45 lines
2.8 KiB
Plaintext
45 lines
2.8 KiB
Plaintext
[video member=miotatsu stream_platform=twitch project=riscy title="Pure & Utter Insanity (Dhrystone)" vod_platform=youtube id=ZbfKjf6YU7s annotator=Miblo]
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[0:07][Recap with a few words on the pronunciation of Dhrystone[ref
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site=YouTube
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page="How to pronounce Dhrystone"
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url=https://www.youtube.com/watch?v=arzzKwEsS0s]]
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[2:25][Reflect on the unimpressive nature of synthetic benchmarks][:profiling]
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[4:14][Study the procedures in dhry_1.c][:profiling :research]
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[8:27][Study Func_2() and Func_1() in dhry_2.c][:profiling :research :"string manipulation"]
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[20:15][Consult the documentation on strcmp()[ref
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site=cppreference.com
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page=strcmp
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url=http://en.cppreference.com/w/c/string/byte/strcmp]][:research :"string manipulation"]
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[22:05][Continue studying Func_2() in dhry_2.c][:profiling :research :"string manipulation"]
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[23:24][Try to establish which strcpy() and strcmp() we are using][:research :"string manipulation"]
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[31:42][@croepha][Hey Buddy]
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[31:46][Read strcmp.c and strcpy.c][:research :"string manipulation"]
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[33:15][Return to dhry_1.c and determine that the comments may come from the original, 1-indexed Ada implementation][:language]
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[35:17][Read Proc_7() and Proc_8() in dhry_2.c][:profiling :research]
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[42:46][Read Proc_1() in dhry_1.c][:profiling :research]
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[45:36][Read Proc_3() in dhry_1.c][:profiling :research]
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[48:35][Return to Proc_1() in dhry_1.c, after the call to Proc_3()][:profiling :research]
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[49:33][Read Proc_6() in dhry_2.c][:profiling :research]
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[51:16][This is just bananacakes]
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[51:36][@croepha][It wasn't me, but I am a mad man]
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[52:03][Read Func_3() in dhry_2.c][:profiling :research]
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[52:36][@croepha][It depends on what you mean, I might be worse. I do things with macros that would probably drive you crazy. I also make code generators]
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[53:21][Continue to read Proc_6() and Func_3() in dhry_2.c][:profiling :research]
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[54:30][Finish reading Proc_1()][:profiling :research]
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[55:12][Wonder if this program was carefully crafted to exercise the instructions well, and to confuse the compiler][:research]
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[56:52][Try to reorient ourselves][:research]
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[57:54][@croepha][/me goes off to try some of this syntax]
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[57:56][A few words on the old-style C code][:language]
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[1:00:22][@croepha][Does that compile for you?]
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[1:03:08][Continue to read through the main :timing loop in dhry_1.c][:profiling :research]
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[1:05:02][Read Proc_2() in dhry_1.c][:profiling :research]
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[1:06:53][Scan through the statistical printing code in dhry_1.c][:profiling :research]
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[1:07:46][Reflect on our experience investigating this demo]
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[1:08:45][We are out of time, with a note that we ought to update the Freedom E SDK]
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[1:10:17][@croepha][Are you excited about any other \[sic\] RISC-V chips? Any comments on the privileged mode instruction spec draft?]
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[1:12:18][Point out lowRISC[ref
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site=lowRISC
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url=http://www.lowrisc.org/]]
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[1:13:54][Thank you]
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[/video]
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