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Internal changes only. #1835

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Internal changes only. #1835

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32 changes: 24 additions & 8 deletions runtime/components/sampler_factory.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -614,6 +614,20 @@ absl::StatusOr<std::unique_ptr<Sampler>> CreateGpuSampler(
}

#ifdef __ANDROID__
if (use_webgpu) {
#if LITERT_HAS_WEBGPU_SUPPORT // NOLINT(misc-include-cleaner)
auto webgpu_sampler = TopKWebGpuCApiSampler::Create(
env, batch_size, sequence_size, vocab_size, activation_data_type,
sampler_params);
if (webgpu_sampler.ok() ||
webgpu_sampler.status().code() != absl::StatusCode::kUnavailable) {
return webgpu_sampler;
}
ABSL_LOG(INFO) << "WebGPU sampler explicitly requested but "
"failed/unavailable, falling back.";
#endif // LITERT_HAS_WEBGPU_SUPPORT
}

#if LITERT_HAS_OPENCL_SUPPORT // NOLINT(misc-include-cleaner)
auto opencl_sampler =
TopKOpenClCApiSampler::Create(env, batch_size, sequence_size, vocab_size,
Expand All @@ -627,15 +641,17 @@ absl::StatusOr<std::unique_ptr<Sampler>> CreateGpuSampler(
#endif // LITERT_HAS_OPENCL_SUPPORT

#if LITERT_HAS_WEBGPU_SUPPORT // NOLINT(misc-include-cleaner)
auto webgpu_sampler =
TopKWebGpuCApiSampler::Create(env, batch_size, sequence_size, vocab_size,
activation_data_type, sampler_params);
if (webgpu_sampler.ok() ||
webgpu_sampler.status().code() != absl::StatusCode::kUnavailable) {
return webgpu_sampler;
if (!use_webgpu) {
auto webgpu_sampler = TopKWebGpuCApiSampler::Create(
env, batch_size, sequence_size, vocab_size, activation_data_type,
sampler_params);
if (webgpu_sampler.ok() ||
webgpu_sampler.status().code() != absl::StatusCode::kUnavailable) {
return webgpu_sampler;
}
ABSL_LOG(INFO) << "WebGPU sampler not available, falling back to other "
"sampler options.";
}
ABSL_LOG(INFO)
<< "WebGPU sampler not available, falling back to other sampler options.";
#endif // LITERT_HAS_WEBGPU_SUPPORT

#else // !__ANDROID__
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