AN720 データシートの表示（PDF） - Silicon Laboratories
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AN720 Datasheet PDF : 28 Pages
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AN720
Table 6. Precision32 Toolchain Optimization Comparison—sim3u1xx_Blinky Debug
Library
newlib nohosting -O0
newlib nohosting -O1
newlib nohosting -O2
newlib nohosting -O3
newlib nohosting -Os
redlib nohosting -O0
redlib nohosting -O1
redlib nohosting -O2
redlib nohosting -O3
redlib nohosting -Os
Code (bytes)
Read Only
Data (bytes)
34864
34032
33960
33960
33808
13080
12056
12096
12096
11768
Read-Write
Data (bytes)
2248
2248
2248
2248
2248
4
4
4
4
4
Zero-Initialized
Data (bytes)
68
68
68
68
68
344
344
344
344
344
Table 7. Precision32 Toolchain Optimization Comparison—demo_si32UsbAudio Debug
Library
newlib nohosting -O0
newlib nohosting -O1
newlib nohosting -O2
newlib nohosting -O3
newlib nohosting -Os
redlib nohosting -O0
redlib nohosting -O1
redlib nohosting -O2
redlib nohosting -O3
redlib nohosting -Os
Code (bytes)
Read Only
Data (bytes)
108144
84400
83152
85136
76528
76120
52048
50752
52736
44128
Read-Write
Data (bytes)
6944
6944
6944
6944
6928
4704
4700
4700
4700
4688
Zero-Initialized
Data (bytes)
11848
11852
11852
11856
11848
12124
12124
12124
12128
12120
Table 8. Precision32 Toolchain Optimization Comparison—CoreMark Debug Size
Library
newlib semihosting -O0
newlib semihosting -O1
newlib semihosting -O2
newlib semihosting -O3
newlib semihosting -Os
redlib nohosting -O0
redlib nohosting -O1
redlib nohosting -O2
redlib nohosting -O3
redlib nohosting -Os
Code (bytes)
Read Only
Data (bytes)
46900
41812
42828
45948
40284
24344
19160
20176
23296
17624
Read-Write
Data (bytes)
2352
2256
2256
2256
2256
112
12
12
12
12
Zero-Initialized
Data (bytes)
2140
2140
2140
2140
2140
2360
2360
2360
2360
2360
12
Rev. 0.1
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