Details

Time bar (total: 18.4s)

sample26.0ms

Algorithm
intervals
Results
8.0ms235×body80valid
2.0ms10×body1280valid
2.0ms12×body640valid
1.0ms14×body320valid
1.0ms14×body160valid

simplify8.1s

Counts
1 → 1
Iterations

Useful iterations: 4 (31.0ms)

IterNodesCost
01113
12213
25113
310313
420512
540812
667212
793512
8111312
9137912
10182812
11280512
12399912
done500012

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 11.4b

localize14.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t z) (- a t))
3.0b
(fma (/ (- t z) (- a t)) y (+ x y))

rewrite16.0ms

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:
13.0ms
(/ (- t z) (- a t))
0.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

series227.0ms

Counts
2 → 6
Calls
2 calls:
43.0ms
(/ (- t z) (- a t))
184.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

simplify2.0s

Counts
70 → 70
Iterations

Useful iterations: 4 (1.1s)

IterNodesCost
0113906
1258878
2589826
31517824
44609822
done5000822

prune234.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.4b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- t z) (- a t))
0.6b
(* (/ (- t z) (- a t)) y)
2.9b
(+ (* (/ (- t z) (- a t)) y) (+ x y))

rewrite61.0ms

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:
12.0ms
(/ (- t z) (- a t))
29.0ms
(* (/ (- t z) (- a t)) y)
15.0ms
(+ (* (/ (- t z) (- a t)) y) (+ x y))

series340.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ (- t z) (- a t))
97.0ms
(* (/ (- t z) (- a t)) y)
198.0ms
(+ (* (/ (- t z) (- a t)) y) (+ x y))

simplify1.1s

Counts
133 → 133
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01951736
15431646
215951560
done50001552

prune391.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 3.4b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- t z) (/ 1 (- a t)))
0.6b
(* (* (- t z) (/ 1 (- a t))) y)
4.9b
(+ (* (* (- t z) (/ 1 (- a t))) y) (+ x y))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
48×add-sqr-sqrt
42×*-un-lft-identity
32×add-exp-log times-frac
26×associate-*l/
25×add-cube-cbrt
24×associate-*r*
20×add-cbrt-cube
13×prod-exp
12×pow1 frac-add
10×flip3-- flip--
add-log-exp
frac-times distribute-lft-out-- difference-of-squares
flip3-+ cbrt-unprod flip-+
div-exp associate-*l*
associate-/r*
expm1-log1p-u associate-*r/ pow-prod-down associate-/r/ un-div-inv 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 → 153
Calls
4 calls:
6.0ms
(/ 1 (- a t))
28.0ms
(* (- t z) (/ 1 (- a t)))
33.0ms
(* (* (- t z) (/ 1 (- a t))) y)
41.0ms
(+ (* (* (- t z) (/ 1 (- a t))) y) (+ x y))

series384.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(/ 1 (- a t))
47.0ms
(* (- t z) (/ 1 (- a t)))
98.0ms
(* (* (- t z) (/ 1 (- a t))) y)
203.0ms
(+ (* (* (- t z) (/ 1 (- a t))) y) (+ x y))

simplify1.2s

Counts
165 → 165
Iterations

Useful iterations: 2 (515.0ms)

IterNodesCost
02512482
17542016
227801854
done50001854

prune451.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 3.3b

localize14.0ms

Local error

Found 4 expressions with local error:

7.8b
(+ (* (* (cbrt (* y (/ (- t z) (- a t)))) (cbrt (* y (/ (- t z) (- a t))))) (cbrt (* y (/ (- t z) (- a t))))) (+ x y))
7.9b
(cbrt (* y (/ (- t z) (- a t))))
7.9b
(cbrt (* y (/ (- t z) (- a t))))
7.9b
(cbrt (* y (/ (- t z) (- a t))))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
33×associate-*r/
27×cbrt-div
14×frac-add
10×frac-times associate-*l/
add-log-exp
flip3-+ flip-+
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube log1p-expm1-u
cbrt-prod pow1/3 sum-log
+-commutative associate-+r+ fma-def
Counts
4 → 66
Calls
4 calls:
22.0ms
(+ (* (* (cbrt (* y (/ (- t z) (- a t)))) (cbrt (* y (/ (- t z) (- a t))))) (cbrt (* y (/ (- t z) (- a t))))) (+ x y))
7.0ms
(cbrt (* y (/ (- t z) (- a t))))
7.0ms
(cbrt (* y (/ (- t z) (- a t))))
7.0ms
(cbrt (* y (/ (- t z) (- a t))))

series753.0ms

Counts
4 → 12
Calls
4 calls:
199.0ms
(+ (* (* (cbrt (* y (/ (- t z) (- a t)))) (cbrt (* y (/ (- t z) (- a t))))) (cbrt (* y (/ (- t z) (- a t))))) (+ x y))
185.0ms
(cbrt (* y (/ (- t z) (- a t))))
184.0ms
(cbrt (* y (/ (- t z) (- a t))))
185.0ms
(cbrt (* y (/ (- t z) (- a t))))

simplify1.4s

Counts
78 → 78
Iterations

Useful iterations: 3 (561.0ms)

IterNodesCost
01432312
14112229
212501585
342761493
done50001493

prune297.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 3.3b

regimes397.0ms

Accuracy

34% (5.7b remaining)

Error of 8.7b against oracle of 3.0b and baseline of 11.6b

bsearch94.0ms

Steps
ItersRangePoint
8
1.4221983697485953e-93
4.860604208151661e-91
8.232213477554133e-92
8
-1.2174954204274436e-167
-9.750906339755104e-171
-8.94712349400521e-168

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02385
12785
done2785

end0.0ms

sample693.0ms

Algorithm
intervals
Results
257.0ms7365×body80valid
57.0ms460×body640valid
45.0ms287×body1280valid
39.0ms383×body320valid
17.0ms223×body160valid
4.0ms21×body2560valid