

Found 2 expressions with local error:

0.9b
(- (tan (+ x eps)) (tan x))
3.7b
(tan (+ x eps))

rewrite11.0ms

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:
7.0ms
(- (tan (+ x eps)) (tan x))
3.0ms
(tan (+ x eps))

series148.0ms

Counts
2 → 6
Calls
2 calls:
89.0ms
(- (tan (+ x eps)) (tan x))
59.0ms
(tan (+ x eps))

simplify1.8s

Counts
31 → 31
Iterations

Useful iterations: 4 (261.0ms)

IterNodesCost
068367
1135355
2288341
3540337
41287335
53485335
done5000335

prune92.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 13.2b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (tan eps) (tan x)) (- 1 (* (tan x) (tan eps))))
0.1b
(+ (tan eps) (tan x))
0.2b
(* (tan x) (tan eps))
2.6b
(- (/ (+ (tan eps) (tan x)) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite62.0ms

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:
11.0ms
(/ (+ (tan eps) (tan x)) (- 1 (* (tan x) (tan eps))))
3.0ms
(+ (tan eps) (tan x))
5.0ms
(* (tan x) (tan eps))
39.0ms
(- (/ (+ (tan eps) (tan x)) (- 1 (* (tan x) (tan eps)))) (tan x))

series765.0ms

Counts
4 → 12
Calls
4 calls:
209.0ms
(/ (+ (tan eps) (tan x)) (- 1 (* (tan x) (tan eps))))
94.0ms
(+ (tan eps) (tan x))
93.0ms
(* (tan x) (tan eps))
368.0ms
(- (/ (+ (tan eps) (tan x)) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify1.6s

Counts
98 → 98
Iterations

Useful iterations: 3 (820.0ms)

IterNodesCost
01701724
13851649
210511579
329981565
done50011565

prune287.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 12.1b

localize24.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (cos eps) (sin x))
0.2b
(* (tan x) (tan eps))
0.3b
(/ (+ (* (sin eps) (cos x)) (* (cos eps) (sin x))) (* (cos x) (cos eps)))
8.0b
(- (/ (/ (+ (* (sin eps) (cos x)) (* (cos eps) (sin x))) (* (cos x) (cos eps))) (- 1 (* (tan x) (tan eps)))) (tan x))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
13×add-exp-log add-cbrt-cube
12×*-un-lft-identity
10×add-cube-cbrt
pow1
associate-*r* associate-*l* add-log-exp
tan-quot
times-frac
prod-exp cbrt-unprod associate-/l*
cbrt-undiv div-exp pow-prod-down *-commutative associate-/l/ difference-of-squares unswap-sqr
frac-times sub-neg flip3-- frac-2neg flip3-+ diff-log associate-*r/ associate-*l/ clear-num associate-/r* associate-/r/ cos-mult frac-sub flip-- flip-+ div-inv distribute-lft-out--
Counts
4 → 79
Calls
4 calls:
4.0ms
(* (cos eps) (sin x))
5.0ms
(* (tan x) (tan eps))
12.0ms
(/ (+ (* (sin eps) (cos x)) (* (cos eps) (sin x))) (* (cos x) (cos eps)))
56.0ms
(- (/ (/ (+ (* (sin eps) (cos x)) (* (cos eps) (sin x))) (* (cos x) (cos eps))) (- 1 (* (tan x) (tan eps)))) (tan x))

series655.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(* (cos eps) (sin x))
88.0ms
(* (tan x) (tan eps))
141.0ms
(/ (+ (* (sin eps) (cos x)) (* (cos eps) (sin x))) (* (cos x) (cos eps)))
380.0ms
(- (/ (/ (+ (* (sin eps) (cos x)) (* (cos eps) (sin x))) (* (cos x) (cos eps))) (- 1 (* (tan x) (tan eps)))) (tan x))

simplify762.0ms

Counts
91 → 91
Iterations

Useful iterations: 2 (147.0ms)

IterNodesCost
01931836
14711813
215581617
done50011617

prune369.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 12.1b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (tan x) (tan eps))
0.2b
(* (tan x) (tan eps))
0.2b
(* (+ (tan x) (tan eps)) (cos x))
8.0b
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

rewrite35.0ms

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:
5.0ms
(* (tan x) (tan eps))
5.0ms
(* (tan x) (tan eps))
12.0ms
(* (+ (tan x) (tan eps)) (cos x))
11.0ms
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

series511.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(* (tan x) (tan eps))
92.0ms
(* (tan x) (tan eps))
118.0ms
(* (+ (tan x) (tan eps)) (cos x))
208.0ms
(- (* (+ (tan x) (tan eps)) (cos x)) (* (- 1 (* (tan x) (tan eps))) (sin x)))

simplify776.0ms

Counts
94 → 94
Iterations

Useful iterations: 2 (200.0ms)

IterNodesCost
01731626
15241476
218781418
done50011418

prune338.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

regimes101.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02133
12933
done2933

end0.0ms

sample5.1s

Algorithm
intervals
Results
2.5s3276×body1280valid
1.1s646×body2560valid
827.0ms1863×body640valid
216.0ms766×body320valid
106.0ms1085×body80valid
69.0ms364×body160valid