message: Enabling non trivial fast tuning for all vendors.
diff: @@ -248,13 +248,8 @@ Status GetBestWorkGroup(const TuningParameters& params, const CLKernel& kernel,
  const int3& grid, int3* best_work_group) {
  switch (params.tuning_type) {
  case TuningType::FAST:
  - if (params.info->vendor != Vendor::QUALCOMM) {
  - *best_work_group = int3(8, 4, 1);
  - return OkStatus();
  - } else {
  *best_work_group = GetWorkGroup(grid, kernel.GetMaxWorkGroupSize());
  return OkStatus();
  - }
  case TuningType::EXHAUSTIVE:
  return GetBestWorkGroupAlignedToGrid(params, kernel, grid,
  best_work_group);
  @@ -268,12 +263,12 @@ Status GetBestWorkGroupConv(const TuningParameters& params,
  const CLKernel& kernel, const int3& grid,
  int3* best_work_group) {
  switch (params.tuning_type) {
  - case TuningType::FAST:
  - if (params.info->vendor != Vendor::QUALCOMM) {
  - *best_work_group = int3(8, 4, 1);
  - return OkStatus();
  - } else {
  - int max_z_size = params.info->adreno_info.gpu_version < 400 ? 16 : 64;
  + case TuningType::FAST: {
  + int max_z_size = 16;
  + if (params.info->vendor == Vendor::QUALCOMM) {
  + max_z_size = params.info->adreno_info.gpu_version < 400 ? 16 : 64;
  + }
  + max_z_size = std::min(max_z_size, params.info->max_work_group_sizes.z);
  *best_work_group =
  GetWorkGroupConv(grid, kernel.GetMaxWorkGroupSize(), max_z_size);
  return OkStatus();
  