Details

Time bar (total: 14.9s)

sample125.0ms

Algorithm
intervals
Results
86.0ms188×body1280valid
12.0ms43×body640valid
11.0ms232×body80valid
2.0ms11×body320valid
1.0msbody160valid

simplify3.1s

Counts
1 → 1
Iterations
IterNodes
done2000
1571992
1561979
1551973
1541954
1531946
1521933
1511927
1501908
1491900
1481887
1471881
1461862
1451854
1441841
1431835
1421816
1411806
1401793
1391787
1381768
1371756
1361743
1351737
1341718
1331706
1321693
1311687
1301666
1291656
1281639
1271633
1261618
1251604
1241591
1231585
1221566
1211558
1201545
1191539
1181520
1171510
1161497
1151491
1141472
1131462
1121449
1111443
1101424
1091414
1081401
1071395
1061376
1051366
1041353
1031347
1021328
1011318
1001305
991299
981280
971270
961257
951251
941232
931222
921209
911203
901184
891174
881161
871155
861136
851130
841117
831111
821092
811082
801069
791063
781044
771036
761023
751017
74998
73990
72977
71971
70952
69942
68929
67923
66904
65894
64881
63875
62856
61846
60833
59827
58808
57798
56785
55779
54760
53750
52737
51731
50712
49702
48689
47683
46664
45654
44641
43635
42616
41606
40593
39587
38568
37556
36543
35537
34518
33510
32497
31491
30472
29462
28449
27443
26424
25414
24401
23395
22376
21368
20355
19349
18330
17320
16307
15301
14284
13274
12253
11246
10215
9173
8101
773
664
560
457
343
227
115
07

prune6.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 28.4b

localize14.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2)
3.0b
(+ (- (exp x) 2) (exp (- x)))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
25×*-un-lft-identity
20×add-sqr-sqrt
18×prod-diff
16×add-cube-cbrt
11×associate-+l+
add-log-exp
fma-def
frac-add
flip3-- fma-neg flip-- distribute-lft-out--
neg-sub0 exp-neg expm1-log1p-u pow1 sum-log sub-neg add-cbrt-cube exp-diff diff-log add-exp-log insert-posit16 log1p-expm1-u distribute-lft-out difference-of-squares
+-commutative flip3-+ associate-+l- flip-+
Counts
2 → 67
Calls
2 calls:
18.0ms
(- (exp x) 2)
53.0ms
(+ (- (exp x) 2) (exp (- x)))

series113.0ms

Counts
2 → 6
Calls
2 calls:
18.0ms
(- (exp x) 2)
95.0ms
(+ (- (exp x) 2) (exp (- x)))

simplify665.0ms

Counts
73 → 73
Iterations
IterNodes
done2002
2876
1300
0124

prune235.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(* x (* x x))
0.1b
(* x (* x x))
0.1b
(* (* x (* x x)) (* x (* x x)))
0.1b
(* (* x x) (* x x))

rewrite208.0ms

Algorithm
rewrite-expression-head
Rules
403×pow1
162×pow-prod-up
102×pow-prod-down
62×add-cbrt-cube add-exp-log
54×pow-sqr
41×pow-plus prod-exp cbrt-unprod
30×pow2
16×cube-unmult
add-sqr-sqrt associate-*l*
*-un-lft-identity add-cube-cbrt
expm1-log1p-u associate-*r* *-commutative insert-posit16 log1p-expm1-u add-log-exp
unswap-sqr
swap-sqr
Counts
4 → 222
Calls
4 calls:
27.0ms
(* x (* x x))
27.0ms
(* x (* x x))
119.0ms
(* (* x (* x x)) (* x (* x x)))
26.0ms
(* (* x x) (* x x))

series259.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(* x (* x x))
62.0ms
(* x (* x x))
69.0ms
(* (* x (* x x)) (* x (* x x)))
63.0ms
(* (* x x) (* x x))

simplify624.0ms

Counts
234 → 234
Iterations
IterNodes
done2002
2717
1346
0122

prune401.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize68.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (exp x) (exp x))
0.0b
(* (exp x) (exp x))
0.1b
(fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4))
4.1b
(+ (fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4)) (* (exp x) (exp x)))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
36×exp-prod
29×add-sqr-sqrt
25×*-un-lft-identity add-cube-cbrt
18×pow1
add-cbrt-cube pow-prod-down pow-sqr pow-prod-up
swap-sqr associate-*r* associate-*l* add-log-exp
expm1-log1p-u add-exp-log insert-posit16 log1p-expm1-u
fma-def
pow2 pow-plus prod-exp *-commutative cbrt-unprod fma-udef unswap-sqr
+-commutative associate-+l+ sum-log flip3-+ flip-+
Counts
4 → 103
Calls
4 calls:
27.0ms
(* (exp x) (exp x))
27.0ms
(* (exp x) (exp x))
0.0ms
(fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4))
11.0ms
(+ (fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4)) (* (exp x) (exp x)))

series305.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(* (exp x) (exp x))
25.0ms
(* (exp x) (exp x))
93.0ms
(fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4))
160.0ms
(+ (fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4)) (* (exp x) (exp x)))

simplify661.0ms

Counts
115 → 115
Iterations
IterNodes
done2001
2977
1282
0109

prune573.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize61.0ms

Local error

Found 4 expressions with local error:

0.0b
(cbrt (* (exp x) (exp x)))
0.0b
(* (cbrt (* (exp x) (exp x))) (cbrt (* (exp x) (exp x))))
0.1b
(fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4))
4.6b
(+ (fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4)) (* (* (cbrt (* (exp x) (exp x))) (cbrt (* (exp x) (exp x)))) (cbrt (* (exp x) (exp x)))))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
11×pow1
cbrt-prod *-un-lft-identity add-cube-cbrt
pow1/3
add-exp-log add-log-exp
expm1-log1p-u add-cbrt-cube swap-sqr associate-*r* associate-*l* insert-posit16 log1p-expm1-u unswap-sqr
fma-def
pow-prod-down pow-sqr pow-prod-up fma-udef
pow2 +-commutative associate-+l+ sum-log flip3-+ pow-plus prod-exp *-commutative cbrt-unprod flip-+
Counts
4 → 78
Calls
4 calls:
16.0ms
(cbrt (* (exp x) (exp x)))
40.0ms
(* (cbrt (* (exp x) (exp x))) (cbrt (* (exp x) (exp x))))
0.0ms
(fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4))
12.0ms
(+ (fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4)) (* (* (cbrt (* (exp x) (exp x))) (cbrt (* (exp x) (exp x)))) (cbrt (* (exp x) (exp x)))))

series496.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(cbrt (* (exp x) (exp x)))
136.0ms
(* (cbrt (* (exp x) (exp x))) (cbrt (* (exp x) (exp x))))
89.0ms
(fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4))
148.0ms
(+ (fma (exp x) (fma (* (exp x) (exp x)) (exp x) -8) (fma (exp x) 2 4)) (* (* (cbrt (* (exp x) (exp x))) (cbrt (* (exp x) (exp x)))) (cbrt (* (exp x) (exp x)))))

simplify779.0ms

Counts
90 → 90
Iterations
IterNodes
done2001
2852
1298
0125

prune541.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

regimes18.0ms

Accuracy

0% (0.5b remaining)

Error of 0.6b against oracle of 0.1b and baseline of 0.6b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done10
110
09

end0.0ms

sample5.4s

Algorithm
intervals
Results
3.9s5684×body1280valid
528.0ms7792×body80valid
457.0ms1245×body640valid
211.0ms600×body320valid
86.0ms301×body160valid