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gxqwb

Research notes on quantum computing, AI infrastructure, blockchain systems and high-performance computing — and what they change in everyday life.

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TSN vs Plain Ethernet for Robot Cells: The 1 Millisecond Nobody Can Bill For

TSN vs Plain Ethernet for Robot Cells: The 1 Millisecond Nobody Can Bill For

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4 min read
Cryo-CMOS vs Room-Temperature Control: The Wiring Tax on Quantum Computers

Cryo-CMOS vs Room-Temperature Control: The Wiring Tax on Quantum Computers

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5 min read
GDDR7 vs HBM3E for Inference: Bandwidth per Dollar Stops Being the Question

GDDR7 vs HBM3E for Inference: Bandwidth per Dollar Stops Being the Question

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6 min read
DPU Offload vs Host Cores: When the 100G NIC Stops Being Free

DPU Offload vs Host Cores: When the 100G NIC Stops Being Free

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5 min read
InfiniBand vs Ethernet for AI Fabrics: The Congestion Bill Arrives Later

InfiniBand vs Ethernet for AI Fabrics: The Congestion Bill Arrives Later

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5 min read
Confidential Computing's Real Tax: SEV-SNP vs TDX vs H100 Confidential Mode

Confidential Computing's Real Tax: SEV-SNP vs TDX vs H100 Confidential Mode

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4 min read
Spot vs Reserved GPUs: The Utilisation Number That Decides Everything

Spot vs Reserved GPUs: The Utilisation Number That Decides Everything

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4 min read
HNSW vs IVF-PQ: You Are Paying for Recall in RAM

HNSW vs IVF-PQ: You Are Paying for Recall in RAM

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4 min read
MicroVM vs Container for Agent Sandboxes: The Cold-Start Bill Nobody Budgets

MicroVM vs Container for Agent Sandboxes: The Cold-Start Bill Nobody Budgets

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4 min read
Processing In Memory vs Wider Buses: Where the Memory Wall Actually Breaks

Processing In Memory vs Wider Buses: Where the Memory Wall Actually Breaks

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5 min read
Stop Address Poisoning: A Free, Local-Only Tool to Catch Look-Alike Crypto Wallets

Stop Address Poisoning: A Free, Local-Only Tool to Catch Look-Alike Crypto Wallets

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2 min read
Layers vs Bits per Cell: Where NAND Density Actually Runs Out

Layers vs Bits per Cell: Where NAND Density Actually Runs Out

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4 min read
Speculative Decoding vs Distillation: Two Ways to Buy Latency, One of Them Charges Quality

Speculative Decoding vs Distillation: Two Ways to Buy Latency, One of Them Charges Quality

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4 min read
1.58 Bits vs FP8: What Ternary Weights Actually Buy, and What They Break

1.58 Bits vs FP8: What Ternary Weights Actually Buy, and What They Break

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4 min read
Pooled Memory vs Local DIMMs: Why Half Your Rack's RAM Is Stranded

Pooled Memory vs Local DIMMs: Why Half Your Rack's RAM Is Stranded

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4 min read
Compressed Cache vs Bigger Context: The Memory Bill Behind Long Conversations

Compressed Cache vs Bigger Context: The Memory Bill Behind Long Conversations

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4 min read
FlapJax treasury FLAPJAX outflows, 2026-10-28 COT — a chain-only audit

FlapJax treasury FLAPJAX outflows, 2026-10-28 COT — a chain-only audit

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7 min read
Heat From Below: Geothermal vs SMR for Datacenter Baseload

Heat From Below: Geothermal vs SMR for Datacenter Baseload

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4 min read
The Reconfigurable Fabric: Optical Circuit Switching vs Electrical Packet in AI Clusters

The Reconfigurable Fabric: Optical Circuit Switching vs Electrical Packet in AI Clusters

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4 min read
Spikes vs Attention: Where Neuromorphic Chips Actually Save Energy

Spikes vs Attention: Where Neuromorphic Chips Actually Save Energy

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4 min read
The Data Wall: Why Synthetic Data Buys Time but Not Accuracy

The Data Wall: Why Synthetic Data Buys Time but Not Accuracy

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4 min read
Trusted Nodes vs Pure Math: Why Quantum Key Distribution Loses to Post-Quantum Cryptography

Trusted Nodes vs Pure Math: Why Quantum Key Distribution Loses to Post-Quantum Cryptography

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5 min read
Analog In-Memory Computing Versus the Digital NPU: The Energy Per MAC Argument

Analog In-Memory Computing Versus the Digital NPU: The Energy Per MAC Argument

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5 min read
The Reticle Wall: Why Packaging Became the Real Fab Constraint

The Reticle Wall: Why Packaging Became the Real Fab Constraint

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5 min read
800 Volts Versus 48: Why the Rack Power Standard Is Breaking

800 Volts Versus 48: Why the Rack Power Standard Is Breaking

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5 min read
LPDDR6 Versus HBM: The Memory Fight Moves to the Edge

LPDDR6 Versus HBM: The Memory Fight Moves to the Edge

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5 min read
Six Years in the Queue: Why Datacenters Are Building Their Own Power Plants

Six Years in the Queue: Why Datacenters Are Building Their Own Power Plants

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5 min read
The Migration Nobody Budgeted For: Post-Quantum Cryptography in Production

The Migration Nobody Budgeted For: Post-Quantum Cryptography in Production

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5 min read
Twenty Millijoules: What Event-Driven Sensing Changes About Always-On Devices

Twenty Millijoules: What Event-Driven Sensing Changes About Always-On Devices

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5 min read
Cheap Cells, Heavy Racks: Where Sodium-Ion Storage Actually Wins

Cheap Cells, Heavy Racks: Where Sodium-Ion Storage Actually Wins

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5 min read
The Bandwidth Wall: Your Inference Bill Is Set by Memory, Not FLOPS

The Bandwidth Wall: Your Inference Bill Is Set by Memory, Not FLOPS

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5 min read
Event Cameras Leave the Lab: Neuromorphic Vision in Warehouses, Cars and Factories

Event Cameras Leave the Lab: Neuromorphic Vision in Warehouses, Cars and Factories

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4 min read
Proving Without Revealing: zkVM Throughput and the Real Cost of On-Chain Identity

Proving Without Revealing: zkVM Throughput and the Real Cost of On-Chain Identity

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5 min read
Co-Packaged Optics Is Eating the Copper Backplane

Co-Packaged Optics Is Eating the Copper Backplane

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4 min read
Serving LLMs at 12 Watts: The Edge-Inference Cost Curve Nobody Budgeted For

Serving LLMs at 12 Watts: The Edge-Inference Cost Curve Nobody Budgeted For

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5 min read
Logical Qubits Are Getting Cheap: A Developer's Map of the Quantum Error-Correction Stack

Logical Qubits Are Getting Cheap: A Developer's Map of the Quantum Error-Correction Stack

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6 min read
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