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-rw-r--r--src/cuda-sim/cuda-sim.cc34
-rw-r--r--src/cuda-sim/ptx.y18
2 files changed, 36 insertions, 16 deletions
diff --git a/src/cuda-sim/cuda-sim.cc b/src/cuda-sim/cuda-sim.cc
index 39e2b7e..75dd3c8 100644
--- a/src/cuda-sim/cuda-sim.cc
+++ b/src/cuda-sim/cuda-sim.cc
@@ -57,11 +57,11 @@ int g_debug_execution = 0;
// Output debug information to file options
void cuda_sim::ptx_opcocde_latency_options(option_parser_t opp) {
- option_parser_register(opp, "-ptx_opcode_latency_int", OPT_CSTR,
- &opcode_latency_int,
- "Opcode latencies for integers <ADD,MAX,MUL,MAD,DIV>"
- "Default 1,1,19,25,145",
- "1,1,19,25,145");
+ option_parser_register(
+ opp, "-ptx_opcode_latency_int", OPT_CSTR, &opcode_latency_int,
+ "Opcode latencies for integers <ADD,MAX,MUL,MAD,DIV,SHFL>"
+ "Default 1,1,19,25,145,32",
+ "1,1,19,25,145,32");
option_parser_register(opp, "-ptx_opcode_latency_fp", OPT_CSTR,
&opcode_latency_fp,
"Opcode latencies for single precision floating "
@@ -86,9 +86,9 @@ void cuda_sim::ptx_opcocde_latency_options(option_parser_t opp) {
"64");
option_parser_register(
opp, "-ptx_opcode_initiation_int", OPT_CSTR, &opcode_initiation_int,
- "Opcode initiation intervals for integers <ADD,MAX,MUL,MAD,DIV>"
- "Default 1,1,4,4,32",
- "1,1,4,4,32");
+ "Opcode initiation intervals for integers <ADD,MAX,MUL,MAD,DIV,SHFL>"
+ "Default 1,1,4,4,32,4",
+ "1,1,4,4,32,4");
option_parser_register(opp, "-ptx_opcode_initiation_fp", OPT_CSTR,
&opcode_initiation_fp,
"Opcode initiation intervals for single precision "
@@ -682,12 +682,12 @@ void ptx_instruction::set_bar_type() {
}
void ptx_instruction::set_opcode_and_latency() {
- unsigned int_latency[5];
+ unsigned int_latency[6];
unsigned fp_latency[5];
unsigned dp_latency[5];
unsigned sfu_latency;
unsigned tensor_latency;
- unsigned int_init[5];
+ unsigned int_init[6];
unsigned fp_init[5];
unsigned dp_init[5];
unsigned sfu_init;
@@ -698,10 +698,11 @@ void ptx_instruction::set_opcode_and_latency() {
* [2] MUL
* [3] MAD
* [4] DIV
+ * [5] SHFL
*/
- sscanf(gpgpu_ctx->func_sim->opcode_latency_int, "%u,%u,%u,%u,%u",
+ sscanf(gpgpu_ctx->func_sim->opcode_latency_int, "%u,%u,%u,%u,%u,%u",
&int_latency[0], &int_latency[1], &int_latency[2], &int_latency[3],
- &int_latency[4]);
+ &int_latency[4], &int_latency[5]);
sscanf(gpgpu_ctx->func_sim->opcode_latency_fp, "%u,%u,%u,%u,%u",
&fp_latency[0], &fp_latency[1], &fp_latency[2], &fp_latency[3],
&fp_latency[4]);
@@ -710,8 +711,9 @@ void ptx_instruction::set_opcode_and_latency() {
&dp_latency[4]);
sscanf(gpgpu_ctx->func_sim->opcode_latency_sfu, "%u", &sfu_latency);
sscanf(gpgpu_ctx->func_sim->opcode_latency_tensor, "%u", &tensor_latency);
- sscanf(gpgpu_ctx->func_sim->opcode_initiation_int, "%u,%u,%u,%u,%u",
- &int_init[0], &int_init[1], &int_init[2], &int_init[3], &int_init[4]);
+ sscanf(gpgpu_ctx->func_sim->opcode_initiation_int, "%u,%u,%u,%u,%u,%u",
+ &int_init[0], &int_init[1], &int_init[2], &int_init[3], &int_init[4],
+ &int_init[5]);
sscanf(gpgpu_ctx->func_sim->opcode_initiation_fp, "%u,%u,%u,%u,%u",
&fp_init[0], &fp_init[1], &fp_init[2], &fp_init[3], &fp_init[4]);
sscanf(gpgpu_ctx->func_sim->opcode_initiation_dp, "%u,%u,%u,%u,%u",
@@ -940,8 +942,8 @@ void ptx_instruction::set_opcode_and_latency() {
op = TENSOR_CORE_OP;
break;
case SHFL_OP:
- latency = 4;
- initiation_interval = 4;
+ latency = int_latency[5];
+ initiation_interval = int_init[5];
break;
default:
break;
diff --git a/src/cuda-sim/ptx.y b/src/cuda-sim/ptx.y
index a01c3c6..b38f783 100644
--- a/src/cuda-sim/ptx.y
+++ b/src/cuda-sim/ptx.y
@@ -298,6 +298,7 @@ ptr_align_spec: ALIGN_DIRECTIVE INT_OPERAND
statement_block: LEFT_BRACE statement_list RIGHT_BRACE
statement_list: directive_statement { recognizer->add_directive(); }
+ | statement_list prototype_block {printf("Prototype statement detected. WARNING: this is not supported yet on GPGPU-SIM\n"); }
| instruction_statement { recognizer->add_instruction(); }
| statement_list directive_statement { recognizer->add_directive(); }
| statement_list instruction_statement { recognizer->add_instruction(); }
@@ -414,6 +415,23 @@ initializer_list: LEFT_BRACE literal_list RIGHT_BRACE { recognizer->add_array_in
literal_list: literal_operand
| literal_list COMMA literal_operand;
+// TODO: This is currently hardcoded to handle and ignore one specific case
+// that all prototype statements follow in the PTX from Pytorch. As a
+// workaround, this parses and ignores both the prototype declaration
+// and calling of the prototype (which conveniently comes right after the
+// declaration for all cases.) This should be changed to handle both
+// declaring the prototype, and actually calling it.
+prototype_block: prototype_decl prototype_call
+
+prototype_decl: IDENTIFIER COLON CALLPROTOTYPE_DIRECTIVE LEFT_PAREN prototype_param RIGHT_PAREN IDENTIFIER LEFT_PAREN prototype_param RIGHT_PAREN SEMI_COLON
+
+prototype_call: OPCODE LEFT_PAREN IDENTIFIER RIGHT_PAREN COMMA operand COMMA LEFT_PAREN IDENTIFIER RIGHT_PAREN COMMA IDENTIFIER SEMI_COLON
+ | OPCODE IDENTIFIER COMMA LEFT_PAREN IDENTIFIER RIGHT_PAREN COMMA IDENTIFIER SEMI_COLON
+
+prototype_param: /* empty */
+ | PARAM_DIRECTIVE B64_TYPE IDENTIFIER
+ | PARAM_DIRECTIVE B32_TYPE IDENTIFIER
+
instruction_statement: instruction SEMI_COLON
| IDENTIFIER COLON { recognizer->add_label($1); }
| pred_spec instruction SEMI_COLON;