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test: fix OPT_STEP_ADAMW for test-backend-ops (ggml/974)

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Johannes Gäßler 2024-09-30 09:55:23 +02:00 committed by Georgi Gerganov
parent 845f8d663e
commit 5e9d6baa48
2 changed files with 7 additions and 4 deletions
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1
ggml/include/ggml.h
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@ -2052,6 +2052,7 @@ extern "C" {
GGML_API struct ggml_tensor * ggml_opt_step_adamw(
struct ggml_context * ctx,
struct ggml_tensor * a,
struct ggml_tensor * grad,
float alpha,
float beta1,
float beta2,

10
ggml/src/ggml.c
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@ -7818,12 +7818,14 @@ struct ggml_tensor * ggml_cross_entropy_loss_back(
struct ggml_tensor * ggml_opt_step_adamw(
struct ggml_context * ctx,
struct ggml_tensor * a,
struct ggml_tensor * grad,
float alpha,
float beta1,
float beta2,
float eps,
float wd) {
GGML_ASSERT(a->flags & GGML_TENSOR_FLAG_PARAM);
GGML_ASSERT(ggml_are_same_shape(a, grad));
GGML_ASSERT(alpha > 0.0f);
GGML_ASSERT(beta1 >= 0.0f && beta1 <= 1.0f);
GGML_ASSERT(beta2 >= 0.0f && beta2 <= 1.0f);
@ -7842,9 +7844,9 @@ struct ggml_tensor * ggml_opt_step_adamw(
result->op = GGML_OP_OPT_STEP_ADAMW;
result->src[0] = a;
result->src[1] = a->grad;
result->src[2] = ggml_dup_tensor(ctx, a);
result->src[3] = ggml_dup_tensor(ctx, a);
result->src[1] = grad;
result->src[2] = ggml_dup_tensor(ctx, grad);
result->src[3] = ggml_dup_tensor(ctx, grad);
return result;
}
@ -18769,7 +18771,7 @@ void ggml_build_opt_adamw(
if (node->flags & GGML_TENSOR_FLAG_PARAM) {
GGML_PRINT_DEBUG("%s: found root node %p\n", __func__, (void *) node);
struct ggml_tensor * opt_step = ggml_opt_step_adamw(ctx, node, alpha, beta1, beta2, eps, wd);
struct ggml_tensor * opt_step = ggml_opt_step_adamw(ctx, node, node->grad, alpha, beta1, beta2, eps, wd);
ggml_build_forward_expand(gb, opt_step);
}
}