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cuda : fix RoPE after #2268 (#3897)

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cebtenzzre 2023-11-02 01:49:44 -04:00 committed by GitHub
parent 0eb332a10f
commit 2fffa0d61f
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1 changed files with 3 additions and 3 deletions
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ggml-cuda.cu
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@ -4539,7 +4539,7 @@ static __global__ void rope(
const int i2 = row/p_delta_rows;
const int p = has_pos ? pos[i2] : 0;
const float theta_base = p*powf(freq_base, -col/ncols);
const float theta_base = p*powf(freq_base, -float(col)/ncols);
float cos_theta, sin_theta;
rope_yarn(theta_base, freq_scale, corr_dims, col, ext_factor, attn_factor, &cos_theta, &sin_theta);
@ -4566,8 +4566,8 @@ static __global__ void rope_neox(
const int i = row*ncols + col/2;
const int i2 = row/p_delta_rows;
// simplified from `(row * ncols + col) * (-1 / ncols)`
const float cur_rot = -col/ncols - row;
// simplified from `(ib * ncols + col) * (-1 / ncols)`, where ib is assumed to be zero
const float cur_rot = -float(col)/ncols;
const int p = has_pos ? pos[i2] : 0;
const float theta_base = p*powf(freq_base, cur_rot);