forked from rust-lang/rust
-
Notifications
You must be signed in to change notification settings - Fork 7
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Fix loop materialization branching (rust-lang#522)
* Better print message * Fix cache whole allocation * Fix loop rematerialization * Fix flakey alloc order * Reverse erasure
- Loading branch information
Showing
7 changed files
with
219 additions
and
62 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| // RUN: %clang -std=c11 -O0 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme -S | %lli - | ||
| // RUN: %clang -std=c11 -O1 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme -S | %lli - | ||
| // RUN: %clang -std=c11 -O2 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme -S | %lli - | ||
| // RUN: %clang -std=c11 -O3 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme -S | %lli - | ||
| // RUN: %clang -std=c11 -O0 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme --enzyme-inline=1 -S | %lli - | ||
| // RUN: %clang -std=c11 -O1 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme --enzyme-inline=1 -S | %lli - | ||
| // RUN: %clang -std=c11 -O2 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme --enzyme-inline=1 -S | %lli - | ||
| // RUN: %clang -std=c11 -O3 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme --enzyme-inline=1 -S | %lli - | ||
|
|
||
| // test.c | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
|
|
||
| #include "test_utils.h" | ||
|
|
||
| extern void __enzyme_autodiff(void*, ...); | ||
| void square(double** p_delv, double** p_e, int ** idx, int numReg, int numElemReg) { | ||
| double* delv = *p_delv; | ||
| double* e = *p_e; | ||
| for (int r = 0; r < numReg; r++) { | ||
| double* tmp = (double*)malloc(numElemReg * sizeof(double)); | ||
| for (int i=0; i<numElemReg; i++) { | ||
| int off = idx[r][i]; | ||
| tmp[i] = delv[off]; | ||
| } | ||
| for (int i=0; i<numElemReg; i++) { | ||
| int off = idx[r][i]; | ||
| e[off] = tmp[i] * tmp[i]; | ||
| } | ||
| free(tmp); | ||
| } | ||
| } | ||
| int main() { | ||
| int numReg = 100; | ||
| double *delv = (double*)malloc(sizeof(double)*numReg); | ||
| double *e = (double*)malloc(sizeof(double)*numReg); | ||
| double *d_delv = (double*)malloc(sizeof(double)*numReg); | ||
| double *d_e = (double*)malloc(sizeof(double)*numReg); | ||
| int* idxs[numReg]; | ||
| int numRegElem = 200; | ||
| for (int i=0; i<numReg; i++) { | ||
| int* data = (int*)malloc(sizeof(int)*numRegElem); | ||
| for (int j=0; j<numRegElem; j++) { | ||
| data[j] = j % numReg; | ||
| } | ||
| idxs[i] = data; | ||
| delv[i] = i; | ||
| d_delv[i] = 0; | ||
| e[i] = 0; | ||
| d_e[i] = 1; | ||
| } | ||
|
|
||
| square(&delv, &e, idxs, numReg, numRegElem); | ||
| for (int i=0; i<numReg; i++) { | ||
| printf("e=%f delv=%f\n", e[i], delv[i]); | ||
| } | ||
|
|
||
| __enzyme_autodiff((void*)square, &delv, &d_delv, &e, &d_e, idxs, numReg, numRegElem); | ||
| for (int i=0; i<numReg; i++) { | ||
| printf("d_e=%f d_delv=%f\n", d_e[i], d_delv[i]); | ||
| APPROX_EQ(d_e[i], 0.0, 1e-10); | ||
| APPROX_EQ(d_delv[i], 2.0 * i, 1e-10); | ||
| } | ||
| } | ||
|
|
Oops, something went wrong.