PULSAR  2.0.0
Parallel Ultra-Light Systolic Array Runtime
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prt_vdp.h
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1 
11 #ifndef PRT_VDP_H
12 #define PRT_VDP_H
13 
14 #include "prt.h"
15 
16 #ifdef __cplusplus
17 extern "C" {
18 #endif
19 
20 struct prt_vdp_s;
21 struct prt_thread_s;
22 struct prt_channel_s;
23 enum prt_channel_direction_e;
24 
29 typedef void (*prt_vdp_function_t)(struct prt_vdp_s*);
30 
39 typedef struct prt_vdp_s {
40  prt_location_t location; // VDP's location (host or device).
41  struct prt_thread_s *thread; // Back pointer to the parent thread.
42  struct prt_device_s *device; // Back pointer to the parent device.
43  struct prt_vsa_s *vsa; // Back pointer to the VSA.
44  int *tuple; // VDP's tuple.
45  int counter; // VDP's countdown counter.
46  int num_inputs; // Number of input channels.
47  struct prt_channel_s **input; // Array of input channels.
48  int num_outputs; // Number of output channels.
49  struct prt_channel_s **output; // Array of output channels.
50  prt_vdp_function_t function; // VDP's function.
51  void *local_store; // VDP's persistent local storage.
52  void *global_store; // VSA's read-only global store.
53  int color; // RGB color for tracing.
54  cudaStream_t stream; // VDP's stream.
55 } prt_vdp_t;
56 
57 prt_vdp_t* prt_vdp_new(
58  int *tuple, int counter,
59  prt_vdp_function_t function,
60  size_t local_store_size,
61  int num_inputs, int num_outputs, int color);
62 void prt_vdp_delete(prt_vdp_t *vdp);
63 void prt_vdp_annihilate(prt_vdp_t *vdp);
64 void prt_vdp_channel_insert(
65  prt_vdp_t *vdp, struct prt_channel_s *channel,
66  enum prt_channel_direction_e direction, int slot);
67 struct prt_packet_s *prt_vdp_packet_new(
68  prt_vdp_t *vdp, size_t size, void *data);
69 struct prt_packet_s *prt_vdp_packet_new_host_to_device(
70  prt_vdp_t *vdp, size_t size, void *data);
71 void prt_vdp_packet_release(prt_vdp_t *vdp, struct prt_packet_s *packet);
72 void prt_vdp_channel_push(
73  prt_vdp_t *vdp, int channel_num, struct prt_packet_s *packet);
74 struct prt_packet_s *prt_vdp_channel_pop(prt_vdp_t *vdp, int channel_num);
75 void prt_vdp_channel_off(prt_vdp_t *vdp, int channel_num);
76 void prt_vdp_channel_on(prt_vdp_t *vdp, int channel_num);
77 int prt_vdp_ready(prt_vdp_t *vdp);
78 
79 #ifdef __cplusplus
80 }
81 #endif
82 
83 #endif /* PRT_VDP_H */