ccv_nnc_dynamic_graph_evaluate.c

Bug Summary

File:	nnc/ccv_nnc_dynamic_graph_evaluate.c
Warning:	line 222, column 7 Branch condition evaluates to a garbage value

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name ccv_nnc_dynamic_graph_evaluate.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=none -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -target-feature +sse2 -tune-cpu generic -debugger-tuning=gdb -fdebug-compilation-dir=/home/liu/actions-runner/_work/ccv/ccv/lib/nnc -fcoverage-compilation-dir=/home/liu/actions-runner/_work/ccv/ccv/lib/nnc -resource-dir /usr/local/lib/clang/19 -I ../ -I /usr/local/cuda/include -D HAVE_CBLAS -D HAVE_LIBPNG -D HAVE_LIBJPEG -D HAVE_FFTW3 -D HAVE_PTHREAD -D HAVE_LIBLINEAR -D HAVE_TESSERACT -D HAVE_AVCODEC -D HAVE_AVFORMAT -D HAVE_AVUTIL -D HAVE_SWSCALE -D HAVE_SSE2 -D HAVE_GSL -D HAVE_CUDA -D HAVE_CUDNN -D HAVE_NCCL -D USE_SYSTEM_CUB -I /usr/local/include -internal-isystem /usr/local/lib/clang/19/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/12/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O3 -ferror-limit 19 -fgnuc-version=4.2.1 -fskip-odr-check-in-gmf -vectorize-loops -vectorize-slp -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/liu/actions-runner/_work/ccv/ccv/_analyze/2024-11-11-145512-341489-1 -x c ccv_nnc_dynamic_graph_evaluate.c

1#include "ccv_nnc.h"
2#include "ccv_nnc_easy.h"
3#include "ccv_nnc_internal.h"
4#include "ccv_nnc_easy.h"
5#include "ccv_internal.h"
6#include "_ccv_nnc_dynamic_graph.h"
7#include "_ccv_cnnp_model.h"
8 
9// MARK - Level-5.5 API
10 
11static int _ccv_cnnp_model_exec(const ccv_nnc_cmd_t cmd, const ccv_nnc_hint_t hint, const int flags, ccv_nnc_tensor_t* const* const inputs, const int input_size, ccv_nnc_tensor_t* const* const outputs, const int output_size, ccv_nnc_stream_context_t* const stream_context)
12{
13	ccv_nnc_stateful_exec_t* const stateful_exec = (ccv_nnc_stateful_exec_t*)cmd.data;
14	ccv_cnnp_model_t* const model = (ccv_cnnp_model_t*)stateful_exec->data;
15	// I cannot just use stream context, it cannot synchronize correctly based on existing coroutine implementation.
16	int i;
17	int wait_for_any_neighbor = 0;
18	const int parallel_count = ccv_max(model->parallel_count, 1)({ typeof (model->parallel_count) _a = (model->parallel_count
); typeof (1) _b = (1); (_a > _b) ? _a : _b; });
19	if (stream_context) // Find all neighbor context and wait on them all.
20		for (i = 0; i < parallel_count; i++)
21		{
22			ccv_nnc_stream_context_t* const neighbor_context = ccv_nnc_stream_context_find_neighbor(stream_context, i);
23			if (neighbor_context && neighbor_context != stream_context)
24			{
25				ccv_nnc_stream_signal_t* const signal = ccv_nnc_stream_context_emit_signal_new(neighbor_context);
26				ccv_nnc_stream_context_wait_signal(stream_context, signal);
27				wait_for_any_neighbor = 1;
28			}
29		}
30	co_scheduler_t* old_scheduler;
31	co_routine_t* old_main;
32	if (stream_context)
33	{
34		old_main = stream_context->main;
35		old_scheduler = stream_context->scheduler;
36		// We cannot piggyback on old scheduler.
37		stream_context->scheduler = 0;
38		// We will have a new main coroutine when schedule as the root.
39		// Otherwise it will be scheduled after the existing routines all scheduled
40		// out, and that won't be right.
41		stream_context->main = 0;
42	}
43	if (cmd.cmd == CCV_NNC_CUSTOM_FORWARD)
44	{
45		ccv_cnnp_model_evaluate(model, (ccv_cnnp_evaluate_param_t){
46			.requires_grad = stateful_exec->requires_grad,
47			.disable_outgrad = stateful_exec->disable_outgrad,
48			.is_test = stateful_exec->is_test,
49		}, inputs, input_size, outputs, output_size, 0, stream_context);
50	} else {
51		const int ingrad_size = model->output_size * parallel_count;
52		assert(ingrad_size <= input_size)((void) sizeof ((ingrad_size <= input_size) ? 1 : 0), __extension__
 ({ if (ingrad_size <= input_size) ; else __assert_fail ("ingrad_size <= input_size"
, "ccv_nnc_dynamic_graph_evaluate.c", 52, __extension__ __PRETTY_FUNCTION__
); }));
53		if (stateful_exec->disable_outgrad == CCV_CNNP_DISABLE_OUTGRAD_NONE)
54			ccv_cnnp_model_backward(model, inputs, ingrad_size, outputs, output_size, 0, stream_context);
55		else if (stateful_exec->disable_outgrad == CCV_CNNP_DISABLE_OUTGRAD_ALL)
56			ccv_cnnp_model_backward(model, inputs, ingrad_size, 0, 0, 0, stream_context);
57		else {
58			assert(output_size == model->input_size * parallel_count)((void) sizeof ((output_size == model->input_size * parallel_count
) ? 1 : 0), __extension__ ({ if (output_size == model->input_size
 * parallel_count) ; else __assert_fail ("output_size == model->input_size * parallel_count"
, "ccv_nnc_dynamic_graph_evaluate.c", 58, __extension__ __PRETTY_FUNCTION__
); }));
59			int per_outgrad_size = 0;
60			int i, j, k;
61			for (i = 0; i < model->input_size; i++)
62				if (!(stateful_exec->disable_outgrad & ((uint64_t)1 << i)))
63					++per_outgrad_size;
64			assert(per_outgrad_size > 0)((void) sizeof ((per_outgrad_size > 0) ? 1 : 0), __extension__
 ({ if (per_outgrad_size > 0) ; else __assert_fail ("per_outgrad_size > 0"
, "ccv_nnc_dynamic_graph_evaluate.c", 64, __extension__ __PRETTY_FUNCTION__
); }));
65			const int outgrad_size = per_outgrad_size * parallel_count;
66			ccv_nnc_tensor_t* outgrads[outgrad_size];
67			for (i = 0; i < parallel_count; i++)
68				for (k = 0, j = 0; j < model->input_size; j++)
69					if (!(stateful_exec->disable_outgrad & ((uint64_t)1 << j)))
70						outgrads[(k++) + i * per_outgrad_size] = outputs[j + i * model->input_size];
71			ccv_cnnp_model_backward(model, inputs, ingrad_size, outgrads, outgrad_size, 0, stream_context);
72		}
73		stateful_exec->did_backward_but_not_apply_gradients = 1;
74	}
75	if (stream_context)
76	{
77		// Should have new scheduler created.
78		assert(stream_context->scheduler)((void) sizeof ((stream_context->scheduler) ? 1 : 0), __extension__
 ({ if (stream_context->scheduler) ; else __assert_fail ("stream_context->scheduler"
, "ccv_nnc_dynamic_graph_evaluate.c", 78, __extension__ __PRETTY_FUNCTION__
); }));
79		// The new scheduler shouldn't be active (everything is scheduled).
80		assert(!co_scheduler_is_active(stream_context->scheduler))((void) sizeof ((!co_scheduler_is_active(stream_context->scheduler
)) ? 1 : 0), __extension__ ({ if (!co_scheduler_is_active(stream_context
->scheduler)) ; else __assert_fail ("!co_scheduler_is_active(stream_context->scheduler)"
, "ccv_nnc_dynamic_graph_evaluate.c", 80, __extension__ __PRETTY_FUNCTION__
); }));
81		co_scheduler_free(stream_context->scheduler);
82		// Switch back to the old scheduler.
83		stream_context->scheduler = old_scheduler;
84		// The main coroutine should be cleared.
85		assert(!stream_context->main)((void) sizeof ((!stream_context->main) ? 1 : 0), __extension__
 ({ if (!stream_context->main) ; else __assert_fail ("!stream_context->main"
, "ccv_nnc_dynamic_graph_evaluate.c", 85, __extension__ __PRETTY_FUNCTION__
); }));
86		stream_context->main = old_main;
87	}
88	if (wait_for_any_neighbor) // Find all neighbor context and wait on them all.
89	{
90		assert(stream_context)((void) sizeof ((stream_context) ? 1 : 0), __extension__ ({ if
 (stream_context) ; else __assert_fail ("stream_context", "ccv_nnc_dynamic_graph_evaluate.c"
, 90, __extension__ __PRETTY_FUNCTION__); }));
91		ccv_nnc_stream_signal_t* const signal = ccv_nnc_stream_context_emit_signal_new(stream_context);
92		for (i = 0; i < parallel_count; i++)
93		{
94			ccv_nnc_stream_context_t* const neighbor_context = ccv_nnc_stream_context_find_neighbor(stream_context, i);
95			if (neighbor_context && neighbor_context != stream_context)
96				ccv_nnc_stream_context_wait_signal(neighbor_context, signal);
97		}
98	}
99	return CCV_NNC_EXEC_SUCCESS;
100}
101 
102static void _ccv_cnnp_model_tensor_auto(const ccv_nnc_cmd_t cmd, const ccv_nnc_tensor_param_t* const inputs, const int input_size, const ccv_nnc_hint_t hint, ccv_nnc_tensor_param_t* const outputs, const int output_size)
103{
104	ccv_nnc_stateful_exec_t* const stateful_exec = (ccv_nnc_stateful_exec_t*)cmd.data;
105	ccv_cnnp_model_t* const model = (ccv_cnnp_model_t*)stateful_exec->data;
106	const int parallel_count = ccv_max(model->parallel_count, 1)({ typeof (model->parallel_count) _a = (model->parallel_count
); typeof (1) _b = (1); (_a > _b) ? _a : _b; });
107	const int per_input_size = input_size / parallel_count;
108	assert(per_input_size > 0)((void) sizeof ((per_input_size > 0) ? 1 : 0), __extension__
 ({ if (per_input_size > 0) ; else __assert_fail ("per_input_size > 0"
, "ccv_nnc_dynamic_graph_evaluate.c", 108, __extension__ __PRETTY_FUNCTION__
); }));
109	assert((input_size % parallel_count) == 0)((void) sizeof (((input_size % parallel_count) == 0) ? 1 : 0)
, __extension__ ({ if ((input_size % parallel_count) == 0) ; else
 __assert_fail ("(input_size % parallel_count) == 0", "ccv_nnc_dynamic_graph_evaluate.c"
, 109, __extension__ __PRETTY_FUNCTION__); }));
110	const int per_output_size = output_size / parallel_count;
111	assert(per_output_size > 0)((void) sizeof ((per_output_size > 0) ? 1 : 0), __extension__
 ({ if (per_output_size > 0) ; else __assert_fail ("per_output_size > 0"
, "ccv_nnc_dynamic_graph_evaluate.c", 111, __extension__ __PRETTY_FUNCTION__
); }));
112	assert((output_size % parallel_count) == 0)((void) sizeof (((output_size % parallel_count) == 0) ? 1 : 0
), __extension__ ({ if ((output_size % parallel_count) == 0) ;
 else __assert_fail ("(output_size % parallel_count) == 0", "ccv_nnc_dynamic_graph_evaluate.c"
, 112, __extension__ __PRETTY_FUNCTION__); }));
113	int i, j;
114	for (i = 0; i < parallel_count; i++)
115	{
116		ccv_cnnp_model_tensor_auto(model, outputs + i * per_output_size, per_output_size);
117		// Set device id to the corresponding inputs' device id.
118		const int device_id = CCV_TENSOR_GET_DEVICE_ID(inputs[i * per_input_size].type)(((inputs[i * per_input_size].type) & 0xfff00) >> 8
);
119		for (j = 0; j < per_output_size; j++)
120			CCV_TENSOR_SET_DEVICE_ID(outputs[i * per_output_size + j].type, device_id)(outputs[i * per_output_size + j].type) = (((outputs[i * per_output_size
 + j].type) & ~0xfff00) | (((device_id) & 0xfff) <<
 8));
121	}
122}
123 
124static void _ccv_cnnp_model_apply_gradients(const ccv_nnc_cmd_t cmd, ccv_nnc_stream_context_t* const stream_context)
125{
126	ccv_nnc_stateful_exec_t* const stateful_exec = (ccv_nnc_stateful_exec_t*)cmd.data;
127	ccv_cnnp_model_t* const model = (ccv_cnnp_model_t*)stateful_exec->data;
128	ccv_cnnp_model_apply_gradients(model, stream_context);
129}
130 
131static ccv_nnc_stateful_cmd_vtab_t ccv_cnnp_model_exec_isa = {
132	.super = {
133		.exec = _ccv_cnnp_model_exec,
134		.tensor_auto = _ccv_cnnp_model_tensor_auto,
135	},
136	.apply_gradients = _ccv_cnnp_model_apply_gradients,
137};
138 
139void ccv_nnc_dynamic_graph_dry_run(ccv_nnc_dynamic_graph_t* const dynamic_graph, ccv_cnnp_model_t* const model, const int is_test, const ccv_nnc_tensor_variable_t* const inputs, const int input_size, ccv_nnc_stream_context_t* const stream_context)
140{
141	assert(input_size > 0)((void) sizeof ((input_size > 0) ? 1 : 0), __extension__ (
{ if (input_size > 0) ; else __assert_fail ("input_size > 0"
, "ccv_nnc_dynamic_graph_evaluate.c", 141, __extension__ __PRETTY_FUNCTION__
); }));
1
Assuming 'input_size' is > 0→
2
←
Taking true branch→
142	const int parallel_count = ccv_max(model->parallel_count, 1)({ typeof (model->parallel_count) _a = (model->parallel_count
); typeof (1) _b = (1); (_a > _b) ? _a : _b; });
3
←
Assuming '_a' is > '_b'→
4
←
'?' condition is true→
143	const int per_input_size = input_size / parallel_count;
144	assert(per_input_size > 0)((void) sizeof ((per_input_size > 0) ? 1 : 0), __extension__
 ({ if (per_input_size > 0) ; else __assert_fail ("per_input_size > 0"
, "ccv_nnc_dynamic_graph_evaluate.c", 144, __extension__ __PRETTY_FUNCTION__
); }));
5
←
Assuming 'per_input_size' is > 0→
6
←
Taking true branch→
145	assert((input_size % parallel_count) == 0)((void) sizeof (((input_size % parallel_count) == 0) ? 1 : 0)
, __extension__ ({ if ((input_size % parallel_count) == 0) ; else
 __assert_fail ("(input_size % parallel_count) == 0", "ccv_nnc_dynamic_graph_evaluate.c"
, 145, __extension__ __PRETTY_FUNCTION__); }));
7
←
Assuming the condition is true→
8
←
Taking true branch→
146	int i, j;
147	if (!model->graph)
9
←
Assuming field 'graph' is null→
10
←
Taking true branch→
148	{
149		ccv_nnc_tensor_param_t input_params[per_input_size];
150		for (i = 0; i10.1
'i' is < 'per_input_size'
 < per_input_size; i++)
11
←
Loop condition is true.  Entering loop body→
12
←
Assuming 'i' is >= 'per_input_size'→
13
←
Loop condition is false. Execution continues on line 152→
151			input_params[i] = inputs[i]->info;
152		ccv_cnnp_model_compile(model, input_params, per_input_size, CMD_NOOP()ccv_nnc_cmd(CCV_NNC_NOOP, 0, ccv_nnc_cmd_auto, 0), CMD_NOOP()ccv_nnc_cmd(CCV_NNC_NOOP, 0, ccv_nnc_cmd_auto, 0));
153	} else {
154		assert(per_input_size == model->input_size)((void) sizeof ((per_input_size == model->input_size) ? 1 :
 0), __extension__ ({ if (per_input_size == model->input_size
) ; else __assert_fail ("per_input_size == model->input_size"
, "ccv_nnc_dynamic_graph_evaluate.c", 154, __extension__ __PRETTY_FUNCTION__
); }));
155		ccv_nnc_tensor_param_t input_params[per_input_size];
156		int flag = 0;
157		for (i = 0; i < per_input_size; i++)
158		{
159			input_params[i] = inputs[i]->info;
160			const ccv_nnc_tensor_param_t params = ccv_nnc_tensor_symbol_params(model->graph, model->inputs[i]);
161			// If these two parameters doesn't match, recompile the graph..
162			if (memcmp(&params, &input_params[i], sizeof(params)) != 0)
163				flag = 1;
164		}
165		if (flag) // Recompile the graph.
166			ccv_cnnp_model_compile(model, input_params, per_input_size, ccv_cnnp_model_minimizer(model), CMD_NOOP()ccv_nnc_cmd(CCV_NNC_NOOP, 0, ccv_nnc_cmd_auto, 0));
167	}
168	ccv_nnc_tensor_t* input_tensors[input_size];
169	for (i = 0; i13.1
'i' is < 'input_size'
 < input_size; i++)
18
←
Assuming 'i' is < 'input_size'→
23
←
Assuming 'i' is >= 'input_size'→
24
←
Loop condition is false. Execution continues on line 176→
170	{
171		// Cannot have the parameter be a partial tensor view for model evaluation.
172		input_tensors[i] = inputs[i] ? ccv_nnc_tensor_from_variable(dynamic_graph, inputs[i], stream_context)ccv_nnc_tensor_from_variable_impl(dynamic_graph, inputs[i], stream_context
) : 0;
14
←
Loop condition is true.  Entering loop body→
15
←
'?' condition is true→
19
←
Loop condition is true.  Entering loop body→
20
←
Assuming the condition is false→
21
←
'?' condition is false→
173		if (input_tensors[i])
16
←
Assuming the condition is false→
17
←
Taking false branch→
22
←
Taking false branch→
174			{ assert(CCV_IS_TENSOR_CONTIGUOUS(input_tensors[i]))((void) sizeof (((!((*(int*)(input_tensors[i])) & CCV_TENSOR_VIEW
) || (((ccv_nnc_tensor_view_t*)input_tensors[i])->contiguous
 == 1))) ? 1 : 0), __extension__ ({ if ((!((*(int*)(input_tensors
[i])) & CCV_TENSOR_VIEW) || (((ccv_nnc_tensor_view_t*)input_tensors
[i])->contiguous == 1))) ; else __assert_fail ("CCV_IS_TENSOR_CONTIGUOUS(input_tensors[i])"
, "ccv_nnc_dynamic_graph_evaluate.c", 174, __extension__ __PRETTY_FUNCTION__
); })); }
175	}
176	const int per_output_size = ccv_cnnp_model_output_size(model);
177	ccv_nnc_tensor_param_t output_params[ccv_max(1, per_output_size)({ typeof (1) _a = (1); typeof (per_output_size) _b = (per_output_size
); (_a > _b) ? _a : _b; })];
25
←
Assuming '_a' is > '_b'→
26
←
'?' condition is true→
178	const int output_size = per_output_size * parallel_count;
179	ccv_nnc_tensor_variable_t outputs[output_size];
180	ccv_nnc_tensor_t* output_tensors[output_size];
181	for (i = 0; i26.1
'i' is < 'parallel_count'
29.1
'i' is < 'parallel_count'
 < parallel_count; i++)
27
←
Loop condition is true.  Entering loop body→
30
←
Loop condition is true.  Entering loop body→
33
←
Assuming 'i' is >= 'parallel_count'→
34
←
Loop condition is false. Execution continues on line 196→
182	{
183		for (j = 0; j27.1
'j' is >= 'per_output_size'
30.1
'j' is >= 'per_output_size'
 < per_output_size; j++)
28
←
Loop condition is false. Execution continues on line 185→
31
←
Loop condition is false. Execution continues on line 185→
184			output_params[j] = ccv_nnc_tensor_auto;
185		ccv_cnnp_model_tensor_auto(model, output_params, per_output_size);
186		for (j = 0; j28.1
'j' is >= 'per_output_size'
31.1
'j' is >= 'per_output_size'
 < per_output_size; j++)
29
←
Loop condition is false. Execution continues on line 181→
32
←
Loop condition is false. Execution continues on line 181→
187			if (!ccv_nnc_is_tensor_auto(output_params[j]))
188			{
189				outputs[i * per_output_size + j] = ccv_nnc_tensor_variable_new(dynamic_graph, output_params[j])ccv_nnc_tensor_variable_new_impl(dynamic_graph, output_params
[j]);
190				output_tensors[i * per_output_size + j] = ccv_nnc_tensor_from_variable(dynamic_graph, outputs[i * per_output_size + j], stream_context)ccv_nnc_tensor_from_variable_impl(dynamic_graph, outputs[i * per_output_size
 + j], stream_context);
191			} else {
192				outputs[i * per_output_size + j] = 0;
193				output_tensors[i * per_output_size + j] = 0;
194			}
195	}
196	if (dynamic_graph->no_grad)
35
←
Assuming field 'no_grad' is not equal to 0→
36
←
Taking true branch→
197	{
198		ccv_cnnp_model_dry_run(model, (ccv_cnnp_evaluate_param_t){
199			.requires_grad = 0,
200			.disable_outgrad = CCV_CNNP_DISABLE_OUTGRAD_ALL,
201			.is_test = is_test,
202		}, input_tensors, input_size, output_tensors, output_size);
203	} else {
204		uint64_t disable_outgrad = 0;
205		int count = 0;
206		for (i = 0; i < per_input_size; i++)
207			if (!inputs[i] || inputs[i]->type == CCV_NNC_TENSOR_CONSTANT)
208			{
209				disable_outgrad |= ((uint64_t)1 << i);
210				++count;
211			}
212		if (count == per_input_size)
213			disable_outgrad = CCV_CNNP_DISABLE_OUTGRAD_ALL;
214		ccv_cnnp_model_dry_run(model, (ccv_cnnp_evaluate_param_t){
215			.requires_grad = 1,
216			.disable_outgrad = disable_outgrad,
217			.is_test = is_test,
218		}, input_tensors, input_size, output_tensors, output_size);
219	}
220	// Free the allocated variables.
221	for (i = 0; i37.1
'i' is < 'output_size'
 < output_size; i++)
37
←
The value 0 is assigned to 'i'→
38
←
Loop condition is true.  Entering loop body→
222		if (outputs[i])
39
←
Branch condition evaluates to a garbage value
223			ccv_nnc_tensor_variable_free(dynamic_graph, outputs[i]);
224}
225 
226void ccv_nnc_dynamic_graph_evaluate(ccv_nnc_dynamic_graph_t* const dynamic_graph, ccv_cnnp_model_t* const model, const int is_test, const ccv_nnc_tensor_variable_t* const inputs, const int input_size, ccv_nnc_tensor_variable_t* const outputs, const int output_size, ccv_nnc_tensor_tape_t* const tensor_tape, ccv_nnc_stream_context_t* const stream_context)
227{
228	ccv_nnc_cmd_t cmd = ccv_nnc_cmd(CCV_NNC_CUSTOM_FORWARD, (ccv_nnc_cmd_vtab_t*)&ccv_cnnp_model_exec_isa, (ccv_nnc_cmd_param_t){}, 0);
229	assert(input_size > 0)((void) sizeof ((input_size > 0) ? 1 : 0), __extension__ (
{ if (input_size > 0) ; else __assert_fail ("input_size > 0"
, "ccv_nnc_dynamic_graph_evaluate.c", 229, __extension__ __PRETTY_FUNCTION__
); }));
230	const int parallel_count = ccv_max(model->parallel_count, 1)({ typeof (model->parallel_count) _a = (model->parallel_count
); typeof (1) _b = (1); (_a > _b) ? _a : _b; });
231	const int per_input_size = input_size / parallel_count;
232	assert(per_input_size > 0)((void) sizeof ((per_input_size > 0) ? 1 : 0), __extension__
 ({ if (per_input_size > 0) ; else __assert_fail ("per_input_size > 0"
, "ccv_nnc_dynamic_graph_evaluate.c", 232, __extension__ __PRETTY_FUNCTION__
); }));
233	assert((input_size % parallel_count) == 0)((void) sizeof (((input_size % parallel_count) == 0) ? 1 : 0)
, __extension__ ({ if ((input_size % parallel_count) == 0) ; else
 __assert_fail ("(input_size % parallel_count) == 0", "ccv_nnc_dynamic_graph_evaluate.c"
, 233, __extension__ __PRETTY_FUNCTION__); }));
234	int i;
235	if (!model->graph)
236	{
237		ccv_nnc_tensor_param_t input_params[per_input_size];
238		for (i = 0; i < per_input_size; i++)
239			input_params[i] = inputs[i]->info;
240		ccv_cnnp_model_compile(model, input_params, per_input_size, CMD_NOOP()ccv_nnc_cmd(CCV_NNC_NOOP, 0, ccv_nnc_cmd_auto, 0), CMD_NOOP()ccv_nnc_cmd(CCV_NNC_NOOP, 0, ccv_nnc_cmd_auto, 0));
241	} else {
242		assert(per_input_size == model->input_size)((void) sizeof ((per_input_size == model->input_size) ? 1 :
 0), __extension__ ({ if (per_input_size == model->input_size
) ; else __assert_fail ("per_input_size == model->input_size"
, "ccv_nnc_dynamic_graph_evaluate.c", 242, __extension__ __PRETTY_FUNCTION__
); }));
243		ccv_nnc_tensor_param_t input_params[per_input_size];
244		int flag = 0;
245		for (i = 0; i < per_input_size; i++)
246		{
247			input_params[i] = inputs[i]->info;
248			const ccv_nnc_tensor_param_t params = ccv_nnc_tensor_symbol_params(model->graph, model->inputs[i]);
249			// If these two parameters doesn't match, recompile the graph..
250			if (memcmp(&params, &input_params[i], sizeof(params)) != 0)
251				flag = 1;
252		}
253		if (flag) // Recompile the graph.
254			ccv_cnnp_model_compile(model, input_params, per_input_size, ccv_cnnp_model_minimizer(model), CMD_NOOP()ccv_nnc_cmd(CCV_NNC_NOOP, 0, ccv_nnc_cmd_auto, 0));
255	}
256	for (i = 0; i < input_size; i++)
257	{
258		// Cannot have the parameter be a partial tensor view for model evaluation.
259		ccv_nnc_tensor_t* const tensor = inputs[i] ? ccv_nnc_tensor_from_variable(dynamic_graph, inputs[i], stream_context)ccv_nnc_tensor_from_variable_impl(dynamic_graph, inputs[i], stream_context
) : 0;
260		if (tensor)
261			{ assert(CCV_IS_TENSOR_CONTIGUOUS(tensor))((void) sizeof (((!((*(int*)(tensor)) & CCV_TENSOR_VIEW) ||
 (((ccv_nnc_tensor_view_t*)tensor)->contiguous == 1))) ? 1
 : 0), __extension__ ({ if ((!((*(int*)(tensor)) & CCV_TENSOR_VIEW
) || (((ccv_nnc_tensor_view_t*)tensor)->contiguous == 1)))
 ; else __assert_fail ("CCV_IS_TENSOR_CONTIGUOUS(tensor)", "ccv_nnc_dynamic_graph_evaluate.c"
, 261, __extension__ __PRETTY_FUNCTION__); })); }
262	}
263	if (dynamic_graph->no_grad)
264	{
265		ccv_nnc_stateful_exec_t stateful_exec = {
266			.requires_grad = 0,
267			.is_test = is_test,
268			.disable_outgrad = CCV_CNNP_DISABLE_OUTGRAD_ALL,
269			.tensor_tape = tensor_tape,
270			.data = model
271		};
272		cmd.data = &stateful_exec;
273		// Parallel parameter doesn't make sense here, the parallel is defined inside the model.
274		ccv_nnc_dynamic_graph_exec_ret(dynamic_graph, cmd, ccv_nnc_no_hint, 0, inputs, input_size, outputs, output_size, 0, stream_context, 0);
275	} else {
276		uint64_t disable_outgrad = 0;
277		int count = 0;
278		for (i = 0; i < per_input_size; i++)
279			if (!inputs[i] || inputs[i]->type == CCV_NNC_TENSOR_CONSTANT)
280			{
281				disable_outgrad |= ((uint64_t)1 << i);
282				++count;
283			}
284		if (count == per_input_size)
285			disable_outgrad = CCV_CNNP_DISABLE_OUTGRAD_ALL;
286		ccv_nnc_stateful_exec_t* const stateful_exec = (ccv_nnc_stateful_exec_t*)ccmallocmalloc(sizeof(ccv_nnc_stateful_exec_t));
287		cmd.data = stateful_exec;
288		stateful_exec->requires_grad = 1;
289		stateful_exec->is_test = is_test;
290		stateful_exec->did_backward_but_not_apply_gradients = 0;
291		stateful_exec->should_free = 0;
292		stateful_exec->disable_outgrad = disable_outgrad;
293		stateful_exec->tensor_tape = tensor_tape;
294		stateful_exec->data = model;
295		stateful_exec->cmd = cmd;
296		ccv_nnc_graph_exec_symbol_t symbol = {};
297		ccv_nnc_dynamic_graph_exec_ret(dynamic_graph, cmd, ccv_nnc_no_hint, 0, inputs, input_size, outputs, output_size, 0, stream_context, &symbol);
298		if (!symbol.graph) // This is because inputs are all constants.
299			ccfreefree(stateful_exec); // No one records it, there is no cmd.data refer to it.
300		else {
301			if (!dynamic_graph->stateful_execs)
302			{
303				dynamic_graph->stateful_execs = ccv_array_new(sizeof(ccv_nnc_stateful_exec_t*), 1, 0);
304				ccv_array_push(dynamic_graph->stateful_execs, &stateful_exec);
305				stateful_exec->index = dynamic_graph->stateful_execs->rnum - 1;
306			} else {
307				if (dynamic_graph->reuse_stateful_exec >= 0)
308				{
309					*(ccv_nnc_stateful_exec_t**)ccv_array_get(dynamic_graph->stateful_execs, dynamic_graph->reuse_stateful_exec)((void*)(((char*)((dynamic_graph->stateful_execs)->data
)) + (size_t)(dynamic_graph->stateful_execs)->rsize * (
size_t)(dynamic_graph->reuse_stateful_exec))) = stateful_exec;
310					stateful_exec->index = dynamic_graph->reuse_stateful_exec;
311					int flag = 0;
312					for (i = dynamic_graph->reuse_stateful_exec + 1; !flag && i < dynamic_graph->stateful_execs->rnum; i++)
313						if (*(ccv_nnc_stateful_exec_t**)ccv_array_get(dynamic_graph->stateful_execs, i)((void*)(((char*)((dynamic_graph->stateful_execs)->data
)) + (size_t)(dynamic_graph->stateful_execs)->rsize * (
size_t)(i))) == 0)
314							dynamic_graph->reuse_stateful_exec = i, flag = 1;
315					if (!flag) // Reset to 1.
316						dynamic_graph->reuse_stateful_exec = -1;
317				} else {
318					// Push new, no reuse available.
319					ccv_array_push(dynamic_graph->stateful_execs, &stateful_exec);
320					stateful_exec->index = dynamic_graph->stateful_execs->rnum - 1;
321				}
322			}
323		}
324	}
325}
326 