[arm_gemm] Import fixed-format kernels from gemm_linux.

This is a No Functional Change Intended (NFCI) patch. It imports the
kernel in the code, but the interface to select them and expose the
format of the weight tensors to the user will be provided in a
subsequent patch.

Kernels and kernel selection code in arm_gemm has been provided
by David.Mansell <David.Mansell@arm.com>.

The kernels are not compiled in the library by default, but need to be
selected via the `scons` option `experimental_fixed_format_kernels=1`.

Resolves: ONCPUML-829
Signed-off-by: Francesco.Petrogalli@arm.com <francesco.petrogalli@arm.com>
Change-Id: If00ccb2b9b7221e01b214cf9783111226ccc8bf4
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/7380
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Reviewed-by: SiCong Li <sicong.li@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 45 insertions, 3 deletions

diff --git a/src/cpu/kernels/assembly/arm_gemm.hpp b/src/cpu/kernels/assembly/arm_gemm.hpp
index 200e04f9a8..9920b863d9 100644
--- a/src/cpu/kernels/assembly/arm_gemm.hpp
+++ b/src/cpu/kernels/assembly/arm_gemm.hpp
@@ -47,6 +47,46 @@ enum class GemmMethod
     GEMM_HYBRID_QUANTIZED
 };
 
+enum class WeightFormat
+{
+    UNSPECIFIED    = 0x1,
+    ANY            = 0x2,
+    OHWI           = 0x100100,
+    OHWIo2         = 0x100200,
+    OHWIo4         = 0x100400,
+    OHWIo8         = 0x100800,
+    OHWIo16        = 0x101000,
+    OHWIo32        = 0x102000,
+    OHWIo64        = 0x104000,
+    OHWIo128       = 0x108000,
+    OHWIo4i2       = 0x200400,
+    OHWIo4i2_bf16  = 0x200410,
+    OHWIo8i2       = 0x200800,
+    OHWIo8i2_bf16  = 0x200810,
+    OHWIo16i2      = 0x201000,
+    OHWIo16i2_bf16 = 0x201010,
+    OHWIo32i2      = 0x202000,
+    OHWIo32i2_bf16 = 0x202010,
+    OHWIo64i2      = 0x204000,
+    OHWIo64i2_bf16 = 0x204010,
+    OHWIo4i4       = 0x400400,
+    OHWIo4i4_bf16  = 0x400410,
+    OHWIo8i4       = 0x400800,
+    OHWIo8i4_bf16  = 0x400810,
+    OHWIo16i4      = 0x401000,
+    OHWIo16i4_bf16 = 0x401010,
+    OHWIo32i4      = 0x402000,
+    OHWIo32i4_bf16 = 0x402010,
+    OHWIo64i4      = 0x404000,
+    OHWIo64i4_bf16 = 0x404010,
+    OHWIo2i8       = 0x800200,
+    OHWIo4i8       = 0x800400,
+    OHWIo8i8       = 0x800800,
+    OHWIo16i8      = 0x801000,
+    OHWIo32i8      = 0x802000,
+    OHWIo64i8      = 0x804000
+};
+
 struct KernelDescription
 {
     GemmMethod  method         = GemmMethod::DEFAULT;
@@ -69,6 +109,7 @@ struct GemmConfig
     std::string  filter           = "";
     unsigned int inner_block_size = 0;
     unsigned int outer_block_size = 0;
+    WeightFormat weight_format    = WeightFormat::ANY;
 
     GemmConfig(GemmMethod method)
         : method(method)
@@ -111,15 +152,16 @@ public:
     bool              _indirect_input;
     Activation        _act;
     int               _maxthreads;
+    bool              _fixed_format;
     bool              _fast_mode;
     const GemmConfig *_cfg;
 
     GemmArgs(const CPUInfo *ci, unsigned int M, unsigned int N,
              unsigned int K, unsigned int Ksections, unsigned int nbatches,
              unsigned int nmulti, bool indirect_input, Activation act, const int maxthreads,
-             bool fast_mode = false, const GemmConfig *cfg = nullptr)
-        : _ci(ci), _Msize(M), _Nsize(N), _Ksize(K), _Ksections(Ksections), _nbatches(nbatches), _nmulti(nmulti), _indirect_input(indirect_input), _act(act), _maxthreads(maxthreads), _fast_mode(fast_mode),
-          _cfg(cfg)
+             bool fixed_format = false, bool fast_mode = false, const GemmConfig *cfg = nullptr)
+        : _ci(ci), _Msize(M), _Nsize(N), _Ksize(K), _Ksections(Ksections), _nbatches(nbatches), _nmulti(nmulti), _indirect_input(indirect_input), _act(act), _maxthreads(maxthreads),
+          _fixed_format(fixed_format), _fast_mode(fast_mode), _cfg(cfg)
     {
     }
 };