Fabio
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25 lines
No EOL
877 B
Python
25 lines
No EOL
877 B
Python
from ggml import lib, ffi
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from ggml.utils import init, copy, numpy
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import numpy as np
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ctx = init(mem_size=12*1024*1024) # automatically freed when pointer is GC'd
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n = 256
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n_threads = 4
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a = lib.ggml_new_tensor_1d(ctx, lib.GGML_TYPE_Q5_K, n)
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b = lib.ggml_new_tensor_1d(ctx, lib.GGML_TYPE_F32, n) # can't both be quantized
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sum = lib.ggml_add(ctx, a, b) # all zeroes for now. Will be quantized too!
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# See cffi's doc on how to allocate native memory: it's very simple!
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# https://cffi.readthedocs.io/en/latest/ref.html#ffi-interface
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gf = ffi.new('struct ggml_cgraph*')
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lib.ggml_build_forward_expand(gf, sum)
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copy(np.array([i for i in range(n)], np.float32), a)
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copy(np.array([i*100 for i in range(n)], np.float32), b)
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lib.ggml_graph_compute_with_ctx(ctx, gf, n_threads)
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print(numpy(a, allow_copy=True))
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print(numpy(b))
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print(numpy(sum, allow_copy=True)) |