skiboot
SHA-Intrinsics
| skiboot | SHA-Intrinsics | |
|---|---|---|
| 1 | 2 | |
| 98 | 185 | |
| - | - | |
| 0.0 | 0.0 | |
| 4 months ago | 3 months ago | |
| C | C | |
| Apache License 2.0 | - |
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skiboot
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OPAL on Power8 S824 Question
It doesn't bypass the service processor, just works with it differently. It's a different bunch of code that gets loaded onto the POWER processor as it's Initial Program Load (IPL) and then gets to run an OS. You can even see the code in skiboot (OPAL) that talks to the FSP (Service Processor) in https://github.com/open-power/skiboot/tree/master/hw/fsp and related files.
SHA-Intrinsics
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Why Modern Software Is Slow
> dictionary hashing is too slow to be ideal
Even when you use SIMD intrinsics?
For example: https://en.wikipedia.org/wiki/Intel_SHA_extensions
A repo I just found illustrating those instructions' usage: https://github.com/noloader/SHA-Intrinsics
- SHA256 optimization for speed and memory for microcontrollers
What are some alternatives?
timer-mechanism - Using Timer Mechanisms for Linux
glyphy - GLyphy is a signed-distance-field (SDF) text renderer using OpenGL ES2 shading language.
likwid - Performance monitoring and benchmarking suite
calculator - Windows Calculator: A simple yet powerful calculator that ships with Windows
Diamorphine - LKM rootkit for Linux Kernels 2.6.x/3.x/4.x/5.x/6.x (x86/x86_64 and ARM64)
refterm - Reference monospace terminal renderer
fwupd - A system daemon to allow session software to update firmware
op-test - Testing Firmware for OpenPOWER systems