message: [MLIR][KernelGen] Disable unrolling for lgamma and digamma kernels
  The two kernels are fairly big and do not benefit from vectorization.
diff: @@ -693,6 +693,28 @@ gpu_kernel_library(
  ],
  )
  +gpu_kernel_library(
  + name = "gpu_digamma_kernels",
  + op = "digamma",
  + tile_size = "256",
  + types = [
  + "f16",
  + "f32",
  + "f64",
  + ],
  +)
  +
  +gpu_kernel_library(
  + name = "gpu_lgamma_kernels",
  + op = "lgamma",
  + tile_size = "256",
  + types = [
  + "f16",
  + "f32",
  + "f64",
  + ],
  +)
  +
  gpu_kernel_library(
  name = "gpu_sign_kernels",
  op = "sign",
  @@ -976,11 +998,9 @@ gpu_kernel_library(
  )
  for op in [
  "ceil",
  - "digamma",
  "exp",
  "expm1",
  "floor",
  - "lgamma",
  "log",
  "log1p",
  "rsqrt",
  