Details

Time bar (total: 13.9s)

sample29.0ms

Algorithm
intervals
Results
8.0ms259×body80valid
2.0ms21×body640valid
1.0msbody1280valid
1.0ms14×body320valid
1.0ms10×body160valid

simplify4.5s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01113
12313
24612
312812
436012
587712
6201612
7358612
done500012

prune6.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 15.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t x) (- a z))
15.1b
(fma (/ (- t x) (- a z)) (- y z) x)

rewrite25.0ms

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:
22.0ms
(/ (- t x) (- a z))
0.0ms
(fma (/ (- t x) (- a z)) (- y z) x)

series152.0ms

Counts
2 → 6
Calls
2 calls:
57.0ms
(/ (- t x) (- a z))
95.0ms
(fma (/ (- t x) (- a z)) (- y z) x)

simplify939.0ms

Counts
70 → 70
Iterations

Useful iterations: done (937.0ms)

IterNodesCost
0118918
1269890
2658838
31743834
done5000830

prune197.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 9.0b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a z))
0.3b
(* (- t x) (/ 1 (- a z)))
15.0b
(fma (* (- t x) (/ 1 (- a z))) (- y z) x)

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
40×*-un-lft-identity
32×times-frac
23×add-cube-cbrt
21×associate-*r*
16×add-exp-log
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*l* associate-/r*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv frac-times rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative fma-udef inv-pow
Counts
3 → 105
Calls
3 calls:
12.0ms
(/ 1 (- a z))
45.0ms
(* (- t x) (/ 1 (- a z)))
0.0ms
(fma (* (- t x) (/ 1 (- a z))) (- y z) x)

series191.0ms

Counts
3 → 9
Calls
3 calls:
36.0ms
(/ 1 (- a z))
58.0ms
(* (- t x) (/ 1 (- a z)))
97.0ms
(fma (* (- t x) (/ 1 (- a z))) (- y z) x)

simplify1.6s

Counts
114 → 114
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01551285
13441052
2954948
33231944
done5000942

prune247.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 9.0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- t x) (- a z))
4.1b
(+ (* (- y z) (/ (- t x) (- a z))) x)
4.4b
(* (- y z) (/ (- t x) (- a z)))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
73×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
23×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*l* associate-/r* flip-- associate-/l* add-log-exp
associate-/r/
expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative fma-def frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 126
Calls
3 calls:
23.0ms
(/ (- t x) (- a z))
25.0ms
(+ (* (- y z) (/ (- t x) (- a z))) x)
60.0ms
(* (- y z) (/ (- t x) (- a z)))

series379.0ms

Counts
3 → 9
Calls
3 calls:
63.0ms
(/ (- t x) (- a z))
170.0ms
(+ (* (- y z) (/ (- t x) (- a z))) x)
146.0ms
(* (- y z) (/ (- t x) (- a z)))

simplify870.0ms

Counts
135 → 135
Iterations

Useful iterations: done (865.0ms)

IterNodesCost
01891881
14851765
217651669
done50011667

prune356.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 6.2b

localize14.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a z))
0.5b
(cbrt (- a z))
1.0b
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
9.4b
(+ (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))) x)

rewrite213.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
59×*-un-lft-identity
52×times-frac
46×associate-*r*
37×cbrt-prod
27×add-cube-cbrt
25×add-exp-log
18×cbrt-div add-cbrt-cube
17×associate-*l*
16×distribute-lft-out-- difference-of-squares
10×associate-/r/
flip3-- flip--
prod-exp cbrt-unprod
cbrt-undiv div-exp
pow1 add-log-exp unswap-sqr
frac-times
expm1-log1p-u log1p-expm1-u
associate-*r/ associate-*l/
pow1/3 div-inv
+-commutative fma-def flip3-+ pow-prod-down sum-log *-commutative flip-+
Counts
4 → 143
Calls
4 calls:
5.0ms
(cbrt (- a z))
4.0ms
(cbrt (- a z))
130.0ms
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
67.0ms
(+ (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))) x)

series829.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(cbrt (- a z))
153.0ms
(cbrt (- a z))
317.0ms
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
198.0ms
(+ (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))) x)

simplify1.3s

Counts
155 → 155
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02613480
17363292
228162749
done50022561

prune647.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 6.2b

regimes394.0ms

Accuracy

5% (8.4b remaining)

Error of 12.0b against oracle of 3.6b and baseline of 12.4b

bsearch102.0ms

Steps
ItersRangePoint
8
-5.421319756117139e-285
-3.8119735541679966e-288
-3.8790020276651695e-288
11
-2.413717548537463e-66
-3.452617791225645e-93
-9.021302549266581e-90

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02466
12844
done2844

end0.0ms

sample769.0ms

Algorithm
intervals
Results
236.0ms7806×body80valid
60.0ms497×body640valid
37.0ms268×body1280valid
33.0ms376×body320valid
16.0ms275×body160valid
3.0ms16×body2560valid