Co-authored-by: Zhuohan Li <zhuohan@openai.com> Co-authored-by: Maratyszcza <marat@openai.com> Co-authored-by: Volodymyr Kyrylov <vol@wilab.org.ua>
25 lines
755 B
Metal
25 lines
755 B
Metal
#include <internal/kernel-args.h>
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#pragma METAL fp math_mode(safe)
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#pragma METAL fp contract(off)
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kernel void gptoss_bf16_f32_embeddings(
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constant gptoss_embeddings_args& args [[ buffer(0) ]],
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const device uint* tokens [[ buffer(1) ]],
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const device bfloat4* weights [[ buffer(2) ]],
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device float4* output [[ buffer(3) ]],
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uint gid [[threadgroup_position_in_grid]],
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uint tid [[thread_position_in_threadgroup]],
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uint threadgroup_size [[ threads_per_threadgroup ]])
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{
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const uint t = tokens[gid];
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weights += t * args.num_vecs;
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output += gid * args.num_vecs;
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for (uint i = tid; i < args.num_vecs; i += threadgroup_size) {
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const bfloat4 w = weights[i];
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output[i] = static_cast<float4>(w);
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}
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}
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