rcgldr's latest activity
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rcgldr replied to the thread If you think having a backup is too expensive, try not having one.At my first job in 1973, on a multi-computer multi-tasking database server using HP 2100s, the system had the advantage that is was... -
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rcgldr replied to the thread Q-Day: When Quantum Computers can Factor ultra-large numbers in a few....Putting this into perspective. In 2001, quantum computers were able to factor 15 into prime numbers 3 and 5. As of 2025, they haven't...
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rcgldr replied to the thread Learning Assembly and computer architecture for x86.Do web search for "banks required to use decimal math in the US", and you will find explanations. I'm aware that the government...
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rcgldr replied to the thread Learning Assembly and computer architecture for x86.In 2001, the U.S. Securities and Exchange Commission (SEC) mandated "decimalization" for all U.S. stock markets (xx 3/4 becomes xx.75)...
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rcgldr replied to the thread Learning Assembly and computer architecture for x86.Current Macs are using ARM M1 and M2 processors (an ARM processor is essentially VHDL that becomes part of the main chip that also...
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rcgldr replied to the thread Learning Assembly and computer architecture for x86.Financial institutions are required by law to perform the math in decimal. Cobol typically does this using packed decimal (BCD). This...
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rcgldr replied to the thread Learning Assembly and computer architecture for x86.I have about 25 Windows console mode X86 64 bit assembly only programs, generally math oriented stuff.
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rcgldr replied to the thread Learning Assembly and computer architecture for x86.In the case of RISC-V, they've added Galois field instructions to speed up erasure code (RVV), and some have pre-fetch instructions...
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rcgldr replied to the thread Learning Assembly and computer architecture for x86.X86 instruction set is a moving target. As suggested by others, start off with what a C compiler generates. Advanced stuff like AVX512 +...
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rcgldr replied to the thread When should a beginner programmer learn vims/emacs?.I started programming in 1968, using punched cards. There were several batch editors for text files stored on a disk drive at the...
