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#version 450
#include "types.comp"
#include "generic_unary_head.comp"
#extension GL_EXT_control_flow_attributes : require
const uint num_threads = 128;
layout(local_size_x = num_threads, local_size_y = 1, local_size_z = 1) in;
void main() {
uint idx = get_idx();
// num_threads * num_iter must equal 512, to match the wg_denoms and get_idx calculation
const uint num_iter = 4;
// fast path for when all four iterations are in-bounds
if (idx + (num_iter-1)*num_threads < p.ne) {
[[unroll]] for (uint i = 0; i < num_iter; ++i) {
#if defined(DATA_D_BF16)
float f = float(data_a[get_aoffset() + idx]);
data_d[get_doffset() + idx] = D_TYPE(fp32_to_bf16(f));
#elif !defined(OPTIMIZATION_ERROR_WORKAROUND)
data_d[get_doffset() + idx] = D_TYPE(data_a[get_aoffset() + idx]);
#else
data_d[get_doffset() + idx] = data_a[get_aoffset() + idx];
#endif
idx += num_threads;
}
} else {
[[unroll]] for (uint i = 0; i < num_iter; ++i) {
if (idx >= p.ne) {
continue;
}
#if defined(DATA_D_BF16)
float f = float(data_a[get_aoffset() + idx]);
data_d[get_doffset() + idx] = D_TYPE(fp32_to_bf16(f));
#elif !defined(OPTIMIZATION_ERROR_WORKAROUND)
data_d[get_doffset() + idx] = D_TYPE(data_a[get_aoffset() + idx]);
#else
data_d[get_doffset() + idx] = data_a[get_aoffset() + idx];
#endif
idx += num_threads;
}
}
}
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