On Sun, Jun 14, 2009 at 2:16 PM, Christian Packmann<Christian.Packmann@xxxxxx> wrote: > After being sidetracked on several other things, I'm currently working on > the SIMD optims for BilinearCopy again. > > Benchmark binaries for Haiku/GCC2 and Windows/Cygwin can be downloaded here: > http://www.elenthara.de/Haiku/Benchmarks/AppserverBilinCopyBench_v1.0.zip > (The Windows version *requires* a basic Cygwin environment to be installed; > I'll have to setup a MingW environment to get rid of the Cygwin dependency, > but don't have time for this right now) I didn't see any Atom benchmarks, so I figured I'd toss one up :) Note, this machine is running gcc4 Haiku r30980 - which I suspect doesn't matter really. ~> runme_haiku Benchmark: Haiku app_server bilinear copy Compile date: Jun 14 2009 14:38:02 GCC version: 2.95.3-haiku-081024 CPU vendor ID: GenuineIntel CPU: Intel(R) Atom(TM) CPU N270 @ 1.60GHz SIMD instructions: MMX SSE SSE-Integer SSE2 SSE3 SSSE3 Can't lock process to CPU on this platform. Estimated CPUID/RDTSC overhead: 132 clock cycles. 10 runs per benchmark. -- Results -- Minimum Average Maximum # 1: 1046784 1074346 1282392 - 'C, original' # 2: 1164516 1173552 1206912 - 'C, precise' # 3: 1288284 1293818 1305444 - 'C, precise DIV' # 4: 520128 521977 530472 - 'MMX/SSE' # 5: 454704 461757 488664 - 'MMX/SSE optim-test' # 6: 482016 483688 492480 - 'SSE2' # 7: 515856 517687 526404 - 'SSSE3' Perhaps I'll try it on one of my PII boxes later if I have some time.