From dd4ccfa317196e7c2c75c551b847d2fb079e5eea Mon Sep 17 00:00:00 2001
From: Sergey Dryabzhinsky <sergey.dryabzhinsky+github@gmail.com>
Date: Fri, 24 Oct 2025 20:37:16 +0300
Subject: [PATCH 1/4] Add mention of new env var for tests

---
 README.rst | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/README.rst b/README.rst
index 38fb66b6d..57f03be1c 100644
--- a/README.rst
+++ b/README.rst
@@ -357,8 +357,7 @@ When using a PEP 517 builder you can use ``ZSTD_WARNINGS`` environment variable
 
    >>> $ ZSTD_WARNINGS=1 python -m build -w
 
-If you want to treat all warnings as errors just add ``--
-all-warnings-errors`` option
+If you want to treat all warnings as errors just add ``--all-warnings-errors`` option
 
    >>> $ python setup.py build_ext --all-warnings-errors clean
 
@@ -366,6 +365,10 @@ When using a PEP 517 builder you can use ``ZSTD_WERRORS`` environment variable i
 
    >>> $ ZSTD_WERRORS=1 python -m build -w
 
+When using a PEP 517 builder you can use ``ZSTD_FULLTIME_TESTS`` environment variable, to run tests with fulltime length:
+
+   >>> $ ZSTD_FULLTIME_TESTS=1 python setup.py test
+
 Install from pypi
 -----------------
 

From 7066d72e563db4726b137cfc9fe24aae469b3e75 Mon Sep 17 00:00:00 2001
From: Sergey Dryabzhinsky <sergey.dryabzhinsky+github@gmail.com>
Date: Fri, 24 Oct 2025 20:53:26 +0300
Subject: [PATCH 2/4] silence gcc warnings, reduce tests time

---
 src/util.h          |  6 ++---
 tests/test_speed.py | 64 +++++++++++++++++++++++++++++++++++++--------
 2 files changed, 56 insertions(+), 14 deletions(-)

diff --git a/src/util.h b/src/util.h
index d00a9f6c5..5cfed6ef6 100644
--- a/src/util.h
+++ b/src/util.h
@@ -66,9 +66,9 @@ extern "C" {
     typedef struct stat stat_t;
 #endif
 
-static int numLogicalCores = 1;
-static time_t lastTimeCached = 0;
-static int util_cpuCoresCacheTTL = 60;
+__attribute__((unused)) static int numLogicalCores = 1;
+__attribute__((unused)) static time_t lastTimeCached = 0;
+__attribute__((unused)) static int util_cpuCoresCacheTTL = 60;
 int UTIL_countAvailableCores(void);
 int UTIL_setCpuCoresCacheTTL(int cacheTTL);
 int UTIL_stopCpuCoresCache(void);
diff --git a/tests/test_speed.py b/tests/test_speed.py
index 70319d753..c1ae8d97f 100644
--- a/tests/test_speed.py
+++ b/tests/test_speed.py
@@ -12,7 +12,9 @@ def test_00_system_info(self):
         log.info("Bundled libzstd uses threads? :%r" % zstd.ZSTD_with_threads())
 
     def test_compression_speed(self):
-        wait = 30
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 30
         log.info("\nWait %d seconds..." % wait)
         sum = 0
         l=len(tDATA)
@@ -28,8 +30,30 @@ def test_compression_speed(self):
         log.info("Compression speed average = %6.2f Mb/sec" % (1.0*sum/1024/1024/wait,))
         log.info("diff Compression memory usage = %6.2f kb" % (1.0*(endMemoryUsage-beginMemoryUsage)/1024,))
 
+    def test_compression_speed_no_cpu_cores_cache(self):
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 30
+        log.info("\nWait %d seconds..." % wait)
+        sum = 0
+        l=len(tDATA)
+        tbegin = time()
+        beginMemoryUsage=get_real_memory_usage()
+        log.info("begin Compression memory usage = %6.2f kb" % (1.0*beginMemoryUsage/1024,))
+        zstd.ZSTD_stopCpuCoresCache()
+        while time()-tbegin<wait:
+            cdata = zstd.compress(tDATA,3,0)
+            sum+=l
+
+        endMemoryUsage=get_real_memory_usage()
+        log.info("end Compression memory usage = %6.2f kb" % (1.0*endMemoryUsage/1024,))
+        log.info("Compression speed average = %6.2f Mb/sec" % (1.0*sum/1024/1024/wait,))
+        log.info("diff Compression memory usage = %6.2f kb" % (1.0*(endMemoryUsage-beginMemoryUsage)/1024,))
+
     def test_compression_one_thread_speed(self):
-        wait = 30
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 30
         log.info("\nWait %d seconds..." % wait)
         sum = 0
         l=len(tDATA)
@@ -46,7 +70,9 @@ def test_compression_one_thread_speed(self):
         log.info("diff Compression with one thread memory usage = %6.2f kb" % (1.0*(endMemoryUsage-beginMemoryUsage)/1024,))
 
     def test_decompression_block_speed(self):
-        wait = 30
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 30
         log.info("\nWait %d seconds..." % wait)
         sum = 0
         cdata = zstd.compress(tDATA)
@@ -59,7 +85,9 @@ def test_decompression_block_speed(self):
         log.info("Decompression of block data speed average = %6.2f Mb/sec" % (1.0*sum/1024/1024/wait,))
 
     def test_decompression_stream_speed(self):
-        wait = 30
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 30
         log.info("\nWait %d seconds..." % wait)
         sum = 0
 #        cdata = zstd.compress(tDATA)
@@ -82,7 +110,9 @@ def test_decompression_stream_speed(self):
 
 
     def test_check_speed(self):
-        wait = 30
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 30
         log.info("\nWait %d seconds..." % wait)
         sum = 0
         cdata = zstd.compress(tDATA)
@@ -100,7 +130,9 @@ def test_check_speed(self):
         log.info("diff Check memory usage = %6.2f kb" % (1.0*(endMemoryUsage-beginMemoryUsage)/1024,))
 
     def test_cpu_cores_cache_default_speed(self):
-        wait = 70
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 70
         log.info("\nWait %d seconds..." % wait)
         ops = 0
         tbegin = time()
@@ -116,7 +148,9 @@ def test_cpu_cores_cache_default_speed(self):
         log.info("diff Check memory usage = %6.2f kb" % (1.0*(endMemoryUsage-beginMemoryUsage)/1024,))
 
     def test_cpu_cores_cache_none_speed(self):
-        wait = 70
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 70
         log.info("\nWait %d seconds..." % wait)
         ops = 0
         tbegin = time()
@@ -133,7 +167,9 @@ def test_cpu_cores_cache_none_speed(self):
         log.info("diff Check memory usage = %6.2f kb" % (1.0*(endMemoryUsage-beginMemoryUsage)/1024,))
     
     def test_cpu_cores_cache_60_speed(self):
-        wait = 70
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 70
         log.info("\nWait %d seconds..." % wait)
         ops = 0
         tbegin = time()
@@ -149,7 +185,9 @@ def test_cpu_cores_cache_60_speed(self):
         log.info("diff Check memory usage = %6.2f kb" % (1.0*(endMemoryUsage-beginMemoryUsage)/1024,))
         
     def test_cpu_cores_cache_01_speed(self):
-        wait = 70
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 70
         log.info("\nWait %d seconds..." % wait)
         ops = 0
         tbegin = time()
@@ -166,7 +204,9 @@ def test_cpu_cores_cache_01_speed(self):
         log.info("diff Check memory usage = %6.2f kb" % (1.0*(endMemoryUsage-beginMemoryUsage)/1024,))
 
     def test_cpu_cores_cache_05_speed(self):
-        wait = 70
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 70
         log.info("\nWait %d seconds..." % wait)
         ops = 0
         tbegin = time()
@@ -183,7 +223,9 @@ def test_cpu_cores_cache_05_speed(self):
         log.info("diff Check memory usage = %6.2f kb" % (1.0*(endMemoryUsage-beginMemoryUsage)/1024,))
 
     def test_cpu_cores_cache_10_speed(self):
-        wait = 70
+        wait = 10
+        if "ZSTD_FULLTIME_TESTS" in os.environ:
+            wait = 70
         log.info("\nWait %d seconds..." % wait)
         ops = 0
         tbegin = time()

From 6822cb4bdb21aaba41c35c1217a83ce0ab63fbfa Mon Sep 17 00:00:00 2001
From: Sergey Dryabzhinsky <sergey.dryabzhinsky+github@gmail.com>
Date: Sun, 26 Oct 2025 15:01:07 +0300
Subject: [PATCH 3/4] Fix compilation with msvsc

---
 src/util.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/util.h b/src/util.h
index 5cfed6ef6..1aadf169c 100644
--- a/src/util.h
+++ b/src/util.h
@@ -66,9 +66,15 @@ extern "C" {
     typedef struct stat stat_t;
 #endif
 
+#if defined(_WIN32) || defined(WIN32)
+ static int numLogicalCores = 1;
+ static time_t lastTimeCached = 0;
+ static int util_cpuCoresCacheTTL = 60;
+#else
 __attribute__((unused)) static int numLogicalCores = 1;
 __attribute__((unused)) static time_t lastTimeCached = 0;
 __attribute__((unused)) static int util_cpuCoresCacheTTL = 60;
+#endif
 int UTIL_countAvailableCores(void);
 int UTIL_setCpuCoresCacheTTL(int cacheTTL);
 int UTIL_stopCpuCoresCache(void);

From 272fc904e285dabd8c169d009966699996806d95 Mon Sep 17 00:00:00 2001
From: Sergey Dryabzhinsky <sergey.dryabzhinsky+github@gmail.com>
Date: Sun, 26 Oct 2025 15:02:33 +0300
Subject: [PATCH 4/4] Fix: msvsc don't know /O3

---
 setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 3162c582d..b0c0bf0b3 100644
--- a/setup.py
+++ b/setup.py
@@ -352,7 +352,7 @@ def which(bin_exe):
     }
 if BUILD_SPEED3:
     COPT = {
-        'msvc': ['/O3', ],
+        'msvc': ['/Ox', ],
         'mingw32': ['-O3',],
         'unix': ['-O3',],
         'clang': ['-O3',],