mirror of
https://github.com/vortexgpgpu/vortex.git
synced 2025-04-23 13:27:29 -04:00
111 lines
No EOL
3.3 KiB
C++
111 lines
No EOL
3.3 KiB
C++
// Copyright © 2019-2023
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "instr_trace.h"
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#include <unordered_map>
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#include <vector>
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namespace vortex {
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class Scoreboard {
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public:
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struct reg_use_t {
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RegType reg_type;
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uint32_t reg_id;
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FUType fu_type;
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SfuType sfu_type;
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uint64_t uuid;
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};
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Scoreboard(const Arch &arch)
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: in_use_regs_(arch.num_warps()) {
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for (auto& in_use_reg : in_use_regs_) {
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in_use_reg.resize((int)RegType::Count);
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}
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this->clear();
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}
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void clear() {
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for (auto& in_use_reg : in_use_regs_) {
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for (auto& mask : in_use_reg) {
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mask.reset();
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}
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}
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owners_.clear();
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}
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bool in_use(instr_trace_t* trace) const {
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if (trace->wb) {
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assert(trace->dst_reg.type != RegType::None);
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if (in_use_regs_.at(trace->wid).at((int)trace->dst_reg.type).test(trace->dst_reg.idx)) {
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return true;
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}
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}
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for (uint32_t i = 0; i < trace->src_regs.size(); ++i) {
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if (trace->src_regs[i].type != RegType::None) {
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if (in_use_regs_.at(trace->wid).at((int)trace->src_regs[i].type).test(trace->src_regs[i].idx)) {
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return true;
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}
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}
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}
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return false;
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}
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std::vector<reg_use_t> get_uses(instr_trace_t* trace) const {
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std::vector<reg_use_t> out;
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if (trace->wb) {
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assert(trace->dst_reg.type != RegType::None);
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if (in_use_regs_.at(trace->wid).at((int)trace->dst_reg.type).test(trace->dst_reg.idx)) {
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uint32_t tag = (trace->dst_reg.idx << 16) | (trace->wid << 4) | (int)trace->dst_reg.type;
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auto owner = owners_.at(tag);
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out.push_back({trace->dst_reg.type, trace->dst_reg.idx, owner->fu_type, owner->sfu_type, owner->uuid});
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}
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}
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for (uint32_t i = 0; i < trace->src_regs.size(); ++i) {
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if (trace->src_regs[i].type != RegType::None) {
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if (in_use_regs_.at(trace->wid).at((int)trace->src_regs[i].type).test(trace->src_regs[i].idx)) {
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uint32_t tag = (trace->src_regs[i].idx << 16) | (trace->wid << 4) | (int)trace->src_regs[i].type;
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auto owner = owners_.at(tag);
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out.push_back({trace->src_regs[i].type, trace->src_regs[i].idx, owner->fu_type, owner->sfu_type, owner->uuid});
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}
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}
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}
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return out;
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}
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void reserve(instr_trace_t* trace) {
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assert(trace->wb);
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in_use_regs_.at(trace->wid).at((int)trace->dst_reg.type).set(trace->dst_reg.idx);
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uint32_t tag = (trace->dst_reg.idx << 16) | (trace->wid << 4) | (int)trace->dst_reg.type;
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assert(owners_.count(tag) == 0);
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owners_[tag] = trace;
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}
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void release(instr_trace_t* trace) {
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assert(trace->wb);
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in_use_regs_.at(trace->wid).at((int)trace->dst_reg.type).reset(trace->dst_reg.idx);
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uint32_t tag = (trace->dst_reg.idx << 16) | (trace->wid << 4) | (int)trace->dst_reg.type;
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assert(owners_.count(tag) != 0);
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owners_.erase(tag);
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}
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private:
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std::vector<std::vector<RegMask>> in_use_regs_;
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std::unordered_map<uint32_t, instr_trace_t*> owners_;
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};
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} |