1 /*
2 * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #pragma once
27
28 #include <iostream>
29 #include <map>
30 #include <vector>
31 #include <cstdio>
32 #include <cstring>
33 #include <unistd.h>
34 #include <sys/time.h>
35 #include <iostream>
36 #include <iomanip>
37 #include <bitset>
38 #include <stack>
39
40 #include "strutil.h"
41 #include "config.h"
42
43 #ifdef __APPLE__
44 #define SNPRINTF snprintf
45 #else
46 #include <malloc.h>
47 #if defined (_WIN32)
48 #include "windows.h"
49 #define SNPRINTF _snprintf
50 #else
51 #define SNPRINTF snprintf
52 #endif
53 #endif
54
55 typedef char s8_t;
56 typedef char byte;
57 typedef char boolean;
58 typedef char z1_t;
59 typedef unsigned char u8_t;
60 typedef short s16_t;
61 typedef unsigned short u16_t;
62 typedef unsigned int u32_t;
63 typedef int s32_t;
64 typedef float f32_t;
65 typedef double f64_t;
66 typedef long s64_t;
67 typedef unsigned long u64_t;
68
69 extern void hexdump(void *ptr, int buflen);
70
71 class Text {
72 public:
73 size_t len;
74 char *text;
75 bool isCopy;
76
77 Text(size_t len, char *text, bool isCopy);
78
79 Text(char *text, bool isCopy);
80
81 explicit Text(size_t len);
82
83 void write(const std::string &filename) const;
84
85 void read(const std::string &filename);
86
87 virtual ~Text();
88 };
89
90 class Log : public Text {
91 public:
92 explicit Log(size_t len);
93
94 explicit Log(char *text);
95
96 ~Log() override = default;
97 };
98
99
100 #define UNKNOWN_BYTE 0
101 #define RO_BYTE (1<<1)
102 #define WO_BYTE (1<<2)
103 #define RW_BYTE (RO_BYTE|WO_BYTE)
104
105 struct Buffer_s {
106 void *memorySegment; // Address of a Buffer/MemorySegment
107 long sizeInBytes; // The size of the memory segment in bytes
108 u8_t access; // see hat/buffer/ArgArray.java UNKNOWN_BYTE=0, RO_BYTE =1<<1,WO_BYTE =1<<2,RW_BYTE =RO_BYTE|WO_BYTE;
109 };
110
111 union Value_u {
112 boolean z1; // 'Z'
113 u8_t s8; // 'B'
114 u16_t u16; // 'C'
115 s16_t s16; // 'S'
116 u16_t x16; // 'C' or 'S"
117 s32_t s32; // 'I'
118 s32_t x32; // 'I' or 'F'
119 f32_t f32; // 'F'
120 f64_t f64; // 'D'
121 s64_t s64; // 'J'
122 s64_t x64; // 'D' or 'J'
123 Buffer_s buffer; // '&'
124 };
125
126 struct KernelArg {
127 u32_t idx; // 0..argc
128 u8_t variant; // which variant 'I','Z','S','J','F', '&' implies Buffer/MemorySegment
129 u8_t pad8[8];
130 Value_u value;
131 u8_t pad6[6];
132
133 size_t size() const {
134 size_t sz;
135 switch (variant) {
136 case 'I':
137 case 'F':
138 sz = sizeof(u32_t);
139 break;
140 case 'S':
141 case 'C':
142 sz = sizeof(u16_t);
143 break;
144 case 'D':
145 case 'J':
146 return sizeof(u64_t);
147 break;
148 case 'B':
149 return sizeof(u8_t);
150 break;
151 default:
152 std::cerr << "Bad variant " << variant << "arg::size" << std::endl;
153 exit(1);
154 }
155
156 return sz;
157 }
158 };
159
160 struct BufferState {
161 static constexpr long MAGIC = 0x4a71facebffab175;
162 static constexpr int NO_STATE = 0;
163 static constexpr int NEW_STATE = 1;
164 static constexpr int HOST_OWNED = 2;
165 static constexpr int DEVICE_OWNED = 3;
166 static constexpr int DEVICE_VALID_HOST_HAS_COPY = 4;
167 const static char *stateNames[]; // See below for out of line definition
168
169 long magic1;
170 void *ptr;
171 long length;
172 int bits;
173 int state;
174 void *vendorPtr;
175 long magic2;
176
177 bool ok() const {
178 return ((magic1 == MAGIC) && (magic2 == MAGIC));
179 }
180
181 void setState(int newState) {
182 state = newState;
183 }
184
185 int getState() const {
186 return state;
187 }
188
189 void dump(const char *msg) const {
190 if (ok()) {
191 printf("{%s,ptr:%016lx,length: %016lx, state:%08x, vendorPtr:%016lx}\n", msg, (long) ptr, length, state,
192 (long) vendorPtr);
193 } else {
194 printf("%s bad magic \n", msg);
195 printf("(magic1:%016lx,", magic1);
196 printf("{%s, ptr:%016lx, length: %016lx, state:%08x, vendorPtr:%016lx}", msg, (long) ptr, length, state,
197 (long) vendorPtr);
198 printf("magic2:%016lx)\n", magic2);
199 }
200 }
201
202 static BufferState *of(void *ptr, size_t sizeInBytes) {
203 return reinterpret_cast<BufferState *>(static_cast<char *>(ptr) + sizeInBytes - sizeof(BufferState));
204 }
205
206 static BufferState *of(const KernelArg *arg) {
207 // access?
208 BufferState *bufferState = BufferState::of(
209 arg->value.buffer.memorySegment,
210 arg->value.buffer.sizeInBytes
211 );
212
213
214 //Sanity check the buffers
215 // These sanity check finds errors passing memory segments which are not Buffers
216
217 if (bufferState->ptr != arg->value.buffer.memorySegment) {
218 std::cerr << "bufferState->ptr != arg->value.buffer.memorySegment" << std::endl;
219 std::exit(1);
220 }
221
222 if ((bufferState->vendorPtr == nullptr) && (bufferState->state != BufferState::NEW_STATE)) {
223 std::cerr << "Warning: Unexpected initial state for buffer "
224 //<<" of kernel '"<<(dynamic_cast<Backend::CompilationUnit::Kernel*>(this))->name<<"'"
225 << " state=" << bufferState->state << " '"
226 << BufferState::stateNames[bufferState->state] << "'"
227 << " vendorPtr" << bufferState->vendorPtr << std::endl;
228 }
229 // End of sanity checks
230 return bufferState;
231 }
232 };
233
234 #ifdef shared_cpp
235 const char *BufferState::stateNames[] = {
236 "NO_STATE",
237 "NEW_STATE",
238 "HOST_OWNED",
239 "DEVICE_OWNED",
240 "DEVICE_VALID_HOST_HAS_COPY"
241 };
242 #endif
243
244 struct ArgArray_s {
245 u32_t argc;
246 u8_t pad12[12];
247 KernelArg argv[0/*argc*/];
248 };
249
250 class ArgSled {
251 private:
252 ArgArray_s *argArray;
253
254 public:
255 int argc() const {
256 return argArray->argc;
257 }
258
259 KernelArg *arg(int n) const {
260 KernelArg *a = (argArray->argv + n);
261 return a;
262 }
263
264 void hexdumpArg(int n) const {
265 hexdump(arg(n), sizeof(KernelArg));
266 }
267
268 void dumpArg(int n) const {
269 KernelArg *a = arg(n);
270 int idx = (int) a->idx;
271 std::cout << "arg[" << idx << "]";
272 char variant = (char) a->variant;
273 switch (variant) {
274 case 'F':
275 std::cout << " f32 " << a->value.f32 << std::endl;
276 break;
277 case 'I':
278 std::cout << " s32 " << a->value.s32 << std::endl;
279 break;
280 case 'D':
281 std::cout << " f64 " << a->value.f64 << std::endl;
282 break;
283 case 'J':
284 std::cout << " s64 " << a->value.s64 << std::endl;
285 break;
286 case 'C':
287 std::cout << " u16 " << a->value.u16 << std::endl;
288 break;
289 case 'S':
290 std::cout << " s16 " << a->value.s32 << std::endl;
291 break;
292 case 'Z':
293 std::cout << " z1 " << a->value.z1 << std::endl;
294 break;
295 case '&':
296 std::cout << " buffer {"
297 << " void *address = 0x" << std::hex << (long) a->value.buffer.memorySegment << std::dec
298 << ", long bytesSize= 0x" << std::hex << (long) a->value.buffer.sizeInBytes << std::dec
299 << ", char access= 0x" << std::hex << (unsigned char) a->value.buffer.access << std::dec
300 << "}" << std::endl;
301 break;
302 default:
303 std::cout << (char) variant << std::endl;
304 break;
305 }
306 }
307
308 void *afterArgsPtrPtr() const {
309 KernelArg *a = arg(argc());
310 return (void *) a;
311 }
312
313 int *schemaLenPtr() const {
314 int *schemaLenP = (int *) ((char *) afterArgsPtrPtr() /*+ sizeof(void *) */);
315 return schemaLenP;
316 }
317
318 int schemaLen() const {
319 return *schemaLenPtr();
320 }
321
322 char *schema() const {
323 int *schemaLenP = ((int *) ((char *) afterArgsPtrPtr() /*+ sizeof(void *)*/) + 1);
324 return (char *) schemaLenP;
325 }
326
327 explicit ArgSled(ArgArray_s *argArray)
328 : argArray(argArray) {
329 }
330 };
331
332
333 class Timer {
334 struct timeval startTV, endTV;
335
336 public:
337 unsigned long elapsed_us{};
338
339 Timer(): startTV(), endTV() {
340 }
341
342 void start() {
343 gettimeofday(&startTV, nullptr);
344 }
345
346 unsigned long end() {
347 gettimeofday(&endTV, nullptr);
348 elapsed_us = (endTV.tv_sec - startTV.tv_sec) * 1000000; // sec to us
349 elapsed_us += (endTV.tv_usec - startTV.tv_usec);
350 return elapsed_us;
351 }
352 };
353
354
355 //extern void hexdump(void *ptr, int buflen);
356
357 class Sled {
358 public:
359 static void show(std::ostream &out, void *argArray);
360 };
361
362
363 class KernelContext {
364 public:
365 int x;
366 int maxX;
367 };
368
369
370 class Backend {
371 public:
372 class Config final : public BasicConfig {
373 public:
374 explicit Config(int mode);
375
376 ~Config() override;
377 };
378
379 class Buffer {
380 public:
381 Backend *backend;
382 BufferState *bufferState;
383
384 Buffer(Backend *backend, BufferState *bufferState)
385 : backend(backend), bufferState(bufferState) {
386 }
387
388 virtual ~Buffer() = default;
389 };
390
391 class CompilationUnit {
392 public:
393 class Kernel {
394 public:
395 char *name;
396
397 CompilationUnit *compilationUnit;
398
399 virtual bool setArg(KernelArg *arg, Buffer *openCLBuffer) = 0;
400
401 virtual bool setArg(KernelArg *arg) = 0;
402
403 virtual long ndrange(void *argArray) final;
404
405 Kernel(CompilationUnit *compilationUnit, char *name)
406 : name(strutil::clone(name)), compilationUnit(compilationUnit) {
407 }
408
409 virtual ~Kernel() {
410 delete[] name;
411 }
412 };
413
414 public:
415 Backend *backend;
416 char *src;
417 char *log;
418 bool ok;
419
420 virtual Kernel *getKernel(int nameLen, char *name) = 0;
421
422 virtual bool compilationUnitOK() final {
423 return ok;
424 }
425
426 CompilationUnit(Backend *backend, char *src, char *log, bool ok)
427 : backend(backend), src(src), log(log), ok(ok) {
428 }
429
430 virtual ~CompilationUnit() {
431 delete[] src;
432 delete[] log;
433 };
434 };
435
436 class Queue {
437 public:
438 Backend *backend;
439
440 explicit Queue(Backend *backend);
441
442 virtual void wait() = 0;
443
444 virtual void release() = 0;
445
446 virtual void computeStart() = 0;
447
448 virtual void computeEnd() = 0;
449
450 virtual void copyToDevice(Buffer *buffer) =0;
451
452 virtual void copyFromDevice(Buffer *buffer) =0;
453
454 virtual void dispatch(KernelContext *kernelContext, CompilationUnit::Kernel *kernel) = 0;
455
456 virtual ~Queue();
457 };
458
459 class ProfilableQueue : public Queue {
460 public:
461 static constexpr int START_BIT_IDX = 20;
462 static constexpr int CopyToDeviceBits = 1 << START_BIT_IDX;
463 static constexpr int CopyFromDeviceBits = 1 << 21;
464 static constexpr int NDRangeBits = 1 << 22;
465 static constexpr int StartComputeBits = 1 << 23;
466 static constexpr int EndComputeBits = 1 << 24;
467 static constexpr int EnterKernelDispatchBits = 1 << 25;
468 static constexpr int LeaveKernelDispatchBits = 1 << 26;
469 static constexpr int HasConstCharPtrArgBits = 1 << 27;
470 static constexpr int hasIntArgBits = 1 << 28;
471 static constexpr int END_BIT_IDX = 27;
472
473 size_t eventMax;
474 size_t eventc;
475 int *eventInfoBits;
476 const char **eventInfoConstCharPtrArgs;
477
478 virtual void showEvents(int width) = 0;
479
480 virtual void inc(int bits) = 0;
481
482 virtual void inc(int bits, const char *arg) = 0;
483
484 virtual void marker(int bits) = 0;
485
486 virtual void marker(int bits, const char *arg) = 0;
487
488
489 virtual void markAsStartComputeAndInc() = 0;
490
491 virtual void markAsEndComputeAndInc() = 0;
492
493 virtual void markAsEnterKernelDispatchAndInc() = 0;
494
495 virtual void markAsLeaveKernelDispatchAndInc() = 0;
496
497 ProfilableQueue(Backend *backend, int eventMax)
498 : Queue(backend),
499 eventMax(eventMax),
500 eventInfoBits(new int[eventMax]),
501 eventInfoConstCharPtrArgs(new const char *[eventMax]),
502 eventc(0) {
503 }
504
505 ~ProfilableQueue() override {
506 delete[]eventInfoBits;
507 delete[]eventInfoConstCharPtrArgs;
508 }
509 };
510
511 Config *config;
512 Queue *queue;
513
514 Backend(Config *config, Queue *queue)
515 : config(config), queue(queue) {
516 }
517
518 virtual Buffer *getOrCreateBuffer(BufferState *bufferState) = 0;
519
520 virtual void info() = 0;
521
522 virtual void computeStart() = 0;
523
524 virtual void computeEnd() = 0;
525
526 virtual CompilationUnit *compile(int len, char *source) = 0;
527
528 virtual bool getBufferFromDeviceIfDirty(void *memorySegment, long memorySegmentLength) = 0;
529
530 virtual ~Backend() = default;
531 };
532
533
534
535 template<typename T>
536 T *bufferOf(const char *name) {
537 size_t lenIncludingBufferState = sizeof(T);
538 size_t lenExcludingBufferState = lenIncludingBufferState - sizeof(BufferState);
539 T *buffer = reinterpret_cast<T *>(new unsigned char[lenIncludingBufferState]);
540 auto *bufferState = reinterpret_cast<BufferState *>(reinterpret_cast<char *>(buffer) + lenExcludingBufferState);
541 bufferState->magic1 = bufferState->magic2 = BufferState::MAGIC;
542 bufferState->ptr = buffer;
543 bufferState->length = sizeof(T) - sizeof(BufferState);
544 bufferState->state = BufferState::NEW_STATE;
545 bufferState->vendorPtr = nullptr;
546 bufferState->dump(name);
547 return buffer;
548 }