viiccwen commented on code in PR #968:
URL: https://github.com/apache/mahout/pull/968#discussion_r2751443403
##########
qdp/qdp-kernels/src/amplitude.cu:
##########
@@ -617,6 +617,37 @@ int launch_l2_norm_f32(
return (int)cudaGetLastError();
}
+/// Returns the current device's max grid dimension (X), fallback to
CUDA_MAX_GRID_DIM_1D if error.
+static size_t get_max_grid_dim_1d(void) {
+ static size_t cached_device = 0;
+ if (cached_device != 0) {
Review Comment:
cached_device is a static variable. It only shows `cached_device = 0` first
time.
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