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add some comments, and fix use of g_val

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Phil Wang 2023-03-22 09:22:19 -07:00
parent a43cd2008d
commit aa9b939edd
1 changed files with 3 additions and 1 deletions
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4
csrc/kernels.cu
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@ -1708,7 +1708,9 @@ kOptimizerStatic8bit1StateBlockwise(T* p, T* __restrict__ const g, unsigned char
s1_vals[j] = (s1_vals[j]*beta1) + g_val;
break;
case LION:
g_vals[j] = lr*sgn(((float)s1_vals[j])*beta1 + ((1.0f-beta1)*((float)g_vals[j])));
// here, using gvals[j] to store the gradient smoothed by beta1
// then update the momentum state1, to make sure the order is correct
g_vals[j] = lr*sgn(((float)s1_vals[j])*beta1 + ((1.0f-beta1)*g_val));
s1_vals[j] = s1_vals[j]*beta2 + ((1.0f-beta2)*g_val);
break;
case RMSPROP: