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-rw-r--r--src/abstract_hardware_model.cc5
-rw-r--r--src/abstract_hardware_model.h6
-rw-r--r--src/cuda-sim/cuda-sim.cc5
-rw-r--r--src/cuda-sim/instructions.cc5
-rw-r--r--src/cuda-sim/ptx.l5
-rw-r--r--src/cuda-sim/ptx_ir.cc5
-rw-r--r--src/gpgpu-sim/dram.cc5
-rw-r--r--src/gpgpu-sim/dram.h5
-rw-r--r--src/gpgpu-sim/gpu-cache.cc6
-rw-r--r--src/gpgpu-sim/gpu-cache.h5
-rw-r--r--src/gpgpu-sim/gpu-sim.cc18
-rw-r--r--src/gpgpu-sim/gpu-sim.h3
-rw-r--r--src/gpgpu-sim/l2cache.cc5
-rw-r--r--src/gpgpu-sim/l2cache.h5
-rw-r--r--src/gpgpu-sim/power_interface.cc5
-rw-r--r--src/gpgpu-sim/power_interface.h5
-rw-r--r--src/gpgpu-sim/power_stat.cc5
-rw-r--r--src/gpgpu-sim/power_stat.h5
-rw-r--r--src/gpgpu-sim/shader.cc21
-rw-r--r--src/gpgpu-sim/shader.h50
20 files changed, 92 insertions, 82 deletions
diff --git a/src/abstract_hardware_model.cc b/src/abstract_hardware_model.cc
index 208047e..fda84e8 100644
--- a/src/abstract_hardware_model.cc
+++ b/src/abstract_hardware_model.cc
@@ -1,5 +1,6 @@
-// Copyright (c) 2009-2021, Tor M. Aamodt, Inderpreet Singh, Timothy Rogers, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Copyright (c) 2009-2021, Tor M. Aamodt, Inderpreet Singh, Timothy Rogers, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/abstract_hardware_model.h b/src/abstract_hardware_model.h
index f04741f..6e4a87d 100644
--- a/src/abstract_hardware_model.h
+++ b/src/abstract_hardware_model.h
@@ -1,5 +1,6 @@
-// Copyright (c) 2009-2021, Tor M. Aamodt, Inderpreet Singh, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Copyright (c) 2009-2021, Tor M. Aamodt, Inderpreet Singh, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
@@ -290,6 +291,7 @@ class kernel_info_t {
m_next_tid.x < m_block_dim.x;
}
unsigned get_uid() const { return m_uid; }
+ std::string get_name() const { return name(); }
std::string name() const;
std::list<class ptx_thread_info *> &active_threads() {
diff --git a/src/cuda-sim/cuda-sim.cc b/src/cuda-sim/cuda-sim.cc
index f9e5db3..680ce79 100644
--- a/src/cuda-sim/cuda-sim.cc
+++ b/src/cuda-sim/cuda-sim.cc
@@ -1,6 +1,7 @@
// Copyright (c) 2009-2021, Tor M. Aamodt, Ali Bakhoda, Wilson W.L. Fung,
-// George L. Yuan, Jimmy Kwa, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// George L. Yuan, Jimmy Kwa, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/cuda-sim/instructions.cc b/src/cuda-sim/instructions.cc
index 44afbe5..e22d88a 100644
--- a/src/cuda-sim/instructions.cc
+++ b/src/cuda-sim/instructions.cc
@@ -1,6 +1,7 @@
// Copyright (c) 2009-2021, Tor M. Aamodt, Wilson W.L. Fung, Ali Bakhoda,
-// Jimmy Kwa, George L. Yuan, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Jimmy Kwa, George L. Yuan, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/cuda-sim/ptx.l b/src/cuda-sim/ptx.l
index 7706f0b..15b3cf7 100644
--- a/src/cuda-sim/ptx.l
+++ b/src/cuda-sim/ptx.l
@@ -1,6 +1,7 @@
/*
-Copyright (c) 2009-2021, Tor M. Aamodt, Vijay Kandiah, Nikos Hardavellas
-The University of British Columbia, Northwestern University
+Copyright (c) 2009-2021, Tor M. Aamodt, Vijay Kandiah, Nikos Hardavellas,
+Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+The University of British Columbia, Northwestern University, Purdue University
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
diff --git a/src/cuda-sim/ptx_ir.cc b/src/cuda-sim/ptx_ir.cc
index 2edc1ed..029cf73 100644
--- a/src/cuda-sim/ptx_ir.cc
+++ b/src/cuda-sim/ptx_ir.cc
@@ -1,6 +1,7 @@
// Copyright (c) 2009-2021, Tor M. Aamodt, Ali Bakhoda, Wilson W.L. Fung,
-// George L. Yuan, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// George L. Yuan, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/dram.cc b/src/gpgpu-sim/dram.cc
index 545c45d..662c2ed 100644
--- a/src/gpgpu-sim/dram.cc
+++ b/src/gpgpu-sim/dram.cc
@@ -1,6 +1,7 @@
// Copyright (c) 2009-2021, Tor M. Aamodt, Wilson W.L. Fung, Ali Bakhoda,
-// Ivan Sham, George L. Yuan, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Ivan Sham, George L. Yuan, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/dram.h b/src/gpgpu-sim/dram.h
index 88e46ed..90ea3e4 100644
--- a/src/gpgpu-sim/dram.h
+++ b/src/gpgpu-sim/dram.h
@@ -1,6 +1,7 @@
// Copyright (c) 2009-2021, Tor M. Aamodt, Ivan Sham, Ali Bakhoda,
-// George L. Yuan, Wilson W.L. Fung, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// George L. Yuan, Wilson W.L. Fung, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/gpu-cache.cc b/src/gpgpu-sim/gpu-cache.cc
index a2aeec5..3a5a67d 100644
--- a/src/gpgpu-sim/gpu-cache.cc
+++ b/src/gpgpu-sim/gpu-cache.cc
@@ -1,5 +1,7 @@
-// Copyright (c) 2009-2021, Tor M. Aamodt, Tayler Hetherington, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Copyright (c) 2009-2021, Tor M. Aamodt, Tayler Hetherington,
+// Vijay Kandiah, Nikos Hardavellas, Mahmoud Khairy, Junrui Pan,
+// Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/gpu-cache.h b/src/gpgpu-sim/gpu-cache.h
index 498dfeb..4bbf7e2 100644
--- a/src/gpgpu-sim/gpu-cache.h
+++ b/src/gpgpu-sim/gpu-cache.h
@@ -1,5 +1,6 @@
-// Copyright (c) 2009-2021, Tor M. Aamodt, Tayler Hetherington, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Copyright (c) 2009-2021, Tor M. Aamodt, Tayler Hetherington, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/gpu-sim.cc b/src/gpgpu-sim/gpu-sim.cc
index e44551e..5af244b 100644
--- a/src/gpgpu-sim/gpu-sim.cc
+++ b/src/gpgpu-sim/gpu-sim.cc
@@ -1,6 +1,7 @@
// Copyright (c) 2009-2021, Tor M. Aamodt, Wilson W.L. Fung, George L. Yuan,
-// Ali Bakhoda, Andrew Turner, Ivan Sham, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Ali Bakhoda, Andrew Turner, Ivan Sham, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
@@ -394,7 +395,7 @@ void shader_core_config::reg_options(class OptionParser *opp) {
"gpgpu_ignore_resources_limitation (default 0)", "0");
option_parser_register(
opp, "-gpgpu_shader_cta", OPT_UINT32, &max_cta_per_core,
- "Maximum number of concurrent CTAs in shader (default 8)", "8");
+ "Maximum number of concurrent CTAs in shader (default 32)", "32");
option_parser_register(
opp, "-gpgpu_num_cta_barriers", OPT_UINT32, &max_barriers_per_cta,
"Maximum number of named barriers per CTA (default 16)", "16");
@@ -700,7 +701,8 @@ void gpgpu_sim_config::reg_options(option_parser_t opp) {
"500.0:2000.0:2000.0:2000.0");
option_parser_register(
opp, "-gpgpu_max_concurrent_kernel", OPT_INT32, &max_concurrent_kernel,
- "maximum kernels that can run concurrently on GPU", "8");
+ "maximum kernels that can run concurrently on GPU, set this value "
+ "according to max resident grids for your compute capability", "32");
option_parser_register(
opp, "-gpgpu_cflog_interval", OPT_INT32, &gpgpu_cflog_interval,
"Interval between each snapshot in control flow logger", "0");
@@ -1638,9 +1640,9 @@ bool shader_core_ctx::occupy_shader_resource_1block(kernel_info_t &k,
SHADER_DPRINTF(LIVENESS,
"GPGPU-Sim uArch: Occupied %u threads, %u shared mem, %u "
- "registers, %u ctas\n",
+ "registers, %u ctas, on shader %d\n",
m_occupied_n_threads, m_occupied_shmem, m_occupied_regs,
- m_occupied_ctas);
+ m_occupied_ctas, m_sid);
}
return true;
@@ -1806,9 +1808,9 @@ void shader_core_ctx::issue_block2core(kernel_info_t &kernel) {
shader_CTA_count_log(m_sid, 1);
SHADER_DPRINTF(LIVENESS,
"GPGPU-Sim uArch: cta:%2u, start_tid:%4u, end_tid:%4u, "
- "initialized @(%lld,%lld)\n",
+ "initialized @(%lld,%lld), kernel_uid:%u, kernel_name:%s\n",
free_cta_hw_id, start_thread, end_thread, m_gpu->gpu_sim_cycle,
- m_gpu->gpu_tot_sim_cycle);
+ m_gpu->gpu_tot_sim_cycle, kernel.get_uid(), kernel.get_name().c_str());
}
///////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/gpgpu-sim/gpu-sim.h b/src/gpgpu-sim/gpu-sim.h
index 68b3dfa..de69ef8 100644
--- a/src/gpgpu-sim/gpu-sim.h
+++ b/src/gpgpu-sim/gpu-sim.h
@@ -1,5 +1,6 @@
// Copyright (c) 2009-2021, Tor M. Aamodt, Wilson W.L. Fung, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/l2cache.cc b/src/gpgpu-sim/l2cache.cc
index 511c15e..44d793c 100644
--- a/src/gpgpu-sim/l2cache.cc
+++ b/src/gpgpu-sim/l2cache.cc
@@ -1,5 +1,6 @@
-// Copyright (c) 2009-2021, Tor M. Aamodt, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Copyright (c) 2009-2021, Tor M. Aamodt, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/l2cache.h b/src/gpgpu-sim/l2cache.h
index 902a4b7..7fa1f29 100644
--- a/src/gpgpu-sim/l2cache.h
+++ b/src/gpgpu-sim/l2cache.h
@@ -1,5 +1,6 @@
-// Copyright (c) 2009-2021, Tor M. Aamodt, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Copyright (c) 2009-2021, Tor M. Aamodt, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/power_interface.cc b/src/gpgpu-sim/power_interface.cc
index 63b9852..470f2f9 100644
--- a/src/gpgpu-sim/power_interface.cc
+++ b/src/gpgpu-sim/power_interface.cc
@@ -1,5 +1,6 @@
-// Copyright (c) 2009-2021, Tor M. Aamodt, Ahmed El-Shafiey, Tayler Hetherington, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Copyright (c) 2009-2021, Tor M. Aamodt, Ahmed El-Shafiey, Tayler Hetherington, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/power_interface.h b/src/gpgpu-sim/power_interface.h
index 1a48894..1c6c510 100644
--- a/src/gpgpu-sim/power_interface.h
+++ b/src/gpgpu-sim/power_interface.h
@@ -1,5 +1,6 @@
-// Copyright (c) 2009-2021, Tor M. Aamodt, Ahmed El-Shafiey, Tayler Hetherington, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Copyright (c) 2009-2021, Tor M. Aamodt, Ahmed El-Shafiey, Tayler Hetherington, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/power_stat.cc b/src/gpgpu-sim/power_stat.cc
index fd7a775..d0e673c 100644
--- a/src/gpgpu-sim/power_stat.cc
+++ b/src/gpgpu-sim/power_stat.cc
@@ -1,5 +1,6 @@
-// Copyright (c) 2009-2021, Tor M. Aamodt, Ahmed El-Shafiey, Tayler Hetherington, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Copyright (c) 2009-2021, Tor M. Aamodt, Ahmed El-Shafiey, Tayler Hetherington, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/power_stat.h b/src/gpgpu-sim/power_stat.h
index e2c3ed5..d40f1d9 100644
--- a/src/gpgpu-sim/power_stat.h
+++ b/src/gpgpu-sim/power_stat.h
@@ -1,5 +1,6 @@
-// Copyright (c) 2009-2021, Tor M. Aamodt, Ahmed El-Shafiey, Tayler Hetherington, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Copyright (c) 2009-2021, Tor M. Aamodt, Ahmed El-Shafiey, Tayler Hetherington, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
diff --git a/src/gpgpu-sim/shader.cc b/src/gpgpu-sim/shader.cc
index c0161dd..6f68283 100644
--- a/src/gpgpu-sim/shader.cc
+++ b/src/gpgpu-sim/shader.cc
@@ -1,6 +1,7 @@
// Copyright (c) 2009-2021, Tor M. Aamodt, Wilson W.L. Fung, Ali Bakhoda,
-// George L. Yuan, Andrew Turner, Inderpreet Singh, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// George L. Yuan, Andrew Turner, Inderpreet Singh, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
@@ -950,7 +951,7 @@ void shader_core_ctx::fetch() {
m_threadState[tid].m_active = false;
unsigned cta_id = m_warp[warp_id]->get_cta_id();
if (m_thread[tid] == NULL) {
- register_cta_thread_exit(cta_id, m_kernel);
+ register_cta_thread_exit(cta_id, m_warp[warp_id]->get_kernel_info());
} else {
register_cta_thread_exit(cta_id,
&(m_thread[tid]->get_kernel()));
@@ -2091,10 +2092,11 @@ bool ldst_unit::constant_cycle(warp_inst_t &inst, mem_stage_stall_type &rc_fail,
mem_stage_stall_type fail;
if (m_config->perfect_inst_const_cache) {
fail = NO_RC_FAIL;
+ unsigned access_count = inst.accessq_count();
while (inst.accessq_count() > 0) inst.accessq_pop_back();
if (inst.is_load()) {
for (unsigned r = 0; r < MAX_OUTPUT_VALUES; r++)
- if (inst.out[r] > 0) m_pending_writes[inst.warp_id()][inst.out[r]]--;
+ if (inst.out[r] > 0) m_pending_writes[inst.warp_id()][inst.out[r]] -= access_count;
}
} else {
fail = process_memory_access_queue(m_L1C, inst);
@@ -3897,6 +3899,8 @@ void shader_core_ctx::get_icnt_power_stats(long &n_simt_to_mem,
n_mem_to_simt += m_stats->n_mem_to_simt[m_sid];
}
+kernel_info_t* shd_warp_t::get_kernel_info() const { return m_shader->get_kernel_info(); }
+
bool shd_warp_t::functional_done() const {
return get_n_completed() == m_warp_size;
}
@@ -4238,12 +4242,19 @@ bool opndcoll_rfu_t::collector_unit_t::allocate(register_set *pipeline_reg_set,
warp_inst_t **pipeline_reg = pipeline_reg_set->get_ready();
if ((pipeline_reg) and !((*pipeline_reg)->empty())) {
m_warp_id = (*pipeline_reg)->warp_id();
+ std::vector<int> prev_regs; // remove duplicate regs within same instr
for (unsigned op = 0; op < MAX_REG_OPERANDS; op++) {
int reg_num =
(*pipeline_reg)
->arch_reg.src[op]; // this math needs to match that used in
// function_info::ptx_decode_inst
- if (reg_num >= 0) { // valid register
+ bool new_reg = true;
+ for (auto r : prev_regs) {
+ if (r == reg_num)
+ new_reg = false;
+ }
+ if (reg_num >= 0 && new_reg) { // valid register
+ prev_regs.push_back(reg_num);
m_src_op[op] = op_t(this, op, reg_num, m_num_banks, m_bank_warp_shift,
m_sub_core_model, m_num_banks_per_sched,
(*pipeline_reg)->get_schd_id());
diff --git a/src/gpgpu-sim/shader.h b/src/gpgpu-sim/shader.h
index 65d5625..deea1c9 100644
--- a/src/gpgpu-sim/shader.h
+++ b/src/gpgpu-sim/shader.h
@@ -1,6 +1,7 @@
// Copyright (c) 2009-2021, Tor M. Aamodt, Wilson W.L. Fung, Andrew Turner,
-// Ali Bakhoda, Vijay Kandiah, Nikos Hardavellas
-// The University of British Columbia, Northwestern University
+// Ali Bakhoda, Vijay Kandiah, Nikos Hardavellas,
+// Mahmoud Khairy, Junrui Pan, Timothy G. Rogers
+// The University of British Columbia, Northwestern University, Purdue University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
@@ -170,6 +171,7 @@ class shd_warp_t {
void clear_membar() { m_membar = false; }
bool get_membar() const { return m_membar; }
virtual address_type get_pc() const { return m_next_pc; }
+ virtual kernel_info_t* get_kernel_info() const;
void set_next_pc(address_type pc) { m_next_pc = pc; }
void store_info_of_last_inst_at_barrier(const warp_inst_t *pI) {
@@ -954,41 +956,19 @@ class opndcoll_rfu_t { // operand collector based register file unit
void init(bool sub_core_model, unsigned num_warp_scheds) {
m_sub_core_model = sub_core_model;
m_num_warp_scheds = num_warp_scheds;
- if (m_sub_core_model) {
- m_last_cu_set = new unsigned(m_num_warp_scheds);
- for (unsigned i = 0; i < m_num_warp_scheds; i++)
- {
- m_last_cu_set[i] = i * m_num_collectors / m_num_warp_scheds;
- }
- }
-
}
collector_unit_t *find_ready() {
- if (m_sub_core_model) {
- assert(m_num_collectors % m_num_warp_scheds == 0 &&
- m_num_collectors >= m_num_warp_scheds);
- unsigned cusPerSched = m_num_collectors / m_num_warp_scheds;
- for (unsigned i = 0; i < m_num_warp_scheds; i++) {
- unsigned cuLowerBound = i * cusPerSched;
- unsigned cuUpperBound = cuLowerBound + cusPerSched;
- assert(0 <= cuLowerBound && cuUpperBound <= m_num_collectors);
- assert(cuLowerBound <= m_last_cu_set[i] && m_last_cu_set[i] <= cuUpperBound);
- for (unsigned j = cuLowerBound; j < cuUpperBound; j++) {
- unsigned c = cuLowerBound + (m_last_cu_set[i] + j + 1) % cusPerSched;
- if ((*m_collector_units)[c].ready()) {
- m_last_cu_set[i] = c;
- return &((*m_collector_units)[c]);
- }
- }
- }
- } else {
- for (unsigned n = 0; n < m_num_collectors; n++) {
- unsigned c = (m_last_cu + n + 1) % m_num_collectors;
- if ((*m_collector_units)[c].ready()) {
- m_last_cu = c;
- return &((*m_collector_units)[c]);
- }
+ // With sub-core enabled round robin starts with the next cu assigned to a
+ // different sub-core than the one that dispatched last
+ unsigned cusPerSched = m_num_collectors / m_num_warp_scheds;
+ unsigned rr_increment = m_sub_core_model ?
+ cusPerSched - (m_last_cu % cusPerSched) : 1;
+ for (unsigned n = 0; n < m_num_collectors; n++) {
+ unsigned c = (m_last_cu + n + rr_increment) % m_num_collectors;
+ if ((*m_collector_units)[c].ready()) {
+ m_last_cu = c;
+ return &((*m_collector_units)[c]);
}
}
return NULL;
@@ -998,9 +978,7 @@ class opndcoll_rfu_t { // operand collector based register file unit
unsigned m_num_collectors;
std::vector<collector_unit_t> *m_collector_units;
unsigned m_last_cu; // dispatch ready cu's rr
- unsigned *m_last_cu_set;
unsigned m_next_cu; // for initialization
-
bool m_sub_core_model;
unsigned m_num_warp_scheds;
};
generated by cgit v1.3 (git 2.53.0) at 2026-07-21 00:35:47 +0000