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Document the two HUGETLB options for buffer allocation

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Martin Kroeker 2024-04-24 17:49:40 +02:00 committed by GitHub
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Makefile.rule
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@ -219,6 +219,16 @@ NO_AFFINITY = 1
# to the user space. If bigphysarea is enabled, it will use it. # to the user space. If bigphysarea is enabled, it will use it.
# DEVICEDRIVER_ALLOCATION = 1 # DEVICEDRIVER_ALLOCATION = 1
# Use large page allocation (called hugepage support in Linux context)
# for the thread buffers (with access by shared memory operations)
# HUGETLB_ALLOCATION = 1
# Use large page allocation called hugepages in Linux) based on mmap accessing
# a memory-backed pseudofile (requires hugetlbfs to be mounted in the system,
# the example below has it mounted on /hugepages. OpenBLAS will create the backing
# file as gotoblas.processid in that path)
# HUGETLBFILE_ALLOCATION = /hugepages
# If you need to synchronize FP CSR between threads (for x86/x86_64 and aarch64 only). # If you need to synchronize FP CSR between threads (for x86/x86_64 and aarch64 only).
# CONSISTENT_FPCSR = 1 # CONSISTENT_FPCSR = 1