Call for review, please.
10/03/2020 09:21, Suanming Mou: > Currently, in the case to use bitmap as resource allocator, after > bitmap creation, all the bitmap bits should be set to indicate the > bit available. Every time when allocate one bit, search for the set > bits and clear it to make it in use. > > Add a new rte_bitmap_init_with_all_set() function to have a quick > fill up the bitmap bits. > > Comparing with the case create the bitmap as empty and set the bitmap > one by one, the new function costs less cycles. > > For bitmap with 1000 bits, create the bitmap with all bits set costs 754 > cycles, while set one by one costs 14194. CPU info as below: > Intel(R) Xeon(R) Silver 4110 CPU @ 2.10GHz > > Suanming Mou (2): > bitmap: add create bitmap with all bits set > test/bitmap: add bitmap create with all bits set case > > app/test/test_bitmap.c | 57 > +++++++++++++++++++++++++++++- > lib/librte_eal/common/include/rte_bitmap.h | 32 +++++++++++++++++ > 2 files changed, 88 insertions(+), 1 deletion(-) > >
