get_host_total_memory (sysconf / hw.memsize / GlobalMemoryStatusEx), DefaultHostMemoryBudget at 75% of
the total - decided from the total, never from what is free, as the GPU plans are - and HostWorkerPool,
a process-wide pool (a third of the budget) that workers reserve their large buffers against before
making them, so how many run at once is decided by bytes rather than threads. Only scheduling reads
any of it. [HostMemory] tests.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PXc1zD1yxHqaR1DGdCTHL4
