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126 lines
3.3 KiB
Markdown
126 lines
3.3 KiB
Markdown
3 years ago
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# Coremark
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Some experiments...
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#### RAM = external SRAM
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* -O1 plus all -O2/O3 that are ok (skip -fschedule-insns -fschedule-insns2; **bug?**)
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```
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A2P> coremark
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Calling coremark...
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2K performance run parameters for coremark.
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CoreMark Size : 666
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Total ticks : 1152638655
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Total time (secs): 11
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Iterations/Sec : 181
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Iterations : 2000
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Compiler version : GCC9.3.0
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Compiler flags :
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Memory location : STACK
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seedcrc : 0xe9f5
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[0]crclist : 0xe714
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[0]crcmatrix : 0x1fd7
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[0]crcstate : 0x8e3a
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[0]crcfinal : 0x4983
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Correct operation validated. See README.md for run and reporting rules.
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```
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#### RAM = BRAM
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```
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A2P> coremark
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Calling coremark...
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2K performance run parameters for coremark.
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CoreMark Size : 666
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Total ticks : 2362015571
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Total time (secs): 23
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Iterations/Sec : 217
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Iterations : 5000
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Compiler version : GCC9.3.0
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Compiler flags :
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Memory location : STACK
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seedcrc : 0xe9f5
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[0]crclist : 0xe714
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[0]crcmatrix : 0x1fd7
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[0]crcstate : 0x8e3a
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[0]crcfinal : 0xbd59
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Correct operation validated. See README.md for run and reporting rules.
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rc=0
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A2P> mem_list
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Available memory regions:
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ROM 0x00000000 0x10000
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SRAM 0x00100000 0x10000
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CSR 0xfff00000 0x10000
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```
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#### cr_bypass=false
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```
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A2P> coremark
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Calling coremark...
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2K performance run parameters for coremark.
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CoreMark Size : 666
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Total ticks : 2848000072
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Total time (secs): 28
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Iterations/Sec : 178
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Iterations : 5000
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Compiler version : GCC9.3.0
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Compiler flags :
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Memory location : STACK
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seedcrc : 0xe9f5
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[0]crclist : 0xe714
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[0]crcmatrix : 0x1fd7
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[0]crcstate : 0x8e3a
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[0]crcfinal : 0xbd59
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Correct operation validated. See README.md for run and reporting rules.
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```
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#### all byps=false
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* fascinating! unaligned excp - must be riddled with bugs...
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```
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A2P> coremark
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Calling coremark...
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Unhandled exception: 00000006
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SRR0: 00004FC0
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SRR1: 00000000
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DAR: 00000001
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DSISR: 00000000
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A2P> mem_read 0x4f00 256
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Memory dump:
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0x00004f00 3b a0 00 00 4b ff fb 04 3b a0 00 00 63 bd ff ff ;...K...;...c...
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0x00004f10 3f 00 00 10 4b ff fa f4 60 00 00 00 60 00 00 00 ?...K...`...`...
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0x00004f20 94 21 ff c0 7c 08 02 a6 90 01 00 44 93 c1 00 38 .!..|......D...8
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0x00004f30 39 20 ff ff 7c fe 3b 78 51 3e 60 26 7c 6b 1b 79 9 ..|.;xQ>`&|k.y
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0x00004f40 41 82 05 a4 92 81 00 10 92 a1 00 14 92 c1 00 18 A...............
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0x00004f50 92 e1 00 1c 93 01 00 20 93 21 00 24 93 41 00 28 ....... .!.$.A.(
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0x00004f60 93 61 00 2c 93 81 00 30 93 a1 00 34 93 e1 00 3c .a.,...0...4...<
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0x00004f70 7c d8 33 78 54 fc 04 3e 55 7d 08 3c 3a e5 ff fe |.3xT..>U}.<:...
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0x00004f80 7c d7 ea 14 1f 2b ff fe 7c c8 33 78 38 a0 00 00 |....+..|.3x8...
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0x00004f90 1c 0b ff fc 60 00 00 00 60 00 00 00 60 00 00 00 ....`...`...`...
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0x00004fa0 7c 79 42 14 7c 69 1b 78 48 00 00 18 60 00 00 00 |yB.|i.xH...`...
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0x00004fb0 60 00 00 00 60 00 00 00 60 00 00 00 60 00 00 00 `...`...`...`...
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0x00004fc0 a5 49 00 02 7d 5c 52 14 b1 49 00 00 7c 08 48 40 .I..}\R..I..|.H@
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0x00004fd0 40 82 ff f0 3b e5 00 01 7d 00 18 50 7c 0b f8 40 @...;...}..P|..@
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0x00004fe0 41 82 00 10 7f e5 fb 78 4b ff ff b8 60 00 00 00 A......xK...`...
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0x00004ff0 57 fb 10 3a 3a c4 ff fc 7e da b3 78 7e cb b3 78 W..::...~..x~..x
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```
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```
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00004f20 <matrix_test>:
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...
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4fc0: a5 49 00 02 lhzu r10,2(r9)
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```
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