Re: [PATCH v5 10/10] tests/bench: Add bufferiszero-bench

2024-02-19 Thread Daniel P . Berrangé
On Sat, Feb 17, 2024 at 09:21:50AM -1000, Richard Henderson wrote: > On 2/16/24 23:49, Alexander Monakov wrote: > > > > On Fri, 16 Feb 2024, Richard Henderson wrote: > > > > > Benchmark each acceleration function vs an aligned buffer of zeros. > > > > > > Signed-off-by: Richard Henderson > > >

Re: [PATCH v5 10/10] tests/bench: Add bufferiszero-bench

2024-02-17 Thread Richard Henderson
On 2/16/24 23:49, Alexander Monakov wrote: On Fri, 16 Feb 2024, Richard Henderson wrote: Benchmark each acceleration function vs an aligned buffer of zeros. Signed-off-by: Richard Henderson --- + +static void test(const void *opaque) +{ +size_t len = 64 * KiB; This exceeds L1 cache cap

Re: [PATCH v5 10/10] tests/bench: Add bufferiszero-bench

2024-02-17 Thread Alexander Monakov
On Fri, 16 Feb 2024, Richard Henderson wrote: > Benchmark each acceleration function vs an aligned buffer of zeros. > > Signed-off-by: Richard Henderson > --- > + > +static void test(const void *opaque) > +{ > +size_t len = 64 * KiB; This exceeds L1 cache capacity, so the performance ceil

[PATCH v5 10/10] tests/bench: Add bufferiszero-bench

2024-02-16 Thread Richard Henderson
Benchmark each acceleration function vs an aligned buffer of zeros. Signed-off-by: Richard Henderson --- tests/bench/bufferiszero-bench.c | 42 tests/bench/meson.build | 4 ++- 2 files changed, 45 insertions(+), 1 deletion(-) create mode 100644 tests/b