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use shared mem for ocl binary + ocl wait

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This commit is contained in:
Marcel Lütke Dreimann
2022-08-11 13:52:39 +02:00
parent 3a531d5546
commit 22eb6470ca
1 changed files with 30 additions and 5 deletions
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35
repos/hello_gpgpu/src/hello_gpgpu/CL/cl.cc
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@@ -18,6 +18,11 @@ struct _cl_command_queue
struct kernel_config* kc;
struct _cl_command_queue* next;
};
struct _cl_program
{
uint8_t* binary;
size_t size;
};
/* Genode */
static cl_genode* g_cl_genode;
@@ -605,8 +610,12 @@ clCreateProgramWithBinary(cl_context context,
return NULL;
}
cl_program p = (cl_program)g_cl_genode->alloc(sizeof(_cl_program));
p->binary = (uint8_t*)binaries[0];
p->size = lengths[0];
*errcode_ret |= CL_SUCCESS;
return (cl_program)binaries[0];
return p;
}
#ifdef CL_VERSION_1_2
@@ -648,7 +657,7 @@ clRetainProgram(cl_program program)
CL_API_ENTRY cl_int CL_API_CALL
clReleaseProgram(cl_program program)
{
g_cl_genode->free(program);
return CL_SUCCESS;
}
@@ -764,9 +773,16 @@ clCreateKernel(cl_program program,
const char * kernel_name,
cl_int * errcode_ret)
{
// create kernel and set binary
// create kernel
struct kernel_config* kc = (struct kernel_config*)g_cl_genode->alloc(sizeof(struct kernel_config));
kc->binary = (uint8_t*)program;
// we can not just set the binary, because its not in shared mem => copy it
kc->binary = (uint8_t*)g_cl_genode->alloc(program->size);
uint8_t* bin = (uint8_t*)program->binary;
for(size_t i = 0; i < program->size; i++)
{
kc->binary[i] = bin[i];
}
// preallocated 32 buff configs;
kc->buffConfigs = (struct buffer_config*)g_cl_genode->alloc(32 * sizeof(struct buffer_config));
@@ -811,6 +827,7 @@ CL_API_ENTRY cl_int CL_API_CALL
clReleaseKernel(cl_kernel kernel)
{
struct kernel_config* kc = (struct kernel_config*)kernel;
g_cl_genode->free(kc->binary);
g_cl_genode->free(kc->buffConfigs);
g_cl_genode->free(kc);
return CL_SUCCESS;
@@ -1019,7 +1036,15 @@ clFlush(cl_command_queue command_queue)
CL_API_ENTRY cl_int CL_API_CALL
clFinish(cl_command_queue command_queue)
{
// TODO: RPC: gpgpu_wait();
// get last kernel
cl_command_queue cmd = command_queue;
while (cmd->next)
{
cmd = cmd->next;
}
// wait for it
g_cl_genode->wait(cmd->kc);
return CL_SUCCESS;
}