A credit ledger that grants GPU-hours, spends them, and expires unused grants. The trap is which grant to spend first. Here is the FIFO-by-expiry design.
Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.
A credit ledger that grants GPU-hours, spends them, and expires unused grants. The trap is which grant to spend first. Here is the FIFO-by-expiry design.
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