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Merge pull request #2737 from DennisHeimbigner/cachesizes2.dmh
Fix major bug in the NCZarr cache management
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| #!/bin/sh | ||
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| if test "x$srcdir" = x ; then srcdir=`pwd`; fi | ||
| . ../test_common.sh | ||
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| . "$top_srcdir/nczarr_test/test_nczarr.sh" | ||
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| set -e | ||
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| s3isolate "testdir_cachtest" | ||
| THISDIR=`pwd` | ||
| cd $ISOPATH | ||
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| # This shell script tests support for the NC_STRING type | ||
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| testcase() { | ||
| zext=$1 | ||
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| echo "*** Test: cache operation" | ||
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| # Get pure zarr args | ||
| fileargs tmp_scalar_zarr "mode=zarr,$zext" | ||
| zarrurl="$fileurl" | ||
| zarrfile="$file" | ||
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| # setup | ||
| deletemap $zext $zarrfile | ||
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| echo "*** write cache" | ||
| ${execdir}/test_writecaching | ||
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| echo "*** read cache" | ||
| ${execdir}/test_readcaching | ||
| } | ||
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| testcase file | ||
| if test "x$FEATURE_NCZARR_ZIP" = xyes ; then testcase zip; fi | ||
| if test "x$FEATURE_S3TESTS" = xyes ; then testcase s3; fi | ||
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| if test "x$FEATURE_S3TESTS" = xyes ; then s3sdkdelete "/${S3ISOPATH}" ; fi # Cleanup |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| #include <stdlib.h> | ||
| #include <stdio.h> | ||
| #include <unistd.h> | ||
| #include <sys/resource.h> | ||
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| #if defined(__APPLE__) && defined(__MACH__) | ||
| #include <mach/mach.h> | ||
| #endif | ||
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| #include "netcdf.h" | ||
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| #define filename "file://tmp_cachetest.zarr#mode=zarr,file" | ||
| #define chunkSize (size_t)(1<<17) /* 128k */ | ||
| #define numCells (size_t)(50 * chunkSize) | ||
| #define numSteps (size_t)360 | ||
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| static float var[numCells]; | ||
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| size_t getPeakRSS(void) | ||
| { | ||
| struct rusage rusage; | ||
| getrusage( RUSAGE_SELF, &rusage ); | ||
| #if defined(__APPLE__) && defined(__MACH__) | ||
| return (size_t)rusage.ru_maxrss; | ||
| #else | ||
| return (size_t)(rusage.ru_maxrss * 1024L); | ||
| #endif | ||
| } | ||
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| static void | ||
| nce(int istat) | ||
| { | ||
| if (istat != NC_NOERR) | ||
| { | ||
| fprintf(stderr, "%s\n", nc_strerror(istat)); | ||
| exit(-1); | ||
| } | ||
| } | ||
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| int | ||
| main(void) | ||
| { | ||
| printf("read: chunkSize=%zu, numCells=%zu, numSteps=%zu, filename=%s\n", chunkSize, numCells, numSteps, filename); | ||
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| int ncId; | ||
| nce(nc_open(filename, NC_NOWRITE, &ncId)); | ||
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| int varId; | ||
| nce(nc_inq_varid(ncId, "var", &varId)); | ||
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| size_t size, nelems; | ||
| float preemption; | ||
| nce(nc_get_var_chunk_cache(ncId, varId, &size, &nelems, &preemption)); | ||
| printf("default chunk cache: size=%zu, nelems=%zu, preemption=%g\n", size, nelems, preemption); | ||
| size = 4 * numCells; // one float field at one time step | ||
| nelems = 1000; | ||
| preemption = 0.5; | ||
| nce(nc_set_var_chunk_cache(ncId, varId, size, nelems, preemption)); | ||
| printf("set chunk cache: size=%zu, nelems=%zu, preemption=%g\n", size, nelems, preemption); | ||
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| { | ||
| for (size_t i = 0; i < numCells; ++i) var[i] = 0.0f; | ||
| for (size_t i = 0; i < numSteps; ++i) | ||
| { | ||
| size_t start[2], count[2]; | ||
| start[0] = i; start[1] = 0; | ||
| count[0] = 1; count[1] = numCells; | ||
| nce(nc_get_vara_float(ncId, varId, start, count, var)); | ||
| } | ||
| } | ||
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| nce(nc_close(ncId)); | ||
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| { | ||
| size_t mbused = getPeakRSS() / (1024 * 1024); | ||
| printf("Max mem: %zu MB\n", mbused); | ||
| if(mbused > 100) { | ||
| fprintf(stderr,"*** Failed: used: %luMB expected: < 100MB\n",mbused); | ||
| return (1); | ||
| } | ||
| } | ||
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| return 0; | ||
| } |
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