Details

Time bar (total: 25.3s)

sample32.0ms

Algorithm
intervals
Results
10.0ms222×body80valid
3.0ms13×body1280valid
3.0ms15×body640valid
2.0ms16×body320valid
1.0msbody160valid

simplify13.4s

Counts
1 → 1
Iterations

Useful iterations: 4 (72.0ms)

IterNodesCost
01113
12213
25213
310913
420312
545112
674812
7107812
8140012
9165512
10215312
11268312
12384712
done500112

prune15.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 12.4b

localize20.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t z) (- a t))
3.2b
(fma (/ (- t z) (- a t)) y (+ x y))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
23.0ms
(/ (- t z) (- a t))
0.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

series402.0ms

Counts
2 → 6
Calls
2 calls:
69.0ms
(/ (- t z) (- a t))
332.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

simplify1.8s

Counts
70 → 70
Iterations

Useful iterations: 3 (591.0ms)

IterNodesCost
0113906
1258878
2622826
31643824
done5000824

prune296.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.4b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- t z) (- a t))
2.2b
(* (/ (- t z) (- a t)) y)
2.2b
(+ (* (/ (- t z) (- a t)) y) (+ x y))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
76×add-sqr-sqrt
71×*-un-lft-identity
51×times-frac
31×associate-*l*
27×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
add-log-exp
pow1 associate-/r* associate-/l*
associate-/r/
expm1-log1p-u flip3-- associate-*r* associate-*l/ sum-log flip-- log1p-expm1-u
cbrt-undiv flip3-+ div-exp frac-add prod-exp cbrt-unprod flip-+ div-inv associate-/l/ unswap-sqr
+-commutative associate-+r+ fma-def frac-2neg div-sub pow-prod-down clear-num *-commutative
Counts
3 → 124
Calls
3 calls:
27.0ms
(/ (- t z) (- a t))
64.0ms
(* (/ (- t z) (- a t)) y)
37.0ms
(+ (* (/ (- t z) (- a t)) y) (+ x y))

series553.0ms

Counts
3 → 9
Calls
3 calls:
77.0ms
(/ (- t z) (- a t))
153.0ms
(* (/ (- t z) (- a t)) y)
323.0ms
(+ (* (/ (- t z) (- a t)) y) (+ x y))

simplify1.4s

Counts
133 → 133
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01951736
15411646
216521560
done50011549

prune536.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.4b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ y (- a t))
3.5b
(+ (* (- t z) (/ y (- a t))) (+ x y))
9.1b
(* (- t z) (/ y (- a t)))

rewrite159.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
39×*-un-lft-identity
31×times-frac
23×add-cube-cbrt
21×associate-*r*
10×add-exp-log frac-add add-cbrt-cube
flip3-- flip-- distribute-lft-out-- add-log-exp difference-of-squares
frac-times flip3-+ associate-*l/ flip-+
pow1 associate-*l* associate-/r*
associate-/r/
expm1-log1p-u associate-*r/ sum-log log1p-expm1-u associate-/l*
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv unswap-sqr
+-commutative associate-+r+ fma-def frac-2neg pow-prod-down clear-num *-commutative
Counts
3 → 113
Calls
3 calls:
26.0ms
(/ y (- a t))
33.0ms
(+ (* (- t z) (/ y (- a t))) (+ x y))
91.0ms
(* (- t z) (/ y (- a t)))

series375.0ms

Counts
3 → 9
Calls
3 calls:
50.0ms
(/ y (- a t))
210.0ms
(+ (* (- t z) (/ y (- a t))) (+ x y))
115.0ms
(* (- t z) (/ y (- a t)))

simplify2.1s

Counts
122 → 122
Iterations

Useful iterations: done (2.1s)

IterNodesCost
02141838
16351681
227501605
done50001603

prune511.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 3.4b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* y (/ 1 (- a t)))
5.2b
(+ (* (- t z) (* y (/ 1 (- a t)))) (+ x y))
9.1b
(* (- t z) (* y (/ 1 (- a t))))

rewrite228.0ms

Algorithm
rewrite-expression-head
Rules
48×add-sqr-sqrt
42×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×add-cbrt-cube
16×associate-*r/ frac-add
13×prod-exp
12×pow1 frac-times
11×flip3-- flip--
10×un-div-inv
flip3-+ flip-+ add-log-exp
associate-*l* distribute-lft-out-- difference-of-squares
cbrt-unprod
div-exp associate-*l/
associate-/r*
expm1-log1p-u pow-prod-down associate-/r/ log1p-expm1-u
cbrt-undiv rec-exp 1-exp sum-log associate-/l* unswap-sqr
*-commutative div-inv
+-commutative associate-+r+ pow-flip fma-def frac-2neg clear-num inv-pow
Counts
4 → 155
Calls
4 calls:
13.0ms
(/ 1 (- a t))
43.0ms
(* y (/ 1 (- a t)))
57.0ms
(+ (* (- t z) (* y (/ 1 (- a t)))) (+ x y))
109.0ms
(* (- t z) (* y (/ 1 (- a t))))

series390.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(/ 1 (- a t))
35.0ms
(* y (/ 1 (- a t)))
198.0ms
(+ (* (- t z) (* y (/ 1 (- a t)))) (+ x y))
90.0ms
(* (- t z) (* y (/ 1 (- a t))))

simplify1.8s

Counts
167 → 167
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02542593
17232102
226501958
done50021956

prune552.0ms

Pruning

13 alts after pruning (10 fresh and 3 done)

Merged error: 3.4b

regimes508.0ms

bsearch1.0ms