Details

Time bar (total: 17.0s)

sample28.0ms

Algorithm
intervals
Results
9.0ms265×body80valid
2.0ms14×body640valid
2.0ms12×body1280valid
1.0ms12×body320valid
0.0msbody2560valid
0.0msbody160valid

simplify2.7s

Counts
1 → 1
Iterations

Useful iterations: 3 (12.0ms)

IterNodesCost
01113
12013
24513
311412
427812
561412
6125012
7232112
8412812
done500012

prune8.0ms

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))
1.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

series186.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(/ (- y z) (- a z))
130.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

simplify2.1s

Counts
70 → 70
Iterations

Useful iterations: 4 (1.0s)

IterNodesCost
0116918
1266890
2623838
31565834
44603828
done5000828

prune241.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.2b

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)

rewrite44.0ms

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:
16.0ms
(/ (- a z) (- y z))
15.0ms
(/ 1 (/ (- a z) (- y z)))
0.0ms
(fma (/ 1 (/ (- a z) (- y z))) (- t x) x)

series339.0ms

Counts
3 → 9
Calls
3 calls:
53.0ms
(/ (- a z) (- y z))
150.0ms
(/ 1 (/ (- a z) (- y z)))
136.0ms
(fma (/ 1 (/ (- a z) (- y z))) (- t x) x)

simplify2.8s

Counts
223 → 223
Iterations

Useful iterations: done (2.8s)

IterNodesCost
02733782
16333270
214182947
340282867
done50002864

prune446.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 3.2b

localize12.0ms

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)

rewrite57.0ms

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)

series375.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(/ 1 (- y z))
53.0ms
(* (- a z) (/ 1 (- y z)))
149.0ms
(/ 1 (* (- a z) (/ 1 (- y z))))
134.0ms
(fma (/ 1 (* (- a z) (/ 1 (- y z)))) (- t x) x)

simplify2.9s

Counts
163 → 163
Iterations

Useful iterations: done (2.9s)

IterNodesCost
01961944
14581553
212191309
341441305
done50001303

prune401.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 3.2b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a z))
0.0b
(/ 1 (- y z))
0.2b
(/ (/ 1 (- a z)) (/ 1 (- y z)))
2.3b
(fma (/ (/ 1 (- a z)) (/ 1 (- y z))) (- t x) x)

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
1131×times-frac
700×add-sqr-sqrt *-un-lft-identity
420×add-cube-cbrt
140×distribute-lft-out-- difference-of-squares
93×associate-/r/
52×add-exp-log
47×div-inv
46×flip3-- flip--
36×div-exp
31×associate-/r*
27×associate-/l*
20×add-cbrt-cube
10×cbrt-undiv rec-exp 1-exp
pow1
expm1-log1p-u log1p-expm1-u add-log-exp
frac-2neg clear-num
pow-flip inv-pow
fma-udef associate-/l/
Counts
4 → 613
Calls
4 calls:
6.0ms
(/ 1 (- a z))
6.0ms
(/ 1 (- y z))
31.0ms
(/ (/ 1 (- a z)) (/ 1 (- y z)))
0.0ms
(fma (/ (/ 1 (- a z)) (/ 1 (- y z))) (- t x) x)

series366.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(/ 1 (- a z))
39.0ms
(/ 1 (- y z))
149.0ms
(/ (/ 1 (- a z)) (/ 1 (- y z)))
136.0ms
(fma (/ (/ 1 (- a z)) (/ 1 (- y z))) (- t x) x)

simplify2.0s

Counts
625 → 625
Iterations

Useful iterations: 2 (1.4s)

IterNodesCost
075015076
1220611234
243509996
done50009996

prune695.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 3.2b

regimes392.0ms

Accuracy

39.8% (5.2b remaining)

Error of 8.8b against oracle of 3.6b and baseline of 12.2b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02573
13358
done3358

end0.0ms

sample709.0ms

Algorithm
intervals
Results
258.0ms7765×body80valid
64.0ms468×body640valid
48.0ms450×body320valid
44.0ms288×body1280valid
17.0ms265×body160valid
6.0ms30×body2560valid