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Bitwise»Episode Guide
More Code Generation, Part 1
References ▼
Intel® Software
Choose & Download | Intel® System Studio
[1]8:02
Microsoft Docs
Windows Performance Toolkit
[2]8:02
ReactOS
ntoskrnl/​mm/​mmfault.c Source File
[3]14:44
PerfMon Events
[4]19:25
Brendan Gregg
Linux perf Examples
[5]19:25
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Per Vognsen
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0:08Recap and set the stage for the day
🗩
0:08Recap and set the stage for the day
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0:08Recap and set the stage for the day
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0:45Run the program and consult the performance profile with a few words on our memory allocation
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0:45Run the program and consult the performance profile with a few words on our memory allocation
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0:45Run the program and consult the performance profile with a few words on our memory allocation
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5:18Explain some of the performance considerations involved in allocating memory, including TLB (translation lookaside buffer) misses and demand clearing of memory pages
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5:18Explain some of the performance considerations involved in allocating memory, including TLB (translation lookaside buffer) misses and demand clearing of memory pages
🗩
5:18Explain some of the performance considerations involved in allocating memory, including TLB (translation lookaside buffer) misses and demand clearing of memory pages
🗩
8:02Recommend Intel VTune1 and Windows Performance Toolkit2
📖
8:02Recommend Intel VTune1 and Windows Performance Toolkit2
📖
8:02Recommend Intel VTune1 and Windows Performance Toolkit2
📖
14:44Run the program and consult VTune's Advanced Hotspot Analysis, and ReactOS3
🏃
14:44Run the program and consult VTune's Advanced Hotspot Analysis, and ReactOS3
🏃
14:44Run the program and consult VTune's Advanced Hotspot Analysis, and ReactOS3
🏃
19:25Run the program and consult VTune's General Exploration Microarchitecture Analysis, with an explanation of basic sampling vs instrumentation profiling, and mentions of PerfMon Events4 and perf5
🏃
19:25Run the program and consult VTune's General Exploration Microarchitecture Analysis, with an explanation of basic sampling vs instrumentation profiling, and mentions of PerfMon Events4 and perf5
🏃
19:25Run the program and consult VTune's General Exploration Microarchitecture Analysis, with an explanation of basic sampling vs instrumentation profiling, and mentions of PerfMon Events4 and perf5
🏃
27:01Switch back to using xmalloc() and enable the full code generation code
27:01Switch back to using xmalloc() and enable the full code generation code
27:01Switch back to using xmalloc() and enable the full code generation code
27:29Run it to see that it's way slower, and investigate why
🏃
27:29Run it to see that it's way slower, and investigate why
🏃
27:29Run it to see that it's way slower, and investigate why
🏃
36:04praet_a51 processExplorer has a search feature that can locate file locks
🗪
36:04praet_a51 processExplorer has a search feature that can locate file locks
🗪
36:04praet_a51 processExplorer has a search feature that can locate file locks
🗪
36:36Continue to investigate this slowdown
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36:36Continue to investigate this slowdown
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36:36Continue to investigate this slowdown
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37:38Revert buf__grow() to the old committed code
37:38Revert buf__grow() to the old committed code
37:38Revert buf__grow() to the old committed code
38:35Run it to find that it's still very slow
🏃
38:35Run it to find that it's still very slow
🏃
38:35Run it to find that it's still very slow
🏃
39:24badflydog If you go to 'Users' in Task Manager you can see if the CPU usage comes from other places than your account
🗪
39:24badflydog If you go to 'Users' in Task Manager you can see if the CPU usage comes from other places than your account
🗪
39:24badflydog If you go to 'Users' in Task Manager you can see if the CPU usage comes from other places than your account
🗪
40:49elventhief Any VTune service process running?
🗪
40:49elventhief Any VTune service process running?
🗪
40:49elventhief Any VTune service process running?
🗪
40:53Reboot
🗹
40:53Reboot
🗹
40:53Reboot
🗹