Compute Library
 22.11
misc.cpp
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24 
25 #ifndef NO_MULTI_THREADING
26 #include <mutex>
27 #endif
28 #include <cstdint>
29 
30 #include "arm_gemm.hpp"
31 #include "kernel_weight_format.hpp"
32 #include "utils.hpp"
33 
34 namespace arm_gemm {
35 
36 #ifndef NO_MULTI_THREADING
37 std::mutex report_mutex;
38 #endif
39 
40 WeightFormat get_weight_format(const KernelWeightFormat kwf, size_t element_size) {
43  }
44 
45  uint32_t kwf_i = static_cast<uint32_t>(kwf);
46  uint32_t wf_i = 0;
47 
48  const auto block_bytes = (kwf_i >> 8) & 0xf;
49  const auto vector_count = (kwf_i >> 12) & 0xf;
50 
51  uint32_t vector_bytes;
52 
53  // For fast mode BF16 kernels set the appropriate bit and override element size to 2.
54  if (kwf_i & 0x10) {
55  element_size = 2;
56  wf_i |= 0x10;
57  }
58 
59  // Get total bytes in vector output
60  if (kwf_i & 0x1) {
61  vector_bytes = vector_count * get_vector_length<uint8_t>();
62  } else {
63  vector_bytes = vector_count * 16;
64  }
65 
66  auto input_blocking = block_bytes / element_size;
67  auto output_blocking = vector_bytes / block_bytes;
68 
69  wf_i |= (input_blocking << 20);
70  wf_i |= (output_blocking << 8);
71 
72  return static_cast<WeightFormat>(wf_i);
73 }
74 
75 } // namespace arm_gemm
std::mutex report_mutex
Definition: misc.cpp:37
WeightFormat get_weight_format(const KernelWeightFormat, size_t)
Definition: misc.cpp:40