diff options
Diffstat (limited to 'ggml-metal.metal')
| -rw-r--r-- | ggml-metal.metal | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/ggml-metal.metal b/ggml-metal.metal index 09e12a8..d1e4922 100644 --- a/ggml-metal.metal +++ b/ggml-metal.metal @@ -256,6 +256,72 @@ kernel void kernel_get_rows_q4_1( (device float *) ((device char *) dst + i*nb1), ne00); } +kernel void kernel_norm( + device const void * src0, + device float * dst, + constant int64_t & ne00, + constant uint64_t & nb01, + constant float & eps, + threadgroup float * sum [[threadgroup(0)]], + uint tgpig[[threadgroup_position_in_grid]], + uint tpitg[[thread_position_in_threadgroup]], + uint ntg[[threads_per_threadgroup]]) { + device const float * x = (device const float *) ((device const char *) src0 + tgpig*nb01); + // MEAN + // parallel sum + sum[tpitg] = 0.0f; + for (int i00 = tpitg; i00 < ne00; i00 += ntg) { + sum[tpitg] += x[i00]; + } + // reduce + threadgroup_barrier(mem_flags::mem_threadgroup); + for (uint i = ntg/2; i > 0; i /= 2) { + if (tpitg < i) { + sum[tpitg] += sum[tpitg + i]; + } + threadgroup_barrier(mem_flags::mem_threadgroup); + } + // broadcast + if (tpitg == 0) { + sum[0] /= ne00; + } + threadgroup_barrier(mem_flags::mem_threadgroup); + const float mean = sum[0]; + + // recenter + device float * y = dst + tgpig*ne00; + for (int i00 = tpitg; i00 < ne00; i00 += ntg) { + y[i00] = x[i00] - mean; + } + + // VARIANCE + // parallel sum + sum[tpitg] = 0.0f; + for (int i00 = tpitg; i00 < ne00; i00 += ntg) { + sum[tpitg] += y[i00] * y[i00]; + } + // reduce + threadgroup_barrier(mem_flags::mem_threadgroup); + for (uint i = ntg/2; i > 0; i /= 2) { + if (tpitg < i) { + sum[tpitg] += sum[tpitg + i]; + } + threadgroup_barrier(mem_flags::mem_threadgroup); + } + // broadcast + if (tpitg == 0) { + sum[0] /= ne00; + } + threadgroup_barrier(mem_flags::mem_threadgroup); + const float variance = sum[0]; + + const float scale = 1.0f/sqrt(variance + eps); + for (int i00 = tpitg; i00 < ne00; i00 += ntg) { + y[i00] = y[i00] * scale; + } +} + + kernel void kernel_rms_norm( device const void * src0, device float * dst, @@ -485,6 +551,48 @@ kernel void kernel_mul_mat_f16_f32( } } +kernel void kernel_alibi_f32( + device const float * src0, + device float * dst, + constant int64_t & ne00, + constant int64_t & ne01, + constant int64_t & ne02, + constant int64_t & ne03, + constant uint64_t & nb00, + constant uint64_t & nb01, + constant uint64_t & nb02, + constant uint64_t & nb03, + constant int64_t & ne0, + constant int64_t & ne1, + constant int64_t & ne2, + constant int64_t & ne3, + constant uint64_t & nb0, + constant uint64_t & nb1, + constant uint64_t & nb2, + constant uint64_t & nb3, + constant float & m0, + uint3 tgpig[[threadgroup_position_in_grid]], + uint3 tpitg[[thread_position_in_threadgroup]], + uint3 ntg[[threads_per_threadgroup]]) { + const int64_t i03 = tgpig[2]; + const int64_t i02 = tgpig[1]; + const int64_t i01 = tgpig[0]; + + const int64_t n = i03*ne02*ne01*ne00 + i02*ne01*ne00 + i01*ne00; + + const int64_t i3 = n / (ne2*ne1*ne0); + const int64_t i2 = (n - i3*ne2*ne1*ne0) / (ne1*ne0); + const int64_t i1 = (n - i3*ne2*ne1*ne0 - i2*ne1*ne0) / ne0; + const int64_t i0 = (n - i3*ne2*ne1*ne0 - i2*ne1*ne0 - i1*ne0); + + device float * dst_data = (device float *) ((device char *) dst + i3*nb3 + i2*nb2 + i1*nb1 + i0*nb0); + float m_k = pow(m0, i2 + 1); + for (int64_t i00 = tpitg.x; i00 < ne00; i00 += ntg.x) { + device const float * src = (device float *)((device char *) src0 + i03*nb03 + i02*nb02 + i01*nb01 + i00*nb00); + dst_data[i00] = src[0] + m_k * (i00 - ne00 + 1); + } +} + kernel void kernel_rope( device const void * src0, device float * dst, @@ -540,6 +648,47 @@ kernel void kernel_rope( } } +kernel void kernel_cpy_f16_f16( + device const half * src0, + device half * dst, + constant int64_t & ne00, + constant int64_t & ne01, + constant int64_t & ne02, + constant int64_t & ne03, + constant uint64_t & nb00, + constant uint64_t & nb01, + constant uint64_t & nb02, + constant uint64_t & nb03, + constant int64_t & ne0, + constant int64_t & ne1, + constant int64_t & ne2, + constant int64_t & ne3, + constant uint64_t & nb0, + constant uint64_t & nb1, + constant uint64_t & nb2, + constant uint64_t & nb3, + uint3 tgpig[[threadgroup_position_in_grid]], + uint3 tpitg[[thread_position_in_threadgroup]], + uint3 ntg[[threads_per_threadgroup]]) { + const int64_t i03 = tgpig[2]; + const int64_t i02 = tgpig[1]; + const int64_t i01 = tgpig[0]; + + const int64_t n = i03*ne02*ne01*ne00 + i02*ne01*ne00 + i01*ne00; + + const int64_t i3 = n / (ne2*ne1*ne0); + const int64_t i2 = (n - i3*ne2*ne1*ne0) / (ne1*ne0); + const int64_t i1 = (n - i3*ne2*ne1*ne0 - i2*ne1*ne0) / ne0; + const int64_t i0 = (n - i3*ne2*ne1*ne0 - i2*ne1*ne0 - i1*ne0); + + device half * dst_data = (device half *) ((device char *) dst + i3*nb3 + i2*nb2 + i1*nb1 + i0*nb0); + + for (int64_t i00 = tpitg.x; i00 < ne00; i00 += ntg.x) { + device const half * src = (device half *)((device char *) src0 + i03*nb03 + i02*nb02 + i01*nb01 + i00*nb00); + dst_data[i00] = src[0]; + } +} + kernel void kernel_cpy_f32_f16( device const float * src0, device half * dst, |