Details

Time bar (total: 19.6s)

sample30.0ms

Algorithm
intervals
Results
11.0ms244×body80valid
2.0ms18×body640valid
1.0ms16×body320valid
1.0msbody1280valid
1.0ms10×body160valid
0.0msbody2560valid

simplify7.3s

Counts
1 → 1
Iterations

Useful iterations: 3 (12.0ms)

IterNodesCost
01113
12013
24513
311412
427812
561812
6126012
7233212
8423312
done500112

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 12.5b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) (- a z))
3.5b
(fma (/ (- y z) (- a z)) (- t x) x)

rewrite15.0ms

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:
12.0ms
(/ (- y z) (- a z))
0.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

series183.0ms

Counts
2 → 6
Calls
2 calls:
59.0ms
(/ (- y z) (- a z))
123.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

simplify2.5s

Counts
70 → 70
Iterations

Useful iterations: 4 (1.5s)

IterNodesCost
0116918
1266890
2623838
31565834
44615828
done5000828

prune251.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.9b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a z))
0.2b
(* (- y z) (/ 1 (- a z)))
4.5b
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

rewrite37.0ms

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:
7.0ms
(/ 1 (- a z))
26.0ms
(* (- y z) (/ 1 (- a z)))
0.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

series245.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(/ 1 (- a z))
63.0ms
(* (- y z) (/ 1 (- a z)))
141.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

simplify2.8s

Counts
114 → 114
Iterations

Useful iterations: done (2.8s)

IterNodesCost
01521285
13411096
21014948
33164944
done5000943

prune301.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.6b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y z) (- a z))
2.5b
(+ (* (- t x) (/ (- y z) (- a z))) x)
2.9b
(* (- t x) (/ (- y z) (- a z)))

rewrite66.0ms

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:
12.0ms
(/ (- y z) (- a z))
11.0ms
(+ (* (- t x) (/ (- y z) (- a z))) x)
37.0ms
(* (- t x) (/ (- y z) (- a z)))

series345.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(/ (- y z) (- a z))
164.0ms
(+ (* (- t x) (/ (- y z) (- a z))) x)
122.0ms
(* (- t x) (/ (- y z) (- a z)))

simplify1.1s

Counts
135 → 135
Iterations

Useful iterations: 2 (293.0ms)

IterNodesCost
01891881
14911765
217261669
done50001669

prune409.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 3.6b

localize14.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- y z))
0.6b
(cbrt (- y z))
0.6b
(cbrt (- y z))
11.1b
(fma (/ (* (cbrt (- y z)) (cbrt (- y z))) (/ (- a z) (cbrt (- y z)))) (- t x) x)

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
13×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
cbrt-div
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
flip3-- pow1/3 flip-- distribute-lft-out-- difference-of-squares
fma-udef
Counts
4 → 61
Calls
4 calls:
2.0ms
(cbrt (- y z))
2.0ms
(cbrt (- y z))
2.0ms
(cbrt (- y z))
0.0ms
(fma (/ (* (cbrt (- y z)) (cbrt (- y z))) (/ (- a z) (cbrt (- y z)))) (- t x) x)

series619.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(cbrt (- y z))
174.0ms
(cbrt (- y z))
161.0ms
(cbrt (- y z))
123.0ms
(fma (/ (* (cbrt (- y z)) (cbrt (- y z))) (/ (- a z) (cbrt (- y z)))) (- t x) x)

simplify1.8s

Counts
73 → 73
Iterations

Useful iterations: 4 (763.0ms)

IterNodesCost
096925
1201907
2442749
31080676
43746636
done5001636

prune298.0ms

Pruning

15 alts after pruning (13 fresh and 2 done)

Merged error: 3.6b

regimes356.0ms

Accuracy

6.7% (7.7b remaining)

Error of 11.1b against oracle of 3.4b and baseline of 11.7b

bsearch102.0ms

Steps
ItersRangePoint
8
1.3789796957155067e+42
1.8415551369076098e+46
1.4012784117723927e+42
8
-1.1766157657047581e-163
-1.090162501590038e-166
-3.6771152743398664e-164

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02145
12832
done2832

end0.0ms

sample697.0ms

Algorithm
intervals
Results
256.0ms7828×body80valid
57.0ms490×body640valid
47.0ms282×body1280valid
38.0ms401×body320valid
17.0ms242×body160valid
3.0ms18×body2560valid