Details

Time bar (total: 13.4s)

sample27.0ms

Algorithm
intervals
Results
8.0ms265×body80valid
2.0ms14×body640valid
2.0ms12×body1280valid
1.0ms12×body320valid
0.0msbody2560valid
0.0msbody160valid

simplify3.9s

Counts
1 → 1
Iterations

Useful iterations: 3 (11.0ms)

IterNodesCost
01113
12013
24513
311612
428412
565012
6149612
7317112
8492312
done500012

prune15.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 10.2b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) (- a z))
2.3b
(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)

series174.0ms

Counts
2 → 6
Calls
2 calls:
54.0ms
(/ (- y z) (- a z))
120.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

simplify986.0ms

Counts
70 → 70
Iterations

Useful iterations: done (984.0ms)

IterNodesCost
0116918
1266890
2705838
32259834
done5000832

prune228.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.0b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a z) (- y z))
0.4b
(/ 1 (/ (- a z) (- y z)))
2.3b
(fma (/ 1 (/ (- a z) (- y z))) (- t x) x)

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
195×add-sqr-sqrt *-un-lft-identity
91×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp associate-/l*
flip3-- flip-- div-inv
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp frac-2neg 1-exp clear-num associate-/l/
pow-flip div-sub fma-udef inv-pow
Counts
3 → 214
Calls
3 calls:
13.0ms
(/ (- a z) (- y z))
15.0ms
(/ 1 (/ (- a z) (- y z)))
0.0ms
(fma (/ 1 (/ (- a z) (- y z))) (- t x) x)

series344.0ms

Counts
3 → 9
Calls
3 calls:
60.0ms
(/ (- a z) (- y z))
145.0ms
(/ 1 (/ (- a z) (- y z)))
138.0ms
(fma (/ 1 (/ (- a z) (- y z))) (- t x) x)

simplify1.5s

Counts
223 → 223
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02733782
16433366
221892947
done50012935

prune483.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 3.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- y z))
0.2b
(* (- a z) (/ 1 (- y z)))
0.4b
(/ 1 (* (- a z) (/ 1 (- y z))))
3.2b
(fma (/ 1 (* (- a z) (/ 1 (- y z)))) (- t x) x)

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
52×add-exp-log
49×add-sqr-sqrt
43×*-un-lft-identity
35×times-frac
26×add-cube-cbrt
21×associate-*r*
20×div-exp add-cbrt-cube
16×prod-exp
10×pow1 rec-exp 1-exp associate-/r/
distribute-lft-out-- difference-of-squares
cbrt-undiv flip3-- associate-/r* flip-- associate-/l*
associate-*l*
expm1-log1p-u frac-times associate-*l/ cbrt-unprod log1p-expm1-u add-log-exp
pow-flip div-inv unswap-sqr
frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv inv-pow
*-commutative fma-udef
Counts
4 → 151
Calls
4 calls:
6.0ms
(/ 1 (- y z))
25.0ms
(* (- a z) (/ 1 (- y z)))
18.0ms
(/ 1 (* (- a z) (/ 1 (- y z))))
0.0ms
(fma (/ 1 (* (- a z) (/ 1 (- y z)))) (- t x) x)

series391.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(/ 1 (- y z))
58.0ms
(* (- a z) (/ 1 (- y z)))
148.0ms
(/ 1 (* (- a z) (/ 1 (- y z))))
145.0ms
(fma (/ 1 (* (- a z) (/ 1 (- y z)))) (- t x) x)

simplify1.5s

Counts
163 → 163
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01961944
14691609
216411309
done50001305

prune409.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 3.0b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a z))
0.3b
(* (/ 1 (- a z)) (- y z))
3.2b
(fma (* (/ 1 (- a z)) (- y z)) (- t x) x)

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
58×add-sqr-sqrt
52×*-un-lft-identity
35×add-cube-cbrt
32×times-frac
21×associate-*l*
18×prod-diff
16×add-exp-log
11×distribute-rgt-in distribute-lft-in
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*r* 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 sub-neg rec-exp 1-exp associate-*r/ cbrt-unprod div-inv
pow-flip frac-2neg pow-prod-down associate-*l/ clear-num *-commutative fma-udef inv-pow
Counts
3 → 126
Calls
3 calls:
6.0ms
(/ 1 (- a z))
28.0ms
(* (/ 1 (- a z)) (- y z))
0.0ms
(fma (* (/ 1 (- a z)) (- y z)) (- t x) x)

series331.0ms

Counts
3 → 9
Calls
3 calls:
43.0ms
(/ 1 (- a z))
147.0ms
(* (/ 1 (- a z)) (- y z))
141.0ms
(fma (* (/ 1 (- a z)) (- y z)) (- t x) x)

simplify1.6s

Counts
135 → 135
Iterations

Useful iterations: 2 (189.0ms)

IterNodesCost
02111965
15091620
218411298
done50001298

prune305.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 3.0b

regimes373.0ms

Accuracy

37.9% (5.4b remaining)

Error of 9.0b against oracle of 3.7b and baseline of 12.3b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03073
13873
done3873

end0.0ms

sample728.0ms

Algorithm
intervals
Results
263.0ms7765×body80valid
57.0ms468×body640valid
50.0ms288×body1280valid
41.0ms450×body320valid
16.0ms265×body160valid
6.0ms30×body2560valid