ggml : implement GEGLU_ERF and GEGLU_QUICK ops (#14445)

This commit is contained in:
Sigbjørn Skjæret
2025-07-03 23:07:22 +02:00
committed by GitHub
parent bee28421be
commit 28657a8229
20 changed files with 789 additions and 32 deletions

View File

@@ -1258,6 +1258,50 @@ kernel void kernel_swiglu(
}
}
kernel void kernel_geglu_erf(
device const char * src0,
device const char * src1,
device char * dst,
constant ggml_metal_kargs_glu & args,
uint tgpig[[threadgroup_position_in_grid]],
uint tpitg[[thread_position_in_threadgroup]],
uint ntg[[threads_per_threadgroup]]) {
device const float * src0_row = (device const float *) ((device const char *) src0 + tgpig*args.nb01) + args.i00;
device const float * src1_row = (device const float *) ((device const char *) src1 + tgpig*args.nb11) + args.i10;
device float * dst_row = (device float *) ((device char *) dst + tgpig*args.nb1);
for (int i0 = tpitg; i0 < args.ne0; i0 += ntg) {
const float x0 = src0_row[i0];
const float x1 = src1_row[i0];
const float gelu_erf = 0.5f*x0*(1.0f+erf_approx<float>(x0*SQRT_2_INV));
dst_row[i0] = gelu_erf*x1;
}
}
kernel void kernel_geglu_quick(
device const char * src0,
device const char * src1,
device char * dst,
constant ggml_metal_kargs_glu & args,
uint tgpig[[threadgroup_position_in_grid]],
uint tpitg[[thread_position_in_threadgroup]],
uint ntg[[threads_per_threadgroup]]) {
device const float * src0_row = (device const float *) ((device const char *) src0 + tgpig*args.nb01) + args.i00;
device const float * src1_row = (device const float *) ((device const char *) src1 + tgpig*args.nb11) + args.i10;
device float * dst_row = (device float *) ((device char *) dst + tgpig*args.nb1);
for (int i0 = tpitg; i0 < args.ne0; i0 += ntg) {
const float x0 = src0_row[i0];
const float x1 = src1_row[i0];
const float gelu_quick = x0*(1.0f/(1.0f+exp(GELU_QUICK_COEF*x0)));
dst_row[i0] = gelu_quick*x1;
}
}
template <bool norm>
kernel void kernel_sum_rows(
constant ggml_metal_kargs_sum_rows & args,