Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 189,783
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     201,058
Calibration 2     191,479
Calibration 3     189,996
ssj_ops@calibrated=190,738
100% 99.5% 190,738 189,783
90% 90.4% 171,664 172,411
80% 79.5% 152,590 151,668
70% 69.4% 133,516 132,333
60% 59.6% 114,443 113,665
50% 49.7% 95,369 94,842
40% 40.1% 76,295 76,474
30% 29.7% 57,221 56,683
20% 19.7% 38,148 37,505
10% 9.9% 19,074 18,899
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,624,546 1,494
Payment 14,624,539
Order Status 1,462,455
Delivery 1,462,454
Stock Level 1,462,453
Customer Report 14,624,547
Calibration 2 New Order 13,926,409 1,494
Payment 13,926,414
Order Status 1,392,641
Delivery 1,392,641
Stock Level 1,392,641
Customer Report 13,926,411
Calibration 3 New Order 13,818,381 1,494
Payment 13,818,378
Order Status 1,381,837
Delivery 1,381,838
Stock Level 1,381,838
Customer Report 13,818,382
100% 99.5% New Order 13,805,514 1,494
Payment 13,805,514
Order Status 1,380,553
Delivery 1,380,553
Stock Level 1,380,551
Customer Report 13,805,521
90% 90.4% New Order 12,539,866 1,494
Payment 12,539,868
Order Status 1,253,987
Delivery 1,253,988
Stock Level 1,253,987
Customer Report 12,539,866
80% 79.5% New Order 11,030,637 1,494
Payment 11,030,641
Order Status 1,103,065
Delivery 1,103,064
Stock Level 1,103,064
Customer Report 11,030,638
70% 69.4% New Order 9,624,454 1,494
Payment 9,624,450
Order Status 962,445
Delivery 962,447
Stock Level 962,444
Customer Report 9,624,454
60% 59.6% New Order 8,266,671 1,494
Payment 8,266,675
Order Status 826,666
Delivery 826,667
Stock Level 826,667
Customer Report 8,266,674
50% 49.7% New Order 6,897,607 1,494
Payment 6,897,606
Order Status 689,759
Delivery 689,760
Stock Level 689,760
Customer Report 6,897,606
40% 40.1% New Order 5,561,813 1,494
Payment 5,561,811
Order Status 556,180
Delivery 556,182
Stock Level 556,182
Customer Report 5,561,811
30% 29.7% New Order 4,122,465 1,494
Payment 4,122,465
Order Status 412,246
Delivery 412,246
Stock Level 412,246
Customer Report 4,122,464
20% 19.7% New Order 2,727,752 1,494
Payment 2,727,754
Order Status 272,774
Delivery 272,775
Stock Level 272,776
Customer Report 2,727,751
10% 9.9% New Order 1,374,462 1,494
Payment 1,374,460
Order Status 137,447
Delivery 137,446
Stock Level 137,446
Customer Report 1,374,460
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0